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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 3496. Отображено 100.
05-01-2012 дата публикации

Image reading apparatus, image forming apparatus, and size detecting method

Номер: US20120002246A1
Автор: Hiroyuki Shiraishi, Katsuya Nagamochi, Koji Shimokawa, Mitsuru Hatano, Naoya Koseki, Sueo Ueno, Yusuke Hashizume
Принадлежит: Toshiba Corp, Toshiba TEC Corp

According to an embodiment, an image reading apparatus includes: a light emitting body configured to emit light at illuminance lower than illuminance in reading an original document; a sensor configured to detect opening and closing of a cover; an image pickup element configured to pick up an image of the original document, on which the light from the light emitting body is irradiated, if the cover is open; and a control and determining section configured to turn on the light emitting body if the cover is opened and specify a pixel having a value exceeding a threshold from the picked-up image to determine the size of the original document.

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Номер записи: 1
09-02-2012 дата публикации

Resolution enhancement

Номер: US20120032919A1
Автор: Adrian Travis, Timothy Large
Принадлежит: Microsoft Corp

A method of enhancing input imaging resolution includes sequentially blocking light from different portions of an object with a series of resolution-enhancing patterns displayed between the object and an image detector. The method further includes detecting light filtered by the series of resolution-enhancing patterns and integrating light detected while different resolution-enhancing patterns of the series of resolution-enhancing patterns are displayed between the object and the detector.

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Номер записи: 2
22-03-2012 дата публикации

Image reading apparatus

Номер: US20120069409A1
Автор: Tsuyoshi Yamauchi
Принадлежит: Canon Inc

An image reading apparatus for reading a document placed on a document positioning plate using a reading sensor unit mounted on a carriage includes a rack member provided in an apparatus body and having rack teeth provided along the moving direction of the carriage, a pinion gear rotatably disposed on the carriage and meshed with the rack teeth, a motor mounted on the carriage and driving the pinion gear, an urging member disposed between the carriage and the reading sensor unit and urging the reading sensor unit toward the document positioning plate, a guide rail provided in the apparatus body and guiding movement of the carriage, and a guide portion provided on the carriage and engaged with the guide rail, wherein the guide portion is pressed toward the guide rail by receiving a reaction force of the urging member at the carriage.

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Номер записи: 3
12-04-2012 дата публикации

Image Reading Apparatus

Номер: US20120086988A1
Автор: Koji Hara, Naomi Kimura, Tetsuya Miyagawa
Принадлежит: Seiko Epson Corp

An image reading apparatus which reads an image on a target includes a first housing, a transparent member which is provided on the first housing and has a placement face on which the target is placed, a positioning member on which the transparent member is placed, a second housing which is assembled on the first housing and biases the positioning member, and an engagement member which is provided on the second housing and engages with the positioning member. In the image reading apparatus, when the second housing is assembled on the first housing, the engagement member biases the positioning member so as to fix the transparent member to an attachment position.

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Номер записи: 4
10-05-2012 дата публикации

Image reading apparatus

Номер: US20120113484A1
Автор: Ken Kobayashi, Mitsuo Shimizu, Yuichi Mikuni
Принадлежит: Fuji Xerox Co Ltd

An image reading apparatus includes an image reading member disposed in one of two regions that face each other with a transport path of a document therebetween, the image reading member being used for reading an image on the document, the image reading member including a light-receiving portion, a light-collecting member that collects reflected light reflected from the document onto the light-receiving portion, and a protruding portion that protrudes toward the transport path; and an opposing member disposed in the other of the two regions, the opposing member having a recess formed therein, the recess allowing the protruding portion of the image reading member to enter thereinto, the opposing member being disposed opposite the image reading member with the transport path therebetween.

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Номер записи: 5
30-08-2012 дата публикации

Image data combining apparatus and method

Номер: US20120219237A1
Автор: Hisashi Ishikawa, Yoshinari Ikegami
Принадлежит: Canon Inc

An image data combining apparatus combines m lines of image data that have been output from a reading unit. The reading unit outputs m lines of image data based upon the pixel data that has been output upon being divided into the plurality of lines, and stored then in a memory. An upper address for accessing the memory is decided based upon first data indicating position, along the sub-scan direction, of an image that has been read by the reading unit, and a lower address for accessing the memory is decided based upon second data indicating position of the image along the main-scan direction. For the lower address utilizes values in which the sequence of a plurality of bits constituting the first data is interchanged, so that p items of pixel data at a time are extracted successively from each of the m lines of image data.

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Номер записи: 6
13-12-2012 дата публикации

Led print-head driver with integrated process direction compensation

Номер: US20120314014A1
Автор: Scott L. Tewinkle
Принадлежит: Xerox Corp

A light emitting diode (LED) print head arranged to receive a set of raw print data. The print head includes a plurality of LED array chips each having a plurality of LEDs, wherein each LED of the plurality of LEDs includes a process direction position. The print head further includes at least one matrix drive circuit arranged to control activation of the plurality of LEDs in response to the set of raw print data and at least one real-time print data compensation circuit, wherein the at least one real-time print data compensation circuit receives the set of raw print data and delays transmitting the set of raw print data to the at least one matrix drive circuit based on a relative relationship between the process direction position of each LED.

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Номер записи: 7
13-12-2012 дата публикации

Pressing plate

Номер: US20120314263A1
Автор: Kengo KAWATA
Принадлежит: PFU Ltd

A pressing plate is used for an overhead scanner. The overhead scanner includes an imaging unit that images a medium to be read that is placed on a placement surface located under the imaging unit in the vertical direction and a light source that irradiates the medium to be read with light. The pressing plate includes a pressing plate main body for pressing the medium to be read from an upper side in the vertical direction and a plurality of anti-glare units arranged inside the pressing plate main body. The pressing plate main body is light transmissive. The anti-glare units block light reflected toward a side opposite to an incident light side from the light source, with respect to a vertical axis, among light reflected from the medium.

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Номер записи: 8
27-12-2012 дата публикации

Image reading device and image forming apparatus having the same

Номер: US20120327485A1
Автор: Dong Hun Han
Принадлежит: Dong Hun Han

An image reading device and an image forming apparatus having the same that can increase a scan quality by mounting positions of units to read information recorded on a document and a mounting structure of a light shielding member. The image reading device may include a first reading unit to read image information recorded on a first surface of a document, a second reading unit disposed at a predetermined distance from the first reading unit along a document feeding direction to read image information recorded on a second surface of the document, and at least one light shielding member mounted between the first reading unit and the second reading unit along the document feeding direction. The light shielding member, which may include a document guide portion, may extend in a direction different from the document feeding direction such that one end portion is located in a document feeding path.

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Номер записи: 9
31-01-2013 дата публикации

Photoelectric transducer, image reading device, and image reading method

Номер: US20130026348A1
Автор: Masahiro Hiranuma
Принадлежит: Ricoh Co Ltd

A photoelectric transducer being capable of image reading in any one of a color reading mode and a monochrome reading mode includes a color reading sensor, a monochrome reading sensor, and an unnecessary-charge draining unit. The unnecessary-charge draining unit ( 32 ) drains unnecessary charges accumulated in the monochrome reading sensor or the color reading sensor therefrom at switching from the color reading mode to the monochrome reading mode or from the monochrome reading mode to the color reading mode.

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Номер записи: 10
28-03-2013 дата публикации

Time-delay-and-integrate image sensors having variable integration times

Номер: US20130076955A1
Автор: John Thomas Compton
Принадлежит: Truesense Imaging Inc

In various embodiments, a time-delay-and-integrate (TDI) image sensor includes (i) a plurality of integrating CCDs (ICCDs), arranged in parallel, that accumulate photocharge in response to exposure to light, (ii) electrically coupled to the plurality of ICCDs, a readout CCD (RCCD) for receiving photocharge from the plurality of ICCDs, and (iii) electrically coupled to the RCCD, readout circuitry for converting charge received from the RCCD into voltage.

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Номер записи: 11
30-05-2013 дата публикации

Device for reproducing images that can be found on originals

Номер: US20130135690A1
Автор: Burkhard Soehler
Принадлежит: Individual

The invention relates to a device for reproducing images that can be found on originals, comprising at least one image capturing element that lies in a housing ( 1 ) and comprising a translucent panel ( 4 ) which lies between the image capturing element and the original and which is retained on the housing ( 1 ), said original being transportable on the panel for reproduction on the image capturing element. The essentially rectangular panel is retained on the housing at only two of the opposing edges ( 3, 5 ) of said panel. The first support for one of the edges ( 3 ) consists of at least one spring clip ( 2, 2′, 2″, 2′″ ), and the spring clip preloads the panel against the second support ( 6 ) for the opposing edge ( 5 ) of the panel. The panel ( 4 ) is associated with a handle ( 7, 7′ ), by means of which the panel can be manually moved out of the second support against the preload of the spring clip.

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Номер записи: 12
30-05-2013 дата публикации

Image scanning apparatus, image processing apparatus, and non-transitory computer-readable recording medium

Номер: US20130135691A1
Автор: Kazumasa Ozaki
Принадлежит: Brother Industries Ltd

A controller converts the original image data into converted image data representing a first converted image, analyzes the original image data and counts a number of first characters recognized in the original image represented by the original image data, and analyzes the converted image data and count a number of second characters recognized in the converted image represented by the first converted image data. The controller compares the number of first characters with the number of second characters and determine which one of the number of first characters and the number of second characters is greater than the other. The controller outputs the original image data when the controller determines that the number of first characters is greater than the number of second characters, and outputs the converted image data when the controller determines that the number of second characters is greater than the number of first characters.

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Номер записи: 13
26-09-2013 дата публикации

Two-dimensional calibration of image sensor alignment in optical scanners

Номер: US20130250371A1
Автор: Gerard Verhaegh
Принадлежит: Contex AS

Disclosed is a method of processing image signals from a first and a second image sensor, both of a document scanner unit, where the first image sensor provides a first image, and the second image sensor provides a second image. The first and the second image are two-dimensional images wherein said first and second image are recorded at respective areas of a scanned medium, where a portion of the respective areas is recorded also by the other of the respective image sensors. Thereby image data from overlapping and non-overlapping areas are present in the first and the second image. The method comprises: correlating the first image with the second image, creating a correlation image and processing the correlation image to determine a displacement between the first and the second image. Consequently, a versatile calibration method is provided that can determine a displacement between the first and the second image in two dimensions.

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Номер записи: 14
24-10-2013 дата публикации

Scanning device, apparatus and method for image processing

Номер: US20130278977A1
Автор: Satoshi Kubo, Yasuhiko Kitagawa, Yusuke Nakashima
Принадлежит: PFU Ltd

A scanning device includes a first scanning unit, a second scanning unit, and a light source corresponding to each of the first scanning unit and the second scanning unit. The light sources are arranged on the same side of the first and second scanning units with respect to the main scanning direction.

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Номер записи: 15
31-10-2013 дата публикации

SIGNAL INTENSITY MATCHING OF IMAGE SENSORS

Номер: US20130286451A1
Автор: Verhaegh Gerard
Принадлежит: Contex A/S

Disclosed is a method of processing signals from a large-format scanner comprising a first and a second image sensor that provide respective image signals recorded at respective areas of a scanned medium, where a portion of the respective areas is recorded also by the other of the respective image sensors, whereby image data from overlapping and non-overlapping areas are present in the respective signals; the method comprising: determining a first and a second level of intensity from image signals from the first and the second image sensor at the overlapping area, respectively; determining a compensation value by processing the first level of intensity and the second level of intensity to determine a discrepancy between the level of intensities; applying compensation values to image data from overlapping and non-overlapping areas to provide compensated image data to compensate for a discrepancy between levels of intensity from the first and the second image sensor. 2. A method according to claim 1 , where signals from a third image sensor are further processed claim 1 , the third image sensor providing an image signal recorded at an area of a scanned medium claim 1 , where a portion of the area is recorded also by the second image sensor claim 1 , whereby image data from at least two overlapping and one non-overlapping area are present in the signals from the second image sensor; the method comprising:determining a third and a fourth level of intensity from image signals from the second and the third image sensor at the overlapping area between the second and the third image sensor;determining compensation values for image signals from non-overlapping areas from the second image sensor by processing the first, second, third, and fourth levels of intensity to determine a discrepancy between the first and second levels of intensity and further between the third and fourth levels of intensity;applying compensation values to image data from non-overlapping areas of the ...

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Номер записи: 16
02-01-2014 дата публикации

Scanning of oversized documents

Номер: US20140002834A1
Автор: Gary Alan Kneezel, Richard A. Murray
Принадлежит: Individual

A method of scanning an oversized document includes positioning the oversized document at a first position on a first surface of a platen which is supported by a frame; wherein a distance between a lid and the first surface of the platen is less than a distance between the lid and the frame; scanning the oversized document in its first position to provide a first scan; moving the oversized document to a second position on the first surface of the platen, wherein the second position overlaps the first position; scanning the oversized document in its second position to provide a second scan; using a controller of the multifunction printer to select a stitching edge of the first scan and the second scan; and stitching together the first scan and the second scan at the stitching edge to form a composite scanned image of the oversized document.

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Номер записи: 17
09-01-2014 дата публикации

Image Reader

Номер: US20140009801A1
Автор: Hiromi Tanaka, Yoshinori Osakabe
Принадлежит: Brother Industries Ltd

An image reader is provided, which includes a housing, a document table, a reading unit disposed between the housing and the document table and configured to read an image of a document sheet on the document table, and a carriage configured to hold the reading unit and move along a moving direction, the carriage including a protruding portion formed to protrude toward the reading unit, on a bottom surface of the carriage that faces a lower surface of the reading unit.

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Номер записи: 18
09-01-2014 дата публикации

Sheet Conveyer and Image Reader

Номер: US20140009803A1
Автор: Katsuro MIURA, Tsuyoshi Suganuma
Принадлежит: Brother Industries Ltd

A sheet conveyer includes: a conveyance unit configured to convey a sheet along a conveyance path comprising an inversion path, which is configured to convey the sheet from a lower side to an upper side and is defined by an inner circumference side and an outer circumference side; and a guide provided in a downstream side in a conveyance direction of the inversion path, the guide provided between the inner circumference side and the outer circumference side so that the guide is to be displaced toward the outer circumference side by contacting with a front end of the sheet that is conveyed from an upstream side in the conveyance direction.

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Номер записи: 19
06-03-2014 дата публикации

ELECTRONIC DEVICE WITH AN ARRAY OF DAISY CHAINED IMAGE SENSORS AND ASSOCIATED METHODS

Номер: US20140063559A1
Автор: BAXTER PATRICK, RAYNOR JEFFREY
Принадлежит:

An electronic device includes an array of daisy chained image sensors, with each image sensor including a pixel array. A host is coupled to an image sensor at an end of the array and is configured to insert identification codes. The identification codes include embedded data values to thereby indicate specific parts of the image data, and a set of identification codes comprising a first identification code to identify a start of a data stream and a second identification code to identify an end of the data stream. 152-. (canceled)53. A document scanner comprising:a plurality of image sensors arranged in side-by-side relation and configured to sense an image of a document positioned adjacent thereto, each of said plurality of image sensors comprising a pixel array;said plurality of image sensors coupled together in a daisy chained arrangement and configured to operate so that a downstream image sensor appends image data to an upstream image sensor.54. The document scanner of claim 53 , wherein each image sensor further comprises a clock input port and clock output port coupled to a corresponding pixel array.55. The electronic device of claim 54 , wherein each image sensor is configured to perform a phase adjustment to an input clock signal so that the image data and an output clock are synchronous.56. The document scanner of claim 53 , further comprising a host coupled to an image sensor at an end of the daisy chain arrangement and configured to insert identification codes comprising embedded data values to thereby indicate specific parts of the image data.57. The document scanner of claim 56 , wherein the identification codes comprise at least one of:a first identification code to identify a start of the data stream and a second identification code to identify an end of the data stream; andat least one further set of identification codes to identify a start and an end of the data streams associated with each image sensor.58. The document scanner of claim 57 , wherein ...

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Номер записи: 20
06-03-2014 дата публикации

Image reading apparatus and multifunctional device

Номер: US20140063563A1
Автор: Yoshiaki TATSUI
Принадлежит: Seiko Epson Corp

An image reading apparatus includes an image reading section and a management section. The image reading section has a transport portion configured and arranged to transport a document by driving a motor, a reading portion configured and arranged to read each line of the document which is transported up to a predetermined position by the transport portion, and a holding portion configured and arranged to temporarily hold image data of the document read by the reading portion. The management section is configured and arranged to acquire and store the image data held in the holding portion and to manage the stored image data. The management section is configured and arranged to sequentially acquire and store the data held in the holding portion until driving is finished in a case where the motor starts the driving.

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Номер записи: 21
06-03-2014 дата публикации

Image Reading Device

Номер: US20140063572A1
Автор: Yasuo Yamasaki
Принадлежит: Brother Industries Ltd

An image reading device comprising: a document placing portion; a conveyor; a reading unit configured to read an image of the document, wherein the reading unit includes: an image sensor; a support which supports the image sensor, wherein in the case of reading the image of the document conveyed by the conveyor, the support is to be stopped at a predetermined reading position; a guide; and a driving unit, wherein the reading unit further includes: a release unit configured to release the contact with the guide by separating the support from the guide when the support is moved toward the predetermined reading position; and a contact portion configured to contact with the support separated from the guide by the release unit when the support is moved toward the predetermined reading position.

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Номер записи: 22
03-04-2014 дата публикации

Scanner module and image scanning apparatus employing the same

Номер: US20140092444A1
Автор: Dong Hun Lee, Gyung Mo TAHK, Hyun Surk Kim, Kyung Rok Kim
Принадлежит: SAMSUNG ELECTRONICS CO LTD

A scanner module and an image scanning apparatus employ an illuminator that includes at least one light emitting diode, a light guide to change the direction of the light from the light emitting diode, and a light source holder to which the light emitting diode is mounted, the light source holder being positioned in relation to the light guide such that the light source holder covers an incidence face of the light guide, on which the light from the light source is incident, the surface of light source holder facing the incidence face reflecting light incident thereupon. The reflection of light by the light source holder reduces the possibility of leakage of light, and can enhance luminous intensity of light of the illuminator.

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Номер записи: 23
01-01-2015 дата публикации

Image reading device, image forming apparatus, and image processing method

Номер: US20150002911A1
Автор: Shinya Matsui
Принадлежит: Kyocera Document Solutions Inc

An image reading device includes an image reading section, a first white reference member, and a control section. The image reading section reads an original document. The first white reference member is be read by the image reading section and indicates a first white reference. The control section determines whether or not a perforation image is present in the original document image indicative of the original document on a basis of an image density of a first reference image indicative of the first white reference member and an image density of the original document image.

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Номер записи: 24
05-01-2017 дата публикации

Multi-function apparatus

Номер: US20170006175A1
Автор: Yasuo Nishikawa
Принадлежит: Brother Industries Ltd

A multi-function apparatus includes a body, an image reading unit, a document cover and a locking member. The image reading unit is movable between a closed position and an opened position. The document cover is movable between a closed position and an opened position. The locking member is movable to a first position and a second position and includes a first engagement portion and a second engagement portion. In response to a movement of the document cover to the opened position, the locking member moves to the first position and locks the image reading unit to the closed position. In response to a movement of the image reading unit to the opened position, the locking member moves to the second position and locks the document cover to the closed position.

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Номер записи: 25
04-01-2018 дата публикации

IMAGE READING APPARATUS

Номер: US20180007223A1
Автор: Furukawa Masato, Hamada Kaoru, Oka Yushi, Shibaki Seiji
Принадлежит:

An image reading apparatus, including: a first distance detector configured to measure a first distance of the original conveyed after a sensor is changed from a first state detecting the original to a second state not detecting the original; a second distance detector configured to measure a second distance of the original conveyed after the second state is changed to the first state; and a controller configured to control a conveyor so that the conveyor starts a conveyance of a succeeding original when the second distance reaches a conveyance permission distance before the first distance reaches a hole detection distance and the conveyor stops the succeeding original when the second state is changed to the first state before the first distance reaches the hole detection distance, and thereafter starts the conveyance of the succeeding original when the first distance reaches the hole detection distance. 1. An image reading apparatus , comprising:an image sensor configured to read an image on an original;an original tray on which the original is to be placed;a conveyor configured to convey the original placed on the original tray to a reading position in which the image sensor reads the original;an original sensor provided between the original tray and the reading position and configured to assume a first state when the original sensor detects the original that is being conveyed by the conveyor and assume a second state when the original sensor does not detect the original;a first distance detector configured to measure a first conveyance distance of the original by which the original has been conveyed from a time when the original sensor is changed from the first state to the second state;a second distance detector configured to measure a second conveyance distance of the original by which the original has been conveyed from a time when the original sensor is changed from the second state to the first state before the original sensor is changed from the first state ...

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Номер записи: 26
02-01-2020 дата публикации

LENS MIRROR ARRAY AND IMAGE FORMING APPARATUS

Номер: US20200007707A1
Автор: Shiraishi Takashi
Принадлежит:

In accordance with an embodiment, a lens mirror array includes a plurality of optical elements integrally connected in a first direction. Each optical element includes an incident side lens surface through which light enters the optical element, a ridge located at an edge of the incident side lens surface, a reflection surface on which light incident on the incident side lens surface is reflected, an exit side lens surface through which light reflected by the reflection surface exits the optical element, and a groove surrounding the reflection surface except for a portion adjacent to the ridge, the portion adjacent to the ridge connecting to an adjacent optical element in the plurality of optical elements. 1. A lens mirror array , comprising:a plurality of optical elements arranged adjacent to each other in a longitudinal direction of the lens mirror array, wherein an incident side lens surface through which light enters the optical element,', 'a reflection surface connected to the incident side lens surface and from which light incident on the incident side lens surface is reflected, and', 'an exit side lens surface and through which light reflected by the reflection surface exits the optical element, and, 'each optical element is formed by a plurality of outer surfaces includingthe reflection surfaces of each pair of adjacent optical elements form a groove therebetween.2. The lens mirror array according to claim 1 , further comprising:a light shielding material on an inner surface of the groove.3. The lens mirror array according to claim 1 , whereinthe outer surfaces further include a downstream reflection surface configured to reflect light reflected by the reflection surface.4. The lens mirror array according to claim 3 , whereinthe light reflected by the reflection surface at an edge of the incident side lens surface is led to a bifurcation module adjacent to the exit side lens surface.5. The lens mirror array according to claim 3 , whereinthe outer surfaces ...

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Номер записи: 27
08-01-2015 дата публикации

Multi-function apparatus

Номер: US20150009512A1
Автор: Yasuo Nishikawa
Принадлежит: Brother Industries Ltd

A multi-function apparatus includes a body, an image reading unit, a document cover and a locking member. The image reading unit is movable between a closed position and an opened position. The document cover is movable between a closed position and an opened position. The locking member is movable to a first position and a second position and includes a first engagement portion and a second engagement portion. In response to a movement of the document cover to the opened position, the locking member moves to the first position and locks the image reading unit to the closed position. In response to a movement of the image reading unit to the opened position, the locking member moves to the second position and locks the document cover to the closed position.

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Номер записи: 28
11-01-2018 дата публикации

IMAGE READING DEVICE AND IMAGE FORMING APPARATUS

Номер: US20180013907A1
Автор: NAKAIE Katsuhiko
Принадлежит: FUJI XEROX CO., LTD.

An image reading device includes a light applying unit that applies light from a light source to a recording medium, a detecting unit that detects the light reflected by the recording medium, a holding member that is movable in a first scanning direction of the light applying unit and holds a calibration member to which the light from the light applying unit is applied, a shaft member that extends in the first scanning direction through the holding member and guides the movement of the holding member in the first scanning direction, and a restricting member that extends in the first scanning direction and restricts rotation of the holding member about the shaft member. 1. An image reading device comprising:a light applying unit that applies light from a light source to a recording medium;a detecting unit that detects the light reflected by the recording medium;a holding member that is movable in a first scanning direction of the light applying unit and holds a calibration member to which the light from the light applying unit is applied;a shaft member that extends in the first scanning direction through the holding member and guides the movement of the holding member in the first scanning direction; anda restricting member that extends in the first scanning direction and restricts rotation of the holding member about the shaft member.2. The image reading device according to claim 1 , further comprising:a positioning unit that extends in the first scanning direction and is at a predetermined distance from the light source of the light applying unit, a holding plate portion that is elastically deformable with one end being a free end and holds the calibration member; and', 'a contact portion that is in contact with the positioning unit under a restoring force exerted by the holding plate portion., 'wherein the holding member includes'}3. The image reading device according to claim 2 , wherein the positioning unit is provided on a case that forms the light applying ...

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Номер записи: 29
19-01-2017 дата публикации

IMAGE READING DEVICE, IMAGE READING METHOD, IMAGE FORMING APPARATUS, AND COMPUTER-READABLE RECORDING MEDIUM

Номер: US20170019547A1
Автор: OZAKI Tatsuya
Принадлежит:

An image reading device includes a controller that performs control, when a document size is to be determined, so as to reduce a light amount irradiated by a light source more than that in a case of image reading; a period extending unit that extends, when the document size is to be determined, a period in which an image sensor performs photoelectric conversion in a main scanning direction longer than that in a case of image reading; an averaging unit that averages, when the document size is to be determined, results obtained when a plurality of predetermined pixels perform the photoelectric conversion; and a determining unit that determines the document size according to a result averaged by the averaging unit in a period extended by the period extending unit. 1. An image reading device configured to determine a document size and perform image reading according to a result obtained when an image sensor performs photoelectric conversion for each pixel on a reflected light of light with which a light source irradiates the document , comprising:a controller configured to perform control, when the document size is to be determined, so as to reduce a light amount irradiated by the light source more than that in a case of image reading;a period extending unit configured to extend, when the document size is to be determined, a period in which the image sensor performs photoelectric conversion in a main scanning direction longer than that in a case of image reading;an averaging unit configured to average, when the document size is to be determined, results obtained when a plurality of predetermined pixels perform photoelectric conversion on the reflected light; anda determining unit configured to determine the document size according to a result averaged by the averaging unit in a period extended by the period extending unit.2. The image reading device according to claim 1 , whereinthe period extending unit is configured to extend a period for performing photoelectric ...

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Номер записи: 30
19-01-2017 дата публикации

IMAGE READING APPARATUS

Номер: US20170019555A1
Автор: HA Hyundeok, KIM Dalyong, KIM Jinmyung, PARK Sangchun, YOON Jongsung
Принадлежит: FUJI XEROX CO., LTD.

An image reading apparatus includes an image reading part that reads an image formed on a recording medium, an accommodating unit that accommodates the image reading part and supports the image reading part in such a manner that the image reading part is capable of being displaced toward a side on which the recording medium is to be disposed, and an urging member that urges, in the accommodating unit, the image reading part toward the side on which the recording medium is to be disposed. The accommodating unit includes an urging-member-mounting portion in which the urging member is mounted, and at least one window is formed in the urging-member-mounting portion on a side opposite to a side on which the image reading part is disposed. 1. An image reading apparatus comprising:an image reading part that reads an image formed on a recording medium;an accommodating unit that accommodates the image reading part and supports the image reading part in such a manner that the image reading part is capable of being displaced toward a side on which the recording medium is to be disposed; andan urging member that urges, in the accommodating unit, the image reading part toward the side on which the recording medium is to be disposed,wherein the accommodating unit includes an urging-member-mounting portion in which the urging member is mounted, andwherein at least one window is formed in the urging-member-mounting portion on a side opposite to a side on which the image reading part is disposed,wherein the urging member abuts a wall which longitudinally extends in a direction substantially perpendicular to a direction in which the urging member urges the image reading part,wherein the window is formed in the wall.2. The image reading apparatus according to claim 1 ,wherein the urging member-mounting portion includes a projecting portion projecting toward the side on which the image reading part is disposed.3. The image reading apparatus according to claim 2 ,wherein the projecting ...

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Номер записи: 31
18-01-2018 дата публикации

RECORDING OF DISTANCE PROFILES

Номер: US20180020115A1
Автор: Hipp Johann
Принадлежит:

An apparatus for recording distance profiles respectively having a plurality of distance image points comprises: (i) a plurality of transmitters arranged in an array respectively for the transmission of electromagnetic radiation into a recording region; (ii) at least one reception unit for the detection of radiation reflected from the recording region; (iii) an evaluation unit for determining distances of objects at which transmitted radiation is reflected, with the distances each forming a distance image point; and (iv) a deflection unit which deflects the transmitted radiation within a scanning angle region into a scanning direction in order to consecutively generate, per distance profile, a plurality of scanning patterns of distance image points that are displaced against one another in the scanning direction and that each image the transmitter array, wherein at least a few of the distance image points are spaced apart from one another in the scanning direction. 120.-. (canceled)21. An apparatus for recording distance profiles each having a plurality of distance image points , the apparatus comprising:a plurality of transmitters arranged in an array respectively for the transmission of electromagnetic radiation into a recording region;at least one reception unit for the detection of radiation reflected from the recording region;an evaluation unit for determining the distances of objects at which the transmitted radiation is reflected, with the distances each forming a distance image point; anda deflection unit which deflects the transmitted radiation within a scanning angle region into a scanning direction in order to, per distance profile, consecutively generate a plurality of scanning patterns of distance image points, with the distance image points being displaced against one another in the scanning direction and with the distance image points each imaging the transmitter array;wherein at least a few of the distance image points are spaced apart from one ...

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Номер записи: 32
18-01-2018 дата публикации

IMAGE READING APPARATUS AND SHADING CORRECTING METHOD FOR IMAGE READING APPARATUS

Номер: US20180020117A1
Автор: Kawasaki Shigeru, Watanabe Yoshiaki, Yamauchi Tsuyoshi
Принадлежит:

First reference data acquired by reading a first white reference member placed in a read area of a document platen by a line sensor having a plurality of light receiving elements is stored in a storage unit. Second reference data acquired by reading a second white reference member by a capturing unit is compared with the first reference data stored in the storage unit. Output values from the plurality of light receiving elements are subjected to shading correction based on the comparison result. 1. An image reading apparatus comprising:a line sensor configured to read an image of a document placed in a read area;a storage unit configured to previously store therein first reference data that is acquired by reading a first white reference member by the line sensor;a comparison unit configured to compare second reference data that is acquired by reading a second white reference member by the line sensor with the first reference data stored in the storage unit; anda correction unit configured to perform shading correction of outputs of the line sensor based on a comparison result of the comparison unit.2. The image reading apparatus according to claim 1 , wherein the second white reference member is disposed in the read area and is shorter than the read area in a predetermined direction.3. The image reading apparatus according to claim 1 , wherein the correction unit estimates image data in an area positioned outside of the second white reference member based on image data acquired by reading the second white reference member by the line sensor so as to subject light receiving elements of the line sensor to shading correction based on the estimated and read image data.4. The image reading apparatus according to claim 1 , wherein the second white reference member is dimensioned to cover the entire read area claim 1 , andthe correction unit performs shading correction based on image data acquired by reading the second white reference member by the line sensor.5. The image ...

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Номер записи: 33
22-01-2015 дата публикации

Image reader and image forming apparatus

Номер: US20150022843A1
Автор: Hisashi Yamanaka, Kenji Nakanishi, Masahiro Imoto, Mitsuharu Yoshimoto, Shohichi Fukutome, Yasuhiro Suto
Принадлежит: Sharp Corp

An image reader is provided, in its housing, with a first scanning unit made up of an LED array of a plurality of LED elements that are arranged in a row in the horizontal scanning direction and that emit light to a document. An air intake port and an air exhaust port are disposed on the housing of the image reader. An imaginary line of an air flow path coupling the air intake port and the air exhaust port to one another is configured to pass adjacent a center of the LED array of the first scanning unit in the horizontal scanning direction with the first scanning unit stopped at a reading position of the document transferred by a document transfer device.

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Номер записи: 34
16-01-2020 дата публикации

IMAGE FORMING APPARATUS AND IMAGE CORRECTION METHOD

Номер: US20200021707A1
Автор: Ando Shunsuke, ISHII Jun, KOJIMA Takahiro, Ueda Motoshi
Принадлежит:

An image forming apparatus comprises a first temperature detector to detect a temperature of a first portion of an optical scanning device in a printer. The first portion is proximate to a heat generating element in the optical scanning device. A second temperature detector is provided to detect a temperature of a second portion of the optical scanning device, which is farther from the heat generating element than the first portion. A controller is configured to perform alignment control for correcting a color positional shift of the printer when either a detected temperature change of the first portion is greater than or equal to a first threshold value or a detected temperature change of the second portion is greater than or equal to a second threshold value. 1. An image forming apparatus , comprising:a first temperature detector configured to detect a temperature of a first portion of an optical scanning device of a printer unit, the first portion being proximate to a heat generating element;a second temperature detector configured to detect a temperature of a second portion of the optical scanning device, the second portion being farther from the heat generating element than the first portion; anda controller configured to perform alignment control for correcting a color positional shift of the printer unit when either a detected temperature change of the first portion is greater than or equal to a first threshold value or a detected temperature change of the second portion is greater than or equal to a second threshold value.2. The image forming apparatus according to claim 1 , further comprising:a timer, whereinthe controller is further configured to perform the alignment control when a length of time since the alignment control was last performed, as measured by the timer, is greater than or equal to a third threshold value.3. The image forming apparatus according to claim 1 , wherein the controller is further configured to store the detected temperature from ...

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Номер записи: 35
26-01-2017 дата публикации

SCANNING LENS, SCANNING DEVICE, AND IMAGE FORMING APPARATUS INCLUDING SAME

Номер: US20170026537A1
Автор: NAGANO Takuya
Принадлежит:

An scanning lens to scan a document image includes a lens and a retainer to retain the lens bonded and fixed to the retainer by an adhesive. Conditional formula (1), or both conditional formula (2) and conditional formula (3) below are satisfied: 2. The scanning lens according to claim 1 , {'br': None, '0≦D<1.0\u2003\u2003(4)'}, 'wherein conditional formula (4) below is satisfiedwhere,D is a distance between the retainer and the lens in the bonding portion at the at least one bonding location.3. The scanning lens according to claim 1 , {'br': None, 'i': D', 'D', 'D', 'D, '0≦(max−min)/max<0.5\u2003\u2003(5),'}, 'wherein conditional formula (5) below is satisfiedwhere,Dmax is a maximum distance between the retainer and the lens in the bonding portion at the at least one bonding location, andDmin is a minimum distance between the retainer and the lens in the bonding portion at the at least one bonding location.4. The scanning lens according to claim 1 , further comprising:a front-group lens disposed on an object side, including one or more positive lenses and three to five negative lenses; anda rear-group lens disposed on an image side and including a plastic negative lens.5. The scanning lens according to claim 4 , wherein the lens bonded to the retainer is the rear-group lens.6. The scanning lens according to claim 4 , wherein at least one of the front-group lens and the rear-group lens includes a lens having at least one aspherical surface.7. The scanning lens according to claim 4 , wherein the rear-group lens has an outer shape of rotational asymmetry with respect to an optical axis.8. The scanning lens according to claim 7 , wherein the rear-group lens has an outer shape of an elongated strip along the main scanning direction.9. A scanning device comprising:an illumination system to illuminate a document;{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the scanning lens according to to form a reduced image of light reflected from the document illuminated by the ...

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Номер записи: 36
28-01-2016 дата публикации

IMAGE READING APPARATUS AND IMAGE READING METHOD

Номер: US20160028922A1
Автор: Morikawa Daisuke
Принадлежит:

An image reading apparatus capable of accurately detecting abnormal pixels caused by a contaminant such as dirt, stain, or flaw on a moving document reading glass being read. An image processing unit of the image reading apparatus performs a first abnormal pixel detection process to detect pixel signals representing abnormal pixels and output from image sensors for respective colors when a reading unit reads a guide plate in a main scanning direction in a state before an original passes through a moving document reading position, performs a second abnormal pixel detection process to detect pixel signals representing abnormal pixels and output from the image sensors when an original being conveyed is read by the reading unit in the main scanning direction, and detects a main scanning direction of abnormal pixels based on results of these detection processes. 18.-. (canceled)9. An image reading apparatus comprising:an original conveyance unit configured to convey an original to a reading position;a reading unit configured to read the conveyed original at the reading position through a limpidity member, and output the read data;a reference member disposed so as to face the limpidity member;a first abnormal pixel detection unit configured to detect a first position of an first abnormal pixel in a main scanning direction based on a first data acquired by said reading unit reading the reference member through the limpidity member, the main scanning direction being perpendicular to a direction in which the original is conveyed;a second abnormal pixel detection unit configured to detect a second position of a second abnormal pixel in the main scanning direction based on a second data acquired by said reading unit reading a predetermined area of the original through the limpidity member, an absolute value of a difference between the second data of the second abnormal pixel, and the first data corresponding to the second position of the second abnormal pixel in the main ...

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Номер записи: 37
04-02-2016 дата публикации

IMAGE READING APPARATUS

Номер: US20160037013A1
Автор: Osakabe Yoshinori, Tanaka Hiromi
Принадлежит:

An image reading apparatus includes: a contact glass provided at an upper surface of a main body of the apparatus to set a manuscript thereon, an image sensor being positioned below the contact glass and having a reading surface on contact glass side for reading an image from the manuscript on the contact glass, a carriage supporting the image sensor accommodated in a sensor container formed to have a recess open to the contact glass side, a rail member slidably supporting the carriage, and a biasing member biasing the image sensor to the contact glass side via a biased portion adjacent to the reading surface of the image sensor. An upper end of the biasing member is positioned below the contact glass and above the lower surface of the image sensor. 1. An image reading apparatus configured to read an image of a manuscript , the apparatus comprising:a contact glass which is provided at an upper surface of a main body of the apparatus to set the manuscript thereon;an image sensor which is positioned below the contact glass and configured to read the image of the manuscript on the contact glass, the image sensor having an upper surface and a lower surface opposite to the upper surface;a carriage on which the image sensor is mounted;a rail member which extends in a first direction and slidably supports the carriage such that the carriage moves in the first direction;a first spring disposed at a first position spaced apart from the image sensor in the first direction; anda second spring disposed at a second position spaced apart from the image sensor in the first direction and from the first position in a second direction perpendicular to the first direction,wherein the first spring and the second spring are configured to bias the image sensor to the contact glass side, andthe first position of the first spring and the second position of the second spring, which are spaced apart from the image sensor in the first direction, are below the upper surface of the image sensor ...

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Номер записи: 38
01-02-2018 дата публикации

READING MODULE, AND IMAGE READING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

Номер: US20180035001A1
Автор: MURASE Takaaki
Принадлежит: KYOCERA Document Solutions Inc.

A reading module includes a light source, an optical system for forming an image of reflection light from a document illuminated by the light source, and a sensor including a plurality of sensor chips to convert the image light formed by the optical system into an electric signal. The optical system includes a mirror array including a plurality of reflecting mirrors connected in the main scanning direction, first aperture stops each of which adjusts light amount of the image light reflected from each of the reflecting mirrors, second aperture stops each extending from the opening edge of the first aperture stop toward the mirror array, first light shielding walls each of which extends from a boundary between the sensor chips toward the first aperture stops, and second light shielding walls extending from both sides in the main scanning direction of the first aperture stop toward the sensor chips. 1. A reading module comprising:a light source for illuminating a document;an optical system for forming an image of reflection light from the document illuminated by the light source, as image light; anda sensor including a plurality of sensor chips adjacently arranged in a main scanning direction for converting the image light formed by the optical system into an electric signal, wherein a mirror array including a plurality of reflecting mirrors connected in an array in the main scanning direction, each of the reflecting mirrors having an aspheric reflecting surface,', 'first aperture stops each being disposed between each of the reflecting mirrors and each of the sensor chips, so as to adjust light amount of the image light reflected from each of the reflecting mirrors,', 'second aperture stops each extending in a tapered shape from an opening edge of each of the first aperture stops toward the mirror array,', 'first light shielding walls each being formed to extend from a boundary between the sensor chips toward the first aperture stops, so as to shield stray light ...

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Номер записи: 39
01-02-2018 дата публикации

READING MODULE, AND IMAGE READING DEVICE/IMAGE FORMING APPARATUS INCLUDING THE READING MODULE

Номер: US20180035002A1
Автор: MURASE Takaaki
Принадлежит: KYOCERA Document Solutions Inc.

A reading module includes: a light source for applying light to a document; an optical system for forming an image as image light from reflected light of the light applied from the light source to the document; and a sensor in which a plurality of sensor chips for converting the image light formed by the optical system to electric signals are disposed in adjacency to one another in a main scanning direction. The optical system includes: a mirror array in which a plurality of reflecting mirrors whose reflecting surfaces are aspheric surfaces are coupled in array in the main scanning direction; and apertures provided between the reflecting mirrors and the sensor chips, respectively, to regulate light quantity of the image light reflected by the individual reflecting mirrors. The specular-surface number of the reflecting mirrors is set to an integral multiple of the number of the sensor chips. 1. A reading module comprising:a light source for applying light to a document;an optical system for forming an image as image light from reflected light of the light applied from the light source to the document; anda sensor in which a plurality of sensor chips for converting the image light formed by the optical system to electric signals are disposed in adjacency to one another in a main scanning direction, wherein a mirror array in which a plurality of reflecting mirrors whose reflecting surfaces are aspheric surfaces are coupled to one another in array in the main scanning direction; and', 'apertures provided between the reflecting mirrors and the sensor chips, respectively, to regulate light quantity of the image light reflected by the individual reflecting mirrors, and wherein', 'a specular-surface number of the reflecting mirrors is set to an integral multiple of a number of the sensor chips., 'the optical system includes2. The reading module according to claim 1 , further comprisingshading walls for blocking stray light from going incident on the sensor chips, the ...

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Номер записи: 40
09-02-2017 дата публикации

ORIGINAL READING APPARATUS, METHOD FOR CONTROLLING THE SAME, AND STORAGE MEDIUM

Номер: US20170041471A1
Автор: Tachibana Yoshiro
Принадлежит:

An original reading apparatus conveys an original placed on an original stacking unit, reads the conveyed original, makes a setting about whether to validate a function of interrupting conveyance of originals upon detection of double feed of the originals during conveyance of the originals in accordance with detection of originals stacked on the original stacking unit, detects an original placed on the original stacking unit, and validates the function based on the made setting in accordance with detection of the original by the original detection unit. 1. An original reading apparatus comprising:a conveying unit configured to convey an original placed on an original stacking unit;a reading unit configured to read the original conveyed by the conveying unit;a setting unit configured to make a setting about whether to validate a function of interrupting conveyance of originals upon detection of double feed of the originals during conveyance of the originals by the conveying unit in accordance with detection of originals stacked on the original stacking unit;an original detection unit configured to detect an original placed on the original stacking unit; anda control unit configured to validate the function based on the setting made by the setting unit in accordance with detection of the original by the original detection unit.2. The apparatus according to claim 1 , further comprising a notification unit configured to notify that the function is valid in accordance with detection of the original by the original detection unit.3. The apparatus according to claim 1 , wherein the control unit validates the function in accordance with detection of the original by the original detection unit claim 1 , in a case where a setting is made to validate the function in accordance with detection of an original stacked on the original stacking unit.4. The apparatus according to claim 1 , wherein the control unit does not validate the function even if the original detection unit ...

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Номер записи: 41
09-02-2017 дата публикации

IMAGE READING APPARATUS, CONTROL METHOD FOR IMAGE READING APPARATUS, AND STORAGE MEDIUM

Номер: US20170041492A1
Автор: Mori Junichi
Принадлежит:

There is provided a control method for an image reading apparatus including a document conveyance unit configured to convey a document, a first reading unit configured to read a first surface of the document conveyed by the document conveyance unit, and a second reading unit configured to read a second surface of the document conveyed by the document conveyance unit, includes setting a two-sided reading mode for reading the first surface and the second surface of the document, and starting initial adjustment operation of the second reading unit in response to setting of the two-sided reading mode. 1. An image reading apparatus comprising:a document conveyance unit configured to convey a document;a first reading unit configured to read a first surface of the document conveyed by the document conveyance unit;a second reading unit configured to read a second surface of the document conveyed by the document conveyance unit; anda setting unit configured to set a two-sided reading mode for reading the first surface and the second surface of the document,wherein initial adjustment operation of the second reading unit starts in response to setting of the two-sided reading mode by the setting unit.2. The image reading apparatus according to claim 1 , wherein the initial adjustment operation includes movement of the second reading unit.3. An image reading apparatus comprising:a document conveyance unit configured to convey a document;a first reading unit configured to read a first surface of the document conveyed by the document conveyance unit;a second reading unit configured to read a second surface of the document conveyed by the document conveyance unit;a setting unit configured to set a two-sided reading mode for reading the first surface and the second surface of the document;a moving substrate on which a reference white board to be used for initial adjustment operation of the second reading unit is disposed; anda movement unit configured to move the moving substrate, ...

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Номер записи: 42
07-02-2019 дата публикации

READING MODULE, AND IMAGE READING DEVICE AND IMAGE FORMING APPARATUS THEREWITH

Номер: US20190045073A1
Автор: MURASE Takaaki, OUCHI Kei
Принадлежит: KYOCERA Document Solutions Inc.

According to the present disclosure, a reading module includes a light source, an optical system, and a sensor. The optical system images, as image light, reflection light of light with which the light source has irradiated a document. The sensor converts the thus imaged image light into an electric signal. The optical system includes a mirror array in which a plurality of reflection mirrors are connected together, and a plurality of aperture stop portions. The reflection mirrors each reflect light at an angle that is different, as seen in a main scanning direction, from an angle at which an adjacent one of the reflection mirrors reflects light. The plurality of aperture stop portions are disposed on one side of the mirror array with respect to an orthogonal direction which is orthogonal to the main scanning direction. 1. A reading module comprising:a light source which irradiates a document with light;an optical system which images, as image light, reflection light of the light with which the light source has irradiated the document; anda sensor having a plurality of imaging regions which convert the image light imaged by the optical system into an electric signal,wherein a mirror array in which a plurality of reflection mirrors, each having a reflection surface formed as an aspherical concave surface, are connected together in an array in a main scanning direction, and', 'a plurality of aperture stop portions which are each provided between one of the reflection mirrors and one of the imaging regions of the sensor, and which adjust an amount of the image light reflected from the reflection mirrors,, 'the optical system includes'}the reflection mirrors are each provided so as to reflect light at an angle that is different, as seen in the main scanning direction, from an angle at which an adjacent one of the reflection mirrors reflects light,the plurality of aperture stop portions are disposed on one side of the mirror array with respect to an orthogonal direction ...

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Номер записи: 43
07-02-2019 дата публикации

READING MODULE AND IMAGE FORMING APPARATUS PROVIDED WITH THE SAME

Номер: US20190045074A1
Автор: MURASE Takaaki, OUCHI Kei
Принадлежит: KYOCERA Document Solutions Inc.

A reading module of the present disclosure is provided with a light source, an optical system, and a sensor. The optical system images, as reading light, reflected light of light radiated from the light source to an illumination object. The sensor converts the reading light imaged by the optical system into an electric signal. The optical system is provided with a mirror array in which a plurality of reflection mirrors are disposed in an array in a prescribed direction and a plurality of aperture stop portions that adjust an amount of the reading light. Each of the reflection mirrors is disposed at a prescribed distance from an adjacent one of the reflection mirrors in a prescribed direction. 1. A reading module , comprising:a light source that radiates light to an illumination object;an optical system that images, as reading light, reflected light of light radiated from said light source to the illumination object; anda sensor that includes a plurality of imaging regions for converting the reading light imaged by said optical system into an electric signal, which are arranged in a prescribed direction,wherein a mirror array in which a plurality of reflection mirrors each having an aspherical concave surface as a reflection surface are disposed in an array in the prescribed direction; and', 'a plurality of aperture stop portions each of which is provided between each of the plurality of reflection mirrors and a corresponding one of the plurality of imaging regions of the sensor and adjusts an amount of the reading light reflected on the each of the plurality of reflection mirrors, and, 'the optical system includeseach of the plurality of reflection mirrors is disposed at a prescribed distance from an adjacent one of the plurality of reflection mirrors in the prescribed direction.2. The reading module according to claim 1 , whereinin the prescribed direction, each of the plurality of reflection mirrors is disposed at a distance equal to or greater than a radius of an ...

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Номер записи: 44
07-02-2019 дата публикации

Reading module and image reading device including same, and image forming apparatus

Номер: US20190045075A1
Автор: Kei Ouchi, Takaaki Murase
Принадлежит: Kyocera Document Solutions Inc

Provided is a reading module including a light source, an optical system, and a sensor. The optical system images reflected light of light emitted from the light source to the document, as image light. The sensor converts the imaged image light into an electric signal. The optical system includes a mirror array in which a plurality of reflection mirrors are connected, and a plurality of aperture stops. Neighboring reflection mirrors reflect light at different angles viewed from the main scanning direction.

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Номер записи: 45
18-02-2021 дата публикации

SCANNER CAPABLE OF COMPENSATING FOR DISTORTION

Номер: US20210051241A1
Автор: KIM Kyoungrok
Принадлежит:

A scanner includes an image read unit including a linear image sensor having a length in a main scanning direction, a compensation value calculation unit to compare data read from a main scanning reference pattern including a plurality of main scanning sections arranged in the main scanning direction with data of the main scanning reference pattern that is previously stored, and to calculate a plurality of main scanning scale compensation values respectively corresponding to the plurality of main scanning sections, and an image processing unit to compensate for distortion in the main scanning direction by dividing an image read from the document into a plurality of main scanning image areas respectively corresponding to the plurality of main scanning sections and applying the plurality of main scanning scale compensation values respectively to the plurality of main scanning image areas. 1. A scanner comprising:an image read unit including an illumination unit to emit light onto a document, a linear image sensor having a length in a main scanning direction, and imaging optics to image light reflected from the document on the linear image sensor, wherein at least one of the illumination unit, the imaging optics, or the linear image sensor is movable in a sub-scanning direction; compare data read from a main scanning reference pattern including a plurality of main scanning sections arranged in the main scanning direction with data of the main scanning reference pattern that is previously stored, and', 'calculate a plurality of main scanning scale compensation values respectively corresponding to the plurality of main scanning sections; and, 'a compensation value calculation unit toan image processing unit to compensate for distortion in the main scanning direction by dividing an image read from the document into a plurality of main scanning image areas respectively corresponding to the plurality of main scanning sections and applying the plurality of main scanning ...

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Номер записи: 46
14-02-2019 дата публикации

LENS MIRROR ARRAY AND IMAGE FORMING APPARATUS

Номер: US20190052768A1
Автор: Shiraishi Takashi
Принадлежит:

In accordance with an embodiment, a lens mirror array includes a plurality of optical elements integrally connected in a first direction. Each optical element includes an incident side lens surface through which light enters the optical element, a ridge located at an edge of the incident side lens surface, a reflection surface on which light incident on the incident side lens surface is reflected, an exit side lens surface through which light reflected by the reflection surface exits the optical element, and a groove surrounding the reflection surface except for a portion adjacent to the ridge, the portion adjacent to the ridge connecting to an adjacent optical element in the plurality of optical elements. 1. A lens mirror array , comprising:a plurality of optical elements integrally connected in a first direction, wherein an incident side lens surface through which light enters the optical element,', 'a ridge located at an edge of the incident side lens surface,', 'a reflection surface on which light incident on the incident side lens surface is reflected,', 'an exit side lens surface through which light reflected by the reflection surface exits the optical element, and', 'a groove surrounding the reflection surface except for a portion adjacent to the ridge, the portion adjacent to the ridge connecting to an adjacent optical element in the plurality of optical elements., 'each optical element includes2. The lens mirror array according to claim 1 , further comprising:a light shielding material on an inner surface of the groove.3. The lens mirror array according to claim 1 , wherein each optical element further includes:a downstream reflection surface configured to reflect light reflected by the reflection surface.4. The lens mirror array according to claim 3 , wherein the light reflected by the reflection surface near the ridge is led to a bifurcation module adjacent to the exit side lens surface.5. The lens mirror array according to claim 3 , wherein each optical ...

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Номер записи: 47
15-05-2014 дата публикации

Feed and scan module and multifunctional printer using the same

Номер: US20140132971A1
Автор: Chao-Ming Chen, Chia-Wu Liao
Принадлежит: Cal Comp Electronics and Communications Co Ltd, Kinpo Electronics Inc

A feed and scan module and a multifunctional printer (MFP) using the same are provided. The MFP includes a body with a paper-feeding path therein and a feed and scan module, the feed and scan module is disposed in the body and adjacent to an entrance of the feeding path. The feed and scan module includes a feeding roller chain and an image processing component, the feeding roller chain includes a driving unit and a transparent hollow driving tube assembled with the driving unit. The image processing component is in bar-shape and disposed in the hollow driving tube, and the image processing component is fixed and faces the paper-feeding path. When the hollow driving tube rotates, the image processing component is not driven by the hollow driving tube.

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Номер записи: 48
21-02-2019 дата публикации

Document reading apparatus that reads document images of documents by image sensors

Номер: US20190058809A1
Автор: Satoshi Morimoto
Принадлежит: Kyocera Document Solutions Inc

Provided is an image forming apparatus capable of accurately returning a carriage to a home position without having to turn ON a light source in the process of returning the carriage to the home position. A first reading-position-detection plate is arranged inside of a reading width of a line sensor and outside of a document-image-reading width. A second color region has a length that gradually increases in the main scanning direction as going away from the home position of the carriage. A reading-position-detecting unit detects the length in the main scanning direction of the second color region on the basis of output from the line sensor. A movement-distance-converting unit converts this length to a movement distance to the home position. A movement-control unit causes the carriage to move toward the home position just the movement distance.

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Номер записи: 49
01-03-2018 дата публикации

SCANNER, AND IMAGE DATA GENERATING METHOD

Номер: US20180063358A1
Автор: NETSU Takahiro, SAKAI Toshifumi
Принадлежит:

Provided is a scanner having sixteen or fewer sensor chips capable of scanning an A4 document; an optical unit that reduces and focuses an image of an A4 document on the sensor chips; and a generator that synthesizes images of the A4 document read by the sensor chips, and generates image data. 1. A scanner comprising:multiple sensor chips;an optical unit that reduces and focuses an image of an A4 document on sixteen or fewer sensor chips; anda generator that synthesizes images of the A4 document read by the sensor chips, and generates image data.2. The scanner described in claim 1 , wherein:an A4 document is scanned using twelve or fewer sensor chips.3. The scanner described in claim 2 , wherein:an A4 document is scanned using eight or fewer sensor chips.4. A scanner comprising:multiple sensor chips;an optical unit that reduces and focuses an image of an A3 document on 24 or fewer sensor chips; anda generator that synthesizes images of the A3 document read by the sensor chips, and generates image data.5. The scanner described in claim 4 , wherein:an A3 document is scanned using eighteen or fewer sensor chips.6. The scanner described in claim 5 , wherein:an A3 document is scanned using twelve or fewer sensor chips.7. The scanner described in claim 1 , wherein:the length of the effective detection range per one sensor chip in the line direction of the sensor chip is 0.54 inch or greater.8. The scanner described in claim 1 , further comprising:a switching unit that can change between and set to the exposure position, to which light from a light source is emitted on the conveyance path of the document, a merging mark surface having a merging mark used as a reference for image synthesis, and a white calibration surface used as a white reference; 'correcting output of the sensor chip based on sensor chip output when the white calibration surface is at the exposure position.', 'the generator synthesizing images based on sensor chip output when the merging mark surface is ...

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Номер записи: 50
01-03-2018 дата публикации

SCANNER SYSTEM AND IMAGE DATA GENERATING METHOD

Номер: US20180063359A1
Автор: NETSU Takahiro, SAKAI Toshifumi
Принадлежит:

A scanner system including a generating unit configured to selectively execute either a first process of generating image data from a conveyed document conveyed by a conveyance device, synthesizing the scanned images, and generating image data, or a second process of generating image data from a placed document set on a scanning platen; the second process scanning by a method that, compared with the first process, is less affected by deviation of the document perpendicularly to the scanning platen. 1. A scanner system comprising:a conveyance device;a scanning platen; a first process of reducing while focusing on multiple line sensors light from a conveyed document conveyed by the conveyance device, synthesizing the scanned images, and generating image data, or', 'a second process of reducing while focusing on multiple line sensors light from a placed document set on the scanning platen, synthesizing the scanned images, and generating image data;, 'a generating unit configured to selectively execute either'}the second process scanning by a method that, compared with the first process, is less affected by deviation of the document perpendicularly to the scanning platen.2. The scanner system described in claim 1 , further comprising:a mark member having a merging mark surface with a merging mark used as a reference for image synthesis, and positioning the merging mark to an exposure position to which light from the light source is emitted on the conveyance path of the conveyed document;the second process generating the image data by synthesizing the images without using the merging mark; andthe first process generating the image data synthesizing the images based on output of line sensors when the merging mark surface is at the exposure position.3. The scanner system described in claim 1 , further comprising:a controller that generates the image data by a process that requires more time to generate the image data after scanning an image in the second process than after ...

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Номер записи: 51
02-03-2017 дата публикации

IMAGE READING DEVICE AND IMAGE FORMING APPARATUS THEREWITH

Номер: US20170064127A1
Автор: TAGAWA Hirotoshi
Принадлежит: KYOCERA Document Solutions Inc.

An image reading device includes a contact glass, a document transport device, a first reading module, a second reading module, a opposite roller, and roller holders. The opposite roller transports a document while keeping it in close contact with an image reading surface of the second reading module arranged inside the document transport device. The roller holders rotatably support the opposite roller, and on their faces facing the second reading module, a pair of patterns for detection is provided to detect the inclination of the opposite roller. The patterns for detection are each formed to be increasingly wide toward a first end side in the axial direction upstream from an intersection in a central part thereof in the document transport direction, and increasingly wide toward a second end side opposite from the first end side downward from the intersection in the document transport direction. 1. An image reading device comprising:a contact glass which is fixed to a top face of a scanner frame and which is divided into a manual placement document glass and an automatic read glass;a document transport device which is openable/closable with respect to the contact glass in an up-down direction and which transports a document over a top face of the automatic read glass;a first reading module which is arranged under the contact glass so as to be reciprocatable in a sub-scanning direction, the first reading module being capable of reading an image on an obverse side of a document placed on the manual placement document glass while moving in the sub-scanning direction and capable of reading an image on an obverse side of a document transported over the top face of the automatic read glass while remaining at rest at a reading position facing the automatic read glass;a second reading module which is arranged inside the document transport device, the second reading module being capable of reading an image on a reverse side of a document transported over the top face of the ...

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Номер записи: 52
02-03-2017 дата публикации

ORIGINAL READING APPARATUS

Номер: US20170064138A1
Автор: Morikawa Daisuke
Принадлежит:

An apparatus comprises: a determination unit that determines whether target pixel data of a reference member is a singularity pixel; a counter that counts the number of pixel data that is not determined as the singularity pixel, for each of main-scanning positions; a summation unit that cumulatively sums the target pixel data not determined as the singularity pixel, for each of the main-scanning positions; and a calculation unit that, for each of the main-scanning positions, causes the summation unit to cumulatively sum the target pixel data not determined as the singularity pixel if a count value corresponding to a main-scanning position of the target pixel data is smaller than a predetermined number, and calculates shading correction data using data that the predetermined number of pixel data not determined as the singularity pixel are cumulatively summed. 1. An original reading apparatus , comprising:a sensor configured to read an original;a shading correction unit configured to apply shading correction to pixel data output from the sensor using shading correction data corresponding to a main-scanning position of the pixel data;a determination unit configured to determine whether target pixel data of a reference member output from the sensor is a singularity pixel;a counter configured, for each of main-scanning positions, to count the number of pixel data that have not been determined as the singularity pixel;a summation unit configured, for each of the main-scanning positions, to cumulatively sum the target pixel data that have not been determined as the singularity pixel; anda calculation unit configured, for each of the main-scanning positions, to cause the summation unit to cumulatively sum the target pixel data that have not been determined as the singularity pixel if a count value corresponding to a main-scanning position of the target pixel data is smaller than a predetermined number, and to calculate the shading correction data using data that the ...

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Номер записи: 53
08-03-2018 дата публикации

Image Reading Apparatus Providing Shading Correction with Foreign Matter Detection

Номер: US20180069985A1
Автор: Ichiyanagi Toshimitsu, Misaka Naoyuki
Принадлежит:

In accordance with an embodiment, an image reading apparatus comprises a sensor configured to read an image in a main scanning direction; a first reference plate; a second reference plate; and a processor configured to determine a parameter for shifting shading correction data on the basis of first reference data obtained through reading on the first reference plate by the sensor and second reference data obtained through reading on the second reference plate by the sensor, set the shading correction data on the basis of data obtained through the reading on the first reference plate by the sensor, acquire image data at each reading position in the sub-scanning direction by the sensor and carry out shading correction on the image data on the basis of the shading correction data shifted according to a shift amount at the each reading position obtained from the parameter. 1. An image reading apparatus , comprising:a sensor configured to read an image in a main scanning direction;a first reference plate positioned in the main scanning direction;a second reference plate positioned in the main scanning direction at a position different from the first reference plate in a sub-scanning direction orthogonal to the main scanning direction; and determine a parameter for shifting shading correction data on the basis of first reference data obtained through reading on the first reference plate by the sensor and second reference data obtained through reading on the second reference plate by the sensor,', 'set the shading correction data on the basis of data obtained through the reading on the first reference plate by the sensor,', 'acquire image data at each reading position in the sub-scanning direction by the sensor, and', 'carry out shading correction on the image data on the basis of the shading correction data shifted according to a shift amount at the each reading position obtained from the parameter,, 'a processor configured to'}wherein the processor specifies a first ...

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Номер записи: 54
09-03-2017 дата публикации

IMAGE PROCESSING APPARATUS AND METHOD FOR GENERATING CORRECTION FORMULA

Номер: US20170070634A1
Автор: SHIRAISHI Hiroyuki
Принадлежит:

An image processing apparatus includes a support member to support a sheet, a light source that extends in a main-scanning direction and is configured to move in a sub-scanning direction and irradiate light on the sheet as the light source moves in the sub-scanning direction, a conversion unit configured to generate multiple line image data based on light reflected by the sheet and incident thereon, as the light source moves in the sub-scanning direction, and a processing unit configured to carry out a correction process with respect to each of the line image data using a different correction formula for each of the line image data. 1. An image processing apparatus comprising:a platen to support a sheet;a light source that extends in a main-scanning direction and is configured to move in a sub-scanning direction and irradiate light on the sheet as the light source moves in the sub-scanning direction;an image sensor configured to generate multiple line image data based on light reflected by the sheet and incident thereon, as the light source moves in the sub-scanning direction; anda processor configured to: i) generate a correction formula exclusively associated with a scanning position in the sub-scanning direction, based on first line image data generated from scanning of a plain sheet at a reference position, and second line image data generated from scanning of the plain sheet at a comparative position that is apart from the reference position by predetermined scanning positions in the sub-scanning direction; and ii) carry out a correction process with respect to line image data generated when the light source is at the scanning position, using the correction formula.2. The image processing apparatus according to claim 1 , whereinthe processor generates the correction formula based on a difference of brightness values between the first and second line image data.3. The image processing apparatus according to claim 2 , whereinthe correction formula, when applied ...

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Номер записи: 55
16-03-2017 дата публикации

SCAN AREA INDICATION

Номер: US20170078526A1
Автор: Hall Jeffrey D.
Принадлежит:

An apparatus may include a transparent platen, a command interface, a scanner unit, a controller and an indicator. The command interface is to receive externally originating instructions including a selected scaling value, other than %, for a scanning operation of a document resting against the transparent platen, wherein contents of the document to be scanned are proportionally magnified or shrunk based on the selected scaling value The controller controls a scanner unit to capture a portion of the transparent platen, the portion having borders automatically determined and proportionally changed by the controller based upon the selected scaling value. The indicator provides a visible indication of the portion. 1. An apparatus comprising:a transparent platen;a command interface configured to receive externally originating instructions including a selected scaling value, other than 100%, for a scanning operation of a document resting against the transparent platen, wherein contents of the document to be scanned are proportionally magnified or shrunk based on the selected scaling value and wherein the selected scaling value impacts an area of the transparent platen that will be captured during the scanning operation;a scanner unit comprising a carriage movable across the platen;a controller to control the scanner unit to capture a portion of the transparent platen, the portion having borders automatically determined and proportionally changed by the controller based upon the selected scaling value; andan indicator providing a visible indication of the portion,wherein movement of the carriage repositions the visible indication, wherein the visible indication of the scan area provided by the indicator on the carriage indicates a width of the portion.2. The apparatus of claim 1 , wherein the indicator and the carriage are stationary when providing the visible indication of the portion and wherein the scan area indicated by the indicator is less than a total area of the ...

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Номер записи: 56
12-06-2014 дата публикации

Scanning device

Номер: US20140160539A1
Автор: Chung-Hsin Wei, Hung-Huan Sung
Принадлежит: Cal Comp Electronics and Communications Co Ltd

A scanning device including a body, a transparent cover, a scanning module, a flat-cable and a pressing unit is provided. The body has a space, a first inner-side and a second inner-side. The transparent cover covers on the body to hide the space. The scanning module disposed in the space is capable of moving back and forth between the first and the second inner-sides. The flat-cable is disposed in the space and connected with the scanning module and the body. The pressing unit is pivotally connected on the scanning module with a side thereof, so that another side of the pressing unit without being pivotally connected on the scanning module leans against on the flat-cable through the weight itself to suppress the flat-cable, so as to prevent the flat-cable from contacting with the transparent cover when the scanning module moves back and forth between the first and the second inner-sides.

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Номер записи: 57
05-03-2020 дата публикации

READER AND INK-JET RECORDING DEVICE

Номер: US20200076980A1
Автор: Ichihara Yoshiyuki, INABA Yasunori
Принадлежит: KONICA MINOLTA, INC.

Provided are a reader and an ink-jet recording device with which it is possible to maintain the accuracy of reading a document continuously for a longer time. The reader is provided with a detection unit for detecting light from the surface of an object to be read and a housing for shutting the detection unit tight, the housing having a window for allowing the light from the surface of the object to be read to enter the inside via a light permeable member, the window being provided at a position in the housing more separate from the surface of the object to be read than is a nearest surface facing the surface of the object to be read in the shortest distance. 1. A reader comprising:a detector which detects light from a reading target surface; anda housing which shuts the detector tight, whereinthe housing has a window which allows light from the reading target surface to enter an inside of the housing via a light permeable member, andthe window is provided at a position in the housing more separate from the reading target surface than a nearest surface facing the reading target surface at a shortest distance.2. The reader according to claim 1 , comprising a light guider that includes a hole through which the light passes at least in a part between the reading target surface and the window.3. The reader according to claim 2 , wherein the light guider is arranged on the housing without providing a gap between one end of the hole and the window.4. The reader according to claim 2 , comprising an air current generator which generates an air current in a direction of moving away from the window at least in a part between openings at both ends of the hole.5. The reader according to claim 2 , wherein the hole is formed so that an opening area at an end on a reading target surface side is smaller than an opening area at an end on a window side.6. The reader according to claim 5 , wherein the hole is formed so that a cross-sectional area becomes smaller as a distance from the ...

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Номер записи: 58
22-03-2018 дата публикации

ORIGINAL READING APPARATUS, METHOD FOR CONTROLLING THE SAME, AND STORAGE MEDIUM

Номер: US20180084118A1
Автор: Tachibana Yoshiro
Принадлежит:

An original reading apparatus conveys an original placed on an original stacking unit, reads the conveyed original, makes a setting about whether to validate a function of interrupting conveyance of originals upon detection of double feed of the originals during conveyance of the originals in accordance with detection of originals stacked on the original stacking unit, detects an original placed on the original stacking unit, and validates the function based on the made setting in accordance with detection of the original by the original detection unit. 112.-. (canceled)13. An image reading apparatus comprising:an original stacking tray;a first sensor that detects originals placed on the original stacking tray;a second sensor that detects multi feed of originals;a control unit that makes a setting about whether to enable or to disable a function of multi feed detection which the second sensor detects the multi feed of originals; anda display that displays an object indicating the setting of the function of multi feed detection in accordance with the first sensor detecting originals placed on the original stacking tray.14. The apparatus according to claim 13 , whereinin a case where the setting is made to enable to the function, the display displays the object indicating that the function of multi feed detection is enabled in accordance with the first sensor detecting originals placed on the original stacking tray.15. The apparatus according to claim 14 , whereinthe display emphatically displays the object indicating that the function of multi feed detection is enabled.16. The apparatus according to claim 14 , further comprising:a conveyer that conveys originals placed on the original stacking tray, whereinin a case where the display displays the object indicating that the function of multi feed detection is enabled, the conveyer interrupts conveyance of originals in accordance with the second sensor detecting the multi feed of originals conveyed by the conveyer.17. ...

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Номер записи: 59
29-03-2018 дата публикации

PRINTER, METHOD FOR CONTROLLING PRINTER, AND RECORDING MEDIUM

Номер: US20180086120A1
Автор: KURONUMA Hirotaka
Принадлежит: CASIO COMPUTER CO., LTD.

A printer includes: a processor; a print head configured to perform printing in accordance with input print data; and a scanner configured to acquire an image of a material to be printed. The processor is configured to detect at least one line extending in a first direction on the material to be printed from the image acquired by the scanner when moving of the printer in a moving direction in which the scanner is on the front side of the print head, and set a print area along the first direction based on the line on the material to be printed, and the print head prints in the print area. 2. The printer according to claim 1 , wherein the processor is configured toperform determination processing to determine whether a print width set for the print data is within a width of the print area in a second direction orthogonal to the first direction.3. The printer according to claim 2 , wherein the processor is configured toperform detection processing to detect, as the line, a first line and a second line extending in the first direction on the material to be printed from the image, andarea-setting processing to set a first print border line and a second print border line of the print area along the first direction so as to give a margin in the second direction to each of the first line and the second line, whereinthe processor performs the determination processing based on whether the print width is between the first print border line and the second print border line.4. The printer according to claim 3 , wherein the processor is configured to claim 3 ,when the print width is within the width in the second direction of the print area on the material to be printed, perform first comparison processing to compare a first distance between a first end of the print width and the first print border line and a second distance between a second end of the print width and the second print border line, andperform first print-width adjustment processing to reduce the print width so ...

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Номер записи: 60
19-06-2014 дата публикации

Image reading apparatus and image forming apparatus

Номер: US20140168722A1
Автор: Akiyuki Mitamura
Принадлежит: Canon Inc

An image reading apparatus includes a transparent member disposed at a document pass position, an image reading unit configured to read an image of a passing document through the transparent member, and a rotating cleaning unit configured to rotate to clean a document pass surface of the transparent member. The rotating cleaning unit includes a main body rotatable centering on a rotational axis, a first cleaning member supported by the main body, and configured to scrape foreign matters on the document pass surface during rotation of the main body, and a second cleaning member supported by the main body, and configured to enable sweeping foreign matters on the document pass surface during rotation of the main body.

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Номер записи: 61
19-06-2014 дата публикации

Document Illumination Device, Contact-Type Image Sensor Module, and Image Reading Device

Номер: US20140168724A1
Автор: KOBAYASHI Hidekazu
Принадлежит: SEIKO EPSON CORPORATION

A document illumination device includes a light-conducting member in which is formed a base surface that extends along a lengthwise direction, an irradiation surface that extends along the lengthwise direction and is tilted in the widthwise direction relative to the base surface, and a side surface that extends in the lengthwise direction and connects the base surface to the irradiation surface; a scattering member that is provided opposing the base surface and the side surface and that scatters light emitted from the base surface and the side surface; and a light source provided opposing a lengthwise direction-end surface of the light-conducting member. 1. A document illumination device comprising:a light-conducting member in which is formed a base surface that extends along a lengthwise direction, an irradiation surface that extends along the lengthwise direction and is tilted in the widthwise direction relative to the base surface, and a side surface that extends in the lengthwise direction and connects the base surface to the irradiation surface;a scattering member that is provided opposing the base surface and the side surface and that scatters light emitted from the base surface and the side surface; anda light source provided opposing a lengthwise direction-end surface of the light-conducting member.2. The document illumination device according to claim 1 ,wherein the side surface has a projecting portion; andthe scattering member is provided further toward the base surface than the projecting portion.3. A contact-type image sensor module comprising:a linear image sensor having a light-receiving surface that extends in the lengthwise direction of the light-conducting member;{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the document illumination device according to ; and'}a lens member, provided along the document illumination device, whose optical axis intersects with a perpendicular of the base surface of the document illumination device and that forms ...

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Номер записи: 62
25-03-2021 дата публикации

IMAGE PROCESSING APPARATUS AND NON-TRANSITORY COMPUTER READABLE MEDIUM

Номер: US20210092252A1
Автор: HORIKAWA Kazuhiko, YONESAKA Ryosuke
Принадлежит: FUJI XEROX CO., LTD.

An image processing apparatus includes a reading unit and a controller. The reading unit radiates light to a target from two directions with different angles and reads images of the target. The controller performs, when controlling the reading unit to acquire the two images of the target, control such that a resolution of the image read by radiating the light to the target from one of the two directions is lower than a resolution of the image read by radiating the light to the target from the other one of the two directions. 1. An image processing apparatus comprising:a reading unit that radiates light to a target from two directions with different angles and reads images of the target; anda controller that performs, when controlling the reading unit to acquire the two images of the target, control such that a resolution of the image read by radiating the light to the target from one of the two directions is lower than a resolution of the image read by radiating the light to the target from the other one of the two directions.2. The image processing apparatus according to claim 1 ,wherein the two directions with the different angles are a direction for obtaining diffused reflection light as a read image, the diffused reflection light being generated when the light is radiated to the target, and a direction for obtaining regular reflection light as a read image, the regular reflection light being generated when the light is radiated to the target, andwherein the controller performs control such that a resolution of a regular reflection light image obtained by reading the regular reflection light from the target is lower than a resolution of a diffused reflection light image obtained by reading the diffused reflection light from the target.3. The image processing apparatus according to claim 2 ,wherein the controller performs, by setting a reading speed of the reading unit for reading the regular reflection light from the target to be faster than a reading speed for ...

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Номер записи: 63
29-03-2018 дата публикации

IMAGE READER DEVICE, AND SEMICONDUCTOR DEVICE

Номер: US20180091692A1
Автор: SANO Takafumi
Принадлежит: SEIKO EPSON CORPORATION

Each of a plurality of image reader chips included in an image reader device includes: a readout circuit that reads out a pixel signal output from a pixel portion; a transfer interconnect; an output circuit that outputs the pixel signal; a capacitor that is selectively connected between the transfer interconnect and the output circuit; and a constant voltage circuit. The constant voltage circuit is selectively connected to a first terminal of the capacitor via the output circuit. 1. An image reader device comprisinga plurality of image reader chips for reading an image,wherein each of the plurality of image reader chips includes:a pixel portion that outputs a pixel signal, the pixel portion including a light receiving element that receives light from the image and performs photoelectric conversion;a readout circuit that reads out the pixel signal output from the pixel portion;an output circuit that receives the pixel signal from the readout circuit via a transfer interconnect and outputs the pixel signal;a capacitor having a first terminal that is selectively connected to the transfer interconnect and a second terminal that is selectively connected to the output circuit; anda constant voltage output that outputs a constant voltage signal and is selectively connected to the first terminal of the capacitor via the output circuit.2. The image reader device according to claim 1 ,wherein when the pixel signal is reads out by the readout circuit and is transferred to the transfer interconnect, the first terminal of the capacitor is connected to the transfer interconnect, and the second terminal of the capacitor is connected to the output circuit.3. An image reader device comprisinga plurality of image reader chips for reading an image,wherein each of the plurality of image reader chips includes:a pixel portion that outputs a pixel signal, the pixel portion including a light receiving element that receives light from the image and performs photoelectric conversion;a ...

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Номер записи: 64
30-03-2017 дата публикации

DATA MANAGEMENT IN A LINEAR-ARRAY-BASED MICROSCOPE SLIDE SCANNER

Номер: US20170094095A1
Автор: Crandall Greg J., Eichhorn Ole, Olson Allen H., Soenksen Dirk G.
Принадлежит:

Systems and methods for capturing image data using a line scan camera. In an embodiment, a line scan camera captures image data of a sample as a plurality of image stripes. A processor may coarsely align two or more of the plurality of image stripes according to a synchronization process while the line scan camera is capturing at least one of the plurality of image stripes. Subsequently, the processor may also finely align the two or more image stripes using pattern matching. 1. A system for capturing image data using a line scan camera , the system comprising:an objective lens positioned for viewing at least a portion of a sample during constant relative motion;a line scan camera optically coupled to the objective lens and configured to capture image data of the sample as a plurality of image stripes; andat least one processor configured to,while the line scan camera is capturing at least one of the plurality of image stripes of the sample, coarsely align two or more adjacent ones of the plurality of image stripes of the sample, and,subsequently, finely align the two or more adjacent ones of the plurality of image stripes of the sample.2. The system of claim 1 , further comprising an illumination source claim 1 , wherein the synchronization process comprises:for each of the two or more image stripes, capturing an area comprising an area preceding a predetermined scan area, the scan area, and an area following the scan area, and, during capture by the line scan camera of one or more lines of image data corresponding to a beginning of the scan area, using the illumination source to illuminate the one or more lines of image data; and,aligning the two or more image stripes based on the illuminated one or more lines of image data in each of the two or more image stripes.3. The system of claim 2 , wherein the at least one processor claim 2 , prior to storing each of the two or more image stripes claim 2 , eliminates claim 2 , from each image stripe claim 2 , image data ...

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Номер записи: 65
26-06-2014 дата публикации

SYSTEM, PROCESS, AND COMPUTER PROGRAM PRODUCT FOR IMPLEMENTING A DOCUMENT SCANNER IN A HAND-HELD DEVICE

Номер: US20140179370A1
Автор: Dalvi Anup Ashok, Dave Dhaval Sanjaykumar
Принадлежит: NVIDIA CORPORATION

A system, process, and computer program product are provided for scanning a document with a hand-held device. An approach for scanning the document includes the steps of sampling one or more values from an array of sensors integrated into a hand-held device, determining whether the device has moved at least a threshold distance, and sampling one or more additional values from the array of sensors. 1. A method comprising:sampling one or more values from an array of sensors integrated into a hand-held device;determining whether the device has moved at least a threshold distance; andsampling one or more additional values from the array of sensors.2. The method of claim 1 , wherein the hand-held device is a mobile phone.3. The method of claim 1 , further comprising generating a digital image based on the one or more sampled values and the one or more additional sampled values.4. The method of claim 1 , further comprising:determining whether to continue scanning a document; andif the document should continue to be scanned, then determining whether the device has moved by at least the threshold distance and sampling one or more additional values from the array of sensors, orif the document should not continue to be scanned, then generating a digital image based on the one or more sampled values and the one or more additional sampled values.5. The method of claim 1 , wherein the array of sensors comprises a plurality of CCD sensors.6. The method of claim 5 , wherein the array of sensors includes two or more rows of CCD sensors claim 5 , and wherein each row of includes two or more CCD sensors.7. The method of claim 5 , wherein the array of sensors substantially spans the entire width of a rear surface of the hand-held device.8. A non-transitory computer-readable storage medium storing instructions that claim 5 , when executed by a processor claim 5 , cause the processor to perform steps comprising:sampling one or more values from an array of sensors integrated into a hand- ...

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Номер записи: 66
03-07-2014 дата публикации

IMAGE SENSOR UNIT AND IMAGE READING APPARATUS

Номер: US20140185110A1
Автор: Kaihotsu Takahiro
Принадлежит: CANON COMPONENTS, INC.

In an image sensor unit including a plurality of sensor chips mounted in a line on a sensor substrate, image signals from the sensor chips are sequentially read according to a reading order among the sensor chips, a current consumption circuit that consumes set current is arranged, and the current consumption circuit starts consuming the set current in response to a signal indicating end of reading of the image signals by all of the sensor chips and ends consuming the set current in response to a signal indicating start of reading of the image signals first by the sensor chip after a start signal to thereby reduce variation in the current consumption of the image sensor unit. 1. An image sensor unit comprising a plurality of sensor chips mounted in a line on a same substrate ,each of the sensor chips comprising:a plurality of photoelectric conversion elements that convert reflected light from an imaged illuminated object to electric signals;a memory part that holds image signals obtained from photoelectric conversion by the photoelectric conversion elements;a signal output part that outputs the image signals sequentially read from the memory part to an external output line, wherein ON/OFF of the signal output part is controlled according to an operation state of the sensor chip; anda current consumption circuit that consumes set current in a predetermined period, whereinthe current consumption circuit starts consuming the set current in response to a signal indicating end of reading of the image signals by all of the sensor chips and ends consuming the set current in response to a signal indicating start of reading of the image signals first by the sensor chip after a start signal.2. The image sensor unit according to claim 1 , whereinthe current consumption circuit is arranged for each group of the sensor chips including output pads of the image signals commonly connected to the same external output line.3. The image sensor unit according to claim 1 , whereinthe ...

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Номер записи: 67
03-07-2014 дата публикации

Image Reading Apparatus

Номер: US20140185111A1
Автор: Yasuo Yamasaki
Принадлежит: Brother Industries Ltd

An image reading apparatus includes: a document table that includes one surface on which a document is to be placed; an image reader that is provided over the other surface of the document table and is configured to read an image of the document being placed on the document table; and a resin housing that houses the document table and the image reader therein. The image reader includes: an image sensor including a plurality of reading elements arranged in a first direction; a holder configured to support the image sensor; a resin guide integrally formed with the housing; a reinforcement member which is made by a metal plate and provided at the guide; and a driver configured to move the holder along the guide in a second direction substantially perpendicular to the first direction.

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Номер записи: 68
08-04-2021 дата публикации

LIGHT RECEIVING UNIT

Номер: US20210105378A1
Автор: ISHIHARA Takahiro, KODAMA Masatoshi, Ono Masaki, UESUGI Mikio
Принадлежит: Mitsubishi Electric Corporation

A light receiving unit includes photoelectric conversion elements () in which first pixels () are arrayed linearly along a long side of a parallelogram-shaped semiconductor substrate () and second pixels () are arrayed linearly at a location separated away from the first pixels () by a predetermined interpolation pixel distance. An output data processor that generates image data based on outputs of the photoelectric conversion elements () performs time correction of the image data by coupling image data based on outputs of the second pixels () with image data based on outputs of the first pixels () that have a time shift equal to a scanning time corresponding to the interpolation pixel distance. 12.-. (canceled)3. A light receiving unit comprising:semiconductor substrates each having a shape that has a pair of long sides parallel to each other and a pair of short sides that are shorter than the long sides and are parallel to each other;a sensor substrate on which the semiconductor substrates are mounted in a line with gaps provided therebetween, the gaps having a same length;first pixels disposed on each of the semiconductor substrates, the first pixels being arrayed linearly in parallel with one long side of the long sides; andsecond pixels disposed on the semiconductor substrate, the second pixels being separated away from the first pixels in a direction perpendicular to the one long side and arrayed linearly in parallel with the one long side,wherein overlapping pixels disposed on sub-scanning lines that extend in the direction perpendicular to the one long side and pass through outermost pixels among the first pixels, the outermost pixels being located at outermost ends of a linear array of the first pixels; and', 'interpolation pixels disposed on other sub-scanning lines that pass through missing pixels that are disposed farther away from a center of the linear array of the first pixels than the outermost pixels,, 'the second pixels includethe light receiving ...

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Номер записи: 69
26-03-2020 дата публикации

IMAGE READING OPTICAL SYSTEM AND IMAGE READING DEVICE

Номер: US20200099813A1
Автор: Aikawa Kiyofumi, HACHISUGA Masaki, Hiramatsu Takashi
Принадлежит: FUJI XEROX CO., LTD.

An image reading optical system includes an image reading portion, multiple light reflection portions, and a diaphragm. The image reading portion includes an array of reading elements that read incident light. The light reflection portions reflect light traveling from a readable object to the image reading portion. The diaphragm regulates light traveling from a first one of the light reflection portions to a subsequent one of the light reflection portions in a specific direction. The diaphragm includes a first light shielding portion and a second light shielding portion disposed at different positions in a travel direction of the light with respect to the first one of the light reflection portions to block part of the light. The first light shielding portion and the second light shielding portion are located in substantially a common plane. The first light shielding portion is disposed along an optical axis of light incident on the first one of the light reflection portions. 1. An image reading optical system , comprising:a sensor including an array of reading elements that read incident light;a plurality of imaging mirrors that reflect light traveling from a readable object to the sensor; anda diaphragm that regulates light traveling from a first one of the light imaging mirrors to a subsequent one of the imaging mirrors in a specific direction, the diaphragm including a first light shielding portion and a second light shielding portion disposed at different positions in a travel direction of the light with respect to the first one of the imaging mirrors to block part of the light, the first light shielding portion and the second light shielding portion being located in substantially a common plane,wherein the first light shielding portion is disposed along an optical axis of light incident on the first one of the imaging mirrors.2. The image reading optical system according to claim 1 , wherein the first light shielding portion and the second light shielding ...

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Номер записи: 70
30-04-2015 дата публикации

Image reading device and image forming apparatus

Номер: US20150116793A1
Автор: Hirotoshi Tagawa
Принадлежит: Kyocera Document Solutions Inc

An image reading device includes a light source, an imaging element and a control unit. The light source irradiates light on a document. The irradiated light of the light source reflected by the document is incident on the imaging element. The control unit is configured to, if the document is an ordinary document having no light-emitting screen, set a light amount of the irradiated light of the light source at a predetermined reference value and is configured to, if the document is a special document having a light-emitting screen, reduce the light amount of the irradiated light of the light source to become lower than the reference value.

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Номер записи: 71
30-04-2015 дата публикации

PHOTOELECTRIC CONVERSION ELEMENT, IMAGE READING DEVICE, IMAGE FORMING APPARATUS, IMAGE READING METHOD, AND IMAGE FORMING METHOD

Номер: US20150116794A1
Автор: Nakazawa Masamoto
Принадлежит:

A photoelectric conversion element comprises: a plurality of light-receiving elements that generates a charge for each pixel according to an amount of received light; and a plurality of pixel circuits that operates so as to derive the charge generated by the plurality of light-receiving elements from the plurality of light-receiving elements for each pixel. The plurality of light-receiving elements is arranged in a light-receiving area that receives light from outside, and the plurality of pixel circuits is provided in a non-light-receiving area that does not receive the light from outside. 1. A photoelectric conversion element comprising:a plurality of light-receiving elements that generates a charge for each pixel according to an amount of received light; anda plurality of pixel circuits that operates so as to derive the charge generated by the plurality of light-receiving elements from the plurality of light-receiving elements for each pixel, whereinthe plurality of light-receiving elements is arranged in a light-receiving area that receives light from outside, andthe plurality of pixel circuits is provided in a non-light-receiving area that does not receive the light from outside.2. The photoelectric conversion element according to claim 1 , whereineach of the pixel circuits includes:a transfer unit that transfers the charge generated by a light-receiving element for each pixel;a charge-voltage conversion unit that converts the charge transferred by the transfer unit to a voltage;a reset unit that resets potential of the charge-voltage conversion unit; anda transmission unit that transmits the voltage converted by the charge-voltage conversion unit to another circuit.3. The photoelectric conversion element according to claim 1 , whereinthe plurality of light-receiving elements is arranged in one direction for each color of received light to form one or more pixel rows, andthe non-light-receiving area is provided for each of the pixel rows along the pixel row so ...

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Номер записи: 72
28-04-2016 дата публикации

PROCESSING DEVICE, IMAGE READING DEVICE, IMAGE FORMING APPARATUS, AND PROCESSING METHOD

Номер: US20160119495A1
Автор: Konno Yoshio, Nakazawa Masamoto, SHIRADO Hiroki
Принадлежит:

A processing device includes: a control-signal generating unit that generates a control signal by switching a predetermined potential and a second potential that is different from the predetermined potential; multiple processing units that, if a potential of the control signal is the predetermined potential, flow a predetermined current, process and outputs an input signal, and if a potential of the control signal is the second potential, do not flow the predetermined current and do not process a signal; and a control unit that controls the control-signal generating unit such that, in a case of an operating mode in which the processing units process a signal, the control signal is a voltage signal of the predetermined potential, and in a case of a standby mode in which the processing units do not process a signal, the control signal is a voltage signal of the second potential. 1. A processing device comprising:a control-signal generating unit that includes a voltage generating unit that generates a voltage of a predetermined potential and that generates a control signal by switching the predetermined potential and a potential that is different from the predetermined potential;multiple processing units that, if a potential of the control signal is the predetermined potential, flow a predetermined current, process and outputs an input signal, and if a potential of the control signal is the potential that is different from the predetermined potential, do not flow the predetermined current and do not process a signal; anda control unit that controls the control-signal generating unit such that, in a case of an operating mode in which the processing units process a signal, the control signal is a voltage signal of the predetermined potential that is generated by the voltage generating unit, and in a case of a standby mode in which the processing units do not process a signal, the control signal is a voltage signal of the potential that is different from the predetermined ...

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Номер записи: 73
26-04-2018 дата публикации

MEDIA SCAN OPERATION CONTROL

Номер: US20180115670A1
Автор: Bryson John Andrew, Fredrickson Russell, Gomez Lucia Jorge Miguel, Roman Justin M.
Принадлежит: Hewlett-Packard Development Company, L.P.

According to an example, an apparatus for controlling a media scan operation may include a first scan module to scan a section of a media, a tracking mechanism to track the media as the media is moved past the first scan module, and a controller. The controller may receive signals corresponding to the media movement from the tracking mechanism, determine, based upon the received signals, a current position of the media, and vary a timing at which the first scan module collects a scan of the section of the media based upon the determined current position of the media. 1. An apparatus comprising:a first scan module to scan a section of a media;a tracking mechanism to track the media as the media is moved past the first scan module; receive signals corresponding to the media movement from the tracking mechanism;', 'determine, based upon the received signals, a current position of the media; and', 'vary a timing at which the first scan module collects a scan of the section of the media based upon the determined current position of the media., 'a controller to2. The apparatus according to claim 1 , wherein the controller is further to:determine, based upon the determined current position of the media, whether the media is currently at a predefined position; andvary the timing by delaying collection by the first scan module of the section of the media in response to a determination that the media is currently not at the predefined position.3. The apparatus according to claim 2 , wherein claim 2 , to determine the current position of the media claim 2 , the controller is further to apply a corrective function on the received signals claim 2 , wherein the corrective function compensates for a defect in the tracking mechanism in tracking the media.4. The apparatus according to claim 1 , further comprising:a second scan module, wherein the second scan module is positioned downstream of the first scan module in the direction in which the media is fed past the first scan module ...

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Номер записи: 74
09-06-2022 дата публикации

IMAGE READING DEVICE AND IMAGE FORMING SYSTEM

Номер: US20220182503A1
Автор: Horiguchi Yasuyuki
Принадлежит: KYOCERA Document Solutions Inc.

Then image reading device includes a transparent document table, a frame, a reading unit, a moving mechanism, a white reference member, and a controller. The frame is provided around a peripheral of the document table. The white reference member is provided on the frame adjacent to the document table in the sub scanning direction and has a length in the main scanning direction longer than the document table. The reading unit includes a first reading part which reads an area corresponding to the document table and a second reading part which reads an area corresponding to the frame. The controller detects a boundary between the frame and the reference member based on a read value of the second reading part while moving the reading unit by the moving mechanism, and positions the reading unit at a home position apart from the boundary by a predetermined distance. 1. An image reading device comprising:a transparent document table on which a document is placed;a frame provided around a peripheral of the document table;a reading unit which reads the document in a main scanning direction;a moving mechanism which moves the reading unit in a sub scanning direction crossing to the main scanning direction;a white reference member provided on the frame adjacent to the document table in the sub scanning direction and having a length in the main scanning direction longer than the document table; anda controller which controls the moving mechanism, whereinthe reading unit includes a first reading part which reads an area corresponding to the document table and a second reading part which reads an area corresponding to the frame, andthe controller detects a boundary between the frame and the reference member based on a read value of the second reading part while moving the reading unit by the moving mechanism, and positions the reading unit at a home position apart from the boundary by a predetermined distance.2. The image reading device according to claim 1 , whereinthe home ...

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Номер записи: 75
27-04-2017 дата публикации

Document processing device and data processing device

Номер: US20170118362A1
Автор: Katsuya Endo
Принадлежит: Toshiba Corp, Toshiba TEC Corp

A document processing device includes a scanner, a display, a notification unit, and a control unit. The scanner is configured to read a document provided on a document table. The display is configured to display image data of the document read by the scanner. The notification unit is configured to provide a notification warning to indicate that the document has not been removed from the document table. The control unit is configured to detect the document on the document table.

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Номер записи: 76
03-05-2018 дата публикации

IMAGE PROCESSING APPARATUS, IMAGE FORMING APPARATUS, AND IMAGE PROCESSING METHOD

Номер: US20180124268A1
Автор: SATSUKA Akifumi
Принадлежит: RICOH COMPANY, LTD.

An image processing apparatus includes a memory, a correction circuit, and a calculation circuit. The memory stores image data of an original image that is moved in a sub-scanning direction with respect to an image sensor. The correction circuit sequentially reads the image data from the memory line by line in the main scanning direction, extracts a pixel in a position corresponding to the inclination, and forms an inclination-corrected line in the main scanning direction to correct the inclination. The calculation circuit calculates an amount of movement of a corner of the original image with respect to the sub-scanning direction before and after correction of inclination of the original image with respect to a main scanning direction. The correction circuit restricts progress of formation of the inclination-corrected line based on the amount of movement. The amount of movement is applied when the inclination of the original image is corrected. 1. An image processing apparatus comprising:a memory to store image data of an original image moved in a sub-scanning direction with respect to an image sensor that scans the original image in a main scanning direction to generate the image data;a correction circuit to sequentially read the image data from the memory line by line in the main scanning direction, extract a pixel in a position corresponding to an inclination of the original image with respect to the main scanning direction, and form an inclination-corrected line in the main scanning direction to correct the inclination of the original image; anda calculation circuit to calculate an amount of movement of a corner of the original image with respect to the sub-scanning direction before and after correction of the inclination of the original image with respect to the main scanning direction by the correction circuit, the amount of movement being applied when the inclination of the original image is corrected,the correction circuit restricting progress of formation ...

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Номер записи: 77
31-07-2014 дата публикации

Solid-state image sensing device, image reading apparatus, and image forming apparatus

Номер: US20140211273A1
Автор: Masamoto Nakazawa, Yoshio Konno
Принадлежит: Ricoh Co Ltd

A solid-state image sensing device includes: a photoelectric conversion unit that converts light into electrical signals for respective pixels and outputs the electrical signals; a signal separation unit that separates an offset signal, which is generated due to dark current, from each of the electrical signals outputted by the photoelectric conversion unit and outputs image signals which are electrical signals converted from light for the respective pixels; and a signal adding unit that adds the image signals, which is outputted from the signal separation unit, for each group of a plurality of pixels.

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Номер записи: 78
31-07-2014 дата публикации

Sheet Feeding Apparatus

Номер: US20140211274A1
Автор: Ohta Masahiko
Принадлежит: BROTHER KOGYO KABUSHIKI KAISHA

A sheet feeding apparatus includes a first tray, a frame member, and a feeder. The frame member includes a first wall portion facing in a width direction and a first tray portion disposed above the first tray and extending inward in the width direction from the first wall portion. The first tray has a first end on a side far from the feeder. The first tray portion of the frame member has a second end on the side far from the feeder and a third end on a side near the feeder. The second end is closer to the feeder than the first end. The first wall portion extends from the third end toward the first end. 1. A sheet feeding apparatus comprising:a first tray configured to support a stack of sheets; a first wall portion facing in a width direction; and', 'a first tray portion disposed above the first tray and configured to support a stack of sheets, the first tray portion extending inward in the width direction from the first wall portion; and, 'a frame member includinga feeder configured to feed a sheet supported in the first tray to the first tray portion of the frame member in a feed direction perpendicular to the width direction,wherein the first tray has a first end on a side far from the feeder,wherein the first tray portion of the frame member has a second end on the side far from the feeder and a third end on a side near the feeder,wherein the second end of the first tray portion of the frame member is located closer to the feeder than the first end of the first tray, andwherein the first wall portion extends from the third end of the first tray portion of the frame member toward the first end of the first tray.2. The sheet feeding apparatus according to claim 1 , wherein the first wall portion has an upper end claim 1 , the upper end has a location higher than the first tray portion of the frame member claim 1 , and the first wall portion and the first tray portion are integrally formed in the location of the upper end.3. The sheet feeding apparatus according to ...

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Номер записи: 79
31-07-2014 дата публикации

Sheet Feeding Apparatus

Номер: US20140211275A1
Автор: Ohta Masahiko
Принадлежит: BROTHER KOGYO KABUSHIKI KAISHA

A sheet feeding apparatus includes a first tray, a second tray disposed above the first tray, a feeding portion configured to feed a sheet in a feed direction, and a first wall portion disposed at one end of the second tray in a width direction and fixed relative to the first tray. The first tray has a first end on a side far from the feeding portion. The second tray has, on the side far from the feeding portion, a second end, which is closer to the feeding portion than the first end of the first tray. The first end of the first tray is located above the second end of the second tray. An upper end of the first wall portion is higher than the second tray, and extends from a side closer to the second end of the second tray toward the first end of the first tray. 1. A sheet feeding apparatus comprising:a first tray configured to receive a stack of sheets;a second tray disposed above the first tray and configured to receive a stack of sheets;a feeding portion configured to feed a sheet supported in the first tray to the second tray in a feed direction; anda first wall portion disposed at one end of the second tray in a width direction perpendicular to the feed direction and fixed relative to the first tray,wherein the first tray has a first end on a side far from the feeding portion,wherein the second tray has a second end on the side far from the feeding portion,wherein the second end of the second tray is located closer to the feeding portion than the first end of the first tray,wherein the first end of the first tray is located above the second end of the second tray, andwherein an upper end of the first wall portion is higher than the second tray, and extends from a side closer to the second end of the second tray toward the first end of the first tray.2. The sheet feeding apparatus according to claim 1 ,wherein the first tray inclines upwardly toward the first end,wherein a surface of the first tray has, on a side closer to the first end, a portion at a same height ...

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Номер записи: 80
21-05-2015 дата публикации

IMAGE SENSOR

Номер: US20150136951A1
Автор: FUJIUCHI Akiko, Imaizumi Masaru, Ito Atsushi, Matsumura Seiichi, Ohama Daisuke
Принадлежит: Mitsubishi Electric Corporation

An image sensor including: light guides for irradiating light onto an irradiated object; a lens that focuses reflected light that was reflected by the irradiated object; a sensor that receives the reflected light that was focused by the lens; and a housing. The housing houses or holds the light guides, the lens, and the sensor, and is formed by integrating a housing metal portion and a housing resin portion. 1. An image sensor , comprising:a light guide that extends in a main scanning direction and that emits light onto an irradiated body;a lens that focuses reflected light that has been reflected by the irradiated body;a light receiver that receives the reflected light that was focused by the lens; anda housing that houses or holds the light guide, the lens, and the light receiver, and that comprises a metal portion and a resin portion that are formed into one housing;whereinthe metal portion comprises:a first bottom section in which a slit section is formed in order for the reflected light that passed through the lens to pass through, and is formed that extends in the main scanning direction; andthe resin portion comprises:a lens holder has an opening formed therein, and by fitting the lens inside the opening, holds the lens; anda second bottom section that has light-receiver-board holder that holds a light-receiver board on which the light receiver is mounted.2. (canceled)3. The image sensor according to claim 1 , comprising:a light source that provides light to the light guide;a light-source board on which the light source is mounted on one surface thereof;a heat-transfer body that is arranged so as to come in contact with the other surface on the opposite side from the one surface, and that comes in contact with at least part of the metal portion.4. The image sensor according to claim 1 , wherein plural light-receiver-board holders are provided along the main scanning direction so as to be separated at specified intervals.5. The image sensor according to claim ...

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Номер записи: 81
12-05-2016 дата публикации

Document reading device and image forming apparatus provided with same

Номер: US20160134777A1
Автор: Yasuyuki Horiguchi
Принадлежит: Kyocera Document Solutions Inc

A document reading device ( 20 ) includes: a document conveyance section ( 6 ) and a document reading device ( 5 ). A conveyed document reading region ( 161 b ) has: a document discharge guide ( 51 ) arranged downstream of an image reading position ( 163 a ) in a document conveyance direction; and a transparent reading sheet ( 52 ) provided along a surface of the contact glass ( 161 ) and a surface of the document discharge guide ( 51 ), the document conveyance section ( 6 ) has a reading guide ( 62 ) forming a document conveyance path oppositely to the conveyed document reading region ( 161 b ), and the reading guide ( 62 ) has, on part of a surface opposing the conveyed document reading region ( 161 b ), a black reference member ( 620 ) optically read by an image reading section ( 163 ) for the purpose of correcting black reference data of an image of the document conveyed by the document conveyance section ( 6 ) and read by the document reading device ( 5 ).

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Номер записи: 82
03-06-2021 дата публикации

IMAGE READING DEVICE APPARATUS AND IMAGE FORMING APPARATUS

Номер: US20210165339A1
Автор: Takahashi Toshio
Принадлежит:

An image reading apparatus includes an original illuminator; a reflector for reflecting light reflected by the original; a reading portion for reading the light reflected by the reflector; a holding member holding the reflection member; a first bonding portion connecting the holding member and one end portion of the reflector in a direction along a reflecting surface of the reflection member; and a second bonding portion connecting the holding member and the other end portion of the reflector in the direction along the reflecting surface of the reflection member. The second bonding portion has a hardness less than that of the first bonding portion. 1. An image reading apparatus comprising:an illuminating portion configured to illuminate an original;a reflection member configured to reflect light reflected by the original;a reading portion configured to read the light reflected by said reflection member;a holding member holding said reflection member;a first bonding portion connecting said holding member and one end portion of said reflection member in a direction along a reflecting surface of said reflection member; anda second bonding portion connecting said holding member and the other end portion of said reflection member in the direction along the reflecting surface of said reflection member,wherein said second bonding portion has a hardness less than that of said first bonding portion.2. An apparatus according to claim 1 , wherein said holding member is made of synthetic resin material.3. An apparatus according to claim 1 , wherein said reflection member is a first reflection member claim 1 , and said apparatus further comprises a second reflection member provided upstream of said first reflection member in an optical path from the original to said reading portion claim 1 , wherein said first reflection member has a reflecting surface with an area smaller than that of said second reflection member.4. An apparatus according to claim 1 , wherein said first ...

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Номер записи: 83
23-04-2020 дата публикации

IMAGE READING APPARATUS

Номер: US20200128152A1
Автор: Akagi Daisuke, Ishido Katsuhiro
Принадлежит:

An original image is read as an aggregate of a plurality of pixels in which adjacent pixels have different colors (R, G, and B) in a main scanning direction and in a sub-scanning direction, and the read pixels of the respective colors are stored in a line memory in association with information on relative positions of the pixels with respect to another pixel. Then, the stored pixels are sorted so that pixels having the same color are adjacent to each other, and an abnormal pixel (dust) not present in the original image is detected based on the state of the sorted pixels. With this, the dust not present in the original image is detected without increasing the cost, and the dust is corrected without forming a conspicuous trace of correction. 1. An image reading apparatus , comprising: the first line sensor having a first light receiving elements and a second light receiving elements being arranged in a first direction, the first light receiving elements configured to receive light of a first color and the second light receiving elements configured to receive light of a second color that is different from the first color,', 'the second line sensor having a third light receiving elements and a fourth light receiving elements being arranged in the first direction, the third light receiving elements configured to receive light of the first color and the fourth light receiving elements configured to receive light of the second color, and', 'the first line sensor and the second line sensor being arranged at a predetermined interval in a second direction orthogonal to the first direction; and, 'a sensor having first and second line sensors and configured to read an image of an object,'}a detector configured to detect an abnormal pixel of the first color based on first image data of the first receiving elements and third image data of the third receiving elements, and to detect an abnormal pixel of the second color based on second image data of the second receiving elements ...

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Номер записи: 84
18-05-2017 дата публикации

IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD AND IMAGE FORMING APPARATUS

Номер: US20170142275A1
Автор: SHODA Hirokazu
Принадлежит:

An image processing apparatus comprises an input interface, a light source unit, a reading unit and a control unit. The input interface receives an input reading condition. The light source unit comprises a plurality of light sources which emit lights of different wavelengths. The reading unit reads an image on a sheet irradiated by the light of the light source unit. The control unit separately controls the quantity of the light emitted from each light source according to the reading condition input from the input interface. 1. An image processing apparatus , comprising:a processor that executes instructions to perform operations comprising:receiving a hue setting;emitting light of different wavelengths using a light source unit equipped with a plurality of light sources;reading an image on a sheet irradiated by light emitted from the light source unit; andseparately controlling a quantity of the light emitted from each of the light sources based on the hue setting;wherein the operations further comprise:controlling differently a quantity of a selected light source from a quantity of a non-selected light source.2. The image processing apparatus according to claim 1 , wherein the processor decreases the quantity of the non-selected light source without changing the quantity of the selected light source.3. The image processing apparatus according to claim 1 , wherein the processor increases the quantity of the selected light source without changing the quantity of the non-selected light source.4. The image processing apparatus according to claim 1 , wherein the processor increases the quantity of the selected light source claim 1 , and decreases the quantity of the non-selected light source.5. The image processing apparatus according to claim 1 , whereinthe light source unit comprises a first light source section located on a first side of a surface of a sheet and a second light source section located on a second side of a back of the sheet; and wherein the ...

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Номер записи: 85
18-05-2017 дата публикации

DOCUMENT IMAGE CAPTURING DEVICE

Номер: US20170142281A1
Автор: KOKUMA Keisuke
Принадлежит:

A document image capturing device includes an image capturing module for capturing an image of a document, and a first aperture portion, an illumination module movable between the image capturing module and a document conveying path and including a light source for illuminating the document and a second aperture portion, and a sealer for sealing between the first aperture portion and the second aperture portion regardless of movement of the illumination module. The sealer includes a first film attached to cover an entire periphery of the first aperture portion and a second film attached to cover an entire periphery of the second aperture portion, and the first aperture portion and the second aperture portion are arranged so that a reflection light from the document illuminated by the light source passes through the first aperture portion and the second aperture portion. 1. A document image capturing device comprising:an image capturing module including an image capturing element for capturing an image of a document, and a first aperture portion;an illumination module movable between the image capturing module and a document conveying path and including a light source for illuminating the document and a second aperture portion; anda sealer for sealing between the first aperture portion and the second aperture portion regardless of movement of the illumination module,wherein the sealer includes a first film attached to cover an entire periphery of the first aperture portion and a second film attached to cover an entire periphery of the second aperture portion, andthe first aperture portion and the second aperture portion are arranged so that a reflection light from the document illuminated by the light source passes through the first aperture portion and the second aperture portion.2. The document image capturing device according to claim 1 , wherein the first film and the second film is in a rectangular shape.3. The document image capturing device according to claim ...

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Номер записи: 86
18-05-2017 дата публикации

IMAGE READING APPARATUS AND METHOD, WITH A MOVABLE LIGHT REFLECTING SURFACE

Номер: US20170142289A1
Автор: TAMURA Wataru, YOSHITA Shogo
Принадлежит:

An image reading apparatus includes an image capturing module for capturing an image of a document, a light source, a movable light reflecting surface having a white color, a driving module for moving the light reflecting surface into a first position at which the light reflecting surface reflects light from the light source and a second position at which the light reflecting surface does not reflect light from the light source, and a control module for controlling the driving module to move the light reflecting surface. The control module determines the second position by moving the light reflecting surface by a predetermined quantity from the first position determined based on an image obtained by the image capturing module. 1. An image reading apparatus comprising:an image capturing module for capturing an image of a document;a light source;a movable light reflecting surface having a white color;a driving module for moving the light reflecting surface into a first position at which the light reflecting surface reflects light from the light source and a second position at which the light reflecting surface does not reflect light from the light source; anda control module for controlling the driving module to move the light reflecting surface,wherein the control module determines the second position by moving the light reflecting surface by a predetermined quantity from the first position determined based on an image obtained by the image capturing module.2. The image reading apparatus according to claim 1 , wherein the control module determines claim 1 , as the first position claim 1 , a position where a white reference image is detected.3. The image reading apparatus according to claim 1 , wherein the control module once moves the light reflecting surface to the second position side and then moves the light reflecting surface to the first position side in order to detect the white reference image.4. The image reading apparatus according to claim 3 , wherein the ...

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Номер записи: 87
09-05-2019 дата публикации

Image reading apparatus

Номер: US20190141216A1
Автор: Daisuke Akagi, Katsuhiro Ishido
Принадлежит: Canon Inc

An original image is read as an aggregate of a plurality of pixels in which adjacent pixels have different colors (R, G, and B) in a main scanning direction and in a sub-scanning direction, and the read pixels of the respective colors are stored in a line memory in association with information on relative positions of the pixels with respect to another pixel. Then, the stored pixels are sorted so that pixels having the same color are adjacent to each other, and an abnormal pixel (dust) not present in the original image is detected based on the state of the sorted pixels. With this, the dust not present in the original image is detected without increasing the cost, and the dust is corrected without forming a conspicuous trace of correction.

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Номер записи: 88
04-06-2015 дата публикации

OVERHEAD IMAGE READING APPARATUS

Номер: US20150156366A1
Автор: Takabatake Masanari
Принадлежит:

The overhead image reading apparatus includes a line sensor which has light receiving elements arranged one-dimensionally to read the image of a document in a one-dimensional direction, a white LED which emits light, a collimator lens which converts light emitted from the white LED to straight-line light, a diffuser plate which converts light converted to straight-line light by the collimator lens to linear irradiation light , and line light source units which irradiate linear irradiation light onto a reading region of an image by the line sensor. 1. An overhead image reading apparatus comprising:at least one light source unit including a point-like light source and a first optical element for converting light from the point-like light source to slit shaped light with which an object to be scanned is irradiated, the slit shaped light extending in a first direction when the object is irradiated with the slit shaped light;an image reading unit including a one-dimensional imaging element one-dimensionally extending in the first direction for scanning the object and a second optical element configured to focus the slit shaped light to be reflected by the object on the one-dimensional imaging element; anda rotary unit having the image reading unit and the at least one light source unit as a single body and configured to rotate to scan the object, whereinthe first optical element has a characteristic to cause light after passing therethrough to have a first light intensity distribution in the first direction, and the second optical element has a characteristic to cause light after passing therethrough to have a second light intensity distribution in the first direction.2. The overhead image reading apparatus according to claim 1 , wherein the slit shaped light after passing through the second optical element has a third light intensity distribution in which differences between the first light intensity distribution and the second light intensity distribution are modified. ...

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Номер записи: 89
31-05-2018 дата публикации

Image reading device and image forming apparatus therewith

Номер: US20180149861A1
Автор: Kei Ouchi, Takaaki Murase
Принадлежит: Kyocera Document Solutions Inc

An image reading device has a reading module including a light source, an optical system having a mirror array where reflection mirrors are coupled together in the main scanning direction and an aperture stop portion, a sensor where imaging regions for converting the image light imaged by the optical system into an electrical signal are arranged, and a housing, and has a reference drawing pattern determining connection positions between the imaging regions. The reference drawing pattern is composed of a plurality of pixel cut lines arranged to correspond to boundary lines between the reflection mirrors. The optical system is fixed on the housing at one point in the main scanning direction, and the pixel cut lines are arranged such that their distances from the boundary lines in the main scanning direction increase the farther away from the fixed position of the optical system in the main scanning direction.

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Номер записи: 90
31-05-2018 дата публикации

IMAGE READING DEVICE, IMAGE FORMING APPARATUS, AND METHOD FOR CONTROLLING IMAGE READING DEVICE

Номер: US20180152578A1
Автор: TAKAHASHI Masayoshi
Принадлежит: KYOCERA Document Solutions Inc.

An image reading device includes a contact glass, a first lamp, an image sensor, a first lamp, a light absorbing member, and a second lamp. When reading a document, in a first period, the first lamp is turned on while the second lamp is turned off. In a second period, the second lamp is turned on while the first lamp is turned off. On the basis of first image data obtained by reading in the first period and second image data obtained by reading in the second period, the control unit determines whether each pixel in the first image data is a pixel having read document data or not. 1. An image reading device comprising:a contact glass having one side on which a document is fed;a first lamp disposed on the other side of the contact glass so as to emit light to the one side of the contact glass;an image sensor disposed on the other side of the contact glass so as to receive light emitted from the first lamp and reflected by the document;a light absorbing member disposed on the one side of the contact glass at a position irradiated with light emitted from the first lamp and transmitted by the contact glass;a second lamp disposed on the one side of the contact glass at a position farther from the contact glass than the document feeding path so as to emit light to the image sensor;a control unit configured to control to read with the reflected light by turning on the first lamp while turning off the second lamp in a first period of a reading period of one line when reading a document, and to control to read with the transmitted light by turning on the second lamp while turning off the first lamp in a second period; anda determining unit configured to determine whether each pixel in the first image data is a pixel with document data that is a pixel having read document data or a pixel without document data that is a pixel having no read document data, on the basis of first image data obtained by reading in the first period and second image data obtained by reading in the ...

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Номер записи: 91
28-08-2014 дата публикации

Image scanning apparatus and multi-function apparatus including the same

Номер: US20140240801A1
Автор: Jin Gu Kang, Yun Jeong Jeong
Принадлежит: SAMSUNG ELECTRONICS CO LTD

An image scanning apparatus includes a document holder and a scanner module movably installed in the document holder, A multi-function apparatus may further include the image scanning apparatus. While the scanner module passes over the lower side of a document guide provided between a first glass and a second glass provided at the document holder, spacers installed at opposite ends of the scanner module are moved downward by guide members provided at the document guide, thereby preventing spacer portions provided at an upper end of the respective spacers from being caught by the document guide.

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Номер записи: 92
08-06-2017 дата публикации

PHOTOELECTRIC TRANSDUCER, IMAGE READING DEVICE, IMAGE FORMING APPARATUS, AND IMAGE READING METHOD

Номер: US20170163836A1
Автор: Nakazawa Masamoto
Принадлежит:

A photoelectric transducer includes: a plurality of pixels arranged in one direction for each of colors of light to be received, and configured such that light is converted into an electrical signal in each of the plurality of pixels; a parallel processor configured to perform parallel processing on a plurality of electrical signals obtained through conversion in the pixels in synchronization with a spread-spectrum clock for each of pixel groups, each of the pixel groups including a predetermined number of pixels; and a corrector configured to correct an offset level of each of the plurality of electrical signals having undergone the parallel processing performed by the parallel processor, using one of values, each of the values being common within one of the pixel groups. 1. A photoelectric transducer comprising:a plurality of pixels arranged in one direction for each of colors of light to be received, and configured such that light is converted into an electrical signal in each of the plurality of pixels;a parallel processor configured to perform parallel processing on a plurality of electrical signals obtained through conversion in the pixels in synchronization with a spread-spectrum clock for each of pixel groups, each of the pixel groups including a predetermined number of pixels; anda corrector configured to correct an offset level of each of the plurality of electrical signals having undergone the parallel processing performed by the parallel processor, using one of values, each of the values being common within one of the pixel groups.2. The photoelectric transducer according to claim 1 , wherein each of the pixel groups includes a plurality of pixels configured to receive light of a same color.3. The photoelectric transducer according to claim 1 , further comprisinga controller configured to control timing of the parallel processor performing parallel processing in synchronization with the spread-spectrum clock, whereinthe controller is configured to align ...

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Номер записи: 93
18-06-2015 дата публикации

Method for reducing image artefacts

Номер: US20150172612A1
Автор: Peter Nissen, Poul Overgaard
Принадлежит: Contex AS

Disclosed is a method of processing data from an image scanner for reducing image artefacts. The image scanner comprises a first image sensor arranged to: record a first set of lines, the first set of lines comprising a plurality of pixels representing recorded intensities of a first colour, record a second set of lines, the second set of lines comprising a plurality of pixels representing recorded intensities of a second colour; and record a third set of lines, the third set of lines comprising a plurality of pixels representing recorded intensities of a third colour. The method comprises the steps of: processing at least two of the first, the second or the third set of lines to create a first combined set of lines and filtering said first combined set of lines to filter out image artefacts creating a first filtered combined set of lines.

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Номер записи: 94
16-06-2016 дата публикации

PHOTOELECTRIC CONVERSION ELEMENT, IMAGE READING DEVICE, IMAGE FORMING APPARATUS, AND PHOTOELECTRIC CONVERSION METHOD

Номер: US20160173719A1
Автор: Hashimoto Hideki, Nakazawa Masamoto
Принадлежит:

Multiple photodetectors that photoelectric convert incident light to output a pixel signal; multiple analog/digital (A/D) convertors that A/D convert a plurality of pixel signals that are output by the photodetectors in parallel in a plurality of systems; a retaining unit that retains the pixel signals A/D converted in parallel by the A/D convertors in an aligned manner in one direction, to be arranged in reading order from a first pixel signal to a final pixel signal; and multiple transfer units that transfer the pixel signals arranged and retained by the retaining unit, sequentially from the first pixel signal from a first-pixel-signal retaining position toward a final-pixel signal retaining position of the retaining unit are included. 1. A photoelectric conversion element comprising:a plurality of photodetectors that are aligned in one direction, and that photoelectric convert incident light to output a pixel signal;a plurality of analog/digital (A/D) convertors that A/D convert a plurality of pixel signals that are output by the photodetectors in parallel in a plurality of systems;a retaining unit that retains the pixel signals A/D converted in parallel by the A/D convertors in an aligned manner in one direction, to be arranged in reading order from a first pixel signal to a final pixel signal; anda plurality of transfer units that transfer the pixel signals arranged and retained by the retaining unit, sequentially from the first pixel signal from a first-pixel-signal retaining position toward a final-pixel signal retaining position of the retaining unit.2. The photoelectric conversion element according to claim 1 , further comprisingan output unit that outputs the pixel signals transferred by the transfer units to an external, whereinthe output unit is arranged on a side of the final-pixel-signal retaining position of the retaining unit.3. The photoelectric conversion element according to claim 1 , whereinthe retaining unit is a first shift register, andthe ...

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Номер записи: 95
18-09-2014 дата публикации

Transmission device for automatic document feeder

Номер: US20140260739A1
Автор: I Chuan Hong, Jing Hua Fang, LUNG Chen, Ting Yu Lu, Tsung Ching Chou, Wen Ching Liao
Принадлежит: Foxlink Image Technology Co Ltd

A transmission device for an automatic document feeder includes a driving gear set driven by a driving motor, a first swing arm equipped with a first driving roller set, a second swing arm equipped with a second driving roller set, and a one-way gear set driven by the driving gear set to keep transmitting rollers rotating in the same direction. The first swing arm is driven by the driving gear set and swingable between a first position and a second position to mesh the first driving roller set with a pickup device or an output device. The second swing arm is driven by the driving gear set and swingable between a third position and a fourth position to mesh the second driving roller set with the pickup device or the output device. When the first swing arm swings toward the first/second position, the second arm swings toward the fourth/third position.

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Номер записи: 96
21-05-2020 дата публикации

Germanium-silicon light sensing apparatus ii

Номер: US20200161364A1
Автор: Che-Fu Liang, Chien-Lung Chen, Chung-Chih Lin, Han-Din Liu, Hui-Wen Chen, Kuan-Chen Chu, Shu-Lu Chen, Szu-Lin Cheng, Yuan-Fu LYU, YUN-CHUNG Na
Принадлежит: Artilux Inc USA

A circuit that includes: a photodiode configured to absorb photons and to generate photo-carriers from the absorbed photons; a first MOSFET transistor that includes: a first channel terminal coupled to a first terminal of the photodiode and configured to collect a portion of the photo-carriers generated by the photodiode; a second channel terminal; and a gate terminal coupled to a first control voltage source; a first readout circuit configured to output a first readout voltage; a second readout circuit configured to output a second readout voltage; and a current-steering circuit configured to steer the photo-carriers generated by the photodiode to one or both of the first readout circuit and the second readout circuit.

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Номер записи: 97
25-06-2015 дата публикации

Method and apparatus for scanning through a display screen

Номер: US20150181059A1
Автор: HU Darwin
Принадлежит:

Scanners built in display devices that can be controlled to have a moment of see-through either entirely or on a specified portion are described. During the see-through moment, a scanning object (e.g., a currency bill) placed against the display is scanned, hence on-screen scanner. An exemplary such display device is a Liquid Crystal Display (LCD). Without affecting the display functions of an LCD device, an image sensing module is provided with light sources. By controlling the liquid crystals in the LCD unit, the reflected light from an object placed against the LCD device to be imaged is projected onto an image sensor (or array) to generate an image of the object. 1. A display device comprising;a display unit;an image sensing module behind the display unit, the image sensing module including an array of photosensors; anda set of different lighting sources to illuminate a scanning object being placed against the display unit through the display unit, wherein the display unit is driven to have a moment of see-through, and the different lighting sources are turned on successively for the photosensors to generate corresponding colored images.2. The display device as recited in claim 1 , wherein the different lighting sources includes at least three primary colored lights to generate a color image for reproducing colors in the scanning object.3. The display device as recited in claim 2 , wherein the different lighting sources includes at least a special light to reveal certain marks in the scanning object when the special light is turned on claim 2 , these marks are not meant visible under a normal lighting.4. The display device as recited in claim 3 , wherein the array of photosensors generate a special-effect color image of these marks.5. The display device as recited in claim 4 , wherein the special light is related to infrared or ultraviolet.6. The display device as recited in claim 1 , further comprising a control module to define a scanning region smaller than a ...

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Номер записи: 98
06-06-2019 дата публикации

IMAGE FORMING APPARATUS

Номер: US20190171129A1
Автор: Takeda Shoji
Принадлежит:

An image forming apparatus includes a photosensitive member, a light source, a deflecting unit, a storing unit, a correcting unit, and a light source driving portion. Magnification correction data is determined using a quadratic function of a variable representing a scanning position with respect to a scanning direction. Coefficients of two quadratic functions corresponding to adjacent two regions included in a plurality of scanning regions are set so that a differential value calculated at the variable corresponding to a boundary of the two regions by a differential of the quadratic function for one region and a differential value calculated at the variable corresponding to the boundary of the two regions by a differential of the quadratic function for the other region are equal to each other. 1. An image forming apparatus comprising:a photosensitive member;a light source configured to emit a light beam;a deflecting unit configured to deflect the light beam so that said photosensitive member is scanned with the light beam emitted from said light source;a storing unit configured to store magnification correction data set for each of a plurality of different scanning regions on said photosensitive member with respect to a scanning direction of the light beam;a correcting unit configured to correct, on the basis of the magnification correction data stored in said storing unit, image data for each of scanning positions included in a region corresponding to the magnification correction data and configured to output a driving signal on the basis of corrected image data; anda light source driving portion configured to drive said light source with the driving signal,wherein the magnification correction data is determined using a quadratic function of a variable representing the scanning position with respect to the scanning direction,wherein a result of an operation performed by the quadratic function represents a correction amount for correcting a magnification of a pixel ...

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Номер записи: 99
21-06-2018 дата публикации

IMAGE READING DEVICE THAT READS DOCUMENT IMAGE

Номер: US20180176395A1
Автор: KUROTSU Yoshihiko, TOKONAMI Minoru
Принадлежит: KYOCERA Document Solutions Inc.

An image reading device includes a contact plate, a frame, a carriage, and a flexible flat cable. The carriage includes a reading mechanism and a resin-made slider projectedly provided at both end portions of the reading mechanism in its extending direction, and reciprocally moves in a sub-scanning direction at a bottom surface side of the contact plate while the slider slides the bottom surface of the contact plate in the frame. The flexible flat cable is connected to an one side surface of the carriage so that a width direction thereof matches the main-scanning direction, is arranged so that a part continued from a portion where the flexible flat cable connects with the one side surface is curved in a U-shape to go around toward an underside of the carriage, and transmits an electric signal of the reading mechanism. The contact plate is applied with a fluorine coating. 1. An image reading device comprising:a contact plate on which a document to be read is placed;a box-shaped frame that supports the contact plate;a carriage that includes a reading mechanism extending in a main-scanning direction and a resin-made slider projectedly provided at both end portions of the reading mechanism in an extending direction thereof and, while the slider slides a bottom surface of the contact plate in the frame, reciprocally moves in a sub-scanning direction at a side of the bottom surface, the bottom surface being an opposite side from a top surface on which the document is placed; anda flexible flat cable that transmits an electric signal of the reading mechanism, the flexible flat cable being connected to an one side surface of the carriage so that a width direction thereof matches the main-scanning direction, and being arranged so that a part continued from a portion where the flexible flat cable connects with the one side surface is curved in a U-shape to go around toward an underside of the carriage,wherein the bottom surface of the contact plate is applied with a fluorine ...

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Номер записи: 100