УСТРОЙСТВО ОБРАБОТКИ БАНКНОТ

Изобретение относится к терминалам обработки денег для приема, хранения и выдачи ценных документов в обмен за товары или услуги. Техническим результатом является обеспечение возможности выдачи сдачи с использованием принятых терминалом денежных средств. Устройство терминала включает в себя тестирующий модуль (100), модуль для временного хранения и последующей выдачи принятых банкнот (200) и модуль хранения (300) банкнот. Тестирующий модуль определяет могут быть приняты банкноты или нет, а принятые банкноты хранятся в модуле хранения. Модуль для временного хранения и последующей выдачи принятых банкнот служит для передачи временно хранящихся банкнот в тестирующий модуль для выдачи в качестве сдачи или передачи временно хранящихся банкнот в модуль их хранения. 2 н. и 13 з.п. ф-лы, 13 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 461 068 (13) C2 (51) МПК G07D 11/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2010102513/08, 27.06.2008 (24) Дата начала отсчета срока действия патента: 27.06.2008 (73) Патентообладатель(и): МЕИ, ИНК. (US) R U Приоритет(ы): (30) Конвенционный приоритет: 27.06.2007 US 60/937,486 (72) Автор(ы): НАН Майкл Д. (US) (43) Дата публикации заявки: 10.08.2011 Бюл. № 22 2 4 6 1 0 6 8 (45) Опубликовано: 10.09.2012 Бюл. № 25 (56) Список документов, цитированных в отчете о поиске: ЕР 1363250 А1, 02.02.2005. DE 19536481 A1, 03.04.1997. ЕР 1598786 А2, 23.11.2002. RU 2297668 C2, 20.04.2007. RU 2247427 C2, 27.02.2005. EP 1363251 A1, 19.11.2003. 2 4 6 1 0 6 8 R U (86) Заявка PCT: US 2008/068470 (27.06.2008) C 2 C 2 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 27.01.2010 (87) Публикация заявки РСТ: WO 2008/003152 (31.12.2008) Адрес для переписки: 109012, Москва, ул. Ильинка, 5/2, ООО "Союзпатент", пат.пов. С.Б.Фелицыной, рег.№ 303 (54) УСТРОЙСТВО ОБРАБОТКИ БАНКНОТ (57) Реферат: Изобретение относится к терминалам обработки денег для приема, хранения и выдачи ценных документов в ...

ПЕЧАТАЮЩЕЕ УСТРОЙСТВО, СПОСОБ УПРАВЛЕНИЯ ДЛЯ НЕГО И НОСИТЕЛЬ ДАННЫХ

Устройство печати включает в себя подающий валик, выполненный с возможностью подачи запечатываемого листа, уложенного в стопку на листоприемном блоке, транспортирующий валик, выполненный с возможностью транспортирования запечатываемого листа, подаваемого посредством подающего валика, печатающий блок, выполненный с возможностью печати на запечатываемом листе, транспортируемом посредством транспортирующего валика, блок управления транспортированием, выполненный с возможностью управления транспортированием запечатываемых листов так, чтобы задний край предыдущего листа, в качестве запечатываемого листа, поданного ранее из листоприемного блока, и передний край следующего листа, в качестве запечатываемого листа поданного следующим из листоприемного блока, накладывались друг на друга, и блок определения, выполненный с возможностью определения, выполнять ли транспортирование следующего листа в положение, обращенное к печатающему блоку, при сохранении состояния наложения между предыдущим листом ...

УСТРОЙСТВО ОБРАБОТКИ ЛИСТОВ И СПОСОБ ОПРЕДЕЛЕНИЯ ТОЛЩИНЫ ЛИСТА

FIELD: metallurgy. SUBSTANCE: sheet processing device comprises a device for thickness determination, wherein the thickness determination device includes a plurality of biasing conductive elements; a plurality of resonance circuits, which are arranged so that they correspond to the plurality of biasing elements. Each includes a coil facing the respective biasing element, and the capacitor, and adjacent resonance circuits resonate at different resonant frequencies; and a calculating unit which calculates the sheet thickness on the basis of the values of the resonant circuit plurality impedance and plurality of biasing elements. EFFECT: improved accuracy of determining paper sheet thickness. 19 cl, 13 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 622 478 C1 (51) МПК G07D 7/02 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ФОРМУЛА (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ 2016107948, 04.03.2016 (24) Дата начала отсчета срока действия патента: 04.03.2016 (72) Автор(ы): УНО, Терухико (JP) (73) Патентообладатель(и): КАБУСИКИ КАЙСЯ ТОСИБА (JP) Дата регистрации: (56) Список документов, цитированных в отчете о поиске: US 7323867 B2, 29.01.2008. US Приоритет(ы): (30) Конвенционный приоритет: 2014284864 A1, 25.09.2014. RU 2536636 C2, 27.12.2014. JP 2012242736 A, 10.12.2012. 10.09.2015 JP 2015-178522 Адрес для переписки: 129090, Москва, ул. Большая Спасская, д. 25, строение 3, ООО "Юридическая фирма Городисский и Партнеры" 2 6 2 2 4 7 8 R U (57) Формула изобретения 1. Устройство обработки листов, содержащее устройство определения толщины, причем устройство определения толщины включает в себя: - множество проводящих смещающих элементов; - множество резонансных схем, которые располагаются таким образом, что они соответствуют указанному множеству смещающих элементов, причем каждая включает в себя катушку, обращенную к соответствующему смещающему элементу, и конденсатор, и при этом соседние резонансные схемы резонируют на различных резонансных ...

Removal and conveying device for the top document of a stack of documents

BELADEEINRICHTUNG FUER EINE PRESSE

Verfahren und Vorrichtung zur Erkennung von einer Mehrfachzufuhr

Vorrichtung zur Detektion von Etiketten

Vorrichtung zur Detektion von Etiketten auf einem Trägermaterial, mit einem Ultraschallwellen (4) emittierenden Sender (5) und einem Ultraschallwellen (4) empfangenden Empfänger (6), wobei das Trägermaterial (2) mit den Etiketten (3) zwischen Sender (5) und Empfänger (6) angeordnet ist, und wobei zur Detektion der Etiketten (3) das Empfangssignal am Ausgang des Empfänger (6) mit einem Schwellwert S1 verglichen wird, welcher während eines Abgleichvorgangs bei zwischen Sender (5) und Empfänger (6) angeordnetem Trägermaterial (2) und/oder dort angeordneter Etikette (3) in Abhängigkeit des dabei registrierten Empfangssignals selbsttätig bestimmbar ist, wobei zur Durchführung des Abgleichvorgangs ein erster Komparator (22) vorgesehen ist, auf dessen ersten Eingang das in einem ersten Demodulator (20) demodulierte Empfangssignal und auf dessen zweiten Eingang das Ausgangssignal eines E2-Potentiometers (29) geführt ist und die durch den Abgleich des Ausgangssignals des E2-Potentiometers (29) auf ...

Automatic control system of reflection type sensor in duplicate apparatus, operates optical emitter in stored operation current level, when added current level exceed start error current level

Optical intensity of light output by optical emitter (32) reaches threshold value, before the applied current level exceeding the start error current level, is determined. If the applied current level exceeds the start error current level before an error signal is transmitted and optical intensity reaches threshold value, then optical emitter is operated on the stored operation current level. The current level of the optical emitter corresponding to the operating condition is determined. The optical emitter current operation level is stored in memory. When difference exists between determined current level and stored current operation level, current is supplied to optical emitter so that the current level is more than the threshold level of photodetector. A comparator compares the added current level and the start error current level.

Verfahren zur Kontrolle von Bögen

Improvements in or relating to sheet feeding mechanisms

... 688,629. Feeding sheets. BACKHOUSE, H. T. Dec. 20, 1950 [Dec. 20, 1949], No. 32569/49. Class 100(i) In sheet-feeding apparatus of the kind wherein a tower sheet is being registered on a feed board while an upper or preceding sheet is being transferred from the board to a printing or other machine, a scraper device 1, having one arm 3 adapted to move with a scraping action against the underside of the sheet being transferred to a position in which it lies above and close to the board 2 and overlying the sheet about to be transferred, has embodied in the scraper arm a suction nozzle 4, and a further suction nozzle 10 is provided in or on the feed-board, these two nozzles forming in known manner a means for detecting the presence of two superposed sheets between the nozzles. The scraper 1 is actuated as described in either of Specifications 657,616 or 657,618 and is secured to a rockable shaft 13. The suction orifice 4 communicates with a port 8 in a side face of the scraper which, in the ...

DOUBLE-FEED SHEET DETECTION APPARATUS

An apparatus for detecting double-feed of sheets has a light emitting source 1, such as an LED, and a light receiving sensor 2 located on opposite sides of a sheet transport path. Before the first sheet is fed, the gain of a variable gain amplifier 3, which amplifies an output of the sensor, is automatically adjusted so that an output level of the amplifier is set at a constant value. The intensity of the source 1 also is adjusted so that when a single sheet is fed the output is at an appropriately lower level. When the first sheet passes, an output level of the amplifier is measured and the level for a single sheet is stored. Each time a sheet is fed subsequently, the output level is measured and compared with the stored data to detect double-feed. Means are provided to increase the intensity of the source if signal output begins to decrease as single sheets are fed one by one, for example as a result of degradation of the sensor. ...

MULTIPLE DOCUMENT DETECTOR

Document advancing machine

... 1,031,828. Feeding sheets. SPERRY RAND CORPORATION. May 7, 1964 [May 20, 1963], No. 18960/64. Heading B6B. In a machine such as a document sorter wherein documents 30 are separated sequentially from a stack 32 and fed along a path to various containers 68, 70, the documents are separated by a suction separator 48, Fig. 1, a suction restrainer 50 adjacent the stack substantially ensures that only one document at a time is separated, and a suction operated detector 82 indicates when more than one document is separated, the separator, restrainer, and detector being connected to a common vacuum system which has provision for minimizing pressure fluctuations comprising a mechanically operated relief valve in the separator 48, primary and secondary chambers in the restrainer 50 interconnecting by a nozzle which does not form an air-tight connection between them, and an air pipe leading from the secondary chamber to the detector 82. Pile supports.-Documents 30 stacked on edge and inclined, Figs ...

DOUBLE-FEED SHEET DETECTION APPARATUS

PROCEDURE AND APPARATUS FOR SEIZING REPEATED SHEETS.

DEVICE AND PROCEDURE FOR DETECTING DOUBLE SHEET IN A ROTARY MACHINE FOR SHEET.

PROCEDURE FOR THE DETERMINATION OVERLAPPING SHEETS.

DICHOTOMIZING SENSING SYSTEM RELATIVE TO THE EDGE REGULATION OF ARTICLES WITH HOMOGENEOUS SURFACES

DEVICE FOR THE ADJUSTMENT OF A SHEET

METHOD FOR DETECTING MULTIPLE OVERLAPPING COVERS IN A MAIL SORTING INSTALLATION

DISCRIMINATING APPARATUS FOR MOVING TRANSLUCENT SHEETS

DISPENSER FOR DOCUMENTS SUCH AS CURRENCY AND THE LIKE

CONTROL SYSTEM AND METHOD OF MEDIA DISPENSER

A control system and a method of a media dispenser with which a user can selects preferable media and dispenses preferable kinds of media can broaden the usefulness media and can recollect abnormal media existing in the media feeding path thus to ease the use. The control system includes a driving motor installed at one side of the base plate in which a media cassette is positioned, for generating driving force, a clutch installed at one side of a media pickup part which discharges media stored in the media cassette and connected to the driving motor, for selectively transmitting the driving force generated in the driving motor to the media pickup part and a clutch controlling means for controlling operation of the clutch by turning on/off a power source applied to the clutch so that the media can be discharged from the media cassette consequently.

BANKING MACHINE CONTROL

SYSTEM FOR SETTING A DOCUMENT FEEDING APPARATUS FOR PROPER OPERATION

A system for determining the proper operation of a feeding apparatus includes a detector for detecting the feeding of two or more overlapped documents. The detector is connected to a processor for processing detected information and providing an output signal indicating that the detector has detected the presence of two or more overlapped documents. An adjustment arrangement is connected to the detector for adjusting the detector to detect the presence of overlapped documents for various different types of documents to be utilized with the feeding apparatus. A display is connected to the detector which displays a first condition when no documents are detected by the detector, a second condition when a single document is detected by the detector and a third condition when overlapped documents are detected by the detector. The system may include two or more spaced apart detectors each with their own adjustment arrangement and associated display.

DOUBLE DETECTION SYSTEM

The present invention relates to an electro-optical system for double document detection wherein an improved calibration is employed. To calibrate the system, a microcontroller generates a series of increasingly wider pulses, which are transformed into a series of respective increasingly higher ramp pulses to drive a light emitter (LED, a laser diode or fiber optic coupled laser) at gradually increased power until the predetermined value of an output signal of the light detector (photo-transistor) is achieved. Then the pulse width corresponding to the predetermined value of the output signal is fixed. This width becomes the drive for the light emitter until another calibration changes it. The microcontroller (with the software in it) monitors the output signal to determine a double-feed document condition if the output signal exceeds a predetermined value. The system is capable of "hands-off" calibration. To detect a "true" double-feed document condition, a software timer counts a prolongation ...

Dispositivo di sicurezza per una macchina grafica alimentata da un congegno metti-fogli automatico.

Transporteinrichtung zur taktweisen Beförderung von Aufzeichnungsträgern

Einrichtung zum Aufbringen von Markierungen auf flache Gegenstände

Einrichtung zum Verhindern eines Doppelabzuges an Vorrichtungen zum Vereinzeln flacher Gegenstände

Prüfeinrichtung für die Zuführung von Aufzeichnungsträgern

Bogenkontrolleinrichtung für bogenverarbeitende Druckmaschinen

NOTE DISPENSING DEVICE.

FORMS COLLECTING MACHINE.

Machine four counting and checking paper money of any size

The device is characterised by a feeder device for introduction and perfect arrangement of a stack of bills to be counted and checked. A data keyboard (2) can be used by the client to send data to the computer. A video with related keyboard is able to request and provide information to the client. A printer is included. An opening is for removing authentic bills. An opening is included for removing counterfeit or irreconcilable bills. The printer is slaved to the programmed computer so as to be able to request from the client, by video and data keyboard, the introduction of comparison data.

Side feeler apparatus for producing a signal for document handling systems.

Machine four counting and checking paper money of any size

The device is characterised by a feeder device for introduction and perfect arrangement of a stack of bills to be counted and checked. A data keyboard (2) can be used by the client to send data to the computer. A video with related keyboard is able to request and provide information to the client. A printer is included. An opening is for removing authentic bills. An opening is included for removing counterfeit or irreconcilable bills. The printer is slaved to the programmed computer so as to be able to request from the client, by video and data keyboard, the introduction of comparison data.

Checking device to supervising of-printingfrom.

DEVICE FOR SELECTING NOT USABLE ONES OF PLATTENFOERMIGER OF PARTS.

DEVICE FOR UNPACKING PLATTENFOERMIGER OF PARTS.

A medium conveying apparatus

BANKING MACHINE CONTROL

DETECTOR OF MULTIPLE TICKETS FOR MONETARY DISTRIBUTORS Of SPECIES

PROCESS OF DETECTION OF ADAPTORS IN AN INSTALLATION OF POSTAL SORTING

Le procédé pour la détection de plis en prise multiple dans une installation de tri postal (1) consiste à détecter une variation de longueur de chaque pli en faisant passer chaque pli dans une pluralité de détecteurs de passage (4, 5, 6, 7). Les détecteurs de passage sont situés en différents points de l'installation de tri (1) et sont configurés pour évaluer la longueur de chaque pli. Durant leur trajet dans l'installation de tri, les plis en prise multiple se décalent progressivement les uns par rapport aux autres du fait notamment des frottements mécaniques. Ainsi, la longueur globale des prises multiples a tendance à varier, de telle sorte qu'une évaluation de la variation de longueur de chaque pli fournit une information fiable pour détecter les prises multiples. L'évaluation de la longueur d'un pli étant relativement simple à mettre en oeuvre, les performances de l'installation sont améliorées pour un faible coût.

Double sheet detection system for offset cheque printer - has light cell to stop printer with extra paper thickness

MULTIPLES DETECT APPARATUS AND METHOD

The invention provides an apparatus and method for detecting overlapped mail pieces (16) when sorting batches of flat mail (16) pieces as the pieces are conveyed on their narrow sides, whereby the sorted mail pieces are moved successively standing on their narrow sides in a longitudinal direction along a bed or path (14). Positioned below the path is an electronic line camera (12) arranged with its longitudinal axis perpendicular to the feed direction of the sorted mail pieces (16) that scans the lower narrow edges of the mail pieces through a gap (18) in the bed. In one aspect, two sources of light, such as light emitting diodes (26), are positioned laterally from the line camera (12) diagonally illuminate the mail pieces (16) from below as the mail pieces pass over a window (18) in the path (14) so that the edges of the scanned narrow sides are emphasized by shadowing. Features of the scanned images are transmitted to an evaluation means that utilizes statistical analyses and compared ...

método; meio de leitura em computador; e aparelho

Sistema para dectar folhas sobrepostas.

BANKAUTOMAT

IMAGE-PROCESSING DEVICE, DOCUMENT-READING DEVICE, ELECTRONIC APPARATUS, AND DOCUMENT-READING METHOD

A document-reading device has a document-transporting mechanism that has a pick-up roller (R1) etc. and a document- reading mechanism that has a light source unit (6) etc. and reads an image of a document transported by the document-transporting mechanism. Operation of reading a surface (P1a) to be read of the document (P1) by the document-reading mechanism is continued when double transportation occurs in transporting a document (P1) to be read, or another document (P2) is additionally transported together with the document (P1) to be read, and simultaneously when the another document (P2) additionally transported is not positioned between the document (P1) to be read and the light source unit (6) (that is, the another document (P2) does not interrupt the surface (P1a) to be read of the document (P1) to be read).

Double-document detection arrangement

A method for differentiating and separating multiple overlapped like documents from single like items, transported along track means, comprising: subjecting the documents to opposed vacuum forces from suction means to separate them at a separation-station; then determining whether the documents are single or multiple, by measuring and analyzing the resulting pressure differentials within the suction system; using a cyclonic filter for removing and storing dust and debris entrained within the suction-conducting airflow, the cyclonic filter and suction system being designed and adapted to provide a relatively constant vacuum-generating airflow regardless of the nature or quantity of debris removed; plus a pressure sensor for indicating whether one or several documents are passing.

WORKPIECE FEEDING DEVICE

Apparatus, method and program product for detecting article multifeed

A document processing device that processes a plurality of articles and is capable of detecting a multifeed or a condition that may represent a multifeed may be configured to determine criteria of the multifeed or condition. This is particularly useful for configuring the document processing device to ignore multifeeds or conditions that are considered acceptable. For instance, a user may set predefined overlap criteria. If a detected multifeed criteria or condition criteria meets the predefined overlap criteria, a detection of the multifeed or condition may be ignored. However, if it does not meet the predefined overlap criteria, the detection of the multifeed or condition may cause the document processing device to take predetermined post-processing actions, for example to set an alarm message or halt operation entirely. Alternatively, if a condition is expected, predetermined post-processing actions can be taken if the condition is not detected or does not meet the specified criteria ...

Detecting device for two or several overlapping film sheets

An arrangement for determining two or more superimposed film sheets, particularly X-ray film sheets, in a transport after their withdrawal from the film sheet stack, has a light barrier with a light source at one side of the transport path and a photoreceiver at the other side thereof, and an evaluating circuit connected with the photoreceiver for producing a signal corresponding to the presence of two or more sheets and including a computer supplied with a value of the density of a first or test sheet introduced into the light barrier between the light source and the photoreceiver, so that the supplied value serves as a reference signal for measuring the next film sheet.

Device for the optical detection of multiple layers of incoming paper sheets

The object of the invention is in the case of such a device, which has a light barrier for the purpose of transillumination of the paper sheets, to minimise the influence of printing of paper sheets, the effect of fluttering paper and scattering (dispersion) of the intensity of the light beam. For this purpose, the light barrier of the device is fitted with an optotransmitter (10) which has a half-intensity beam angle ( theta ) greater than or equal to 25 DEG , and the receiving surface of the optoreceiver (11, 11') is matched to the beam angle ( theta ) of the optotransmitter. ...

Verfahren und Vorrichtung zur berührungslosen Detektion von flächigen Objekten

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zur berührungslosen Detektion von flächigen Objekten, insbesondere in Bogenform, wie Papier, Folien, Blechen, Etiketten, Klebestellen, Abrissstellen, Aufreißfäden und ähnlichen flächigen Materialien oder Verpackungen. DOLLAR A Bei diesen Verfahren und Vorrichtungen besteht z. B. in der Druckindustrie das Erfordernis, eine zuverlässige und genaue Erkennung von Einfachbogen, Fehlbogen oder Mehrfachbogen, speziell Doppelbogen, der flächigen Objekte sowie eine Etikettenerkennung zu erreichen. DOLLAR A Die Erfindung schafft hierfür eine sehr flexible, über einen sehr großen Grammatur- bzw. Flächengewichtsbereich einsetzbare Lösung, indem der der Sensoreinrichtung, speziell dem Empfänger, nachgeschalteten Auswerteeinrichtung mindestens eine Korrektur-Kennlinie vorgegeben wird, mittels der die Kennlinie der Eingangsspannung des Messsignals im Empfänger, in Abhängigkeit von der Grammatur oder dem Flächengewicht der flächigen Objekte, als ...

STEUERUNG FUER BOGENANLEGEVORRICHTUNG

SHEET FEEDING AND SEPARATING APPARATUS AND METHOD

Vorrichtung zur Kontrolle von Bögen

Entnahmemechanismus für einen Blattzuführapparat.

METHOD AND APPARATUS FOR DETECTING THE PRESENCE OF OVERLAPPED PLANAR MEMBERS

... 1368849 Feeding sheets OPTICAL RECOGNITION SYSTEMS Inc 2 June 1972 [11 Jan 1972] 25767/72 Heading B8R A double sheet feed is detected by each sheet 31, 32, closing a vacuum part 23, 24, causing two pressure responsive switches 13, 14, to change state and provide an output signal which may serve to stop the machine. In order to avoid a false response to a wrinkled document, circuitry is provided which requires that both switches 13, 14, be opened simultaneously for a predetermined minimum period of time before an output indication is produced. The loops 21, 22, in the fluid circuits prevent paper dust reaching the switches.

SHEET DISPENSER SUITABLE FOR BANK NOTES

... 1513489 Sheet dispensing TRANSACCOMPAGNIE POUR LE DEVELOPPEMENT DES TRANSACTIONS AUTOMATIQUES SA 24 Nov 1976 [5 Dec 1975] 48899/76 Heading B8R A sheet dispenser, e.g. for bank-notes comprises a stack magazine, a sheet separator belt 6 and a sheet thickness detector 40 which controls a selector 23 for directing overthick or multiple sheets to a box 22 and acceptable sheets to an outlet slot 2. Sheets are removed from a clip 12 by anti-clockwise rotation of belt 6 causing a fold in the sheet and then clockwise movement takes the sheet between belts 6, 7 at 21 to slot 2 via counters 28, 29 which stop the dispenser until the sheet is removed. Selector 23 is moved by an electromagnet 24 and a further electromagnet 10 controls the feeding device. Stack 3 is maintained at constant height, by detector 36 controlling motor 30. Further detectors 11, 13, 27, 33 signal folds, stop feed of a second sheet, count sheets and detect that a magazine is present respectively.

RECORD MEMBER FEEDING DEVICE

Bed for kartenförmige recording carriers

PROCEDURE FOR THE RECOGNITION OF OVERLAPPING TRANSMISSIONS

PROCEDURE FOR RECOGNIZING DOUBLE DEPARTURES OF MAILS BY IMAGE ANALYSIS OF THE UPRIGHT TRANSMISSIONS

PROCEDURE AND DEVICE FOR DETECTING DOUBLE SHEET IN A ROTARY MACHINE FOR SHEET.

WITHDRAWAL MECHANISM FOR A SHEET SUPPLY APPARATUS.

SINGLE DOCUMENT TRANSPORT

PICK MECHANISM FOR SHEET FEEDING APPARATUS

Multiple envelope detector

A METHOD AND SYSTEM FOR DOUBLE FEED DETECTION IN A LETTER SORTING APPARATUS

MULTIPLE SHEET DETECTING APPARATUS

INFEED APPARATUS

An Infeed Apparatus In the Field of sheet handling apparatus such as e mail provessing machine, it is known to provide infeed apparbtus which allows; for both the manual and automatic feeding of inserts for processing. The disclosure relates to such infeed apparatus (10) including sensor means (32, 33) for detecting (i) whether more than one insert has been fed automatically from one insert tray (13); or (ii) whether an insert hag been fed manually from another insert tray (14). In the former case, the apparatus is arranged to signal a fault to an operator; in the letter case operation of the apparatus is automatically continued on sensing of a correctly fed, manually fed insert. (Figure t ) ...

PROCEEDED OF MULTIPLE DETECTION OF PRESENCE Of OBJECTS IN CUPS DECONVOYAGE Of a MACHINE OF SORTING AND BEING USEFUL DEVICE SA HAS IMPLEMENTED

APPARATUS FOR SUPPLYING POWER TO THE SHEET PROCESSING APPARATUS.

Single not checking mechanism for cash dispenser - includes optical source and detectors sensing transparency of note to ensure that only one is dispensed

DISPOSITIF DETECTEUR DE DISTRIBUTION UN PAR UN DE BILLETS

DISPOSITIF DETECTEUR DE DISTRIBUTION UN PAR UN DE BILLETS. LE DISPOSITIF COMPORTE UNE PLURALITE DE COUPLES EMETTEUR-RECEPTEUR PHOTOSENSIBLES 16-19, 22-25 FIXES ASSURANT UNE EXPLORATION CONTINUE SUR LA MAJEURE PARTIE DE LA LONGUEUR OU LARGEUR DESDITS BILLETS 11 AU COURS DE LEUR DEFILEMENT, SELON DES ZONES DE CHAQUEBILLET SENSIBLEMENT SYMETRIQUES DEUX A DEUX PAR RAPPORT A L'AXE LONGITUDINAL OU TRANSVERSAL DE CE BILLET, DES MOYENS DE MESURE GLOBALE 28-30 DES SIGNAUX CONTINUS FOURNIS PAR LES RECEPTEURS 22-25 PENDANT CETTE EXPLORATION ET DES MOYENS DE COMPARAISON 31 DE CETTE MESURE AVEC DES LIMITES PRE-ETABLIES. LE DISPOSITIF VALIDE OU NON LA DISTRIBUTION DE BILLETS SELON QU'ILS SONT JUGES SIMPLES OU DOUBLES.

Appareil de détection d'une alimentation double de feuilles.

... a) Appareil de détection d'une alimentation double de feuilles; b) cet appareil comprend: - une lampe d'émission de lumière (1) et un détecteur de réception de lumière (2), - un circuit de commande de lumière pour commander l'intensité de la source d'émission de lumière (10), - un amplificateur à grain variable (9) destiné à amplifier le signal de sortie du détecteur de transmission de lumière, - un convertisseur analogique numérique A/N (4), - un circuit d'entrée/sortie E/S (5), - une unité de traitement centrale UTC (6), - une mémoire morte ROM 7 et une mémoire vive RAM 8; c) l'invention concerne un appareil de détection d'une alimentation double de feuilles.

METHOD AND APPARATUS FOR DETECTING DOUBLE-FED MEDIA AND MEDIUM PROCESSING APPARATUS

Disclosed in the present invention are a method and an apparatus for detecting double-fed media. The method for detecting double-fed media includes: during the process of feeding media, detecting whether the media reach a first position where the media are located between a first pinch mechanism (11) and a second pinch mechanism (12) of a pinch assembly (1); When the media reach the first position, controlling the first pinch mechanism (11) and the second pinch mechanism (12) to perform a relatively pinching motion along the media feeding direction, and continuously feeding the media to make it pass through a second position where a sensor (21) is arranged, the sensor (21) is used to detect whether the media are double-fed. The method can simply and conveniently detect whether the media are double-fed. A medium processing apparatus is also disclosed.

PAPER FEEDER

A paper feeder comprises a sender-side ultrasonic sensor (17) for outputting ultrasonic waves, a drive circuit (41) for supplying a drive signal to the sender-side ultrasonic sensor (17) to drive the same, a receiver-side ultrasonic sensor (18) opposed to the sender-side ultrasonic sensor (17) across a transfer path in the paper feeder so as to receive ultrasonic waves, a setting means (26) for setting a threshold value for detection of transfer of a plurality of paper sheets (100) with the output from the receiver-side ultrasonic sensor (18) used as a reference when the sender-side ultrasonic sensor (17) stops outputting, and a detection means (26) for detecting transfer of the plurality of paper sheets (100) by comparing the output from the receiver-side ultrasonic sensor (18) with the threshold vale.

Multiple sheet detector apparatus and method

A detector for a deposit accepting apparatus of an automated banking machine includes an ultrasonic transmit driven by a driving signal operative to cause the ultrasonic transmitter to transmit an ultrasonic sound signal through a sheet pathway of the detector. The detector also includes an ultrasonic receiver operative to generate a receiver signal responsive to the ultrasonic sound signal. The detector further includes first and second correlation filters. The first and second correlation filters are operative to generate first and second outputs responsive to the receiver signal. At least one processor is operative responsive to the first and second outputs of the correlation filters to determine information associated with changes in phase of the ultrasonic sound signal and to distinguish between single and multiple sheets in the pathway responsive to the information associated with changes in phase.

Self clearing roller feed assembly for document feed apparatus

Disclosed is a rotatably powered roller feed assembly for transporting documents from a stack in a forward feed direction toward utilization apparatus, a clockspring appropriately coupled to the feed assembly for rotatably powering the feed rollers in a direction opposite to the feed direction of rotation in order to drive documents out of, and to therefore clear, the nip point of the roller assembly. The reverse rotation is initiated at the end of each feed cycle by control means, including an optical sensor assembly responsive to a document exiting the nip point, interrupting the powering of the roller assembly in the feed direction.

Cash dispensing automated banking machine with note unstacking and validation

An automated banking machine (10) includes a user interface (15). The user interface includes a card reader (16), receipt printer opening (30), cash dispensing opening (38) and deposit accepting opening (40). A stack of notes (84) input to the machine are separated one by one from the stack through the action of at least one picking member (158, 352) and at least one stripper member (64, 162, 354). The actions of non-contact stripper rolls and a contact stripper roll are generally effective to only enable a single note to move past the stripper members. Upon sensing that multiple notes have moved past the stripper members with a sensor (176, 366) the system is operative to return notes to the stack for subsequent picking trials. In some cases the stripper members may be driven so as to move notes engaged therewith relative to a note engaged with the stripper member so as to reorient the notes and facilitate note separation in subsequent picking events.

SHEET CONVEYANCE DEVICE, IMAGE READING DEVICE, IMAGE FORMING APPARATUS, AND SENSOR UNIT

A double feed detection sensor unit includes a double feed detection sensor for detecting a document via a hole on a conveyance guide, a control circuit board on which the double feed detection sensor and an element are provided, and a protection member provided to cover the element. 1. A sheet conveyance device comprising:a sheet stacking portion on which sheets are stacked;a sheet feeding unit configured to feed sheets stacked on the sheet stacking portion;a conveyance guide disposed on a downstream side of the sheet feeding unit in a sheet conveyance direction; anda sensor unit disposed under the conveyance guide,wherein the sensor unit includes:a sensor configured to detect a sheet conveyed along the conveyance guide via an opening formed on the conveyance guide;a control circuit board on which the sensor and an element electrically connected to the sensor are provided; anda protection member provided to cover the element,wherein the protection member includes a hole portion, andwherein the sensor is inserted into the hole portion to penetrate through the hole portion.2. The sheet conveyance device according to claim 1 , further comprising a separation unit configured to separate claim 1 , one-by-one claim 1 , the sheets fed by the sheet feeding unit claim 1 ,wherein the opening is formed on the downstream side of the separation unit in the sheet conveyance direction.3. The sheet conveyance device according to claim 1 , wherein the sensor unit is a double feed detection sensor for detecting double-fed sheets.4. The sheet conveyance device according to claim 1 , further comprising another sensor unit disposed to face the sensor unit across a sheet conveyance path claim 1 , and used in conjunction with the sensor unit.5. The sheet conveyance device according to claim 1 , wherein the protection member includes an abutting portion configured to abut an upper surface of the control circuit board claim 1 , and a claw-shaped engaging portion configured to engage with ...

METHOD FOR OPERATING A DETECTOR FOR IDENTIFYING THE OVERLAPPING OF FLAT MAIL IN A SORTING MACHINE

Overlapped-sheet detection apparatus

DUPLEX FEEDING DETECTOR

PURPOSE: To detect the duplex fed paper regardless of the size of the displacement between both tips and the presence or not of printed pictures by detecting the duplex feeding by means of leading edges of transmitted waveforms and the transit time of the paper passing through a projector section on a conveyance passage of a copying machine, etc. CONSTITUTION: When the duplex fed paper P with both paper tips aligned are passed, photoelectric element PT signals go into comparators 9, 10, giving an output signal H, and an AND circuit 15 gives an output signal H as long as the output signal of a differential circuit 16 is kept H as long as the output signal of a differential circuit 16 is kept H. On the other hand, an L sigal from a timer T1 is fed into an AND circuit 18 of the second duplex feed detection circuit 6, therefore no H signal is output from it. Next, when the duplex fed paper with both paper tips displaced are passed, an H signal is output from the comparator 10 while the paper ...

DETECTOR FOR DOCUMENT STACKED

Einrichtung zur kapazitiven Doppelbogenkontrolle

Aufgabe der Erfindung ist die Schaffung einer kapazitiv arbeitenden Einrichtung zur Doppelbogenkontrolle für unterschiedliche Bedruckstoffstärken. DOLLAR A Erfindungsgemäß wird die Aufgabe dadurch gelöst, daß eine sich über die Breite des Anlegtisches (1) erstreckende Traverse (4) als Meßwertgeber (5; 7) fungiert und die Gegenelektrode (8) der Traversenabmessung angepaßt ist.

VORRICHTUNG UND VERFAHREN ZUR ERKENNUNG VON ÜBERLAPPUNGEN

Vakuumgesteuerte Trennvorrichtung fuer eine Belegtransporteinrichtung

Vorrichtung zur Überwachung des Bogenlaufs entlang einer Transportbahn

Die Erfindung betrifft eine Vorrichtung zur Überwachung des Bogenlaufs entlang einer Transportbahn in der Bogenanlage einer bogenverarbeitenden Maschine.Es ist Aufgabe der Erfindung eine Vorrichtung zu schaffen, die ein Erfassen der Lage der Seitenkante von Bogen und der Dicke von Bogen mit geringem baulichem Aufwand ermöglicht.Diese Aufgabe wird durch mindestens einen Empfänger (17, 29), der dem seitlichen Bereich der Bogentransportbahn zugeordnet und zur optischen Erfassung des seitlichen Bereichs eines oder mehrerer übereinanderliegender Bogen (7, 8, 30) ausgebildet ist und weiter durch eine Auswerteinheit (18), die Signale des mindestens einen Empfängers (17, 29) zur Bestimmung der Lage der Seitenkante des einen oder der übereinanderliegenden Bogen (7, 8, 30) und zur Bestimmung der Dicke des einen oder der übereinanderliegenden Bogen (7, 8, 30) auswertet und ein die seitliche Lage des einen oder der übereinanderliegenden Bogen (7, 8, 30) und ein weiteres, die Dicke des einen oder der ...

SEPARATING AN ITEM FROM A STACK

SHEET DISCRIMINATING APPARATUS

Detecting double feed or overlap of print media

A print media sensor 123 has an emitter means which directs a light beam 301 across a media transport path 109 with an intensity for penetrating the media 303. A receptor is aligned with the emitter and provides a first signal when there is no sheet breaking the beam, a second signal when there is a single sheet and a third signal when there are multiple sheets. The receptor may be a photo-receptor having an output indicative of the light intensity impinging from the emitter. The output of the receptor may fall into discrete ranges indicative of the number of sheets intercepting the beam. Also provided is a detection method and a hard copy apparatus wherein a change in the first signal is indicative of a leading edge of the media. A trailing edge may also be detected.

Automatic document feeder

An automatic document feeder includes a first roller portion on the first transportation path to feed an original to a scanning position to scan a first face of the original, a second roller portion on a second transportation path to transport the scanned original, a third roller portion on the second transportation path to feed the original to the scanning position to scan a second face of the original, a fourth roller portion on the first transportation path to transport the scanned original, and a transporting speed adjusting unit gaining a circumferential velocity of the second roller portion than the one of the first roller portion and gaining a circumferential velocity of the fourth roller portion than the one of third roller portion, when the original is transported from the first transportation path to the second transportation path and from the second transportation path to the first transportation path, respectively.

IMAGE FORMING APPARATUS AND SHEET RECONVEYANCE PROPRIETY DISCRIMINATING METHOD

Provided is a technology capable of identifying presence/absence of buckling at an occurrence of a jam and determining more appropriately whether or not to perform automatic sheet discharge. A sound collecting device provided on a conveying path of an image forming apparatus is used to collect sound generated from a sheet at the occurrence of the jam. Generated spectrum data is obtained by analyzing characteristics of the collected sound. The generated spectrum data is compared with reference spectrum data, to thereby identify the presence/absence of the buckling and discriminate the conveyance propriety of the sheet. 1. An image forming apparatus , comprising:a conveyance unit for conveying a sheet along a conveying path;a microphone for collecting sound generated from the conveyed sheet;a detecting unit for detecting a jam of the conveyed sheet;a control unit for controlling to stop conveying sheet by the conveyance unit if the jam of the sheet is detected by the detecting unit;an analysis unit for analyzing a frequency of the sound during a period in which the sheet is being conveyed if the jam of the sheet is detected; anda decision unit for deciding whether or not the conveyance unit is enabled to discharge the sheet based on the analyzed frequency.2. The image forming apparatus according to claim 1 , wherein:the decision unit comprises a determination unit for determining whether or not an intensity of a frequency component falls within a predetermined range, that is corresponding to the frequency, for each frequency based on the analyzed frequency; andthe decision unit decides whether or not the conveyance unit is enabled to discharge the sheet based on a number of frequencies whose intensity of the frequency component falls within the predetermined range.3. The image forming apparatus according to claim 1 , wherein the control unit causes claim 1 , based on the analyzed frequency claim 1 , in a case where a number of frequencies whose intensity of the ...

Paper conveying apparatus, jam detection method, and computer-readable, non-transitory medium

There are provided a paper conveying apparatus, a jam detection method and a computer-readable, non-transitory medium that can suppress erroneous detection of the occurrence of a jam by a sound due to the sound generated along with conveyance of the paper. The paper conveying apparatus includes a first sound signal generator for generating a first sound signal, at least a part of the first sound signal generator is provided near a separator, a second sound signal generator for generating a second sound signal, at least a part of the second sound signal generator is provided at least at one end of a conveyance path of the paper, and a sound jam detector for determining whether a jam has occurred based on the second sound signal according to a detection method, wherein the sound jam detector changes the detection method based on the first sound signal.

PAPER CONVEYING APPARATUS, RECOVERY METHOD, AND COMPUTER-READABLE, NON-TRANSITORY MEDIUM

There are provided a paper conveying apparatus, a jam detection method and a computer-readable, non-transitory medium that can improve the user friendliness in recovery processing when a jam has occurred during conveyance of a paper. The paper conveying apparatus includes a sound signal generator for generating a sound signal, a sound jam detector for determining whether a jam has occurred based on the sound signal, a control module for stopping conveyance of a paper when the sound jam detector determines that the jam has occurred, a paper state detector for detecting a state of the paper, and a recovery processing module for performing recovery processing which resumes conveyance of the paper in accordance with a content of detection of the paper state detector when the sound signal generator outputs a predetermined sound signal after stopping conveyance of the paper by the control module. 1. A paper conveying apparatus comprising:a sound signal generator for generating a sound signal;a sound jam detector for determining whether a jam has occurred based on the sound signal;a control module for stopping conveyance of a paper when the sound jam detector determines that the jam has occurred;a paper state detector for detecting a state of the paper; anda recovery processing module for performing a recovery processing which resumes conveyance of the paper in accordance with a content of detection of the paper state detector when the sound signal generator outputs a predetermined sound signal after stopping the conveyance of the paper by the control module.2. The paper conveying apparatus according to claim 1 , further comprising an interface claim 1 , wherein the recovery processing module notifies the content of the recovery processing through the interface to an outside of the paper conveying apparatus after stopping the conveyance of the paper by the control module.3. The paper conveying apparatus according to claim 1 , further comprising a display claim 1 , wherein ...

PAPER CONVEYING DEVICE

A paper conveying device includes: a conveyance path, along which paper is conveyed; paper jam removal zones provided side by side along the conveyance path; paper detection sensors respectively provided in the paper jam removal zones for detecting the presence or absence of paper; a paper jam detecting section for detecting paper jam based on output signals from the paper detection sensors; a signal storing section for storing previous signal statuses just before current signal statuses of the output signals of the paper detection sensors; a display section for displaying one of the paper jam removal zones; and a display controlling section for identifying the one of the paper jam removal zones based on the current signal statuses and the previous signal statuses of the paper detection sensors when paper jam is detected, and displaying the identified paper jam removal zone on the display section. 1. A paper conveying device comprising:a conveyance path, along which paper is conveyed;a plurality of paper jams removal zones for removing jammed paper provided side by side along the conveyance path;a plurality of paper detection sensors respectively provided in the paper jam removal zones for detecting the presence or absence of paper at the position of each paper detection sensor;paper jam detecting means for detecting paper jam based on output signals from the paper detection sensors;signal storing means for storing previous signal statuses just before current signal statuses of the output signals of the paper detection sensors;a display section for displaying one of the paper jam removal zones for removing the paper jam; anddisplay controlling means for identifying the one of the paper jam removal zones based on a combination of the current signal statuses obtained from the paper detection sensors and the previous signal statuses stored in the signal storing means when paper jam is detected by the paper jam detecting means and displaying the identified paper jam ...

Medium conveyance apparatus

A medium conveyance apparatus including a first unit on one side of a conveyance path of a sheet-shaped medium, a second unit on the other side of the conveyance path and facing the first unit, a guide unit that is provided at the second unit and that contacts the medium between the first and second unit to move the second unit in a direction of separating from the conveyance path, an imaging unit provided at one of the first and second unit, a reference plate whose image can be captured by the imaging unit and that is provided at the other of the first and second unit, and a detecting unit for detecting the medium in the conveyance path, the detecting unit being provided in the conveyance path at an upstream position of a reading position where the imaging unit reads the medium.

MULTI-FEED DETECTION APPARATUS, SHEET CONVEYANCE APPARATUS, AND SHEET PROCESSING APPARATUS

A multi-feed detection apparatus may include an ultrasonic transmission unit, arranged on one side of a conveyance path configured to convey a sheet-like member, for transmitting an ultrasonic wave toward the conveyance path, an ultrasonic reception unit, arranged on the other side of the conveyance path, for receiving the ultrasonic wave from the ultrasonic transmission unit, and a multi-feed determination unit for determining, based on the reception result of the ultrasonic wave received by the ultrasonic reception unit, whether multi-feed of sheet-like members has occurred. The ultrasonic transmission surface of the ultrasonic transmission unit is inclined with respect to the conveyance path, and the ultrasonic reception surface of the ultrasonic reception unit is arranged to be almost parallel to the conveyance path. 1. A multi-feed detection apparatus comprising:an ultrasonic transmission unit, arranged on one side of a conveyance path configured to convey a sheet-like member, for transmitting an ultrasonic wave toward the conveyance path;an ultrasonic reception unit, arranged on the other side of the conveyance path, for receiving the ultrasonic wave from said ultrasonic transmission unit; anda multi-feed determination unit for determining, based on a reception result of the ultrasonic wave received by said ultrasonic reception unit, whether multi-feed of sheet-like members has occurred,wherein an ultrasonic transmission surface of said ultrasonic transmission unit is inclined with respect to the conveyance path, and an ultrasonic reception surface of said ultrasonic reception unit is arranged to be substantially parallel to the conveyance path.2. The multi-feed detection apparatus according to claim 1 , wherein said ultrasonic transmission unit includes a plurality of ultrasonic transmission unit arranged for said one ultrasonic reception unit.3. The multi-feed detection apparatus according to claim 2 , wherein the ultrasonic transmission surface of said one ...

IMAGE READING APPARATUS

An image reading apparatus includes a feed roller configured to feed paper toward a reading section, and a medium detection section provided along a transport path between the feed roller and the reading section and configured to include a transmitting portion configured to output an output value equivalent to a magnitude of an ultrasonic wave, and determines whether the transport of the paper is to be continued or to be brought to a halt on the basis of a lower limit value and an upper limit value for the output value, which are set in accordance with the kind of the paper. Further, in a case where the output value satisfies a first condition, a transport of the medium is continued, and in a case where the output value satisfies a condition different from the first condition, the transport of the medium is brought to a halt. 1. An image reading apparatus comprising:a reading section configured to read a medium being transported;feeding means configured to feed the medium toward the reading section; anda medium detection section provided along a medium transport path between the feeding means and the reading section and configured to include a transmitting portion configured to emit an ultrasonic wave and a receiving portion configured to receive the ultrasonic wave emitted from the transmitting portion, and output an output value equivalent to a magnitude of the received ultrasonic wave,wherein, in a case where the output value of the receiving portion satisfies a first condition, a transport of the medium is continued,wherein, in a case where the output value of the receiving portion satisfies either a second condition different from the first condition or a third condition different from the second condition, the transport of the medium is brought to a halt,wherein a lower limit value and an upper limit value are set in accordance with a kind of the medium,wherein the first condition is satisfied in a case where the output value falls within a reference range ...

SHEET THICKNESS DETECTOR, SHEET CONVEYOR INCORPORATING SAME, AND IMAGE FORMING APPARATUS INCORPORATING SAME

A sheet thickness detector incorporated in a sheet conveyor and/or an image forming apparatus includes multiple first rollers aligned in a direction perpendicular to a sheet conveying direction, multiple second rollers facing the respective first rollers, a first roller shaft supporting two first rollers, at least one second roller shaft supporting rollers other than the two first rollers, at least one third roller shaft to support at least three second rollers, a first roller shaft holder supporting the first roller shaft to move from the at least one third roller shaft in a contact/separation direction, a biasing member biasing the first roller shaft toward at least one third roller shaft, and a displacement amount detector detecting an amount of displacement of the first roller shaft. A thickness of a sheet between the first and second rollers is detected based on a detection result by the displacement amount detector. 1. A sheet thickness detector comprising:multiple first rollers aligned in a direction perpendicular to a sheet conveying direction;multiple second rollers disposed facing the respective multiple first rollers;a first roller shaft to support two first rollers of the multiple first rollers;at least one second roller shaft to support rollers other than the two first rollers of the multiple first rollers;at least one third roller shaft to support at least three second rollers of the multiple second rollers;a first roller shaft holder to support the first roller shaft to move from the at least one third roller shaft in a contact/separation direction;a biasing member to bias the first roller shaft toward the at least one third roller shaft in the contact/separation direction; anda displacement amount detector to detect an amount of displacement of the first roller shaft in the contact/separation direction,wherein a thickness of a sheet held between the multiple first rollers and the multiple second rollers is detected based on a detection result ...

TRANSPORT DEVICE AND IMAGE FORMING APPARATUS

Provided is a transport device including a first transport section that is driven at a first transport speed and transports a recording medium interposed therein, a second transport section that is driven at a speed different from the first transport speed, is located at a downstream of the first transport section in a transport direction, and transports the recording medium interposed therein, a detection section that detects variations in a driving load of the second transport section before and after the recording medium is discharged from the first transport section, and a derivation section that derives a thickness of the recording medium based on the variations. 1. A transport device comprising:a first transport section that is driven at a first transport speed and transports a recording medium interposed therein;a second transport section that is driven at a speed different from the first transport speed, is located at a downstream of the first transport section in a transport direction, and transports the recording medium interposed therein;a detection section that detects variations in a driving load of the second transport section before and after the recording medium is discharged from the first transport section; anda derivation section that derives a thickness of the recording medium based on the variations.2. The transport device according to claim 1 ,wherein the detection section acquires a timing at which the recording medium is discharged from the first transport section based on a timing at which the recording medium passes through a detection position on a transport path, a length of the recording medium in the transport direction, and a transport speed of the recording medium, and detects the variations before and after the acquired timing.3. The transport device according to claim 1 ,wherein the detection section specifies a timing at which the driving load of the second transport section exceeds a threshold value after being set to be in a ...

IMAGE READING DEVICE, MULTI-FEED DETECTING METHOD, AND MULTI-FEED DETECTING PROGRAM

An image reading device includes: a transport unit configured to transport a medium; an emission unit configured to emit an ultrasonic wave in accordance with a driving voltage and a reception unit configured to receive the ultrasonic wave, the emission unit and the reception unit being disposed so that a transport path for the medium transported by the transport unit is interposed therebetween; a reading unit configured to read the medium; and a control unit configured to detect presence or absence of multi-feed of the medium on the basis of a signal received by the reception unit. The image reading device is configured to switch a posture into any of a first posture or a second posture. The first posture is a posture in which the transport path is sloped relative to a mounting surface. The second posture is a posture in which an angle of the transport path relative to the mounting surface is smaller than that in the first posture. The control unit sets a first driving voltage as the driving voltage when the posture is the first posture, and sets a second driving voltage lower than the first driving voltage as the driving voltage when the posture is the second posture. 1. An image reading device comprising:a transport unit configured to transport a medium;an emission unit configured to emit an ultrasonic wave in accordance with a driving voltage and a reception unit configured to receive the ultrasonic wave, the emission unit and the reception unit being disposed so that a transport path for the medium transported by the transport unit is interposed therebetween;a reading unit configured to read the medium transported by the transport unit; anda control unit configured to detect presence or absence of multi-feed of the medium on a basis of a signal received by the reception unit, whereinthe image reading device is configured to switch a posture into any of a first posture or a second posture, the first posture being a posture in which the transport path is sloped ...

Recording sheet transport device and image reading device

A recording sheet transport device having a transport path having a curvature includes a multifeed detector and an orientation stabilizing device. The multifeed detector detects a multifeed state in which two or more recording sheets are superposed on one another while the two or more recording sheets are being transported. The orientation stabilizing device stabilizes an orientation of parts of the two or more recording sheets, at which the multifeed state is detected by the multifeed detector, relative to the multifeed detector.

IMAGE FORMING APPARATUS WITH MOVABLE FEED GUIDE

An image forming apparatus according to an embodiment comprises a feed guide forming a feed path of a sheet and having an end portion movable between a closed position and an open position by rotating around a shaft, wherein the end portion is positioned above the shaft when the feed guide is in the open position, and the feed guide is configured to provide access for removal of a jammed sheet when in the open position. The image forming apparatus further comprises a holding unit configured to releasably hold the end portion of the feed guide in the open position. 1. An image forming apparatus comprising: the end portion is positioned above the shaft when the feed guide is in the open position, and', 'the feed guide is configured to provide access for removal of a jammed sheet when in the open position; and, 'a feed guide forming a feed path of a sheet and having an end portion movable between a closed position and an open position by rotating around a shaft, wherein'}a holding unit configured to releasably hold the end portion of the feed guide in the open position.2. The apparatus according to claim 1 , further comprising:a side wall opening portion forming an external wall of one side surface of the image forming apparatus and configured to open to provide access to the feed guide for removal of the jammed sheet; andan original carrying unit comprising a transparent plate on an upper surface on which a sheet to be scanned is placed, and a recess portion on the one side surface side of the upper surface, the recess portion shaped and configured to receive a top portion of the side wall opening portion when the side wall opening portion is closed.3. The apparatus according to claim 1 , further comprising:a detecting unit configured to detect whether or not a sheet to be fed reaches the feed guide, and to detect whether or not the end portion of the feed guide is in the open position.4. The apparatus according to claim 3 , wherein the detecting unit comprises:a feed ...

DOUBLE FEED RECOVERY AND PROCESSING

A media separator module of a valuable media depository is selectively controlled to progressively and selectively activate drives for double feed media recovery processing when two items of media are detected within the media separator module. 1. A method , comprising:(i) detecting, by executable instructions that represent a double feed recovery controller, the executable instructions execute on at least one processor of a media separator module a double media condition within a media separator module for two items of media; and(ii) selectively and progressively controlling, by the double feed recovery controller, opposing drives of the media separator module for separating the two items into a top item and a bottom item and ejecting the top item from the media separator module in response to detection of the double media condition by selectively activating and deactivating combinations of the opposing drives and selectively controlling directions of rotation for the combinations of the opposing drives in response to time delays associated with obtaining at least three readings from sensors of the media separator module.2. The method of further comprising iterating (ii) claim 1 , by the double feed recovery controller until the double media condition becomes a single media condition.3. The method of claim 2 , wherein iterating further includes ceasing iterations claim 2 , by the double feed recovery controller claim 2 , when a threshold number of iterations is reach with the double media condition remaining and backing the two items out of the media separator module to a staging position for refeed into the media separator module.4. The method of claim 1 , wherein selectively and progressively controlling further includes stopping claim 1 , by the double feed recovery controller claim 1 , a top advance drive of the opposing drives while continuing to rotate a retard drive of the opposing drives in an opposite direction from a direction of travel for the items ...

TRANSPORT APPARATUS

A transport apparatus includes a speaker and a mike disposed at respective positions between which a transport path of a medium is interposed, where the speaker and the mike face each other, a drive circuit that outputs a drive signal to the speaker, an amplifier circuit formed by coupling a plurality of amplifiers in series, where the amplifier circuit amplifies and outputs an output signal of the mike, a processor to which the output signal of the amplifier circuit is input, an attenuation circuit disposed in a stage preceding a predetermined amplifier, where the attenuation circuit attenuates an input signal and outputs the input signal to the predetermined amplifier, and a switch that switches an attenuation factor by the attenuation circuit. 1. A transport apparatus comprising:a transport mechanism for transporting a medium along a predetermined transport path;a speaker and a mike disposed at respective positions between which the transport path is interposed, the speaker and the mike facing each other;a drive circuit that outputs a drive signal to the speaker;an amplifier circuit formed by coupling a plurality of amplifiers in series, the amplifier circuit amplifying and outputting an output signal of the mike;a processor to which the output signal of the amplifier circuit is input;an attenuation circuit disposed in a stage preceding a predetermined amplifier of the plurality of amplifiers, the attenuation circuit attenuating an input signal to output the attenuated input signal to the predetermined amplifier; anda switch that switches an attenuation factor by the attenuation circuit, whereinthe processorcauses the switch to switch the attenuation factor by the attenuation circuit to a first attenuation factor among the first attenuation factor and a second attenuation factor having a lower attenuation degree than the first attenuation factor in a state where the medium is not present between the speaker and the mike to adjust a drive signal of the drive ...

ULTRASONIC DEVICE

An ultrasonic device includes an ultrasonic element that performs at least one of transmitting an ultrasonic wave along a first axis and receiving the ultrasonic wave input along the first axis, and a protective member that is provided on the first axis and covers the ultrasonic element, in which the protective member has a plurality of pores through which the ultrasonic wave traveling along the first axis passes. 1. An ultrasonic device comprising:an ultrasonic element that performs at least one of transmitting an ultrasonic wave along a first axis and receiving the ultrasonic wave input along the first axis; anda protective member that is provided on the first axis and covers the ultrasonic element, whereinthe protective member has a plurality of pores through which the ultrasonic wave traveling along the first axis passes.2. The ultrasonic device according to claim 1 , further comprising:a substantially cylindrical shielding unit having the first axis as a central axis, whereinthe ultrasonic element is disposed to be surrounded by a cylindrical inner peripheral surface of the shielding unit,the shielding unit extends along the first axis from a position where the shielding unit surrounds the ultrasonic element, and has a through-hole through which the ultrasonic wave passes, the through-hole being provided at an extension tip end portion, andthe protective member is provided to cover the through-hole of the shielding unit.3. The ultrasonic device according to claim 2 , whereina sound absorbing unit surrounding the through-hole is provided on a surface of the extension tip end portion of the shielding unit, which is opposite to the ultrasonic element.4. The ultrasonic device according to claim 1 , whereinthe protective member is configured by arranging a plurality of wires along a first direction intersecting the first axis and a second direction intersecting the first axis and the first direction, anda normal line of a plane including the first direction and the ...

SHEET MATERIAL CONVEYING DEVICE, IMAGE SCANNING DEVICE, AND IMAGE FORMING APPARATUS

A sheet material conveying device includes: a sheet material housing unit; a sheet material conveying unit that conveys each sheet material to a predetermined conveyance target position; a separating/feeding unit that separates a sheet material from sheet materials in the sheet material housing unit and conveys the separated sheet material alone to the sheet material conveying unit; a multi-feed detecting unit that detects whether multi-feed occurs in which a plurality of sheet materials are fed from the separating/feeding unit to the sheet material conveying unit; and an internal sheet material detecting unit that detects presence of the sheet material in the sheet material conveying unit. The sheet material conveying device performs multi-feed failure detection control for detecting whether a failure occurs in the multi-feed detecting unit before notification of a detection result of the internal sheet material detecting unit. 1. A sheet material conveying device comprising:a sheet material housing unit that houses a plurality of sheet materials in a stacked manner;a sheet material conveying unit that conveys each of the sheet materials to a predetermined conveyance target position;a separating/feeding unit that separates a sheet material from the sheet materials in the sheet material housing unit and conveys the separated sheet material alone to the sheet material conveying unit;a multi-feed detecting unit that detects whether multi-feed occurs in which a plurality of sheet materials are fed from the separating/feeding unit to the sheet material conveying unit; andan internal sheet material detecting unit that detects presence of the sheet material in the sheet material conveying unit, whereinthe sheet material conveying device performs multi-feed failure detection control for detecting whether a failure occurs in the multi-feed detecting unit before notification of a detection result of the internal sheet material detecting unit.21. The sheet material conveying ...

Image forming apparatus that identifies sheet thickness

A transmitter transmits ultrasonic wave of a predetermined volume. A reflected ultrasonic wave receiver receives reflected ultrasonic wave, transmitted from the transmitter and reflected by a sheet. A permeated ultrasonic wave receiver receives permeated ultrasonic wave, transmitted by the transmitter and permeated through the sheet. A volume detector detects reflected volume of the reflected ultrasonic wave, and permeated volume of the permeated ultrasonic wave. The decider identifies a thickness of the sheet being transported by a transport device, and decides whether multifeed of the sheets is occurring, on a basis of a comparison result between the detected reflected volume and a reference reflected volume, and a comparison result between the detected permeated volume and a reference permeated volume.

DOUBLE FEEDING DETECTION DEVICE, CONTROL METHOD, AND CONTROL PROGRAM

Provided are a multi-feed detection apparatus, a control method, and a control program to suitably determine whether or not the multi-feed detection apparatus returns a fed medium to a direction of a medium tray when multi-feed has occurred. A multi-feed detection apparatus includes an ultrasonic sensor to generate an ultrasonic signal, a multi-feed determination module to determine that feeding of the medium is normal when a signal value of the ultrasonic signal is equal to or more than a first threshold value, and determine that a multi-feed of the medium has occurred when the signal value of the ultrasonic signal is less than the first threshold value, and a control module to control the feed module to return the fed medium to a direction of the medium tray when the signal value of the ultrasonic signal is less than a second threshold value smaller than the first threshold value. 1. A multi-feed detection apparatus , comprising:a medium tray;a feed roller to feed a medium placed on the medium tray;an ultrasonic sensor including an ultrasonic transmitter to transmit an ultrasonic wave and an ultrasonic receiver located to face the ultrasonic transmitter and to generate an ultrasonic signal corresponding to a received ultrasonic wave; anda processor to determine that feeding of the medium is normal when a signal value of the ultrasonic signal is equal to or more than a first threshold value, determine that a multi-feed of the medium has occurred when the signal value of the ultrasonic signal is less than the first threshold value, andcontrol the feed roller to return the fed medium to a direction of the medium tray when the signal value of the ultrasonic signal is less than a second threshold value smaller than the first threshold value.2. The multi-feed detection apparatus according to claim 1 , wherein the processordetermines whether the fed medium is a card when the signal value of the ultrasonic signal is less than the first threshold value and is equal to or ...

SHEET CONVEYANCE APPARATUS THAT DETECTS OVERLAPPING OF PLURALITY OF SHEETS, AND IMAGE READING APPARATUS

A transmitter transmits ultrasound to the conveyance path. A receiver receives the ultrasound. A double-feed detector detects whether or not double-feed of a plurality of sheets has occurred. A controller causes the transmitter to transmit ultrasound at a first burst interval when determining the threshold value, and causes the transmitter to transmit ultrasound at a second burst interval, which is shorter than the first burst interval, when detecting the double-feed of sheets. A double-feed detector determines a threshold value that enables distinction between double-feed and single-feed. 1. A sheet conveyance apparatus comprising:a conveyance unit configured to convey a sheet on a conveyance path;a transmitter configured to transmit ultrasound to the conveyance path;a receiver configured to receive the ultrasound transmitted from the transmitter, the receiver being mounted opposing the transmitter;a double-feed detector configured to detect whether or not double-feed of a plurality of sheets has occurred on the conveyance path by comparing, with a threshold value, an amplitude level of an output signal that is output from the receiver; anda ultrasound controller configured to cause the transmitter to transmit ultrasound at a first burst interval when determining the threshold value, and cause the transmitter to transmit ultrasound at a second burst interval, which is shorter than the first burst interval, when detecting the double-feed of sheets;wherein the double-feed detector determines the threshold value that enables distinction between double-feed and single-feed, based on an amplitude level of an output signal that has been output by the receiver receiving the ultrasound transmitted at the first burst interval by the transmitter in a state where no sheet exists on the conveyance path.2. The sheet conveyance apparatus according to claim 1 ,wherein the ultrasound controller causes the transmitter to transmit ultrasound in a state where no sheet exists on the ...

CONVEYOR

A conveyor conveys a sheet along a conveyance path provided with an ultrasonic sensor, and includes: an updating member that successively updates a parameter indicating aged deterioration of the conveyor; a searcher that searches a look-up table storing pieces of noise data of noises predicted to be superimposed on a detection signal of the ultrasonic sensor in accordance with a degree of the aged deterioration, and obtains a piece of noise data corresponding to a current parameter value of the conveyor; and a signal processor that uses, for signal processing, a remaining portion of the detection signal of the ultrasonic sensor excluding a portion corresponding to the piece of noise data obtained by the searcher. 1. A conveyor that conveys a sheet along a conveyance path provided with an ultrasonic sensor , the conveyor comprising:an updating member that successively updates a parameter indicating aged deterioration of the conveyor;a searcher that searches a look-up table storing pieces of noise data of noises predicted to be superimposed on a detection signal of the ultrasonic sensor in accordance with a degree of the aged deterioration, and obtains a piece of noise data corresponding to a current parameter value of the conveyor; anda signal processor that uses, for signal processing, a remaining portion of the detection signal of the ultrasonic sensor excluding a portion corresponding to the piece of noise data obtained by the searcher.2. The conveyor according to claim 1 , whereinthe look-up table has a structure in which a plurality of noise factors that may occur during sheet conveyance is arrayed in a row direction or a column direction which is a first direction, and a plurality of threshold values of a value which the parameter may take is arrayed in the column direction or the row direction that is a second direction,in the look-up table, a two-dimensional position is determined by a position in the first direction and a position in the second direction and ...

MULTIFEED DETECTION DEVICE AND IMAGE READING APPARATUS

A multifeed detection device that detects multifeed by using an ultrasonic wave includes an ultrasonic emitting unit and an ultrasonic receiving unit arranged to oppose each other with a medium transport path interposed therebetween; judges occurrence of multifeed of media based on a detection intensity of an ultrasonic wave received by the ultrasonic receiving unit, and a multifeed threshold for judging multifeed of media; and acquires first information that is information relating to adjustment for the multifeed threshold, and second information for specifying that the first information is the information relating to the adjustment for the multifeed threshold, from a calibration sheet holding the first information and the second information. 1. A multifeed detection device , comprising:an ultrasonic emitting unit that is arranged in a medium transport path through which a medium is transported, and that emits an ultrasonic wave;an ultrasonic receiving unit that is arranged to oppose the ultrasonic emitting unit with the medium transport path interposed therebetween, and that receives the ultrasonic wave emitted from the ultrasonic emitting unit;a multifeed judgment unit that judges occurrence of multifeed of media based on a detection intensity of the ultrasonic wave received by the ultrasonic receiving unit, and a multifeed threshold for judging multifeed of media; andan information acquisition unit that acquires first information that is information relating to adjustment for the multifeed threshold, and second information for specifying that the first information is the information relating to the adjustment for the multifeed threshold, from a calibration sheet holding the first information and the second information.2. The multifeed detection device according to claim 1 ,wherein the multifeed judgment unit is configured to acquire an upper-limit threshold that is an upper-limit value of the multifeed threshold, and a lower-limit threshold that is a lower-limit ...

Inspection device, control method, sheet conveyor, printing apparatus, and image reading apparatus

Provided is an inspection device that performs inspection using ultrasonic waves transmitted on the basis of a burst signal including a plurality of pulses, the inspection device includes: a decider that decides the number of pulses included in the burst signal, or a burst cycle of the burst signal, on the basis of an atmospheric pressure at an installation position of the inspection device; a generator that repeatedly generates the burst signal including the decided number of pulses, or the burst signal having the decided burst cycle; a transmitter that transmits ultrasonic waves on the basis of the burst signal repeatedly generated; and a receiver that receives ultrasonic waves.

SHEET FEED APPARATUS AND SHEET FEED METHOD

A sheet feed apparatus which includes a sheet feed tray in which a plurality of sheets is loaded in piles; a sheet feed roller which is provided at a forward position of the sheet feed tray in a sheet feed direction, and sends the loaded sheets inside thereof; and a lift detection sensor which detects, by using a movable lever, a lift of a sheet bundle which occurs when the sheet bundle, of which a rear or a side in a sheet feed direction is bound, is sent by the sheet feed roller therein, the lift detection sensor being provided at a side position of the sheet bundle in a width direction and at a backward position with respect to the center of the sheet bundle in the sheet feed direction. 1. A sheet feed apparatus comprising:a sheet feed tray on which a plurality of sheets is loaded;a sheet feed roller which is provided at a forward position of the sheet feed tray in a sheet feed direction, and which feeds the loaded sheets to a conveying path;a lift detection sensor which detects a lift of a bound sheet bundle which occurs when the bound sheet bundle is fed by the sheet feed roller; anda control unit which controls a start and stop of sheet feeding of the sheets loaded in the sheet feed tray.2. The sheet feed apparatus of claim 1 ,wherein the control unit stops the sheet feeding if the lift detection sensor detects the lift during a predetermined period after starting the sheet feeding of sheet, and does not stop the sheet feeding if the lift is detected after the predetermined period.3. The sheet feed apparatus of claim 2 , further comprising:a sheet feed detection sensor arranged at a forward position of the sheet feed roller in the sheet feed direction,wherein the predetermined period is a period from when the sheet feed detection sensor detects passing of a leading edge of a sheet to when the sheet feed detection sensor detects passing of a trailing edge of the sheet.4. The sheet feed apparatus of claim 2 ,wherein the control unit does not stop the sheet ...

SHEET PROCESSING APPARATUS AND METHOD OF DETECTING THICKNESS OF SHEET

A sheet processing apparatus, comprising a thickness detecting device, the thickness detecting device including: 1. A sheet processing apparatus , comprising a thickness detecting device , the thickness detecting device including:a plurality of conductive displacement members;a plurality of resonance circuits that are disposed to correspond to the plurality of displacement members, each include a coil facing the corresponding displacement member and a capacitor, and neighboring resonance circuits resonate at different resonance frequencies; anda calculator that calculates a thickness of the sheet based on impedance values of the plurality of resonance circuits and the plurality of displacement memberswherein capacitance values of the capacitors of the neighboring resonance circuits among the plurality of resonance circuits are set to increase a difference in resonance frequency.2. The sheet processing apparatus according to claim 1 , wherein the neighboring resonance circuits are made to resonate at resonance frequencies which are set with a difference larger than a variation width in resonance frequency which varies depending on a distance between the displacement member and the coil.3. (canceled)5. The sheet processing apparatus according to claim 1 , wherein capacitance values of the capacitors of the neighboring resonance circuits among the plurality of resonance circuits are set based on a variation width in mutual inductance of eddy currents flowing in the displacement members.8. The sheet processing apparatus according to claim 7 , wherein the resonance circuits claim 7 , the displacement members claim 7 , and the conveyance rollers are disposed at a plurality of positions in the direction crossing the conveying direction of the sheet.9. The sheet processing apparatus according to claim 6 , wherein the calculator calculates a total sum of parasitic resistance values of the first coil and the second coil and a parasitic resistance value of the corresponding ...

DETECTING AND PROCESSING MULTI FEEDING

An example print medium supplying apparatus includes a print medium transporting device to pick up a print medium loaded in a loading portion and transport the picked-up print medium, a print medium alignment portion to align a leading end of the transported print medium, a first sensor to sense the print medium that passes through a feed roller of the print medium transporting device, and a processor to, based on a measured value with respect to the print medium sensed by the first sensor and a multi-feeding determination reference value corresponding to a sheet of the print medium, detect multi-feeding of the print medium and process the detected multi-feeding by controlling the print medium transporting device and the print medium alignment portion.

PRINTING APPARATUS, CONTROL METHOD THEREFOR AND STORAGE MEDIUM

A printing apparatus includes a feeding roller configured to feed a printing sheet stacked on a stacking unit, a conveyance roller configured to convey the printing sheet fed by the feeding roller, a printing unit configured to print the printing sheet conveyed by the conveyance roller, a conveyance control unit configured to control conveyance of printing sheets so that the trailing edge of a preceding sheet as a printing sheet precedingly fed from the stacking unit and the leading edge of a succeeding sheet as a printing sheet succeedingly fed from the stacking unit overlap each other, and a determination unit configured to determine whether to convey the succeeding sheet to a position facing the printing unit while keeping an overlap state between the preceding sheet and the succeeding sheet. 1. A printing apparatus comprising:a feeding roller configured to feed a sheet;a conveyance roller configured to convey the sheet fed by the feeding roller;a printing unit configured to print an image on the sheet conveyed by the conveyance roller;a conveyance control unit configured to control conveyance of a preceding sheet and a succeeding sheet fed after the preceding sheet, wherein the conveyance control unit forms an overlap state in which a leading edge of the succeeding sheet is overlapping with the preceding sheet; anda determination unit configured to determine whether to convey the succeeding sheet to a position facing the printing unit while keeping the overlap state or to convey the succeeding sheet to the position having an interval between a trailing edge of the preceding sheet and the leading edge of the succeeding sheet after canceling the overlap state.2. The apparatus according to claim 1 ,wherein in a case that an overlap amount of the preceding sheet and the succeeding sheet is smaller than a threshold value, the determination unit determines to convey the succeeding sheet to the position having the interval after canceling the overlap state.3. The ...

SHEET CONVEYANCE APPARATUS AND IMAGE FORMING APPARATUS

A sheet conveyance apparatus including a transmission unit that transmits an ultrasonic wave toward a sheet and a reception unit that receives the ultrasonic wave includes a change unit that changes a distance of a conveyance path of the sheet according to sheet information about the sheet to be conveyed. 1. A sheet conveyance apparatus comprising:a transmission unit configured to transmit an ultrasonic wave toward a sheet being conveyed;a reception unit arranged opposite to the transmission unit across the sheet and configured to receive the ultrasonic wave;a conveyance guide unit configured to form a conveyance path through which the sheet being conveyed between the transmission unit and the reception unit passes; anda change unit configured to change a distance of the conveyance path in a thickness direction of sheet according to sheet information about the sheet to be conveyed.2. The sheet conveyance apparatus according to claim 1 , wherein whether double sheet feed occurs is determined based on a signal of the received ultrasonic wave.3. The sheet conveyance apparatus according to claim 1 , wherein sheet grammage is determined based on a signal of the received ultrasonic wave.4. The sheet conveyance apparatus according to claim 1 , wherein the change unit changes claim 1 , by moving the conveyance guide unit claim 1 , the distance of the conveyance path near an area through which the ultrasonic wave transmitted by the transmission unit and received by the reception unit propagates.5. The sheet conveyance apparatus according to claim 1 , wherein the conveyance guide unit includes a first guide member and a second guide member arranged opposite to the first guide member claim 1 , andwherein the change unit moves both of the first guide member and the second guide member in the thickness direction of the sheet to be conveyed.6. The sheet conveyance apparatus according to claim 1 , wherein the conveyance guide unit includes a first guide member and a second guide ...

SHEET CONVEYING APPARATUS AND IMAGE READING APPARATUS

A sheet conveying apparatus includes a tray having a plurality of sheets, a feeder to successively convey sheets stacked on the tray, a controller, and a double-feed sensor to detect double feed when the feeder conveys a plurality of sheets in an overlapping manner. When a double-feed length, which corresponds to a length, in a conveyance direction of the sheet, of a region in which the double feed has been detected by the double-feed sensor, is larger than a predetermined distance, the controller determines that the double feed has occurred. When the double-feed length is smaller than the predetermined distance and a sheet size is smaller than a predetermined size, the controller determines that the double feed has occurred. When the double-feed length is smaller than the predetermined distance and the sheet size is larger than the predetermined size, the controller determines that the double feed has not occurred. 1. A sheet conveying apparatus comprising:a tray on which a plurality of sheets are to be stacked;a feeder configured to successively convey sheets stacked on the tray;a double-feed sensor configured to detect double feed corresponding to a state in which a plurality of sheets are conveyed in an overlapping manner by the feeder; anda controller configured to determine whether or not the double feed has occurred,wherein, in a case where a double-feed length, which corresponds to a length, in a conveyance direction of the sheet, of a region in which the double feed has been detected by the double-feed sensor, is larger than a predetermined distance, the controller determines that the double feed has occurred,wherein, in a case where the double-feed length is smaller than the predetermined distance and a sheet size is smaller than a predetermined size, the controller determines that the double feed has occurred, andwherein, in a case where the double-feed length is smaller than the predetermined distance and the sheet size is larger than the predetermined ...

Medium feeding apparatus, image reading apparatus, and medium feeding method in medium feeding apparatus

A medium feeding apparatus capable of switching between a first feeding mode and a second feeding mode, in which in the first feeding mode, when a first detection section positioned downstream of a feeding roller in a medium feeding direction detects passage of a trailing end of a preceding medium in a feeding standby state in which driving of the feeding roller that feeds the medium is stopped, starting the driving of the feeding roller to perform feeding of a succeeding medium, and in the second feeding mode, when a second detection section positioned downstream of the first detection section in the medium feeding direction detects the passage of the trailing end of the preceding medium in the feeding standby state, starting the driving of the feeding roller to perform the feeding of the succeeding medium.

Medium transport device and image reading apparatus

A medium transport device includes a feeding roller which sends a medium to a downstream side; and a detecting unit which can detect the medium sent by the feeding roller at a predetermined position on a transport path, in which the detecting unit includes a lever member of which a posture is changed when being in contact with the medium, and a detecting portion which detects a change in posture of the lever member, and the lever member applies an external force which causes at least a part of the medium to be bent in a gravity direction by being in contact with the medium in a predetermined posture.

Image reading apparatus

An image reading apparatus includes a transport section that can transport original documents along a transport path, a reading section configured to read images of the original documents transported by the transport section, an output controller configured to output data of the original documents read by the reading section, a multi-sheet feed detection sensor configured to detect a multi-sheet feed of the original documents transported by the transport section, and an instruction section configured to issue an instruction to disable multi-sheet feed detection by the multi-sheet feed detection section.

PRINTING APPARATUS, CONTROL METHOD THEREFOR AND STORAGE MEDIUM

A printing apparatus includes a feeding roller configured to feed a printing sheet stacked on a stacking unit, a conveyance roller configured to convey the printing sheet fed by the feeding roller, a printing unit configured to print the printing sheet conveyed by the conveyance roller, a conveyance control unit configured to control conveyance of printing sheets so that the trailing edge of a preceding sheet as a printing sheet precedingly fed from the stacking unit and the leading edge of a succeeding sheet as a printing sheet succeedingly fed from the stacking unit overlap each other, and a determination unit configured to determine whether to convey the succeeding sheet to a position facing the printing unit while keeping an overlap state between the preceding sheet and the succeeding sheet. 1. A printing apparatus comprising:a feeding roller configured to feed a sheet;a conveyance roller configured to convey the sheet fed by the feeding roller;a printing unit configured to print an image on the sheet conveyed by the conveyance roller;a conveyance control unit configured to control conveyance of a preceding sheet and a succeeding sheet fed after the preceding sheet, wherein the conveyance control unit forms an overlap state in which a leading edge of the succeeding sheet is overlapping with the preceding sheet; anda determination unit configured to determine whether to convey the succeeding sheet to a position facing the printing unit while keeping the overlap state or to convey the succeeding sheet to the position having an interval between a trailing edge of the preceding sheet and the leading edge of the succeeding sheet after canceling the overlap state.2. The apparatus according to claim 1 ,wherein in a case that an overlap amount of the preceding sheet and the succeeding sheet is smaller than a threshold value, the determination unit determines to convey the succeeding sheet to the position having the interval after canceling the overlap state.3. The ...

MEDIUM CONVEYING APPARATUS TO DETERMINE WHETHER OVERLAP DETECTION IS VALID OR INVALID BASED ON POSITION OF END OF MEDIUM

A medium conveying apparatus includes a conveying roller to convey a medium, an end detection sensor for detecting a position of an end of the medium conveyed by the conveying roller, an overlap detection sensor for detecting an overlap of the medium conveyed by the conveying roller in a detection area, and a processor to determine whether an overlap detection is valid or invalid based on a positional relationship between the position of the end of the medium detected by the end detection sensor and the detection area, and execute an abnormality processing for multi-feed based on a detection result by the overlap detection sensor when it is determined that the overlap detection is valid. 1. A medium conveying apparatus comprising:a conveying roller to convey a medium;an end detection sensor for detecting a position of an end of the medium conveyed by the conveying roller;an overlap detection sensor for detecting an overlap of the medium conveyed by the conveying roller in a detection area; and determine whether an overlap detection is valid or invalid based on a positional relationship between the position of the end of the medium detected by the end detection sensor and the detection area, and', 'execute an abnormality processing for multi-feed based on a detection result by the overlap detection sensor when it is determined that the overlap detection is valid., 'a processor to'}2. The medium conveying apparatus according to claim 1 , whereinthe overlap detection sensor includes a receiver to detect a transmission intensity of an ultrasonic wave transmitted through the medium, and whereinthe detection area is an area on the medium passing over the receiver.3. The medium conveying apparatus according to claim 1 , whereinthe end detection sensor is an imaging device to generate an input image acquired by imaging the medium, and whereinthe processor identifies the position of the end of the medium based on the input image.4. The medium conveying apparatus according to ...

MEDIUM CONVEYING APPARATUS TO EXECUTE ABNORMALITY PROCESSING FOR MULTI-FEED BASED ON OVERLAP DETECTION WIDTH

A medium conveying apparatus includes a conveying roller to convey a medium, a width detection sensor for detecting a width of the medium conveyed by the conveying roller in a direction perpendicular to a conveying direction, an overlap detection sensor for detecting an overlap of the medium conveyed by the conveying roller, and a processor to determine whether to execute an abnormality processing for a multi-feed, based on the width of the medium acquired based on a detection result by the width detection sensor and a detection result by the overlap detection sensor. The processor acquires an overlap detection width being a width in which the medium is estimated to overlap in the direction perpendicular to the conveying direction, based on the detection result by the overlap detection sensor. The processor executes the abnormality processing when the width of the medium and the overlap detection width are equal. 1. A medium conveying apparatus comprising:a conveying roller to convey a medium;a width detection sensor for detecting a width of the medium conveyed by the conveying roller in a direction perpendicular to a conveying direction;an overlap detection sensor for detecting an overlap of the medium conveyed by the conveying roller; anda processor to determine whether to execute an abnormality processing for a multi-feed, based on the width of the medium acquired based on a detection result by the width detection sensor and a detection result by the overlap detection sensor, whereinthe processor acquires an overlap detection width being a width in which the medium is estimated to overlap in the direction perpendicular to the conveying direction, based on the detection result by the overlap detection sensor, and whereinthe processor executes the abnormality processing when the width of the medium and the overlap detection width are equal.2. The medium conveying apparatus according to claim 1 , wherein the processor does not execute the abnormality processing when ...

MEDIUM CONVEYING APPARATUS TO DETECT MULTI-FEED BASED ON CONTINUOUS OVERLAP PORTION

A medium conveying apparatus includes a conveying roller to convey a medium, an overlap detection sensor, a processor to detect an overlap portion in which it is determined that an overlap has occurred on the medium based on a detection output by the overlap detection sensor for the medium conveyed by the conveying roller, calculate an overlap length where the overlap portion is continuous based on a detection result of the overlap portion, determine whether a multi-feed has occurred based on the overlap length, and execute an abnormal processing for the multi-feed based on a determination result of the multi-feed. The processor determines that a first overlap portion and a second overlap portion are continuous when a distance between the first overlap portion and the second overlap portion is within a predetermined distance in calculating the overlap length. 1. A medium conveying apparatus comprising:a conveying roller to convey a medium;an overlap detection sensor; detect an overlap portion in which it is determined that an overlap has occurred on the medium based on a detection output by the overlap detection sensor for the medium conveyed by the conveying roller,', 'calculate an overlap length where the overlap portion is continuous based on a detection result of the overlap portion,', 'determine whether a multi-feed has occurred based on the overlap length, and', 'execute an abnormal processing for the multi-feed based on a determination result of the multi-feed, wherein, 'a processor to'}the processor determines that a first overlap portion and a second overlap portion are continuous when a distance between the first overlap portion and the second overlap portion is within a predetermined distance in calculating the overlap length.2. The medium conveying apparatus according to claim 1 , wherein the processor calculates the overlap length along a medium conveying direction claim 1 , a direction perpendicular to the medium conveying direction claim 1 , or both ...

SHEET CONVEYER DEVICE

A sheet conveyer device, including a transmitter to transmit ultrasonic waves arranged on a conveyer path to face a first side of a sheet; a receiver to receive the ultrasonic waves arranged on the conveyer path to face a second side of the sheet; a measurement unit to measure an intensity of the received ultrasonic waves; and a determination unit to determine a condition of a range in the conveyer path between the transmitter and the receiver among a first condition, wherein no sheet is present in the range, a second condition, in which a sheet is present in the range, and a third condition, in which a plurality of sheets are present in the range, based on intensities of the ultrasonic waves measured by the measurement unit in a plurality of periods separately after transmission of the ultrasonic waves, is provided. 1. A sheet conveyer device , comprising:a transmitter arranged on a conveyer path to face a first side of a sheet being conveyed in the conveyer path, the transmitter being configured to transmit ultrasonic waves;a receiver arranged on the conveyer path to face a second side of the sheet being conveyed in the conveyer path, the receiver being configured to receive the ultrasonic waves;a measurement unit configured to measure an intensity of the ultrasonic waves received in the receiver; anda determination unit configured to determine a condition of a range in the conveyer path between the transmitter and the receiver among a first condition, in which no sheet is present in the range, a second condition, in which a single sheet is present in the range, and a third condition, in which a plurality of sheets are present in the range in a layer, based on intensities of the ultrasonic waves measured by the measurement unit in a plurality of periods separately after transmission of the ultrasonic waves from the transmitter.2. The sheet conveyer device according to claim 1 ,wherein the determination unit determines the condition of the range based on the ...

SHEET FEEDING DEVICE, IMAGE FORMING APPARATUS, SHEET FEEDING METHOD

A sheet feeding device comprises sheet storage for storing a sheet, a merging conveying unit for feeding the sheet from the sheet storage to an image forming apparatus, a transmitting element for transmitting an ultrasonic signal to the sheet conveyed on the merging conveying unit, and a receiving element for receiving the ultrasonic signal having passed through the sheet and outputting an output signal according to strength of the received ultrasonic signal. When the sheet is a Japanese paper, the sheet feeding device detects double feeding of the sheet according to an average value of a plurality of the output signals and variation in a plurality of the output signals obtained for the one sheet. If the sheet is not double fed, the sheet is fed to the image forming apparatus. If the sheet is double fed, the sheet is discharged to the escape tray. 1. A sheet feeding device comprising:a sheet storage configured to store a sheet,a sheet feeder configured to feed the sheet stored in the sheet storage,a transmitter configured to transmit a signal to the sheet fed by the sheet feeder,a receiver configured to receive the signal which passes through the sheet and output an output signal according to strength of the received signal, anda controller configured to determine double feeding of the sheet fed by the sheet feeder according to an average value of values of a plurality of the output signals and variation in the values of the plurality of the output signals obtained for the one sheet if the sheet stored on the sheet storage is a first type sheet.2. The sheet feeding device according to claim 1 , further comprising:an escape conveying unit configured to discharge the sheet to a tray which is different from a target position, andwherein the controller is further configured to cause the conveying unit to convey a sheet which is determined as double feeding to the escape conveying unit and convey a sheet which is not double fed to the target position.3. The sheet feeding ...

IMAGE FORMING SYSTEM

In order to miniaturize an image forming system, the present invention provides an image forming system which is provided with a sheet feed apparatus including a transport roller pair capable of transporting a sheet in a sheet transport direction S, and an image forming apparatus including an image forming section capable of forming an image on the sheet acquired from the sheet feed apparatus, including a switch member disposed on the downstream side of the transport roller pair in the sheet transport direction to be switched between a first position for guiding the sheet transported by the transport roller pair to the image forming apparatus, and a second position for guiding the sheet transported by the transport roller pair downward, and a storage tray disposed below the switch member predetermined space apart to be able to store the sheet guided to below the switch member positioned in the second position. 2. The image forming system according to claim 1 , wherein the switch member guides the sheet obliquely downward from an upstream side in the sheet transport direction toward the downstream side in the sheet transport direction claim 1 , in the second position claim 1 , andthe side wall member includes a contact face capable of being brought into contact with the sheet guided by the switch member positioned in the second position.3. The image forming system according to claim 2 , wherein the sheet transport apparatus includes a guide member for guiding the sheet guided by the switch member positioned in the second position to the contact face.4. The image forming system according to claim 2 , wherein an end portion on the downstream side in the sheet transport direction in the storage tray is positioned below the contact face of the side wall member claim 2 , on the downstream side in the sheet transport direction.5. The image forming system according to claim 4 , wherein the storage tray includes an inclined face inclined obliquely downward from the end ...

MULTI-FEED DETECTION APPARATUS, SHEET CONVEYANCE APPARATUS, AND IMAGE FORMING APPARATUS

A multi-feed detection apparatus for detecting multi-feed of a sheet conveyed along a paper path is provided. The apparatus includes a first movement amount sensor disposed on the paper path to face a first surface of the sheet to detect a movement amount of the sheet; a second movement amount sensor disposed, on the paper path, in a position at which the first movement amount sensor is disposed to face a second surface of the sheet to detect a movement amount of the sheet; and a determination portion configured to determine that a conveyance state of the sheet is multi-feed when a difference between the movement amount of the sheet detected by the first movement amount sensor and the movement amount of the sheet detected by the second movement amount sensor is equal to or greater than a threshold. 1. A multi-feed detection apparatus for detecting multi-feed of a sheet conveyed along a paper path , the apparatus comprising:a first movement amount sensor disposed on the paper path to face a first surface of the sheet to detect a movement amount of the sheet;a second movement amount sensor disposed, on the paper path, in a position at which the first movement amount sensor is disposed to face a second surface of the sheet to detect a movement amount of the sheet; anda determination portion configured to determine that a conveyance state of the sheet is multi-feed when a difference between the movement amount of the sheet detected by the first movement amount sensor and the movement amount of the sheet detected by the second movement amount sensor is equal to or greater than a threshold.2. A sheet conveyance apparatus comprising:a sheet containing portion configured to hold a plurality of sheets therein;an advancing mechanism configured to advance, to a paper path, the sheet held in the sheet containing portion;a first movement amount sensor disposed on the paper path to face a first surface of the sheet to detect a movement amount of the sheet;a second movement amount ...

CONVEYANCE APPARATUS, READING APPARATUS, IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM

Provided is a conveyance apparatus capable of detecting the presence or absence of multi feeding with high accuracy even when a received waveform varies due to a “noise from the circuit” and an “influence due to vibrations” being fixedly generated noise components. The conveyance apparatus includes: an original conveying motor configured to convey an original; an ultrasonic transmitter, which is arranged at one of positions sandwiching a conveyance path along which the original is conveyed, and transmits an ultrasonic wave toward the conveyance path; and an ultrasonic receiver, which is arranged at the other one of the positions sandwiching the conveyance path, and receives the ultrasonic wave transmitted from the ultrasonic transmitter. The conveyance apparatus compares a received wave amplitude exhibited with sheet-presence against a threshold value determined based on a received wave amplitude exhibited with sheet-absence to determine whether the original is conveyed by the multi feeding. 1. A conveyance apparatus , comprising:a conveyer configured to convey a sheet;an ultrasonic transmitter, which is arranged at one of positions sandwiching a conveyance path along which the sheet is conveyed, and is configured to transmit an ultrasonic wave toward the conveyance path;an ultrasonic receiver, which is arranged at another one of the positions sandwiching the conveyance path, and is configured to receive the ultrasonic wave transmitted from the ultrasonic oscillator; anda determination unit configured to compare a signal received by the ultrasonic receiver with the sheet being present between the ultrasonic transmitter and the ultrasonic receiver and with the ultrasonic wave being transmitted by the ultrasonic transmitter against a threshold value determined based on a signal received and output by the ultrasonic receiver with the sheet not being present between the ultrasonic transmitter and the ultrasonic receiver and with the ultrasonic wave not being transmitted ...

MEDIUM FEEDING APPARATUS AND IMAGE READING APPARATUS

A medium feeding apparatus includes a feeding roller, a separation roller which nips a medium between the separation roller and the feeding roller to separate the medium and to which a driving torque is applied by a driving source in a second rotation direction that is opposite to a first rotation direction in which the medium is fed to a downstream side, and a torque limiter that causes the separation roller to idle in the first rotation direction when a rotational torque applied to the separation roller in the first rotation direction exceeds a limit torque that is a predetermined upper torque limit, in which separation setting including a pressing load of the separation roller, a rotational speed of the separation roller, and the limit torque is changeable according to condition of feeding. 1. A medium feeding apparatus comprising:a medium placing unit on which a medium is placed;a feeding roller that feeds the medium from the medium placing unit;a separation roller which nips the medium between the separation roller and the feeding roller to separate the medium and to which a driving torque is applied by a driving source in a second rotation direction that is opposite to a first rotation direction in which the medium is fed to a downstream side;a torque limiter that causes the separation roller to idle in the first rotation direction when a rotational torque applied to the separation roller in the first rotation direction exceeds a limit torque that is a predetermined upper torque limit;a torque changing unit that changes the limit torque; anda load changing unit that changes a pressing load of the separation roller against the feeding roller,wherein separation setting including the pressing load and the limit torque is changeable according to condition of feeding.2. A medium feeding apparatus comprising:a medium placing unit on which a medium is placed;a feeding roller that feeds the medium from the medium placing unit;a separation roller which nips the medium ...

IMAGE FORMING APPARATUS

An image forming apparatus includes: an image forming unit configured to form an image on a sheet being conveyed on a horizontal path; and a double feed sensor configured to execute double feed detection processing of detecting a state in which a plurality of sheets being conveyed on the horizontal path are conveyed in a duplicate manner. The image forming apparatus includes a double feed detection function table, in which whether to enable or disable the double feed detection processing is set according to a type of a sheet. The image forming apparatus determines whether to execute the double feed detection processing at a time of image formation in accordance with sheet setting information including information on a characteristic of a sheet to be used for the image formation and setting information on whether to execute the double feed detection processing, and the double feed detection function table. 1. An image forming apparatus , comprising:an image forming unit configured to form an image on a sheet being conveyed on a conveyance path;a double feed sensor configured to execute double feed detection processing of detecting a state in which a plurality of sheets are conveyed in a duplicate manner;a storage configured to store, according to a type of a sheet, in advance setting of whether to enable or disable the double feed detection processing; an automatic mode, in which whether to enable the double feed detection processing is determined based on the setting stored in the storage;', 'an on mode, in which the double feed detection processing is enabled irrespective of the setting stored in the storage; and', 'an off mode, in which the double feed detection processing is disabled irrespective of the setting stored in the storage; and, 'the double feed detection setting information including settings for, 'a setting unit configured to set sheet setting information including characteristic information on a characteristic of a sheet to be used for image ...

MEDIUM SUPPLYING APPARATUS

A medium supplying apparatus includes a control unit. The control unit executes: a first control in which, in a case where a double feed detecting sensor detects a double feed of media, rotation drive of a separator roller is stopped, and a retard roller is caused to convey the media to an upstream side in a conveying direction; and a second control in which, after the execution of the first control, the rotation drive of the separator roller is restarted, and, in a case where the double feed detecting sensor detects a double feed of the media, a conveying load applied is set to be higher than that at the time of detecting the double feed before the execution of the first control, the rotation drive of the separator roller is stopped, and the retard roller is caused to convey the media to the upstream side in the conveying direction. 1. A medium supplying apparatus comprising:a separator roller configured to convey media to a downstream side in a conveying direction by being driven to rotate in the conveying direction in which the media are conveyed;a retard roller that is disposed to face the separator roller and is configured to be driven to rotate in a direction opposite to the conveying direction while applying a predetermined conveying load to the media through a torque control mechanism;a double feed detecting sensor that is disposed on a downstream side of the separator roller and the retard roller in the conveying direction and is configured to detect a double feed of the media; anda control unit configured to control the separator roller and the retard roller,wherein the control unit executes:a first control in which, in a case where the double feed detecting sensor detects a double feed of the media, rotation drive of the separator roller is stopped, and the retard roller is caused to convey the media to an upstream side in the conveying direction; anda second control in which, after the execution of the first control, the rotation drive of the separator ...

Medium conveying apparatus for determining conveyance abnormality based on determination result of floating and skew of medium

A medium conveying apparatus includes a floating sensor located on an upstream side of a first roller in the medium conveying direction to detect a floating of the medium placed on a medium tray, a skew sensor located on a downstream side of a second roller in the medium conveying direction to detect a skew of the medium conveyed by the second roller, and a processor to determine whether the floating of the medium has occurred based on an output signal from the floating sensor, determine whether the skew of the medium has occurred based on an output signal from the skew sensor, and determine that a conveyance abnormality of the medium has occurred when the processor determines that the floating of the medium has occurred and the processor determines that the skew of the medium has occurred.

METHOD AND DEVICE FOR DETECTING OVERLAPPED BANK NOTES

A method for detecting overlapped bank notes is provided. The method includes: step , collecting original image data of bank notes; step , performing security thread positioning detection on the original image data of the bank notes, to obtain security thread detection data; step , determining whether the security thread detection data meets a preset security thread reference condition, going to step if the security thread detection data meets the preset security thread reference condition, and going to step if the security thread detection data does not meet the preset security thread reference condition; step , obtaining a determination result that the bank notes are not overlapped, and ending the method; and step , obtaining a determining result that the bank notes are overlapped, and ending the method. 1. A method for detecting overlapped bank notes , comprising:{'b': '10', 'step : collecting original image data of bank notes;'}{'b': '20', 'step : performing security thread positioning detection on the original image data of the bank notes, to obtain security thread detection data;'}{'b': 40', '60', '70, 'step : determining whether the security thread detection data meets a preset security thread reference condition, going to step if the security thread detection data meets the preset security thread reference condition, and going to step if the security thread detection data does not meet the preset security thread reference condition;'}{'b': '60', 'step : obtaining a determination result that the bank notes are not overlapped, and ending the method; and'}{'b': '70', 'step : obtaining a determining result that the bank notes are overlapped, and ending the method.'}220. The method for detecting overlapped bank notes according to claim 1 , wherein in the step claim 1 , the security thread detection data comprises:a physical distance (X1,Y1) from an upper left vertex of a position of a security thread to a calibration side of a scanner,a physical distance (Xr, Yr) ...

SHEET CONVEYING DEVICE FOR CONVEYING SHEETS SUCH AS DOCUMENTS, RECORDING PAPER, AND THE LIKE

Provided is a sheet conveying device capable of suppressing the recurrence of overlapped feeding in accordance with the detection of overlapped feeding. The sheet conveying device includes a paper-supply roller and a conveying roller. A sheet-detecting unit detects a leading edge position of a sheet. An overlapped-feeding-detecting unit detects overlapped-feeding of sheets. An overlapped-feeding-distance-calculating unit, based on detection results, calculates an overlapped-feeding distance in which sheets are overlapped. A conveyance-control unit causes the paper-supply roller to stop at a timing when a position separated a set length in a sheet-conveyance direction from a sheet trailing edge reaches the paper-supply roller. The conveyance-control unit, in a case where detection of overlapped feeding by the overlapped-feeding-detecting unit occurs a plurality of times, extends the set length based on the overlapped-feeding distance. 172. A sheet conveying device comprising a paper-supply roller for feeding sheets one by one from a paper-supply unit to a paper-conveyance path , and a conveying-roller for conveying sheets fed to the paper-conveyance path by the paper-supply roller ; and further comprising:a sheet-detecting unit for detecting a leading edge position of a sheet;an overlapped-feeding-detecting unit for detecting overlapped feeding of sheets;an overlapped-feeding-distance-calculating unit that, based on the detection results of the sheet-detecting unit and the overlapped-feeding-detecting unit, calculates an overlapped-feeding distance in which sheets are overlapped; anda conveyance-control unit that causes the paper-supply roller to stop at a timing when a position separated a set length in a sheet-conveyance direction from a sheet trailing edge reaches the paper-supply roller; wherein,the conveyance-control unit, in a case where detection of overlapped feeding by the overlapped-feeding-detecting unit occurs a plurality of times, extends the set length ...

SHEET CONVEYING DEVICE, IMAGE FORMING APPARATUS INCORPORATING SAME, AND METHOD OF CONVEYING A SHEET IN THE IMAGE FORMING APPARATUS

A sheet conveying device, which is incorporated in an image forming apparatus, includes a fixing device to fix an image to a sheet, a holding/conveying belt device having a plurality of belts to sandwich and convey the sheet to a downstream side from the fixing device, and a first sheet detector to detect whether the sheet exists in the belt device. When the sheet is detected at a paper jam, the fixing device and the belt device are continuously driven. When not detected, driving of the fixing device and the belt device is stopped. A method of conveying the sheet includes detecting the paper jam in the image forming apparatus, detecting the sheet in the belt device or between the fixing device and the belt device, and continuing at least one of the belt device and the fixing device based on a sheet detection result. 1. A sheet conveying device comprising:a fixing device to fix an image to a sheet;a holding/conveying belt device having a plurality of belts to convey the sheet discharged from the fixing device to a downstream side of the fixing device in a sheet conveying direction while sandwiching the sheet between the belts; anda first sheet detector to detect whether the sheet exists in the holding/conveying belt device,wherein, when the first sheet detector detects the sheet in an event of a paper jam, the fixing device and the holding/conveying belt device are continuously driven for a given time,wherein, when the first sheet detector does not detect the sheet, the fixing device and the holding/conveying belt device are stopped.2. The sheet conveying device according to claim 1 , wherein the first sheet detector is a sensor disposed between the fixing device and the holding/conveying belt device.3. The sheet conveying device according to claim 1 , further comprising a second sheet detector disposed at an exit of the conveying belt claim 1 ,wherein, when the first sheet detector detects the sheet, it is determined that the sheet exists in the holding/conveying ...

IMAGE FORMING APPARATUS AND FEEDING APPARATUS

A feeding apparatus includes a feeding member, first and second conveying members, a separation member, and drive and control units. The feeding member feeds a recording material placed on a tray. The separation member and the first conveying member form a nip portion and separates recording materials at the nip portion. The second conveying member conveys a conveyed recording material. The drive unit drives at least the feeding member. The control unit controls to feed first and second recording materials such that a second recording material front edge passes the nip portion before a first recording material rear edge passes the nip portion, and controls to stop the second recording material after the second recording material front edge has passed the nip portion such that the first recording material rear edge reaches the second conveying member before the second recording material front edge reaches the second conveying member. 1. An image forming apparatus comprising:a feeding member configured to feed a recording material placed on a tray;an imaging forming unit for forming an image on the recording material fed by the feeding member;a conveying member configured to convey the recording material that has been fed by the feeding member;a separation member configured to form a nip portion together with the conveying member and separate a plurality of recording materials from each other at the nip portion;a transmitting unit configured to transmit an ultrasonic wave;a receiving unit configured to receive the ultrasonic wave that is transmitted from the transmitting unit and that has passed through the recording material; anda control unit configured to control a feeding operation performed by the feeding member,wherein the control unit controls a first feeding operation such that a first recording material placed on the tray is fed and a second recording material, which is to be fed next to the first recording material, is fed for a predetermined distance so ...

DETERMINING DEVICE, CONVEYING DEVICE, IMAGE READING DEVICE, AND IMAGE FORMING APPARATUS

A determining device includes an acquisition processing portion and a determination processing portion. The acquisition processing portion acquires a signal based on an ultrasonic wave emitted toward an object conveyed in a specific direction. The determination processing portion determines whether or not a first time period is equal to or larger than a predetermined first time threshold, wherein the first time period is a time period during which a level of the signal changes from a predetermined first level threshold to a second level threshold that is smaller than the first level threshold. 1. A determining device comprising:an acquisition processing portion configured to acquire a signal based on an ultrasonic wave emitted toward an object conveyed in a specific direction; anda determination processing portion configured to determine whether or not a first time period is equal to or larger than a predetermined first time threshold, wherein the first time period is a time period during which a level of the signal changes from a predetermined first level threshold to a second level threshold that is smaller than the first level threshold.2. The determining device according to claim 1 , whereinthe first time threshold is determined based on: a velocity at which the object is conveyed in the specific direction; and a distance from an end of the object on the first direction side in a reverse direction of the specific direction.3. The determining device according to claim 1 , whereinthe first level threshold and the second level threshold are determined based on a thickness of the object in an intersecting direction that intersects the specific direction.4. The determining device according to claim 1 , whereinupon determining that the first time period is not equal to or larger than the first time threshold, the determination processing portion further determines whether or not a second time period is equal to or larger than a second time threshold, wherein the ...

MEDIUM PROCESSING APPARATUS AND CONTROL METHOD OF MEDIUM PROCESSING APPARATUS

A medium processing apparatus includes: an ultrasonic oscillator; an ultrasonic sensor arranged at a position that opposes the ultrasonic oscillator interposing a transport path of a medium; an amplification circuit configured to amplify an output signal of the ultrasonic sensor; an integration circuit configured to integrate an output signal of the amplification circuit; a discharge circuit configured to perform discharge of an electric charge of a power storage circuit included in the integration circuit; and a determination circuit configured to determine whether or not multi-feed of the medium occurs on the basis of an output signal of the integration circuit, in which the discharge circuit stops, after performing discharge over a first period or more, the discharge, and after a second period has passed, the determination circuit performs a first (an initial) determination whether or not the multi-feed of the medium occurs. 1. A medium processing apparatus comprising:an ultrasonic oscillator;an ultrasonic sensor arranged at a position that opposes the ultrasonic oscillator interposing a transport path of a medium having a sheet shape;an amplification circuit configured to amplify an output signal of the ultrasonic sensor;an integration circuit configured to integrate an output signal of the amplification circuit;a discharge circuit configured to perform discharge of an electric charge of a power storage circuit included in the integration circuit; anda determination circuit configured to determine whether or not multi-feed of the medium occurs on the basis of an output signal of the integration circuit,wherein the discharge circuit stops, after performing discharge over a first period or more, the discharge, and after a second period has passed, the determination circuit performs a first determination whether or not the multi-feed of the medium occurs.2. The medium processing apparatus according to claim 1 ,wherein the first period is a predetermined period in ...

MEDIUM FEEDING DEVICE, IMAGE READING APPARATUS, AND RECORDING APPARATUS

A medium feeding device includes an imaging unit which images a medium tip end portion from a position of facing a face of the medium on a downstream side of a nipping position of the medium using a feeding unit and a separating unit; and a determining unit which determines whether or not there is transport disorder by evaluating a state of a boundary between a path member which forms a medium transport path and a medium tip end from image data obtained by the imaging unit, in which the determining unit sets a rectangular determining region including at least a part of the boundary with respect to the image data, and determines whether or not there is transport disorder based on a length of a boundary in the determining region. 1. An image reading apparatus comprising:a reading unit which reads a medium;a medium mounting unit on which the medium is mounted;a feeding unit which feeds the medium in a first direction from the medium mounting unit;a separating unit which separates the medium between the feeding unit and the separating unit by nipping the medium at a nip position;a transporting unit which is disposed between the nip position and the reading unit, the transporting unit transports the medium fed by the feeding unit to the reading unit;an image capturing unit which is disposed between the nip position and the reading unit, and which captures an image of a medium tip end portion from a position of facing a face of the medium; anda controller which determines whether or not there is transport disorder by evaluating a state of a boundary between a path member which forms a medium transport path and a medium tip end from the image captured by the image capturing unit, stops the feeding of the medium when there is transport disorder, or', 'reads the medium by the reading unit when there is no transport disorder., 'wherein, after the controller determines whether or not there is transport disorder, the controller'}29-. (canceled)10. The image reading apparatus ...

Media conveyance apparatus

A media conveyance apparatus includes a first conveyer configured to convey media along a conveyance path, a first detector configured to detect overlap-feed of the media conveyed by the first conveyor; and a controller programmed to control operation of the first conveyor based on a detection value from the first detector, a first threshold for detection of single-feed of the media, and a second threshold for detection of overlap-feed of the media.

Ultrasonic Sensor, Electronic Apparatus, And Method Of Driving Ultrasonic Sensor

An ultrasonic sensor includes a transmission unit that is disposed on a first axis which is inclined with respect to a normal line of a surface of an object, a reception unit that is provided on a side opposite to the transmission unit of the object, on the first axis, and a transmission control unit that controls drive of the transmission unit. The transmission unit includes a plurality of transmission elements that transmit ultrasonic waves, and the plurality of transmission elements are arranged in a first direction that intersects the first axis in a plane including the normal line and the first axis. The transmission control unit delay-drives the plurality of transmission elements to align a direction of the ultrasonic wave that is transmitted from the transmission unit with the first axis. 1. An ultrasonic sensor comprising:a transmission unit that is disposed on a first axis which is inclined with respect to a normal line of a surface of an object;a reception unit that is provided on a side opposite to the transmission unit of the object, on the first axis; anda transmission control unit that controls drive of the transmission unit,wherein the transmission unit includes a plurality of transmission elements that transmit ultrasonic waves, and the plurality of transmission elements are arranged in a first direction that intersects the first axis in a plane including the normal line and the first axis, andwherein the transmission control unit delay-drives the plurality of transmission elements to align a direction of the ultrasonic wave that is transmitted from the transmission unit with the first axis.2. The ultrasonic sensor according to claim 1 ,wherein an arrangement interval between the plurality of transmission elements is one to two times a wavelength of the ultrasonic wave that is output from the transmission element.3. The ultrasonic sensor according to claim 1 , further comprising:n+1 transmission circuits in which the transmission elements that are ...

IMAGE FORMING APPARATUS AND FEEDING APPARATUS

A feeding apparatus includes a feeding member, first and second conveying members, a separation member, and drive and control units. The feeding member feeds a recording material placed on a tray. The separation member and the first conveying member form a nip portion and separates recording materials at the nip portion. The second conveying member conveys a conveyed recording material. The drive unit drives at least the feeding member. The control unit controls to feed first and second recording materials such that a second recording material front edge passes the nip portion before a first recording material rear edge passes the nip portion, and controls to stop the second recording material after the second recording material front edge has passed the nip portion such that the first recording material rear edge reaches the second conveying member before the second recording material front edge reaches the second conveying member. 1. An image forming apparatus comprising:a feeding member configured to feed a recording material placed on a tray;a conveying member configured to convey the recording material that has been fed by the feeding member;a separation member configured to form a nip portion together with the conveying member and separate a plurality of the recording materials from each other at the nip portion;an image forming unit configured to form an image on the recording material at an image forming position downstream of the conveying member in a conveyance direction of recording material;a drive unit configured to drive at least the conveying member; anda control unit configured to control driving of the conveying member,wherein, in a case in which a length of the recording material in the conveyance direction is equivalent to or longer than a distance along a conveyance path between a position of the nip portion and the image forming position, without ending driving of the conveying member with the drive unit after a front edge of the recording ...

Double feed exceptions identifying system

Examples of a system and method for identifying double feed documents are generally described. A method may include scanning a plurality of documents using a scanner in a first configuration and rejecting identified potential double feeds of checks from the plurality of checks in the first configuration. The method may include rescanning identified potential double feeds in a second configuration.

PAPER CONVEYING APPARATUS, JAM DETECTION METHOD, AND COMPUTER PROGRAM

Provided is a paper transporting device and the like capable of suppressing errors in determining jam occurrences. A paper transporting device has: a transport mechanism; an audio signal output unit that outputs an audio signal according to the sound generated during paper transport; an audio jam determination unit that determines, on the basis of the audio signal, whether a jam has occurred; and a control unit that stops paper transport when the audio jam determination unit determines that a jam has occurred. The control unit controls, in the case of card stock or paperboard being transported by the transport mechanism, so that the audio jam determination unit determines whether a jam has occurred at predetermined times using a determination method that is different than the method at other times or so that the audio jam determination unit does not determine whether a jam has occurred. 1. A paper conveying apparatus comprising:a conveyor mechanism;a sound signal generator for generating a sound signal corresponding to a sound generated by a paper during conveyance of the paper;a sound jam detector for determining whether a jam has occurred based on the sound signal; anda control module for stopping conveyance of a paper when the sound jam detector determines that a jam has occurred, whereinthe control module controls so that the sound jam detector determines whether a jam has occurred at a predetermined timing by a determining method different from a determining method at other timings, or so that the sound jam detector does not determine whether a jam has occurred, when a card or thick paper is conveyed by the conveyance mechanism.2. The paper conveying apparatus according to claim 1 , further comprising:a paper thickness detector for detecting a thickness of conveyed paper; anda paper determining module for determining when conveyed paper is a card or thick paper based on the thickness of the paper.3. The paper conveying apparatus according to wherein the control ...

TRANSPORT DEVICE

A transport device includes: a medium support unit having a placement surface where a sheet-like medium is placed; a transport unit supplied with the medium placed at the placement surface and transporting the medium in a transport direction along a sheet surface of the medium; an ultrasonic transmitting unit provided at a part of the medium support unit and transmitting an ultrasonic wave; an ultrasonic receiving unit provided at another part of the medium support unit, and receiving the ultrasonic wave and outputting a received signal; and a floating detection unit determining whether a floating of the medium from the placement surface is present or not, based on the received signal. 1. A transport device comprising:a medium support unit having a placement surface where a sheet-like medium is placed;a transport unit supplied with the medium placed at the placement surface and transporting the medium in a transport direction along a sheet surface of the medium;an ultrasonic transmitting unit provided at a part of the medium support unit and transmitting an ultrasonic wave;an ultrasonic receiving unit provided at another part of the medium support unit, and receiving the ultrasonic wave and outputting a received signal; anda floating detection unit determining whether a floating of the medium from the placement surface is present or not, based on the received signal.2. The transport device according to claim 1 , whereinthe medium support unit has a first guide and a second guide coming into contact with the medium placed at the placement surface from both sides of a direction along the sheet surface and orthogonal to the transport direction, and guiding the medium in the transport direction,the ultrasonic transmitting unit is provided at the first guide, andthe ultrasonic receiving unit is provided at the second guide.3. The transport device according to claim 1 , whereinthe medium support unit has a first guide and a second guide coming into contact with the medium ...

SHEET TRANSPORT DEVICE, IMAGE READING DEVICE, AND IMAGE FORMING APPARATUS

A sheet transport device includes a sheet transport path along which at least one sheet is transported to a nip defined by a fixing roller and a displacement roller, a sensing unit disposed on the sheet transport path, an opening and closing member that is movable between a closed position at which the sheet transport path is formed and an open position at which the sheet transport path is exposed, and a guide member that is attached to the opening and closing member and that moves by following displacement of the displacement roller in such a manner as to maintain a certain distance from the sensing unit. 1. A sheet transport device comprising:a sheet transport path along which at least one sheet is transported to a nip defined by a fixing roller and a displacement roller;a sensing unit disposed on the sheet transport path;an opening and closing member that is movable between a closed position at which the sheet transport path is formed and an open position at which the sheet transport path is exposed; anda guide member that is attached to the opening and closing member and that moves by following displacement of the displacement roller in such a manner as to maintain a certain distance from the sensing unit.2. The sheet transport device according to claim 1 ,wherein the guide member has a first end portion that is rotatably supported by the opening and closing member and a second end portion that is fitted into a rotary shaft of the displacement roller so as to be movable in a transport direction of the sheet and moves by following displacement of the displacement roller.3. The sheet transport device according to claim 2 ,wherein, in the transport direction of the sheet, the first end portion of the guide member is located at a position upstream from the sensing unit, and the second end portion of the guide member is located at a position downstream from the sensing unit in such a manner that the guide member covers the sensing unit.4. The sheet transport device ...

IMAGE FORMING APPARATUS AND FEEDING APPARATUS

A feeding apparatus includes a feeding member, first and second conveying members, a separation member, and drive and control units. The feeding member feeds a recording material placed on a tray. The separation member and the first conveying member form a nip portion and separates recording materials at the nip portion. The second conveying member conveys a conveyed recording material. The drive unit drives at least the feeding member. The control unit controls to feed first and second recording materials such that a second recording material front edge passes the nip portion before a first recording material rear edge passes the nip portion, and controls to stop the second recording material after the second recording material front edge has passed the nip portion such that the first recording material rear edge reaches the second conveying member before the second recording material front edge reaches the second conveying member. 1. A feeding apparatus comprising:a feeding member that feeds a recording material placed on a tray;a first conveying member that conveys the recording material that has been fed by the feeding member;a separation member that forms a nip portion together with the first conveying member and that separates a plurality of the recording materials from each other at the nip portion;a second conveying member that conveys the recording material that has been conveyed by the first conveying member;a drive unit that drives at least the feeding member; anda control unit that controls the drive unit to feed, with the feeding member, a first recording material placed on the tray, and to feed, with the feeding member, a second recording material placed on the tray such that a front edge of the second recording material passes the nip portion before a rear edge of the first recording material passes the nip portion, and that controls the drive unit to stop the second recording material after the front edge of the second recording material has passed ...

SHEET CONVEYANCE APPARATUS, IMAGE READING APPARATUS, AND IMAGE FORMING APPARATUS

Provided is a sheet conveyance apparatus armored with a housing, the sheet conveyance apparatus includes: a sheet conveyor that feeds a sheet to a downstream side in a direction of conveyance; a conveyance guide that guides the sheet to be conveyed; an ultrasonic sensor that detects the sheet guided by the conveyance guide; and a shield member that is conductive, wherein the ultrasonic sensor includes: a transmitter that transmits an ultrasonic wave having a predetermined frequency; and a receiver that receives the ultrasonic wave, the transmitter and the receiver are arranged along the conveyance guide, and the shield member is disposed between the housing and the receiver in a sheet-face perpendicular direction at an ultrasonic-irradiation position of the sheet being conveyed, the shield member covering an entirety of the receiver in plan view in the sheet-face perpendicular direction. 1. A sheet conveyance apparatus armored with a housing , the sheet conveyance apparatus comprising:a sheet conveyor that feeds a sheet to a downstream side in a direction of conveyance;a conveyance guide that guides the sheet to be conveyed;an ultrasonic sensor that detects the sheet guided by the conveyance guide; anda shield member that is conductive, whereinthe ultrasonic sensor includes:a transmitter that transmits an ultrasonic wave having a predetermined frequency; anda receiver that receives the ultrasonic wave,the transmitter and the receiver are arranged along the conveyance guide, andthe shield member is disposed between the housing and the receiver in a sheet-face perpendicular direction at an ultrasonic-irradiation position of the sheet being conveyed, the shield member covering an entirety of the receiver in plan view in the sheet-face perpendicular direction.2. The sheet conveyance apparatus according to claim 1 , whereinthe receiver is disposed closer to the shield member than the transmitter is in the sheet-face perpendicular direction.3. The sheet conveyance ...

Transporting apparatus

A transporting apparatus includes a speaker and a microphone that are arranged opposite to each other with respect to a transportation path, and a controller that controls a transportation mechanism based on microphone output obtained by causing the microphone to acquire a sound emitted by the speaker. The controller uses the microphone to acquire the sound emitted by the speaker and changes, based on the microphone output, at least any of a time period during which the speaker is driven, output from the speaker, and the microphone output.

SHEET FEEDER, AND METHOD AND COMPUTER-READABLE MEDIUM THEREFOR

A sheet feeder includes a controller configured to control an emitter to emit an ultrasonic wave toward a target sheet being fed along a sheet guide, control a measurer to measure a first reception intensity of a first component of the ultrasonic wave received by a receiver during a first period of time, control the measurer to measure a second reception intensity of a second component of the ultrasonic wave received by the receiver during a second period of time, and determine a feeding state of the target sheet in a detectable area between the emitter and the receiver within the sheet guide, based on the first reception intensity and the second reception intensity. 1. A sheet feeder comprising:a sheet guide;an emitter disposed to face a first side of a sheet being fed along the sheet guide, the emitter being configured to emit ultrasonic waves;a receiver opposed to the emitter across the sheet guide, the receiver being disposed to face a second side of the sheet being fed along the sheet guide, the second side being an opposite side of the first side, the receiver being configured to receive the ultrasonic waves;a measurer configured to measure reception intensities of the ultrasonic waves received by the receiver; and controlling the emitter to emit an ultrasonic wave toward a target sheet being fed along the sheet guide;', 'in response to the emission of the ultrasonic wave, controlling the measurer to measure a first reception intensity of a first component of the ultrasonic wave received by the receiver during a first period of time;', 'controlling the measurer to measure a second reception intensity of a second component of the ultrasonic wave received by the receiver during a second period of time after the first period of time; and', 'determining a feeding state of the target sheet in a detectable area between the emitter and the receiver within the sheet guide, based on the first reception intensity of the first component received during the first period ...

MULTI-FEED DETECTION DEVICE AND ELECTRONIC DEVICE

A multi-feed detection device includes a transmission circuit substrate on which an ultrasonic transmitter transmitting an ultrasonic wave is installed, and an ultrasonic receiver having a receiving surface which receives the ultrasonic wave. The ultrasonic transmitter transmits the ultrasonic wave in a direction intersecting a thickness direction of the transmission circuit substrate, and a cross-section of the ultrasonic wave orthogonal to an advancing direction of the ultrasonic wave is wider than the receiving surface seen from the advancing direction of the ultrasonic wave.

Multi-Feed Detection Device And Electronic Device

A multi-feed detection device includes a transmission circuit substrate to which an ultrasonic transmitter transmitting an ultrasonic wave is installed, and an ultrasonic receiver receiving the ultrasonic wave. The ultrasonic transmitter has arrayed ultrasonic transmission elements and transmits ultrasonic waves with different phases from the ultrasonic transmission elements to transmit the ultrasonic waves in a direction diagonally intersecting a thickness direction of the transmission circuit substrate.

Multi-Feed Detection Device, Multi-Feed Detection Method, And Electronic Device

A multi-feed detection device includes a transmission circuit substrate on which an ultrasonic transmitter transmitting an ultrasonic wave is installed, and an ultrasonic receiver receiving the ultrasonic wave. The ultrasonic transmitter transmits the ultrasonic wave in a direction intersecting a thickness direction of the transmission circuit substrate and at least one of the ultrasonic transmitter and the ultrasonic receiver has a plurality of ultrasonic elements. 1. A multi-feed detection device comprising:a substrate on which an ultrasonic transmitter transmitting an ultrasonic wave is installed;an ultrasonic receiver receiving the ultrasonic wave; anda control unit controlling the ultrasonic transmitter and the ultrasonic receiver, whereinthe ultrasonic transmitter transmits the ultrasonic wave in a direction intersecting a thickness direction of the substrate, andat least one of the ultrasonic transmitter and the ultrasonic receiver has a plurality of ultrasonic elements, and the control unit sets an ultrasonic element to be operated among the plurality of ultrasonic elements.2. The multi-feed detection device according to claim 1 , whereinthe ultrasonic transmitter includes one ultrasonic element group including the ultrasonic element driven with the same drive signal,the ultrasonic receiver includes the plurality of ultrasonic elements, andthe ultrasonic receiver receives the ultrasonic wave transmitted by the ultrasonic transmitter, and the ultrasonic receiver outputs an electrical signal corresponding to an intensity of the ultrasonic wave from the ultrasonic element which receives the ultrasonic wave with a strongest intensity, among the plurality of ultrasonic elements.3. The multi-feed detection device according to claim 1 , whereinthe ultrasonic transmitter includes the plurality of ultrasonic elements, and the ultrasonic receiver includes one ultrasonic element,the ultrasonic receiver receives the ultrasonic wave transmitted by the ultrasonic ...

Method of Correcting a Multi-Feed in an Automatic Document Feeder

A method for operating a paper feed system for use in a printing apparatus that detects multi-feeds and separates all sheets while allowing a single sheet to continue is disclosed. The separation method controls a motor for the separator roller that can be torque controlled, allowing varying torques depending on media type and/or user input. The separation method detects multi-feeds, correct the multi-feed, and ultimately feeds one sheet at a time through the automatic document feeder. 1. A method of separating multi-feeds in an automatic document feeder , comprising:initiating a scan request so that at least one media page advances to the multi-feed sensor;stopping the pick motor if a multi-feed is detected;increasing the separator motor torque in gradual increments, to provide additional separating torque;determining if the multi-feed is clear;restarting pick motor if the multi-feed is clear;resuming normal feed and separation process.2. The method of claim 1 , wherein the sensor is ultra-sonic.3. The method of claim 1 , wherein the sensor is optical.4. The method of claim 1 , wherein a driving feed belt mated with a counter-rotating separator roller is used claim 1 , and the separator roller is counter-rotated to prevent multiple sheets from feeding.5. The method of claim 4 , wherein the separator roller is torque controlled with a motor. This patent application is related to the U.S. patent application Ser. No. ______, entitled “Automatic Document Feeder Multi-Feed Corrector,” which is filed contemporaneously herewith and assigned to the assignee of the present application.This invention relates generally to an automatic document feeder for a scanner in an image forming apparatus, and more particularly, to a separation system that uses a motor for the separator roller. The motor may be torque controlled to allow varying torques depending on media type and/or user input. It can also allow the separation system to detect multi-feeds, correct the multi-feeds, and ...

Medium feeding device

A medium feeding device is provided with a feeding section for feeding a medium and sensors for detecting the medium. The feeding section includes a feed roller and a separation roller, the sensors form a sensor line in which the plurality of sensors is aligned in a feeding direction of the medium to be fed, the two sensor lines are arranged in such a manner that the sensors overlap with each other in a width direction of the medium to be fed, and the sensor lines are so configured as to extend, in the feeding direction, from an upstream region upstream of a nip point where the feed roller and the separation roller make contact with each other, a nip region including the nip point, and to a downstream region downstream of the nip point.

ULTRASONIC DEVICE AND ELECTRONIC APPARATUS

An ultrasonic device has a substrate in which ultrasonic elements transmitting an ultrasonic wave in a first direction are arrayed. A reverberation reduction film which reduces reverberant vibration of the substrate is arranged on a side of the first direction in the ultrasonic element. In the reverberation reduction film, a groove is arranged between the ultrasonic elements next to each other. 1. An ultrasonic device comprising a substrate in which ultrasonic elements transmitting an ultrasonic wave in a first direction are arrayed , whereina reverberation reduction film which reduces reverberant vibration of the substrate is arranged on a side of the first direction in the ultrasonic element, andin the reverberation reduction film, a groove is arranged between the ultrasonic elements next to each other.2. The ultrasonic device according to claim 1 , whereina material of the reverberation reduction film includes silicone rubber.3. The ultrasonic device according to claim 1 , whereina recess is arranged in the reverberation reduction film at a position facing the ultrasonic element.4. An electronic apparatus comprising a multi-feed detection device which is installed in a transport path of a medium and which detects whether two or more of the media are superimposed on each other or not claim 1 , wherein{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the multi-feed detection device has the ultrasonic device according to .'}5. An electronic apparatus comprising:an ultrasonic transmitter which transmits an ultrasonic wave; andan ultrasonic receiver which receives the ultrasonic wave transmitted from the ultrasonic transmitter, wherein{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the ultrasonic transmitter has the ultrasonic device according to .'}6. An ultrasonic device comprising a substrate in which ultrasonic elements receiving an ultrasonic wave traveling from a first direction are arrayed claim 1 , whereina reverberation reduction film which reduces ...

Double feed detector and electronic equipment

Paper media providing device and control method of the same

본 발명은 종이매체 공급장치 및 그 제어 방법에 관한 것으로, 종이매체 저장부; 상기 저장부로부터 종이매체를 낱장씩 픽업하는 픽업 롤러, 상기 픽업 롤러와 인접하게 장착되어 상기 픽업 롤러에서 낱장 분리된 종이매체를 이송 경로로 유입시키는 피드 롤러, 상기 피드 롤러와 오버랩된 상태를 유지하며 회전하는 게이트 롤러 및 상기 피드 롤러에 상기 종이매체를 밀착시키는 핀치 롤러를 구비한 매체 분리부; 상기 종이매체의 진행방향을 따라 상기 피드 롤러와 상기 핀치 롤러의 접점 이후에 형성되어, 상기 매체 분리부를 통과한 종이매체의 이매 여부를 감지하는 이매검지센서; 및 상기 이매검지센서를 이용하여 상기 종이매체가 이매라고 판단된 경우에 상기 픽업 롤러의 회전을 정지시키는 제어부;를 포함하여, 종이매체의 일부 겹침 이송을 효율적으로 처리할 수 있는 종이매체 공급장치 및 그 제어 방법을 제공한다. The present invention relates to a paper medium supply device and a control method thereof, comprising: a paper medium storage unit; A pickup roller which picks up the paper media sheet by sheet from the storage unit, a feed roller which is mounted adjacent to the pickup roller to introduce the paper media separated from the pickup roller into a transfer path, and maintains an overlap state with the feed roller; A media separator having a rotating gate roller and a pinch roller which closely adheres the paper medium to the feed roller; A double sheet detection sensor formed after a contact point of the feed roller and the pinch roller along a moving direction of the paper medium to detect whether the paper medium has passed through the media separating unit; And a control unit which stops the rotation of the pickup roller when it is determined that the paper medium is a double sheet by using the double sheet detection sensor, wherein the paper medium supply device can efficiently process a partial stack transfer of the paper medium. It provides a control method. 이매검지센서 Double sheet detection sensor

Device for detecting conveyance of overlapped sheets

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Document conveying apparatus, recovery method, and computer program

【課題】原稿が搬送中にジャムが発生した場合の復旧処理における利便性を向上させることが可能な原稿搬送装置を提供する。 【解決手段】原稿搬送装置１００は、音信号を出力する音信号出力部１４１と、音信号に基づいて、ジャムが発生したか否かを判定する音ジャム判定部１５４と、音ジャム判定部がジャムが発生したと判定すると、原稿の搬送を停止させる制御部１５１と、原稿の状態を検出する原稿状態検出部１４５と、制御部が原稿の搬送を停止させた後に、音信号出力部が所定の音信号を出力した場合には、原稿状態検出部の検出内容に応じて、原稿の搬送を再開する復旧処理を実行する復旧処理部１５３と、を有する。 【選択図】図２ To provide a document conveying device capable of improving convenience in a recovery process when a jam occurs during document conveyance. An original conveying apparatus includes a sound signal output unit that outputs a sound signal, a sound jam determination unit that determines whether a jam has occurred based on the sound signal, and a sound jam determination unit. When it is determined that a jam has occurred, the control unit 151 that stops the conveyance of the document, the document state detection unit 145 that detects the state of the document, and the sound signal output unit after the control unit stops the conveyance of the document, When the sound signal is output, a recovery processing unit 153 that executes a recovery process for resuming the conveyance of the document according to the detection content of the document state detection unit is provided. [Selection] Figure 2

Double feed detection circuit

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Feeder for a printer and method of operating such

The feeder (1) has a suction device (10) for withdrawing sheets from a sheet stack (4) and a transport unit (11) for conveying the sheets in sheet transport direction. The sheet detection units (17) are arranged between the suction device and transport unit. The detection units and a controllable drive (13) of suction device are connected with a machine controller (14) and the drive is controlled based on measurement result of detection units according to control rules for the drive stored in suction device. An independent claim is included for method for operating feeder.

Image reader

Apparatus for monitoring sheet feed in printing machines

A detecting capacitive structure undergoes changes in capacitance value depending upon whether it is detecting, in the sheet transport path of a printing machine, a normal or single sheet, an absent sheet, or a double or stuck-together sheet, so that corrective action can be initiated, such as the skipping of a printing cycle. The detecting capacitive structure and also a reference capacitive structure constitute the capacitances of two RC circuit stages to which an input signal is applied and then removed. The variations with respect to time of the output signals from the two RC circuit stages are then compared, both during application of the input signal and subsequent to removal of the input signal. This comparison of time responses of the two RC circuit stages serves as the basis of the detection. The effect of the normal, absent or double sheet upon capacitance value is detected by monitoring a response dependent upon the time-constants of the RC circuit stages, without the detecting capacitive structure forming the capacitor of or resonant circuit.

Double feed detector

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Method and device for detecting overlapping banknotes

FIELD: examination of documents.SUBSTANCE: method for detecting overlapping banknotes comprises: step 10, collecting the original banknote image data; step 20, the placement and detection of the security thread on the original image data of the banknotes, to obtain detection data of the security thread; step 40, determining, whether the security thread detection data satisfies a predetermined security thread initial condition, if yes, the implementation of step 60, and if not, the implementation of step 70; step 60, obtaining a determination result that the banknotes do not overlap, and the end of the process; and step 70, obtaining the determination result that the banknotes overlap, and ending the process. Since the thickness of the banknote security thread area is significantly larger than the thickness of other bill areas in most countries, it is possible to distinguish between the thickness of the security thread region and the thickness of the regions without the security thread of the banknote, and overlapping banknotes can be determined, respectively, by detecting and locating the security thread of the banknotes, which avoids the problem of an incorrect decision on overlapping banknotes, due to extremely thick protective threads, it is possible to reliably detect overlapping banknotes and significantly increase the speed of acceptance of banknotes.EFFECT: it is possible to reliably detect overlapping banknotes and significantly increase the speed of acceptance of banknotes.11 cl, 10 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 670 049 C1 (51) МПК G07D 7/20 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК G07D 7/20 (2006.01) (21)(22) Заявка: 2017117414, 07.08.2015 (24) Дата начала отсчета срока действия патента: Дата регистрации: (73) Патентообладатель(и): ДжиАрДжи БЭНКИНГ ЭКВИПМЕНТ КО., ЛТД. (CN) 17.10.2018 (56) Список документов, цитированных в отчете о поиске: US2005087422 A1, 28.04.2005. 30.10. ...

Method and apparatus of measuring properties of a moving sheet

A method of measuring properties of a moving cellulose, paper or board sheet. A first parameter of a first resonance caused by the moving sheet in a frequency range 1 GHz to 25 GHz of electromagnetic radiation is measured. A second parameter of an electromagnetic signal transmitted between at least a pair of transceiver parts of a transceiver sensor located on opposite sides of the moving sheet through the moving sheet is measured in a frequency range 25 GHz to 1000 GHz. A minimum difference between the frequency ranges related to the first parameter and the second parameter being at least 5 GHz. Both the dry stuff content and the weight of water per unit of area are determined on the basis of the first parameter, the second parameter and available information related to a distance travelled by the electromagnetic signal.

DEVICE FOR DETECTING MULTIPLE OBJECT SOCKETS

INDIVIDUAL DOCUMENT TRAINING MECHANISM

BANK TICKET DISPENSER

LA PRESENTE INVENTION A TRAIT A UN DISPOSITIF D'ALIMENTATION DE SUPPORTS D'ENREGISTREMENT DESTINE A ALIMENTER DES SUPPORTS D'ENREGISTREMENT 27 A PARTIR D'UNE PILE PLACEE DANS UN MAGASIN D'ALIMENTATION 20 COMPORTANT, A UNE DE SES EXTREMITES, DES SURFACES ECARTEES 28, 30 DEFINISSANT UNE OUVERTURE PAR LAQUELLE SONT ALIMENTES LES SUPPORTS D'ENREGISTREMENT. UN ELEMENT DE PRISE A DEPRESSION COMMANDE PAR SOLENOIDE 102 SAISIT UN DES SUPPORTS ET LE FAIT PASSER PAR L'OUVERTURE JUSQU'A UNE POSITION DANS LAQUELLE IL ENTRE EN CONTACT AVEC DES PARTIES EN SAILLIE 100 D'UN ELEMENT D'ALIMENTATION ROTATIF 98 ET SE TROUVE ENTRAINE PAR CELLES-CI POUR ENTRER EN CONTACT AVEC DES ROULEAUX D'ENTRAINEMENT CONTRAROTATIFS 76, 82 QUI L'ACHEMINENT VERS SA DESTINATION. UN DISPOSITIF DE DETECTION 124 PEUT ETRE PREVU POUR DETECTER L'ALIMENTATION, A TORT, DE PLUS D'UN DOCUMENT A LA FOIS, ET POUR PROVOQUER L'ACHEMINEMENT, VERS UN AUTRE ENDROIT, DES SUPPORTS D'ENREGISTREMENT INCORRECTEMENT ALIMENTES. THE PRESENT INVENTION RELATES TO A RECORDING MEDIA POWER SUPPLY DEVICE FOR SUPPLYING RECORDING MEDIA 27 FROM A BATTERY PLACED IN A SUPPLY STORE 20 INCLUDING, AT ONE OF ITS ENDS, SPACED SURFACES 28, 30 DEFINING AN OPENING THROUGH WHICH THE RECORDING MEDIA ARE POWERED. A SOLENOID 102 CONTROLLED VACUUM TAKE-OFF ELEMENT GRABBES ONE OF THE SUPPORTS AND PASSES IT THROUGH THE OPENING TO A POSITION IN WHICH IT COMES IN CONTACT WITH PROJECTED PARTS 100 OF A ROTARY FEED ELEMENT 98 AND SE FIND DRAWN BY THESE TO COME IN CONTACT WITH CONTRAROTARY DRIVE ROLLS 76, 82 WHICH DELIVER IT TO ITS DESTINATION. A DETECTION DEVICE 124 MAY BE PROVIDED TO DETECT THE FAULTY FEEDING OF MORE THAN ONE DOCUMENT AT A TIME, AND TO PROVE THE ROUTING TO ANOTHER LOCATION OF INCORRECTLY FEEDED RECORD MEDIA.

Double sheet detection system for offset cheque printer - has light cell to stop printer with extra paper thickness

The feeder is supplied with suction pads (13) which take the sheets (6) from the stack (3). The feeder picks up individual sheets and deposits them on the table (7) in contact with the feed roller (8) just before releasing them. Each sheet passes over a photo electric cell (14) which detects double sheets by the reduced light intensity coming from the light source (15). Single sheets pass through the printing rollers (9) and (10) and are stacked for binding in the bin (4). Double sheets will cause the printer to stop.

LOADING DEVICE FOR A PRESS

LES FLANCS SUR PILE 17 SONT DEPILTES A L'AIDE VENTOUSES 21 ET AMENES DIRECTEMENT ET AVEC SOIN DANS LA ZONE DE L'OUTIL 11 DE LA PRESSE 10. CE DEPLACEMENT EST ASSERVI A UNE COMMANDE NUMERIQUE QUI COMPREND EN PARTICULIER UN MECANISME DE POSITIONNEMENT EN DIRECTION HORIZONTALE 30 ET UN MECANISME DE POSITIONNEMENT EN DIRECTION VERTICALE 29.

DISPENSER OF BUNDLE SHEETS, IN PARTICULAR BANK NOTES

Patent FR2660913B1

Patent FR2095916A5

METHOD AND APPARATUS FOR DETECTING THE PRESENCE OF LEAVES ON A DETERMINED TRAJECTORY

Sheet feeding device, in particular for a printing machine or the like

DEVICE FOR TAKING TOLES FROM A STACK AND TRANSPORTING THEM

INDIVIDUAL DOCUMENT TRAINING MECHANISM

Method and apparatus of measuring properties of a moving sheet

A method of measuring properties of a moving cellulose, paper or board sheet. A first parameter of a first resonance caused by the moving sheet in a frequency range 1 GHz to 25 GHz of electromagnetic radiation is measured. A second parameter of an electromagnetic signal transmitted between at least a pair of transceiver parts of a transceiver sensor located on opposite sides of the moving sheet through the moving sheet is measured in a frequency range 25 GHz to 1000 GHz. A minimum difference between the frequency ranges related to the first parameter and the second parameter being at least 5 GHz. Both the dry stuff content and the weight of water per unit of area are determined on the basis of the first parameter, the second parameter and available information related to a distance travelled by the electromagnetic signal.

How to detect a mail envelope that overlaps a single mail envelope with a mail sorter

Sheet handling apparatus and image reading apparatus

一种薄片处理器，其包括薄片堆叠器；分离机构，其对装载于薄片堆叠器上的薄片进行分离排送；阻挡辊，其修正从分离机构排送的薄片的偏斜状态；超声波传感器，其由发射波传感器和接收波传感器构成；判断机构，其根据来自接收波传感器的输出信号判断薄片的重送状态；控制机构，其进行阻挡辊的停止和驱动的旋转控制；判断机构根据从阻挡辊的停止状态起，经过驱动启动后的规定时间时的接收波传感器的输出信号，判断薄片的重送状态，可正确地进行装载于薄片堆叠器上的薄片是否逐张地正直地供给(薄片重送)的处理。采用超声波传感器，同时用于检测薄片的前端后端，可仅通过单一的传感器检测在过去通过多个传感器进行的前端检测和重送检测这两种处理。