Liquid Ejector and Method for Ejecting Liquid

A liquid discharge apparatus that is capable of setting a proper deflection amount for deflecting an ink discharge direction even when the distance between the ink discharge surface and the ink landing surface of print paper varies and method of using same. The liquid discharge apparatus includes a head in which a plurality of nozzle-incorporated ink discharge sections are arrayed, discharge direction deflection means for deflecting the discharge direction of an ink discharged from a nozzle of each ink discharge section in the direction of ink discharge section arrangement, distance detection means for detecting the distance between the ink discharge surface of the head and the ink landing surface of print paper, and discharge deflection amount determination means for determining the ink discharge deflection amount (discharge angle) to be provided by the discharge direction deflection means in accordance with the results of detection by the distance detection means.

Apparatus and method for driving recording head for ink-jet printer

Printing apparatus, method and program for inner peripheral printing of rotatably driven media

A printing apparatus includes a printing unit for printing visual information on a non-recording surface of a rotatably driven recording medium by discharging ink droplets. A control unit controls movement of the printing unit in a radial direction of the recording medium, and discharge timing of the ink droplets. The printing unit prints the visual information by multi-path printing by printing on a same radius position of the non-recording surface by discharging ink from different ink discharge nozzles. The control unit controls the printing unit so as to print with a first printing pattern having a first number of paths and a second printing pattern having a second number of paths. The first printing pattern is used on other locations of the non-recording surface and the second printing pattern is used when printing on an innermost periphery region of the non-recording surface.

Ejection control device, liquid ejecting device, liquid ejecting method, and recording medium and program used therewith

A liquid ejecting device includes an ejection pattern storage unit and a read-address shifting unit. In the ejection pattern storage unit, ejection patterns corresponding to grayscale data items, each data item representing a grayscale by using the number of droplets to be delivered to pixel regions, are stored so as to be associated with the pixel regions. In each ejection period of droplets, the read-address shifting unit shifts read addresses to be supplied to the ejection pattern storage unit in response to the deflecting direction of each of ejecting outlets.

LIQUID EJECTION HEAD, LIQUID EJECTION APPARATUS, AND MANUFACTURING METHOD OF LIQUID EJECTION HEAD

A liquid ejection head includes an energy-generating element arranged on a semiconductor substrate, a barrier layer deposited on the semiconductor substrate for forming a liquid chamber in the periphery of the energy-generating element, and a nozzle sheet bonded on the barrier layer and having a nozzle formed at a position opposing the energy-generating element, in which the liquid ejection head ejects liquid contained in the liquid chamber from the nozzle as liquid droplets by the energy-generating element, and the barrier layer is provided with a plurality of depressions, each having an independent contour, arranged within a range, which is separated from the border of the barrier layer, on an adhesive region adhering to the nozzle sheet.

Optical disc recording device, data recording method, and data recording program

An optical disc recording device includes: an optical disc device to record optical recording data onto an optical disc; a recording data assigning unit to divide a recording region on the optical disc into multiple divisions, part as a data region, assign optical recording data thereto; a redundancy data calculating unit to calculate redundancy data for restoring recorded data; a redundancy data assigning unit to take divided regions other than the data region as a redundancy region, and assign the corresponding redundancy data thereto; a recording/playing device having a recording capacity greater than the data region; and a recording control unit configured to record optical recording data in the data region and also at least a part thereof in the recording/playing device, cause the recording/playing device to play the optical recording data recorded therein at the time of calculating redundancy data, and record calculated redundancy data in the redundancy region.

Optical disk device and rotation control method

An optical disk device of the present invention includes a spindle motor, an optical pick-up, and a rotation control portion. The spindle motor is a rotational drive portion that rotates an optical disk, on an information recording surface of which a plurality of addresses are recorded. The optical pick-up records an information signal onto and plays back the information signal from the information recording surface of the optical disk that is rotated by the spindle motor. The rotation control portion controls the rotation of the optical disk by the spindle motor. In this case, the rotation control portion performs control based on a first reference signal that can be read off the optical disk, such that the optical disk is rotated at a speed that is based on a specified clock count.

Liquid discharge apparatus and method for discharging liquid

The liquid discharge apparatus includes a head having liquid dischargers capable of deflecting the trajectories of discharged droplets in a plurality of directions. At least two of the liquid dischargers neighboring each other are capable of discharging droplets in the same pixel area. When there is a shut-off liquid discharge due to droplet discharge failure, this information is stored. According to the stored information, the discharge signal corresponding to the droplets the shut-off discharger were supposed to discharge is transferred to another liquid discharger in the vicinity of the shut-off discharger. This other liquid discharger alternatively discharges droplets so that the droplets land in a position the droplets would have had landed if they were discharged by the shut-off discharger.

Printing device, printing method, and program

A printing device includes a controlling section that converts visible information, expressed using biaxial orthogonal coordinate data, into polar coordinate data, and binarizes the polar coordinate data to generate binarized polar coordinate data. Next, the controlling section performs landing position correction on the binarized polar coordinate data, and generates ink discharge data in which displacements of landing positions of ink drops, caused by the order in which the ink drops are discharged from discharge nozzles, are corrected.

Apparatus and method for discharging liquid

The present invention provides an apparatus for discharging liquid in which nozzles ( 31 ) allocated to head chips ( 25 ) are so arranged as to overlap at parts of adjacent head chips ( 25 ), and the distance L_s between nozzles of adjacent head chips of the same color is set to be even number pitches, while the distance L_d between nozzles of head chips of different color is set to be even number pitches. Thus, tiling part can be printed in the hound's tooth manner in driving line heads employing tiling which has overlapped parts formed therein under time division drive. The problem that coloring of superposed colors at overlapped parts becomes different from that at non-overlapped parts can be prevented.

Liquid ejection head, liquid ejection apparatus, and manufacturing method of liquid ejection head

A liquid ejection head includes an energy-generating element arranged on a semiconductor substrate, a barrier layer deposited on the semiconductor substrate for forming a liquid chamber in the periphery of the energy-generating element, and a nozzle sheet bonded on the barrier layer and having a nozzle formed at a position opposing the energy-generating element, in which the liquid ejection head ejects liquid contained in the liquid chamber from the nozzle as liquid droplets by the energy-generating element, and the barrier layer is provided with a plurality of depressions, each having an independent contour, arranged within a range, which is separated from the border of the barrier layer, on an adhesive region adhering to the nozzle sheet.

Ejection control device, liquid ejecting device, liquid ejecting method, and recording medium and program used therewith

A liquid ejecting device includes an ejection pattern storage unit and a read-address shifting unit. In the ejection pattern storage unit, ejection patterns corresponding to grayscale data items, each data item representing a grayscale by using the number of droplets to be delivered to pixel regions, are stored so as to be associated with the pixel regions. In each ejection period of droplets, the read-address shifting unit shifts read addresses to be supplied to the ejection pattern storage unit in response to the deflecting direction of each of ejecting outlets.

Liquid ejector and liquid ejecting method

The present invention is directed to a liquid discharge apparatus adapted for discharging inks from discharge holes, which comprises a control unit (68) for controlling a discharge control unit (63), wherein the control unit controls the discharge control unit in such a manner that pulse current delivered to one of a pair of heating resistors (42a), (42b) is caused to be reference, and pulse current is delivered to the other heating resistor in the state where timing is shifted in a time of the range within 20% of supply time of pulse current serving as reference with respect to supply timing of pulse current serving as reference. Thus, it is possible to suppress unevenness or variation of impact positions of ink droplets discharged in the state where discharge direction has been changed. As a result, deterioration of picture quality resulting from color tone unevenness and/or white stripe, etc. is prevented. Thus, print operation can be performed at excellent picture quality.

PRINTING APPARATUS, PRINTING METHOD, AND PROGRAM

A print head which includes at least two discharge nozzle lines arranged on at least two lines, out of a base line corresponding to a radial direction of the rotating print object and at least one offset lines parallel to the base line, discharges ink drops of the same color from discharge nozzles of the discharge nozzle lines, moves the print head so as to minutely move the discharge nozzle lines on the base line or the offset lines, and discharges ink drops of the same color from the discharge nozzles passing through second paths moved minutely from the first paths over the rotating print object. In this way, the ink drops are discharged on the area where print defects are caused because the area is not on the paths of the discharge nozzles before the discharge nozzles are minutely moved.

Liquid ejector and method for ejecting liquid

Disclosed is a liquid discharge apparatus that is capable of setting a proper deflection amount for deflecting an ink discharge direction even when the distance between the ink discharge surface and the ink landing surface of print paper varies. The liquid discharge apparatus includes a head ( 11 ) in which a plurality of nozzle-incorporated ink discharge sections are arrayed, discharge direction deflection means for deflecting the discharge direction of an ink discharged from a nozzle of each ink discharge section in the direction of ink discharge section arrangement, distance detection means for detecting the distance (L 1 ) and (L 2 ) between the ink discharge surface of the head ( 11 ) and the ink landing surface of print paper (P 1 ) and (P 2 ), and discharge deflection amount determination means for determining the ink discharge deflection amount (discharge angle α and β) to be provided by the discharge direction deflection means in accordance with the results of detection by the distance detection means.

Liquid emitting apparatus and method

Disclosed is a liquid emitting apparatus for emitting a liquid pressurized by a pressure generated by a pressure generating element is emitted as liquid droplets onto a support. A controller (68) controls an emission controller (63) so that the current value of the pulse current supplied to a heating resistor (42a) will have a current value difference within ±10% with respect to the current value of the pulse current supplied to a heating resistor (42b). By so doing, variations in the position of deposition of an ink droplet i emitted with variable emitting directions may be suppressed to enable printing to a high-quality image in which deterioration in the image quality variations ascribable to color time variations or white streaks is prohibited.

Liquid ejection head, liquid ejection apparatus, and manufacturing method of liquid ejection head

A liquid ejection head includes an energy-generating element arranged on a semiconductor substrate, a barrier layer deposited on the semiconductor substrate for forming a liquid chamber in the periphery of the energy-generating element, and a nozzle sheet bonded on the barrier layer and having a nozzle formed at a position opposing the energy-generating element, in which the liquid ejection head ejects liquid contained in the liquid chamber from the nozzle as liquid droplets by the energy-generating element, and the barrier layer is provided with a plurality of depressions, each having an independent contour, arranged within a range, which is separated from the border of the barrier layer, on an adhesive region adhering to the nozzle sheet.

Liquid ejector and method for ejecting liquid

A liquid discharge apparatus that is capable of setting a proper deflection amount for deflecting an ink discharge direction even when the distance between the ink discharge surface and the ink landing surface of print paper varies and method of using same. The liquid discharge apparatus includes a head in which a plurality of nozzle-incorporated ink discharge sections are arrayed, discharge direction deflection means for deflecting the discharge direction of an ink discharged from a nozzle of each ink discharge section in the direction of ink discharge section arrangement, distance detection means for detecting the distance between the ink discharge surface of the head and the ink landing surface of print paper, and discharge deflection amount determination means for determining the ink discharge deflection amount (discharge angle) to be provided by the discharge direction deflection means in accordance with the results of detection by the distance detection means.

DISC DEVICE

According to the present invention, provided is a disc device including a disc mounting unit having a mounting surface, on which a disc-like recording medium is mounted; a print head for discharging ink towards a label surface of the disc-like recording medium mounted on the disc mounting unit; and a mist inducing unit for inducing the ink discharged from the print head when applied with a predetermined voltage.

Liquid Ejector and Method for Ejecting Liquid

A liquid discharge apparatus that is capable of setting a proper deflection amount for deflecting an ink discharge direction even when the distance between the ink discharge surface and the ink landing surface of print paper varies and method of using same. The liquid discharge apparatus includes a head in which a plurality of nozzle-incorporated ink discharge sections are arrayed, discharge direction deflection means for deflecting the discharge direction of an ink discharged from a nozzle of each ink discharge section in the direction of ink discharge section arrangement, distance detection means for detecting the distance between the ink discharge surface of the head and the ink landing surface of print paper and discharge deflection amount determination means for determining the ink discharge deflection amount (discharge angle) to be provided by the discharge direction deflection means in accordance with the results of detection by the distance detection means.

Ink-jet printer

The present invention provides an ink-jet printer having high resolution and image quality, low power consumption, low cost and containing line heads. The ink-jet printer emits droplets of ink arriving as ink dots forming images and letters recorded onto a recording medium from a line head having a plurality of nozzles arrayed in the width direction of the recording medium which is almost perpendicular to the feed direction of the recording medium, and the printer comprises head chips having a specified number of nozzles and a drive circuit to drive each nozzle, in which a plurality of the head chips are arrayed in the width direction thereof to form the line head so that the nozzles each head chip has and part of the nozzles the neighboring head chips have are arrayed in the feed direction of the recording medium, the nozzles each head chip has are sequentially time-series driven by separate driving, and the number of the nozzles each head chip has is the number of part of the nozzles ...

Disc drive with rotational driving and optical pickup

Disclosed is a disc drive apparatus. The disc drive apparatus includes a rotational driving unit rotating a disc-shaped recording medium having a plurality of addresses recorded on an information recording surface of the disc-shaped recording medium; an optical pickup recording and/or reproducing an information signal on the information recording surface of the disc-shaped recording medium rotated by the rotational driving unit; and a control unit controlling rotation of the disc-shaped recording medium via the rotational driving unit. In the disc drive apparatus, the control unit carries out a disc constant velocity rotating processing that sets a predetermined address out of the plurality of addresses as a constant velocity rotation address and continuously reproduces the constant velocity rotation address using the optical pickup.

Liquid Ejector and Method for Ejecting Liquid

A liquid discharge apparatus that is capable of setting a proper deflection amount for deflecting an ink discharge direction even when the distance between the ink discharge surface and the ink landing surface of print paper varies and method of using same. The liquid discharge apparatus includes a head in which a plurality of nozzle-incorporated ink discharge sections are arrayed, discharge direction deflection means for deflecting the discharge direction of an ink discharged from a nozzle of each ink discharge section in the direction of ink discharge section arrangement, distance detection means for detecting the distance between the ink discharge surface of the head and the ink landing surface of print paper, and discharge deflection amount determination means for determining the ink discharge deflection amount (discharge angle) to be provided by the discharge direction deflection means in accordance with the results of detection by the distance detection means.

Method for driving recording head, recording head, and ink jet printer

An ink jet printer has a line head having heating elements ( 121 d) for ejecting ink droplets from nozzles, in which the plurality of heating elements ( 121 d) are arrayed in a direction substantially perpendicular to the paper feed direction. In the line head, the plurality of heating elements ( 121 d) are divided into a plurality of blocks, with each block consisting of a predetermined number of spatially arrayed heating elements of the plurality of heating elements ( 121 d) corresponding to the plurality of nozzles, and a phase signal PH is sequentially supplied to a set of heating elements ( 121 d) simultaneously driven over the respective blocks, thus sequentially driving the respective heating elements ( 121 d) by each set as a unit in a time-divisional manner. Thus, the ink jet printer can reduce the positional shift of dots on the paper and can reduce the instantaneous maximum dissipation power in time-division drive.

Disc recording and/or reproducing apparatus and mist adsorbing method of the disc recording and/or reproducing apparatus

A disc recording and/or reproducing apparatus includes a disc mounting unit to which a disc recording medium is removably mounted, the disc mounting unit rotating the disc recording medium; a print head which discharges an ink drop towards a label surface of the disc recording medium that is rotationally driven by the disc mounting unit; and a mist attracting unit which, by applying a voltage, attracts mist of the ink drop discharged from the print head, the mist attracting unit provided near the disc recording medium mounted to the disc mounting unit.

PRINTING DEVICE, PRINTING METHOD, AND PROGRAM

A printing device includes a controlling section that converts visible information, expressed using biaxial orthogonal coordinate data, into polar coordinate data, and binarizes the polar coordinate data to generate binarized polar coordinate data. Next, the controlling section performs landing position correction on the binarized polar coordinate data, and generates ink discharge data in which displacements of landing positions of ink drops, caused by the order in which the ink drops are discharged from discharge nozzles, are corrected.

Liquid ejection apparatus and liquid ejection method

Even when ejection characteristics of ink droplets are dispersed between unit heads and when arrangement accuracies of unit heads are dispersed, stripe unevenness is alleviated by correction corresponding to each unit head. In a liquid ejection apparatus having a line head (10) arranged by juxtaposing a plurality of (unit) heads (11) of liquid ejection parts so as to connect the head (11) to the adjacent head (11), the liquid ejection apparatus includes ejection direction changing means for enabling the ejection direction of liquid droplets ejected from a nozzle of each liquid ejection part to change in a plurality of directions in the arranging direction of liquid ejection parts and reference direction setting means for individually setting one reference principal direction for each head (11) among a plurality of ejection directions of liquid droplets by the ejection direction changing means. In the (N−1)th and the (N+1)th head 11, the third ejection direction from the left is established ...

Liquid ejection head, liquid ejection apparatus, and manufacturing method of liquid ejection head

A liquid ejection head includes an energy-generating element arranged on a semiconductor substrate, a barrier layer deposited on the semiconductor substrate for forming a liquid chamber in the periphery of the energy-generating element, and a nozzle sheet bonded on the barrier layer and having a nozzle formed at a position opposing the energy-generating element, in which the liquid ejection head ejects liquid contained in the liquid chamber from the nozzle as liquid droplets by the energy-generating element, and the barrier layer is provided with a plurality of depressions, each having an independent contour, arranged within a range, which is separated from the border of the barrier layer, on an adhesive region adhering to the nozzle sheet.

Printer and printer head

The present invention relates to a printer and printer head, and more particularly, to an ink-jet method printer for preventing quality deterioration of the print result caused by head chips having irregular characteristics. In the present invention, as viewed from the direction of feeding a print object, the nozzles 31 allocated to the head chip 25 are placed so as to partly overlap the adjacent head chips 25. Furthermore, as many nozzles as necessary for a plurality of head chips are formed on one nozzle plate, on which head chips are placed to form a printer head.

Liquid ejecting head, liquid ejecting device, and liquid ejecting method

The present invention relates to a liquid ejecting head and a liquid ejecting device including a driving circuit with which the number of control signal lines for grouping and dividing a plurality of liquid ejecting mechanisms into a plurality of blocks and dividedly driving the groups of liquid ejecting mechanisms concurrently is reduced, and to a liquid ejecting method by the driving circuit. The driving circuit ( 19 ) includes a phase generating circuit (a phase counter 30 and decoders 31 ) for generating phase signals for dividedly driving the groups of liquid ejecting mechanisms, and a serial/parallel converting circuit ( 32 ) for parallel converting and serially transferring data for dividedly driving the groups of liquid ejecting mechanisms.

Ejection control device, liquid-ejecting apparatus, ejection control method, recording medium, and program

An ejection control device includes a memory for storing a correspondence table between gray-scale data items and ejection pattern data items, each gray-scale data item determining the number of droplets to be ejected to a corresponding pixel so as to express a desired gray-scale level of the pixel, each ejection pattern data item determining the ejection timing of droplets; and a converter for converting each gray-scale data item of the corresponding pixel to the corresponding ejection pattern data item by referring to the table. In the table, the setting of the ejecting position can be freely adjusted. In particular, an ejection pattern having ejection data bits discretely distributed for one pixel range can be easily achieved. Moreover, compliance with system changes can be achieved simply by rewriting the table.

Recording head driving method, recording head, ink-jet printer

An ink jet printer has a line head having heating elements (121d) for ejecting ink droplets from nozzles, in which the plurality of heating elements (121d) are arrayed in a direction substantially perpendicular to the paper feed direction. In the line head, the plurality of heating elements (121d) are divided into a plurality of blocks, with each block consisting of a predetermined number of spatially arrayed heating elements of the plurality of heating elements (121d) corresponding to the plurality of nozzles, and a phase signal PH is sequentially supplied to a set of heating elements (121d) simultaneously driven over the respective blocks, thus sequentially driving the respective heating elements (121d) by each set as a unit in a time-divisional manner. Thus, the ink jet printer can reduce the positional shift of dots on the paper and can reduce the instantaneous maximum dissipation power in time-division drive.

Optical disk apparatus and emission control method

An optical disk apparatus according to the present invention includes a spindle motor that rotates an optical disk on whose information recording surface a plurality of addresses is recorded, an optical pickup that records/reproduces an information signal on/from the information recording surface of the optical disk rotated by the spindle motor, an strobe light-emitting unit that irradiates a label surface of the optical disk with light, and a control unit that causes the strobe light-emitting unit to emit light based on an address selected from the plurality of addresses as a reference address and a reference signal readable from the optical disk.

Print method, print apparatus, and recording medium driving apparatus

A print method that prints visible information by ejecting ink droplets from a print head onto a printed object rotated by a rotational driving unit is provided. The print method includes the steps of: carrying out impact position correction that corrects displacements in impact positions of the ink droplets to convert the visible information to impact position-corrected polar coordinate data when converting the visible information from biaxial perpendicular coordinate data to polar coordinate data; generating ink ejection data based on the impact position-corrected polar coordinate data; and printing the visible information by ejecting the ink droplets onto the printed object based on the ink ejection data.

Liquid ejection head, liquid ejector and method for ejecting liquid

The present invention relates to a liquid ejecting head and a liquid ejecting device including a driving circuit with which the number of control signal lines for grouping and dividing a plurality of liquid ejecting mechanisms into a plurality of blocks and dividedly driving the groups of liquid ejecting mechanisms concurrently is reduced, and to a liquid ejecting method by the driving circuit. The driving circuit (19) includes a phase generating circuit (a phase counter 30 and decoders 31) for generating phase signals for dividedly driving the groups of liquid ejecting mechanisms, and a serial/parallel converting circuit (32) for parallel converting and serially transferring data for dividedly driving the groups of liquid ejecting mechanisms.

Liquid discharge device and liquid discharge method

With a liquid discharge device, a maximum of N liquid droplets are discharged so as to land within each pixel region for forming a pixel corresponding to the pixel region, a target landing position is selected at random for each liquid droplet, from M liquid landing position candidates, forming an array in the direction of an array of nozzles, determined such that at least a part of the landing liquid droplet region corresponding to each landing position candidate is included within the pixel region, and the discharge direction of the liquid droplet is controlled such that the liquid droplet lands at the determined target landing position. The liquid discharge device having such a configuration has the advantage of preventing occurrence of streaks between dot columns in a printed image due to irregularities in an array of discharge portions.

Disc drive apparatus and disc printing method

A disc drive apparatus includes: a rotational driving unit rotating a disc-shaped recording medium; a recording and/or reproducing unit recording and/or reproducing an information signal on the information recording surface of the disc-shaped recording medium; a print head printing visible information onto a label surface of the disc-shaped recording medium; and a pulse signal generating unit detecting rotation of the rotational driving unit and generating a pulse signal. Further, the apparatus includes a signal processing unit generating a specified address signal where a pulse is generated when a specified address on the disc-shaped recording medium is reproduced; and a control unit carrying out, based on the pulse signal and the specified address signal, disc correlating processing correlating a disc base position where the specified address is recorded on the disc-shaped recording medium and the pulse signal to obtain position information for the disc-shaped recording medium from the ...

Method of driving print head in ink jet printer and ink jet printer

An ink jet printer ( 100 ) ejects ink drops from a plurality of nozzles and drops the ink drops on paper P, thus recording information including a character and/or an image in the form of dots based on the ink drops. The ink jet printer ( 100 ) has a line head ( 120 ) having a driving element for ejecting ink drops from the nozzles. The ink jet printer ( 100 ) causes the line head ( 120 ) to scan the same portion on the paper P only once in one print and drives the line head ( 120 ) to modulate the diameter of a dot by the number of ink drops, using one or a plurality of ink drops for forming one dot.

Liquid discharge apparatus and method for discharging liquid

A liquid discharge apparatus having heads with liquid dischargers including nozzles aligned in parallel in a row. Each liquid discharger has a main controlling unit for discharging ink droplets from the nozzles of the liquid discharger, a secondary controlling unit for controlling the discharge of a droplet so that the droplet is discharged along at least one trajectory different from the trajectories of the droplets discharged from a liquid discharger controlled by the main controlling unit, and a secondary-control executing unit for individually setting whether or not the secondary controlling unit for each liquid discharger is operated. The liquid dischargers controlled by the secondary controlling unit discharge ink droplets along different trajectories compared to the ink droplets discharged by other liquid dischargers.

Liquid Discharge Apparatus and Method for Discharging Liquid

The liquid discharge apparatus including a head having liquid dischargers capable of deflecting the trajectories of discharged droplets in a plurality of directions. At least two of the liquid dischargers neighboring each other are capable of discharging droplets in the same pixel area. When there is a shut-off liquid discharge due to droplet discharge failure, this information is stored. According to the stored information, the discharge signal corresponding to the droplets the shut-off discharger were supposed to discharge is transferred to another liquid discharger in the vicinity of the shut-off discharger. This other liquid discharger alternatively discharges droplets so that the droplets land in a position the droplets would have had landed if they were discharged by the shut-off discharger.

Liquid discharger and liquid discharge adjustment method

Since the pulse currents supplied to a pair of heating resistors can be controlled at once based on a color signal from a color tone detector, the discharge angle of ink droplets can be easily adjusted to an angle that provides a predetermined color tone.

Printer and printer head

A printer head with overlapping nozzles. A plurality of head chips are formed in an array pattern on the printer head wherein a plurality of nozzles are associated with each head chip. Nozzles associated with one head chip and nozzles associated with an adjacent head chip partly overlap to form an overlapped area. When an ink-ejecting mechanism drives across a print object, the nozzles of the one head chip and the nozzles of the adjacent head chip respectively eject inks which are mixed in the overlapped area to reduce dot density differences on the print object.

Liquid ejection head, liquid ejection apparatus, and manufacturing method of liquid ejection head

A liquid ejection head includes an energy-generating element arranged on a semiconductor substrate, a barrier layer deposited on the semiconductor substrate for forming a liquid chamber in the periphery of the energy-generating element, and a nozzle sheet bonded on the barrier layer and having a nozzle formed at a position opposing the energy-generating element, in which the liquid ejection head ejects liquid contained in the liquid chamber from the nozzle as liquid droplets by the energy-generating element, and the barrier layer is provided with a plurality of depressions, each having an independent contour, arranged within a range, which is separated from the border of the barrier layer, on an adhesive region adhering to the nozzle sheet.

DISC RECORDING AND/OR REPRODUCING APPARATUS AND MIST ADSORBING METHOD OF THE DISC RECORDING AND/OR REPRODUCING APPARATUS

A disc recording and/or reproducing apparatus includes a disc mounting unit to which a disc recording medium is removably mounted, the disc mounting unit rotating the disc recording medium; a print head which discharges an ink drop towards a label surface of the disc recording medium that is rotationally driven by the disc mounting unit; and a mist attracting unit which, by applying a voltage, attracts mist of the ink drop discharged from the print head, the mist attracting unit provided near the disc recording medium mounted to the disc mounting unit.

Disc drive apparatus

Disclosed is a disc drive apparatus. The disc drive apparatus includes a rotational driving unit rotating a disc-shaped recording medium having a plurality of addresses recorded on an information recording surface of the disc-shaped recording medium; an optical pickup recording and/or reproducing an information signal on the information recording surface of the disc-shaped recording medium rotated by the rotational driving unit; and a control unit controlling rotation of the disc-shaped recording medium via the rotational driving unit. In the disc drive apparatus, the control unit carries out a disc constant velocity rotating processing that sets a predetermined address out of the plurality of addresses as a constant velocity rotation address and continuously reproduces the constant velocity rotation address using the optical pickup.

Liquid ejector and liquid ejecting method

The present invention is directed to a liquid discharge apparatus adapted for discharging inks from discharge holes, which includes a control unit for controlling a discharge control unit, wherein the control unit controls the discharge control unit in such a manner that pulse current delivered to one of a pair of heating resistors is caused to be reference, and pulse current is delivered to the other heating resistor in the state where timing is shifted in a time of the range within 20% of supply time of pulse current serving as reference with respect to supply timing of pulse current serving as reference. Thus, it is possible to suppress unevenness or variation of impact positions of ink droplets discharged in the state where discharge direction has been changed. As a result, deterioration of picture quality resulting from color tone unevenness and/or white stripe, etc. is prevented. Thus, print operation can be performed at excellent picture quality.

Print method, print apparatus, and recording medium driving apparatus

A print method that prints visible information by ejecting ink droplets from a print head onto a printed object rotated by a rotational driving unit is provided. The print method includes the steps of: carrying out impact position correction that corrects displacements in impact positions of the ink droplets to convert the visible information to impact position-corrected polar coordinate data when converting the visible information from biaxial perpendicular coordinate data to polar coordinate data; generating ink ejection data based on the impact position-corrected polar coordinate data; and printing the visible information by ejecting the ink droplets onto the printed object based on the ink ejection data.

PRINTING APPARATUS, PRINTING METHOD AND COMPUTER PROGRAM

There is provided a printing apparatus including a printing unit for printing visual information on a non-recording surface of a rotatably driven recording medium by discharging ink droplets; and a control unit for controlling movement of the printing unit in a radial direction of the rotatably driven recording medium, and controlling a discharge timing of the ink droplets discharged from the printing unit, wherein the printing unit includes a plurality of ink droplet discharge nozzles, arrayed in a line in the radial direction of the recording medium, for discharging ink droplets of different colors by the control of the control unit, and the control unit completes the printing of the visual information by reciprocating the ink droplet discharge nozzles for plural times in the radial direction of the rotatably driven recording medium.

Ink-jet printer and apparatus and method of recording head for ink-jet printer

An ink-jet printer and an apparatus and a method of driving a recording head for an ink-jet printer are provided for faithfully performing various image representations through ink droplet ejection driving signals of different waveforms. Based on a waveform selection signal from a selection controller, a waveform selector selects one of a plurality of drive signals from a drive waveform generator in a time-division manner. The selected signal is supplied to a piezoelectric element of a corresponding nozzle. Control is thereby performed on ink droplet ejection with a drive signal having a temporally varying waveform. The drive signals include a signal having a varying voltage waveform that disables ink droplet ejection in isolation from another waveform. A new composite drive signal waveform is generated by time-divisional selection not only at a point between ejection cycles but also at a point during the ejection cycle.

Liquid ejecting device and liquid ejecting method

In a liquid ejecting device having a head formed by a liquid ejecting portion or liquid ejecting portions arranged in parallel, the direction of ejected liquid is controlled for each liquid ejecting portion. In the head of the liquid ejecting device, heating resistors which are connected in series to one other in a liquid cell are arranged in parallel in a predetermined direction. The liquid ejecting device includes a main operation controller which performs control for ejecting liquid by supplying equal amounts of currents to the connected heating resistors, and a sub operation controller including a current-mirror circuit connected to a junction of heating resistors and its switching element. By using the current-mirror circuit and the switching element to allow a current to flow into or from a junction of the heating resistors, the amounts of currents supplied to the heating resistors are controlled and the direction of ejected liquid is controlled (changed).

Liquid ejector and method for ejecting liquid

A liquid discharge apparatus that is capable of setting a proper deflection amount for deflecting an ink discharge direction even when the distance between the ink discharge surface and the ink landing surface of print paper varies and method of using same. The liquid discharge apparatus includes a head in which a plurality of nozzle-incorporated ink discharge sections are arrayed, discharge direction deflection means for deflecting the discharge direction of an ink discharged from a nozzle of each ink discharge section in the direction of ink discharge section arrangement, distance detection means for detecting the distance between the ink discharge surface of the head and the ink landing surface of print paper, and discharge deflection amount determination means for determining the ink discharge deflection amount (discharge angle) to be provided by the discharge direction deflection means in accordance with the results of detection by the distance detection means.

Ejection control device, liquid ejecting device, liquid ejecting method, and recording medium and program used therewith

A liquid ejecting device includes an ejection pattern storage unit and a read-address shifting unit. In the ejection pattern storage unit, ejection patterns corresponding to grayscale data items, each data item representing a grayscale by using the number of droplets to be delivered to pixel regions, are stored so as to be associated with the pixel regions. In each ejection period of droplets, the read-address shifting unit shifts read addresses to be supplied to the ejection pattern storage unit in response to the deflecting direction of each of ejecting outlets.

Liquid ejector and method for ejecting liquid

A liquid discharge apparatus that is capable of setting a proper deflection amount for deflecting an ink discharge direction even when the distance between the ink discharge surface and the ink landing surface of print paper varies and method of using same. The liquid discharge apparatus includes a head in which a plurality of nozzle-incorporated ink discharge sections are arrayed, discharge direction deflection means for deflecting the discharge direction of an ink discharged from a nozzle of each ink discharge section in the direction of ink discharge section arrangement, distance detection means for detecting the distance between the ink discharge surface of the head and the ink landing surface of print paper, and discharge deflection amount determination means for determining the ink discharge deflection amount (discharge angle) to be provided by the discharge direction deflection means in accordance with the results of detection by the distance detection means.

Printing device and printing method

A printing apparatus includes a head having a plurality of ink discharging portions provided in a juxtaposed linear relationship. A discharging direction of an ink droplet to be discharged from each ink discharging portion can be deflected in a plurality of directions. A printing resolution is determined in response to print data from among a plurality of printing resolutions, and the ink discharging portion from which an ink droplet is to be discharged are selected based on the determined printing resolution. Further, the discharging direction of an ink droplet of each selected ink discharging portion is determined, and a discharge execution signal with which the discharging direction is specified is transmitted to the selected ink discharging portion so that printing is executed with the printing resolution determined in response to the print data from among the plurality of printing resolutions.

Liquid ejection apparatus and liquid ejection method

Even when ejection characteristics of ink droplets are dispersed between unit heads and when arrangement accuracies of unit heads are dispersed, stripe unevenness is alleviated by correction corresponding to each unit head. In a liquid ejection apparatus having a line head (10) arranged by juxtaposing a plurality of (unit) heads (11) of liquid ejection parts so as to connect the head (11) to the adjacent head (11), the liquid ejection apparatus includes ejection direction changing means for enabling the ejection direction of liquid droplets ejected from a nozzle of each liquid ejection part to change in a plurality of directions in the arranging direction of liquid ejection parts and reference direction setting means for individually setting one reference principal direction for each head (11) among a plurality of ejection directions of liquid droplets by the ejection direction changing means. In the (N1)th and the (N+1)th head 11, the third ejection direction from the left is established ...

LIQUID DISCHARGING APPARATUS

A liquid discharging apparatus includes a liquid discharging head having liquid discharging nozzles; a platen that retains a recording sheet; a liquid detection unit which can move between the liquid discharging head and the platen and detects liquid discharge states from the liquid discharging nozzles; and a unit driving mechanism which moves the liquid detection unit, wherein the liquid detection unit moves from a detection start end to a detection termination end at the time of detection of the liquid discharge states, and at the time of movement of the liquid detection unit, liquid discharge operations from nozzle orifices in a certain area located at a certain distance from a detection position are performed ahead of detection by the liquid detection unit, and at the time of detection by the liquid detection unit, a liquid discharge operation from the nozzle orifice that becomes a detection target is performed again.

Liquid discharge apparatus and method for discharging liquid

The liquid discharge apparatus includes a head having liquid dischargers capable of deflecting the trajectories of discharged droplets in a plurality of directions. At least two of the liquid dischargers neighboring each other are capable of discharging droplets in the same pixel area. When there is a shut-off liquid discharge due to droplet discharge failure, this information is stored. According to the stored information, the discharge signal corresponding to the droplets the shut-off discharger were supposed to discharge is transferred to another liquid discharger in the vicinity of the shut-off discharger. This other liquid discharger alternatively discharges droplets so that the droplets land in a position the droplets would have had landed if they were discharged by the shut-off discharger.

Printing apparatus, recording medium drive apparatus, and printing method

A printing apparatus is disclosed. The printing apparatus includes a print head and a print head rotating mechanism. The print head has a discharge portion which discharges printing ink. The print head rotating mechanism causes the print head to rotate in a state where a print target surface of a recording medium having the print target surface and the discharge portion face each other.

Liquid ejecting device and liquid ejecting method

In a liquid ejecting device having a head formed by a liquid ejecting portion or liquid ejecting portions arranged in parallel, the direction of ejected liquid is controlled for each liquid ejecting portion. In the head of the liquid ejecting device, heating resistors which are connected in series to one other in a liquid cell are arranged in parallel in a predetermined direction. The liquid ejecting device includes a main operation controller which performs control for ejecting liquid by supplying equal amounts of currents to the connected heating resistors, and a sub operation controller including a current-mirror circuit connected to a junction of heating resistors and its switching element. By using the current-mirror circuit and the switching element to allow a current to flow into or from a junction of the heating resistors, the amounts of currents supplied to the heating resistors are controlled and the direction of ejected liquid is controlled (changed).

Printer and printer head

A printer head with overlapping nozzles. A plurality of head chips are formed in an array pattern on the printer head wherein a plurality of nozzles are associated with each head chip. Nozzles associated with one head chip and nozzles associated with an adjacent head chip partly overlap to form an overlapped area. When an ink-ejecting mechanism drives across a print object, the nozzles of the one head chip and the nozzles of the adjacent head chip respectively eject inks which are mixed in the overlapped area to reduce dot density differences on the print object.

Printing apparatus, printing method and computer program

There is provided a printing apparatus including a printing unit for printing visual information on a non-recording surface of a rotatably driven recording medium by discharging ink droplets; and a control unit for controlling movement of the printing unit in a radial direction of the rotatably driven recording medium, and controlling a discharge timing of the ink droplets discharged from the printing unit, wherein the printing unit includes a plurality of ink droplet discharge nozzles, arrayed in a line in the radial direction of the recording medium, for discharging ink droplets of different colors by the control of the control unit, and the control unit completes the printing of the visual information by reciprocating the ink droplet discharge nozzles for plural times in the radial direction of the rotatably driven recording medium.

Apparatus and method for driving recording head for ink-jet printer

An ink-jet printer and an apparatus and a method of driving a recording head for an ink-jet printer for suppressing satellite droplets. Two piezoelectric elements are provided for every ink chamber corresponding to each nozzle. Timing of displacement of the piezoelectric elements is adjusted by applying a drive signal for ink droplet ejection to one of the piezoelectric elements and a drive signal for suppressing satellite droplets when a droplet is ejected to the other piezoelectric element. An auxiliary pressure generated by the displacement of the latter piezoelectric element is superimposed on an ejection pressure generated by the displacement of the former piezoelectric element. Trailing of an ink droplet is cut off at an early stage and generation of satellite droplets is suppressed.

Information recording apparatus

An information recording apparatus into which an information recording medium is loaded, in which a label can be printed on a label surface of the loaded information recording medium is disclosed. The apparatus includes: an information recording means positioned on the recording surface side of the information recording medium; a print head positioned on the opposite side of the information recording means and the information recording medium and configured to print a label; and a print head moving means for moving the print head at a position shifted from the rotational center of the information recording medium in parallel with the radial direction of at least in the part of the information recording medium.

Liquid discharge device and liquid discharge method

With a liquid discharge device, a maximum of N liquid droplets are discharged so as to land within each pixel region for forming a pixel corresponding to the pixel region, a target landing position is selected at random for each liquid droplet, from M liquid landing position candidates, forming an array in the direction of an array of nozzles, determined such that at least a part of the landing liquid droplet region corresponding to each landing position candidate is included within the pixel region, and the discharge direction of the liquid droplet is controlled such that the liquid droplet lands at the determined target landing position. The liquid discharge device having such a configuration has the advantage of preventing occurrence of streaks between dot columns in a printed image due to irregularities in an array of discharge portions.

Recording head driving method, recording head, ink-jet printer

An ink jet printer has a line head having heating elements ( 121 d) for ejecting ink droplets from nozzles, in which the plurality of heating elements ( 121 d) are arrayed in a direction substantially perpendicular to the paper feed direction. In the line head, the plurality of heating elements ( 121 d) are divided into a plurality of blocks, with each block consisting of a predetermined number of spatially arrayed heating elements of the plurality of heating elements ( 121 d) corresponding to the plurality of nozzles, and a phase signal PH is sequentially supplied to a set of heating elements ( 121 d) simultaneously driven over the respective blocks, thus sequentially driving the respective heating elements ( 121 d) by each set as a unit in a time-divisional manner. Thus, the ink jet printer can reduce the positional shift of dots on the paper and can reduce the instantaneous maximum dissipation power in time-division drive.

Liquid ejector and method for ejecting liquid

A liquid discharge apparatus that is capable of setting a proper deflection amount for deflecting an ink discharge direction even when the distance between the ink discharge surface and the ink landing surface of print paper varies and method of using same. The liquid discharge apparatus includes a head in which a plurality of nozzle-incorporated ink discharge sections are arrayed, discharge direction deflection means for deflecting the discharge direction of an ink discharged from a nozzle of each ink discharge section in the direction of ink discharge section arrangement, distance detection means for detecting the distance between the ink discharge surface of the head and the ink landing surface of print paper and discharge deflection amount determination means for determining the ink discharge deflection amount (discharge angle) to be provided by the discharge direction deflection means in accordance with the results of detection by the distance detection means.

OPTICAL DISK DEVICE AND ROTATION CONTROL METHOD

An optical disk device of the present invention includes a spindle motor, an optical pick-up, and a rotation control portion. The spindle motor is a rotational drive portion that rotates an optical disk, on an information recording surface of which a plurality of addresses are recorded. The optical pick-up records an information signal onto and plays back the information signal from the information recording surface of the optical disk that is rotated by the spindle motor. The rotation control portion controls the rotation of the optical disk by the spindle motor. In this case, the rotation control portion performs control based on a first reference signal that can be read off the optical disk, such that the optical disk is rotated at a speed that is based on a specified clock count.

Liquid Ejector and Method for Ejecting Liquid

A liquid discharge apparatus that is capable of setting a proper deflection amount for deflecting an ink discharge direction even when the distance between the ink discharge surface and the ink landing surface of print paper varies and method of using same. The liquid discharge apparatus includes a head in which a plurality of nozzle-incorporated ink discharge sections are arrayed, discharge direction deflection means for deflecting the discharge direction of an ink discharged from a nozzle of each ink discharge section in the direction of ink discharge section arrangement, distance detection means for detecting the distance between the ink discharge surface of the head and the ink landing surface of print paper and discharge deflection amount determination means for determining the ink discharge deflection amount (discharge angle) to be provided by the discharge direction deflection means in accordance with the results of detection by the distance detection means.

Liquid ejection apparatus and liquid ejection method

Even when ejection characteristics of ink droplets are dispersed between unit heads and when arrangement accuracies of unit heads are dispersed, stripe unevenness is alleviated by correction corresponding to each unit head. In a liquid ejection apparatus having a line head (10) arranged by juxtaposing a plurality of (unit) heads (11) of liquid ejection parts so as to connect the head (11) to the adjacent head (11), the liquid ejection apparatus includes ejection direction changing means for enabling the ejection direction of liquid droplets ejected from a nozzle of each liquid ejection part to change in a plurality of directions in the arranging direction of liquid ejection parts and reference direction setting means for individually setting one reference principal direction for each head (11) among a plurality of ejection directions of liquid droplets by the ejection direction changing means. In the (N−1)th and the (N+1)th head 11, the third ejection direction from the left is established ...

Liquid discharger and liquid discharge adjustment method

Since the pulse currents supplied to a pair of heating resistors can be controlled at once based on a color signal from a color tone detector, the discharge angle of ink droplets can be easily adjusted to an angle that provides a predetermined color tone.

Method for driving recording head, recording head, and ink jet printer

An ink jet printer has a line head having heating elements (121d) for ejecting ink droplets from nozzles, in which the plurality of heating elements (121d) are arrayed in a direction substantially perpendicular to the paper feed direction. In the line head, the plurality of heating elements (121d) are divided into a plurality of blocks, with each block consisting of a predetermined number of spatially arrayed heating elements of the plurality of heating elements (121d) corresponding to the plurality of nozzles, and a phase signal PH is sequentially supplied to a set of heating elements (121d) simultaneously driven over the respective blocks, thus sequentially driving the respective heating elements (121d) by each set as a unit in a time-divisional manner. Thus, the ink jet printer can reduce the positional shift of dots on the paper and can reduce the instantaneous maximum dissipation power in time-division drive.

Liquid discharge device and liquid discharge method

Disclosed is a liquid emitting apparatus for emitting a liquid pressurized by a pressure generated by a pressure generating element is emitted as liquid droplets onto a support. A controller (68) controls an emission controller (63) so that the current value of the pulse current supplied to a heating resistor (42a) will have a current value difference within ±10% with respect to the current value of the pulse current supplied to a heating resistor (42b). By so doing, variations in the position of deposition of an ink droplet i emitted with variable emitting directions may be suppressed to enable printing to a high-quality image in which deterioration in the image quality variations ascribable to color time variations or white streaks is prohibited.

Liquid ejecting head and printing apparatus

Disclosed is a liquid ejecting head includes a head main body having nozzles facing a spray surface of a rotating member rotationally driven, and ejecting liquid from the nozzles, and a mist capturing unit capturing mist of the liquid ejected from the nozzles. In the liquid ejecting head, the mist capturing unit is formed such that a passage, through which air flows in a predetermined direction over the spray surface while the rotating member is driven to rotate, is formed narrower than a distance between the nozzles and the spray surface.

Printing apparatus, printing method, and program

A print head which includes at least two discharge nozzle lines arranged on at least two lines, out of a base line corresponding to a radial direction of the rotating print object and at least one offset lines parallel to the base line, discharges ink drops of the same color from discharge nozzles of the discharge nozzle lines, moves the print head so as to minutely move the discharge nozzle lines on the base line or the offset lines, and discharges ink drops of the same color from the discharge nozzles passing through second paths moved minutely from the first paths over the rotating print object. In this way, the ink drops are discharged on the area where print defects are caused because the area is not on the paths of the discharge nozzles before the discharge nozzles are minutely moved.

Liquid ejection apparatus and liquid ejection method

Even when ejection characteristics of ink droplets are dispersed between unit heads and when arrangement accuracies of unit heads are dispersed, stripe unevenness is alleviated by correction corresponding to each unit head. In a liquid ejection apparatus having a line head (10) arranged by juxtaposing a plurality of (unit) heads (11) of liquid ejection parts so as to connect the head (11) to the adjacent head (11), the liquid ejection apparatus includes ejection direction changing means for enabling the ejection direction of liquid droplets ejected from a nozzle of each liquid ejection part to change in a plurality of directions in the arranging direction of liquid ejection parts and reference direction setting means for individually setting one reference principal direction for each head (11) among a plurality of ejection directions of liquid droplets by the ejection direction changing means. In the (N−1)th and the (N+1)th head 11, the third ejection direction from the left is established ...

Liquid ejector and method for ejecting liquid

A liquid discharge apparatus that is capable of setting a proper deflection amount for deflecting an ink discharge direction even when the distance between the ink discharge surface and the ink landing surface of print paper varies and method of using same. The liquid discharge apparatus includes a head in which a plurality of nozzle-incorporated ink discharge sections are arrayed, discharge direction deflection means for deflecting the discharge direction of an ink discharged from a nozzle of each ink discharge section in the direction of ink discharge section arrangement, distance detection means for detecting the distance between the ink discharge surface of the head and the ink landing surface of print paper and discharge deflection amount determination means for determining the ink discharge deflection amount (discharge angle) to be provided by the discharge direction deflection means in accordance with the results of detection by the distance detection means.

Ink-jet printer

The present invention provides an ink-jet printer having high resolution and image quality, low power consumption, low cost and containing line heads. The ink-jet printer emits droplets of ink arriving as ink dots forming images and letters recorded onto a recording medium from a line head having a plurality of nozzles arrayed in the width direction of the recording medium which is almost perpendicular to the feed direction of the recording medium, and the printer comprises head chips having a specified number of nozzles and a drive circuit to drive each nozzle, in which a plurality of the head chips are arrayed in the width direction thereof to form the line head so that the nozzles each head chip has and part of the nozzles the neighboring head chips have are arrayed in the feed direction of the recording medium, the nozzles each head chip has are sequentially time-series driven by separate driving, and the number of the nozzles each head chip has is the number of part of the nozzles ...

Liquid discharging device and liquid discharging method

The present invention provides an apparatus for discharging liquid in which nozzles (31) allocated to head chips (25) are so arranged as to overlap at parts of adjacent head chips (25), and the distance Ls between nozzles of adjacent head chips of the same color is set to be even number pitches, while the distance Ld between nozzles of head chips of different color is set to be even number pitches. Thus, tiling part can be printed in the hound's tooth manner in driving line heads employing tiling which has overlapped parts formed therein under time division drive. The problem that coloring of superposed colors at overlapped parts becomes different from that at non-overlapped parts can be prevented.

Liquid discharge apparatus and method for discharging liquid

A liquid discharge apparatus having heads with liquid dischargers including nozzles aligned in parallel in a row. Each liquid discharger has a main controlling unit for discharging ink droplets from the nozzles of the liquid discharger, a secondary controlling unit for controlling the discharge of a droplet so that the droplet is discharged along at least one trajectory different from the trajectories of the droplets discharged from a liquid discharger controlled by the main controlling unit, and a secondary-control executing unit for individually setting whether or not the secondary controlling unit for each liquid discharger is operated. The liquid dischargers controlled by the secondary controlling unit discharge ink droplets along different trajectories compared to the ink droplets discharged by other liquid dischargers.

LIQUID EJECTION HEAD, LIQUID EJECTION APPARATUS, AND MANUFACTURING METHOD OF LIQUID EJECTION HEAD

A liquid ejection head includes an energy-generating element arranged on a semiconductor substrate, a barrier layer deposited on the semiconductor substrate for forming a liquid chamber in the periphery of the energy-generating element, and a nozzle sheet bonded on the barrier layer and having a nozzle formed at a position opposing the energy-generating element, in which the liquid ejection head ejects liquid contained in the liquid chamber from the nozzle as liquid droplets by the energy-generating element, and the barrier layer is provided with a plurality of depressions, each having an independent contour, arranged within a range, which is separated from the border of the barrier layer, on an adhesive region adhering to the nozzle sheet.

Ejection control device, liquid ejecting device, liquid ejecting method, and recording medium and program used therewith

A liquid ejecting device includes an ejection pattern storage unit and a read-address shifting unit. In the ejection pattern storage unit, ejection patterns corresponding to grayscale data items, each data item representing a grayscale by using the number of droplets to be delivered to pixel regions, are stored so as to be associated with the pixel regions. In each ejection period of droplets, the read-address shifting unit shifts read addresses to be supplied to the ejection pattern storage unit in response to the deflecting direction of each of ejecting outlets.

Printing head, printing device, serial data generation device, and computer program

A printing head of a liquid discharge type includes a printing head structure, in which head chips, each of which has overlapped nozzle regions formed before and after an effective nozzle region, are disposed such that a front end position of an effective nozzle region of a head chip and a rear end position of an effective nozzle region of another head chip, the head chips being adjacent to each other, are aligned with each other with difference in level.

Liquid ejection apparatus and liquid ejection method

Even when ejection characteristics of ink droplets are dispersed between unit heads and when arrangement accuracies of unit heads are dispersed, stripe unevenness is alleviated by correction corresponding to each unit head. In a liquid ejection apparatus having a line head (10) arranged by juxtaposing a plurality of (unit) heads (11) of liquid ejection parts so as to connect the head (11) to the adjacent head (11), the liquid ejection apparatus includes ejection direction changing means for enabling the ejection direction of liquid droplets ejected from a nozzle of each liquid ejection part to change in a plurality of directions in the arranging direction of liquid ejection parts and reference direction setting means for individually setting one reference principal direction for each head (11) among a plurality of ejection directions of liquid droplets by the ejection direction changing means. In the (N−1)th and the (N+1)th head 11, the third ejection direction from the left is established ...

Information recording apparatus

An information recording apparatus into which an information recording medium is loaded, in which a label can be printed on a label surface of the loaded information recording medium is disclosed. The apparatus includes: an information recording means positioned on the recording surface side of the information recording medium; a print head positioned on the opposite side of the information recording means and the information recording medium and configured to print a label; and a print head moving means for moving the print head at a position shifted from the rotational center of the information recording medium in parallel with the radial direction of at least in the part of the information recording medium.

Printing device and printing method

A printing apparatus which can print with a printing resolution optimum to print data using a head wherein an ink droplet can be deflected to a plurality of directions from each ink discharging portion. The printing apparatus includes a head (a plurality of heads (11)) which includes a plurality of ink discharging portions (N1), (N2), (N3), provided in a juxtaposed relationship with each other and wherein the discharging direction of an ink droplet to be discharged from each ink discharging portion N1 or the like can be deflected to a plurality of directions in the juxtaposition direction of the ink discharging portion N1 and so forth. A printing resolution is determined in response to print data from among a plurality of printing resolutions with which the printing apparatus can print, and the ink discharging portion (N1) and so forth from which an ink droplet is to be discharged are selected based on the determined printing resolution. Further, the discharging direction of an ink droplet ...

Printer and printer head

The present invention relates to a printer and printer head, and more particularly, to an ink-jet method printer for preventing quality deterioration of the print result caused by head chips having irregular characteristics. In the present invention, as viewed from the direction of feeding a print object, the nozzles 31 allocated to the head chip 25 are placed so as to partly overlap the adjacent head chips 25. Furthermore, as many nozzles as necessary for a plurality of head chips are formed on one nozzle plate, on which head chips are placed to form a printer head.

Liquid Ejector and Method for Ejecting Liquid

A liquid discharge apparatus that is capable of setting a proper deflection amount for deflecting an ink discharge direction even when the distance between the ink discharge surface and the ink landing surface of print paper varies and method of using same. The liquid discharge apparatus includes a head in which a plurality of nozzle-incorporated ink discharge sections are arrayed, discharge direction deflection means for deflecting the discharge direction of an ink discharged from a nozzle of each ink discharge section in the direction of ink discharge section arrangement, distance detection means for detecting the distance between the ink discharge surface of the head and the ink landing surface of print paper, and discharge deflection amount determination means for determining the ink discharge deflection amount (discharge angle) to be provided by the discharge direction deflection means in accordance with the results of detection by the distance detection means.

Liquid discharge apparatus and method for discharging liquid

The liquid discharge apparatus including a head having liquid dischargers capable of deflecting the trajectories of discharged droplets in a plurality of directions. At least two of the liquid dischargers neighboring each other are capable of discharging droplets in the same pixel area. When there is a shut-off liquid discharge due to droplet discharge failure, this information is stored. According to the stored information, the discharge signal corresponding to the droplets the shut-off discharger were supposed to discharge is transferred to another liquid discharger in the vicinity of the shut-off discharger. This other liquid discharger alternatively discharges droplets so that the droplets land in a position the droplets would have had landed if they were discharged by the shut-off discharger.

Ejection control device, liquid-ejecting apparatus, ejection control method, recording medium, and program

An ejection control device includes a memory for storing a correspondence table between gray-scale data items and ejection pattern data items, each gray-scale data item determining the number of droplets to be ejected to a corresponding pixel so as to express a desired gray-scale level of the pixel, each ejection pattern data item determining the ejection timing of droplets; and a converter for converting each gray-scale data item of the corresponding pixel to the corresponding ejection pattern data item by referring to the table. In the table, the setting of the ejecting position can be freely adjusted. In particular, an ejection pattern having ejection data bits discretely distributed for one pixel range can be easily achieved. Moreover, compliance with system changes can be achieved simply by rewriting the table.

Tread pattern costruction of pneumatic tire

(57)【要約】 【課題】 異なる波形の駆動信号によるインク滴吐出を 行うことにより多様な表現を忠実に行うことができるイ ンクジェットプリンタ、ならびにインクジェットプリン タ用記録ヘッドの駆動装置および方法を提供する。 【解決手段】 波形選択部１４１−１は、駆動波形選択 制御部１４３からの波形選択信号１４６−１に基づき、 駆動波形生成部１４２からの複数の駆動信号１４５−１ 〜１４５−Ｎの中からいずれかを時分割的に選択して対 応するノズルの圧電素子に供給する。これにより、時間 的に異なる波形の駆動信号によってインク滴の吐出制御 が行われる。駆動信号１４５−１〜１４５−Ｎは、一定 電圧波形ではないがそれ単独ではインク滴を吐出させる ことのない所定波形の駆動信号も含む。吐出周期ごとの みならず吐出周期内においても時分割的選択を行うこと により、新たな駆動信号波形が合成される。他の波形選 択部１４１−２〜１４１−ｎも同様に動作する。

Ink-jet printer and drive method of recording head for ink-jet printer

An ink-jet printer and a drive method for driving a recording head of an ink-jet printer are provided for controlling a size and a velocity of an ejected ink droplet. The ink-jet printer includes a droplet outlet orifice through which an ink droplet is ejected, an ink chamber communicating with the outlet orifice, an ink feed duct for feeding ink to the ink chamber, and a piezoelectric element for expanding and contracting the ink chamber in response to an applied voltage. A process for ink ejection includes a first step in which a meniscus in the outlet orifice is retracted towards the ink chamber by expanding the ink chamber, a second step in which the meniscus is moved towards the orifice by filling the chamber with ink, and a third step in which an ink droplet is ejected by contracting the ink chamber. The size and the velocity of the ink droplet ejected in the third step are controlled by controlling a position and a velocity of periodic travel of the meniscus at a start point of the third step.

Ink jet printer, driving equipment and method for recording head for ink jet printer

(57)【要約】 【課題】 忠実な中間階調の表現と、ノズル間における インク滴吐出特性のばらつきの補正とを可能とするイン クジェットプリンタ、ならびにインクジェットプリンタ 用記録ヘッドの駆動装置および方法を提供する。 【解決手段】 波形選択部１４１−１〜１４１−ｎは、 それぞれ、駆動波形選択制御部１４３からの波形選択信 号１４６−１〜１４６−３に基づき、駆動波形生成部１ ４２から出力されている複数の駆動信号１４５−０〜１ ４５−Ｎの中からいずれかを選択し、選択した駆動信号 を、インク滴を吐出するための複数のノズルごとに設け られた各圧電素子に供給する。これにより、すべてのノ ズルについて、各ノズルから同時に吐出されるインク滴 のサイズをそれぞれ異ならせることが可能となる。

Printer and printer head

(57)【要約】 【課題】 本発明は、プリンタ及びプリンタヘッドに関 し、特にインクジェット方式によるラインプリンタに適 用して、ヘッドチップのばらつき等による印刷結果の品 質劣化を防止することができるようにする。 【解決手段】 本発明は、印刷対象の送り方向より見た ときに、ヘッドチップ２５に割り当てたノズル３１が、 隣接するヘッドチップ２５の一部で重なり合うように配 置する。また一枚のノズルプレートに複数チップ分のノ ズルを形成し、このノズルプレートにヘッドチップを配 置してプリンタヘッドを作成する。

Disc drive apparatus and disc printing method

Liquid discharge apparatus and method for discharging liquid

A liquid discharge apparatus having heads (11) with liquid dischargers including nozzles (18) aligned in parallel in a row. Each liquid discharger has a main controlling unit for discharging ink droplets from the nozzles (18) of the liquid discharger, a secondary controlling unit for controlling the discharge of a droplet so that the droplet is discharged along at least one trajectory different from the trajectories of the droplets discharged from a liquid discharger controlled by the main controlling unit, and a secondary-control executing unit for individually setting whether or not the secondary controlling unit for each liquid discharger is operated. The liquid dischargers controlled by the secondary controlling unit discharge ink droplets along different trajectories compared to the ink droplets discharged by other liquid dischargers.

Liquid jet device and liquid jet method

Even when ejection characteristics of ink droplets are dispersed between unit heads and when arrangement accuracies of unit heads are dispersed, stripe unevenness is alleviated by correction corresponding to each unit head. In a liquid ejection apparatus having a line head (10) arranged by juxtaposing a plurality of (unit) heads (11) of liquid ejection parts so as to connect the head (11) to the adjacent head (11), the liquid ejection apparatus includes ejection direction changing means for enabling the ejection direction of liquid droplets ejected from a nozzle of each liquid ejection part to change in a plurality of directions in the arranging direction of liquid ejection parts and reference direction setting means for individually setting one reference principal direction for each head (11) among a plurality of ejection directions of liquid droplets by the ejection direction changing means. In the (N-1)th and the (N+1)th head 11, the third ejection direction from the left is established as the principal direction while in the Nth head 11, the second ejection direction from the right is established as the principal direction.

Wide printer and printer head

The present invention relates to a printer and printer head, and more particularly, to an ink-jet method printer for preventing quality deterioration of the print result caused by head chips having irregular characteristics. In the present invention, as viewed from the direction of feeding a print object, the nozzles (31) allocated to the head chip (25) are placed so as to partly overlap the adjacent head chips (25). Furthermore, as many nozzles as necessary for a plurality of head chips are formed on one nozzle plate, on which head chips are placed to form a printer head.

PRINTHEAD CONTROL METHOD FOR INK RADIUS PRINTER AND THEREFORE INK INJECTED ENGINE PRINTER

Printing method, printer, and recording medium driver

【課題】印刷ヘッドに設けた吐出ノズルからインク滴を吐出させ、回転する印刷対象物の印刷面に可視情報を印刷する印刷装置では、印刷対象物の回転によってインク滴の着弾位置がずれるため、印刷された可視情報に歪みが発生してしまうという課題がある。 【解決手段】まず、印刷対象物に印刷する可視情報を二軸直交座標データから極座標データに変換する際に、インク滴の着弾位置のずれを補正する着弾位置補正を行って着弾位置補正極座標データに変換する。そして、着弾位置補正極座標データからインク吐出データを生成し、そのインク吐出データに基づいて印刷対象物にインク滴を吐出させて可視情報を印刷するようにした。 【選択図】図４

Video printer having thermal head

A recording apparatus according to the present invention has a structure such that recording position of each dot is inverted in one pixel area in such a manner that a direction in which dots of lines in the main scanning direction to be formed on a printing sheet is made to be different from the main scanning direction. Even if the printing sheet feeding apparatus encounters displacement and the position of the printing sheet with respect to a thermal head is displaced, the foregoing structure causes dots to be formed in a zigzag configuration for the lines in the main scanning direction of the printing sheet on which a dot pattern has been formed in accordance with image data so that generation of moire fringes in the main scanning direction is prevented. Since the recording apparatus according to the present invention enables a required printing mode to be selected from a plurality of printing modes for the printing processes for printing yellow, magenta and cyan color components, generation of moire fringes in the main scanning direction can be prevented and change in the hue can be restrained without deterioration in the resolution of the recorded dots even if the position of the magenta dot or the cyan dot is displaced with respect to the position of the yellow dot.

Liquid discharge device and liquid discharge method

With a liquid discharge device, a maximum of N liquid droplets are discharged so as to land within each pixel region for forming a pixel corresponding to the pixel region, a target landing position is selected at random for each liquid droplet, from M liquid landing position candidates, forming an array in the direction of an array of nozzles, determined such that at least a part of the landing liquid droplet region corresponding to each landing position candidate is included within the pixel region, and the discharge direction of the liquid droplet is controlled such that the liquid droplet lands at the determined target landing position. The liquid discharge device having such a configuration has the advantage of preventing occurrence of streaks between dot columns in a printed image due to irregularities in an array of discharge portions.

Apparatus and method for driving recording head for ink-jet printer

An ink-jet printer and an apparatus and a method of driving a recording head for an ink-jet printer are provided for suppressing satellite droplets. Two piezoelectric elements are provided for every ink chamber corresponding to each nozzle. Timing of displacement of the piezoelectric elements is adjusted by applying a drive signal for ink droplet ejection to one of the piezoelectric elements and a drive signal for suppressing satellite droplets when a droplet is ejected to the other piezoelectric element. An auxiliary pressure generated by the displacement of the latter piezoelectric element is superimposed on an ejection pressure generated by the displacement of the former piezoelectric element. Trailing of ink droplet is cut off at an early stage and generation of satellite droplets is suppressed.

Liquid discharging device and liquid discharging method

Nozzles (31) provided to a head chip (25) are disposed so as to overlap with part of those of an adjacent head chip (25) when viewed from the feeding direction of an object to be printed, the distance Ls between nozzles between the adjacent head chips of the same color is set to a pitch of even number, and the distance Ld between nozzles between the head chips of different colors is set to a pitch of even number. A tiling part can be printed in a checker pattern when separately driving a line head by the tiling having an overlapping part. The problem that color development in the overlapping areas is different from that in the non-overlapping areas is solved.

Ink-jet printer

An ink-jet printer comprising: a droplet outlet orifice through which an ink droplet is ejected; an ink chamber for supplying ink to the outlet orifice; pressure generating means for generating a pressure for ejecting the ink droplet through the outlet orifice by changing a volume of the ink chamber through displacement thereof; and ejection control means for initially displacing the pressure generating means in a direction of contracting the ink chamber to cause the ink droplet to be ejected through the outlet orifice and then further displacing the pressure generating means in the direction of contracting the ink chamber.

Liquid jet device and liquid jet method

Streak defects are reduced by making correction for each unit head even if there is variation in jet characteristic of ink droplet among unit heads and even if there is variation in arrangement accuracy of the unit heads. A liquid jet device comprises a line head (10) where (unit) heads (11) having liquid jet portions are arranged are arranged side by side. The liquid jet device further comprises jet direction changing means for changing the direction of jet of a liquid droplet jetted from a nozzle of each liquid jet portion into one of directions parallel to the direction of the arrangement of the liquid jet portions and reference direction setting means for setting one main direction used as a reference out of the jet directions of the liquid droplet changeable by the jet direction changing means individually for each unit head (11). The jet direction of the third liquid jet portion in each of the “N-1”-th and “N+1”-th heads (11) is the main direction, and the jet direction of the second liquid jet portion of the “N”-th head (11) is the main direction.

Recording liquid

(57)【要約】 【課題】 吐出されるインク滴の飛翔速度を適切に制御 できるインクジェットプリンタおよびインクジェットプ リンタ用記録ヘッドの駆動方法を提供する。 【解決手段】 インク滴を吐出するノズル開口と、ノズ ル開口に連通するインク室と、インク室にインクを供給 するインク供給路と、印加電圧に応じてインク室を膨張 ・収縮させる圧電素子とを備える。インク室を膨張させ てノズル開口内のメニスカスをインク室方向に引き込む 第一行程（Ａ〜Ｂ）と、インク室にインクを充填してメ ニスカスをノズル開口の方向に移動させる第二行程（Ｂ 〜Ｃ）と、インク室を収縮させてインク滴を吐出させる 第三行程（Ｃ〜Ｄ）とを含む一連の吐出行程を行うに際 し、第三行程の開始時点におけるメニスカスの周期的位 置変化速度を適宜に選択することにより、第三行程で吐 出されるインク滴の飛翔速度を制御する。

Wide printer and printer head

Method of driving print head in inkjet printer, and inkjet printer

An inkjet printer (100) having a plurality of nozzles which discharge droplets of ink to cause them to land on paper (P), which landing results in dots recording information including characters and/or images. The inkjet printer (100) includes a line head (120) having a driving element which causes droplets of ink to be discharged from the nozzles, wherein the line head (120) is driven in such a manner that the same location on the paper (P) is scanned only once for single printing, one or a plurality of droplets of ink being used for forming a single dot, the diameter of the dot being varied by the number of droplets of ink.

液体吐出装置及び液体吐出方法

【課題】一部の液体吐出部に不吐出等の欠陥が生じても吐出不良を目立たなくする。 【解決手段】各液体吐出部から吐出される液滴の吐出方向を複数の方向に可変とする。そして、近隣に位置する少なくとも２つの異なる液体吐出部からそれぞれ異なる方向に液滴を吐出させて、画素を形成するように制御する。また、１つの画素領域に液滴を着弾させる場合に、複数の着弾目標位置からいずれかの着弾目標位置を決定し、その決定した着弾目標位置に液滴を着弾させることで、液滴の吐出ごとに、液滴の着弾位置がばらつくように制御する。さらに、１つの画素領域にＮ個の液滴を着弾させて１つの画素を形成する際に、Ｎ個で１周期の吐出信号を、近隣に位置する少なくとも２つの異なる液体吐出部に送出して、各液体吐出部から、Ｎ個で１周期の液滴を吐出するように制御し、１周期においてＮ個の各液滴ごとに、Ｍ個の異なる着弾位置からいずれかの着弾位置を決定する。 【選択図】図８

プリントヘッド

(57)【要約】 【課題】 ヘッドチップに印加する電圧値の変動を抑制 する。 【解決手段】 ヘッドチップ６に設けられた複数の発熱 抵抗体８からの配線を、中継基板１ｂに接続する。中継 基板１ｂ上にコンデンサＣを配設することによって、各 ヘッドチップ６に生じる電圧の変動を吸収する。また、 中継基板１ｂを、ヘッドチップモジュール１ａの直上に 配設する。

Printing head, printing device, serial data generation device, and computer program

A printing head of a liquid discharge type includes a printing head structure, in which head chips, each of which has overlapped nozzle regions formed before and after an effective nozzle region, are disposed such that a front end position of an effective nozzle region of a head chip and a rear end position of an effective nozzle region of another head chip, the head chips being adjacent to each other, are aligned with each other with difference in level.

液体吐出装置及び液体吐出方法

【課題】インクの吐出方向を偏向する場合に、インクの吐出面から印画紙のインクの着弾面までの間の距離が変化したときでも、適切な偏向量を設定できるようにする。 【解決手段】ノズルを有するインク吐出部を複数並設したヘッド１１と、各インク吐出部のノズルから吐出されるインクの吐出方向をインク吐出部の並び方向に偏向させる吐出方向偏向手段とを備え、ヘッド１１のインク吐出面と、印画紙Ｐ１、Ｐ２のインクが着弾する面との間の距離Ｌ１、Ｌ２を検知する距離検知手段と、距離検知手段による検知結果に基づいて、吐出方向偏向手段によるインクの吐出偏向量（吐出角度α、β）を決定する吐出偏向量決定手段とを備える。 【選択図】 図６

Liquid discharge apparatus and method

情報記録装置

【課題】デジタルデータの記録や読み出しとともにレーベル印刷を行うことが可能な情報記録装置において、ディスク等の情報記録媒体の内周付近の印刷を容易に行い、高速印刷を可能とし、また、装置のメンテナンスを容易に行う。 【解決手段】情報記録媒体５が挿入され、挿入された情報記録媒体５のレーベル面にレーベル印刷を行うことが可能な情報記録装置１００において、情報記録媒体５の記録面側に位置する情報記録手段１４０と、情報記録手段１４０と情報記録媒体５に対して反対側に位置し、レーベル印刷を行う印刷ヘッド１５０と、印刷ヘッド１５０を情報記録媒体５の回転中心からずれた位置で、少なくとも一部では情報記録媒体５のラジアル方向と平行に移動させる印刷ヘッド移動手段と、を備える。 【選択図】図８

印画装置及び印画方法

【課題】各インク吐出部からインク液滴を複数の方向に偏向可能なヘッドにおいて、印画データに最適な印画解像度で印画できるようにする。 【解決手段】インク吐出部Ｎ１、Ｎ２、Ｎ３、・・を複数並設したものであって、各インク吐出部Ｎ１等から吐出されるインク液滴の吐出方向をインク吐出部Ｎ１等の並設方向において複数の方向に偏向可能なヘッド（複数のヘッド１１）を備える印画装置であって、印画可能な複数の印画解像度のうち、印画データに応じて印画解像度を決定し、決定した印画解像度に基づいてインク液滴を吐出すべきインク吐出部Ｎ１等を選択するとともに、選択した各インク吐出部Ｎ１等のインク液滴の吐出方向を決定し、選択したインク吐出部Ｎ１等に対して吐出方向を特定可能な吐出実行信号を送信することにより、複数の印画解像度のうち印画データに応じて決定した印画解像度による印画を実行する。 【選択図】 図９

Information recording apparatus

液体検知装置及び液体吐出装置

【課題】容器内のインクがほとんどなくなるまで、容器が多少の傾斜を持って取り付けられても正常に動作し、インクがないと判断されたときの残量をできるだけ少なくする。 【解決手段】伝導性を有するインクが収納される容器１１と、容器１１の底面に設けられたインク供給口１４とを備え、容器１１の内側底面１１ａは、インク供給口１４の中心を通り液面に垂直な面で見たときに、液面からの深さがインク供給口１４に近づくほど深くなる傾斜面を有する形状であり、容器１１の内側底面１１ａであってインク供給口１４を挟んで液面からほぼ等しい深さにある少なくとも２箇所に、インクの有無を検知するための電極１２Ａ及び１２Ｂを配置し、その少なくとも１つがインクに接触していれば、容器１１内にインクが存在すると検知する。 【選択図】図１

印画装置及び印画方法

　各インク吐出部からインク液滴を複数の方向に偏向可能なヘッドにおいて、印画データに最適な印画解像度で印画できる印画装置である｡インク吐出部（Ｎ１）、（Ｎ２）、（Ｎ３）、・・を複数並設したものであって、各インク吐出部Ｎ１等から吐出されるインク液滴の吐出方向をインク吐出部Ｎ１等の並設方向において複数の方向に偏向可能なヘッド（複数のヘッド（１１））を備える印画装置であって、印画可能な複数の印画解像度のうち、印画データに応じて印画解像度を決定し、決定した印画解像度に基づいてインク液滴を吐出すべきインク吐出部（Ｎ１）等を選択するとともに、選択した各インク吐出部（Ｎ１）等のインク液滴の吐出方向を決定し、選択したインク吐出部（Ｎ１）等に対して吐出方向を特定可能な吐出実行信号を送信することにより、複数の印画解像度のうち印画データに応じて決定した印画解像度による印画を実行する。

Disc device

ディスク記録装置

【課題】ディスク状記録媒体の記録面に情報を記録及び／又は再生するとともに、印刷面に文字や画像等を印刷することが可能なディスク記録装置において、ファンなどの特別な装置を設けることなく、装置内を浮遊するインク滴のミストによる装置内部の汚染を抑制する。 【解決手段】着脱可能に装着されたディスク状記録媒体５を回転させるディスク回転機構１３６と、ディスク状記録媒体５の記録面に対向するように配置され、ディスク状記録媒体５に対して情報を記録及び／又は再生するピックアップ装置１４０と、ディスク状記録媒体５の印刷面側に移動可能に配置され、回転するディスク状記録媒体５の印刷面に向けてインク滴を吐出するインク吐出部を有する印刷ヘッド１５０と、ディスク状記録媒体５の周囲に設けられ、ディスク回転機構１３６によるディスク状記録媒体５の回転により生じる気流を誘導する気流誘導部１０２と、を設けた。 【選択図】図１３

Information recording apparatus

光ディスク装置および発光制御方法

【課題】レーベル面に記載された可視情報を任意の位置で目視することが可能な光ディスク装置を提供する。 【解決手段】本発明の光ディスク装置１００は、情報記録面に複数のアドレスが記録された光ディスク１１４を回転させるスピンドルモータ１１０と、スピンドルモータ１１０により回転される光ディスク１１４の情報記録面に対して情報信号を記録再生する光ピックアップ１１６と、光ディスク１１４のレーベル面に対して光を照射するストロボ発光部１５０と、複数のアドレスから選択された一の基準アドレスと光ディスク１１４から読み取り可能な基準信号とに基づいてストロボ発光部１５０を発光させる制御部１２１とを備える。 【選択図】図２

Optical disk apparatus and emission control method

An optical disk apparatus according to the present invention includes a spindle motor that rotates an optical disk on whose information recording surface a plurality of addresses is recorded, an optical pickup that records/reproduces an information signal on/from the information recording surface of the optical disk rotated by the spindle motor, an strobe light-emitting unit that irradiates a label surface of the optical disk with light, and a control unit that causes the strobe light-emitting unit to emit light based on an address selected from the plurality of addresses as a reference address and a reference signal readable from the optical disk.

吐出制御装置、液体吐出装置、液体吐出方法、記録媒体及びプログラム

【課題】バッファメモリに書き込まれている吐出パターンは、吐出方向の偏向を考慮せず生成されているため、吐出パターンを偏向吐出すると誤った画像が描画される。 【解決手段】吐出パターン記憶部１に、各画素領域に着滴する液滴数により階調を表現する階調データに応じた吐出パターンが、各画素領域に対応付けられて記憶されている。このとき、読出アドレス遷移部２は、液滴の吐出周期で、吐出パターン記憶部１に与える読み出しアドレスを、各吐出口の偏向制御の方向に連動して偏移させる。 【選択図】図６

Ejection control device, liquid ejecting device, liquid ejecting method, and recording medium and program used therewith

A liquid ejecting device includes an ejection pattern storage unit and a read-address shifting unit. In the ejection pattern storage unit, ejection patterns corresponding to grayscale data items, each data item representing a grayscale by using the number of droplets to be delivered to pixel regions, are stored so as to be associated with the pixel regions. In each ejection period of droplets, the read-address shifting unit shifts read addresses to be supplied to the ejection pattern storage unit in response to the deflecting direction of each of ejecting outlets.

Ejection control device, liquid ejecting device, liquid ejecting method, and recording medium and program used therewith

Ausstosssteuergerät, Flüssigkeitsausstossgerät, Flüssigkeitsausstossverfahren, und Aufzeichnungsmedium und damit verwendetes Programm

液体吐出装置

【課題】液体を偏向吐出可能な液体吐出装置において、回路全体の簡略化（小型化）を図り、高解像度のヘッドにも対応できるようにする。 【解決手段】液体吐出部を特定方向に複数並設したヘッドを備える液体吐出装置であって、前記特定方向に並設された複数の液体吐出部を複数のブロックに分けるとともに、各ブロックに複数の液体吐出部が属するようにし、各液体吐出部ごとに設けられた専用回路と、各ブロックごとに設けられ、ブロックに属する複数の液体吐出部が共通する回路であって、ブロックに属するいずれか１つの液体吐出部から液体を吐出させるための共通回路とを備える。 【選択図】 図１２

Printing apparatus, printing method and computer program

There is provided a printing apparatus including a printing unit for printing visual information on a non-recording surface of a rotatably driven recording medium by discharging ink droplets; and a control unit for controlling movement of the printing unit in a radial direction of the recording medium, and controlling a discharge timing of the ink droplets discharged from the printing unit, wherein the printing unit prints the visual information by multi-path printing of completing printing on a same radius position of the non-recording surface by discharging ink from different ink discharge nozzles, and the control unit controls the printing unit so as to print with a printing pattern different from a printing pattern on other locations of the non-recording surface when printing on an innermost periphery region of the non-recording surface with the printing unit.

液体吐出装置及び液体吐出方法

【課題】一部の液体吐出部に不吐出等の欠陥が生じても吐出不良を目立たなくする。 【解決手段】各液体吐出部から吐出される液滴の吐出方向を複数の方向に可変とする。そして、近隣に位置する少なくとも２つの異なる液体吐出部からそれぞれ異なる方向に液滴を吐出させて、画素を形成するように制御する。また、１つの画素領域に液滴を着弾させる場合に、複数の着弾目標位置からいずれかの着弾目標位置を決定し、その決定した着弾目標位置に液滴を着弾させることで、液滴の吐出ごとに、液滴の着弾位置がばらつくように制御する。さらに、第ｍ画素ラインの画素ａと、第（ｍ＋１）画素ラインの画素ｂとが同一画素列上に位置する場合に、画素ａを形成するために最初の液滴の吐出に用いる液体吐出部と、画素ｂを形成するために最初の液滴の吐出に用いる液体吐出部とが異なるようにする。 【選択図】図８

印刷装置、印刷方法及びコンピュータプログラム

【課題】インク滴吐出ノズルが記録媒体の径方向に一列に配置され、記録媒体の一つの半径位置に対して円周方向のドットを間引いて印刷する場合に、インクが増粘しないように印刷を完成させる印刷装置を提供すること。 【解決手段】回転駆動されている記録媒体の非記録面に対して、インク滴を吐出して可視情報を印刷する印刷部と、回転駆動されている記録媒体の径方向への印刷部の移動を制御するとともに、印刷部から吐出されるインク滴の吐出タイミングを制御する制御部と、を備え、印刷部は、記録媒体の径方向に１列に配列され、異なる色のインク滴を制御部の制御によって吐出する複数のインク滴吐出ノズルを備え、制御部は、回転駆動されている記録媒体の径方向にインク滴吐出ノズルを複数回往復移動させて可視情報の印刷を完成させる、印刷装置が提供される。 【選択図】図１

情報記録装置、情報記録媒体のインデックス情報提供方法

【課題】情報記録媒体のインデックス情報を記録することで、所望の情報を記録している情報記録媒体の特定を容易にする情報記録装置を提供する。 【解決手段】ＤＶＤ１０の記録面に記録データを記録するＤＶＤレコーダ１００と、記録データから特定の画像データを抽出する画像データ抽出部（制御ブロック１２６）と、ＤＶＤを識別するための印刷データを生成する印刷データ生成部（制御ブロック）と、ＤＶＤの記録面と反対側の非記録面に印刷データを印刷する印刷ユニット１０４と、非記録面に印刷される印刷データと、記録面に記録される特定の画像データとを関連付けて、ＤＶＤのインデックス情報として記録するＨＤＤドライブ１１６と、ＤＶＤ毎のインデックス情報を表示するために、記録されているインデックス情報を出力するデータ入出力ブロック１０８と、を備える。 【選択図】図１