| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 271300150 | Sensor located at the feeder and controls the delivering | 60 |
| 20080284085 | Equipment for Processing Banknotes in Stack - Equipment for processing banknotes in stack, as an example for a banking deposit, including a transport mechanism for banknotes or similar sheets, and a receiving section the banknotes or sheets are transported at a given transport velocity (Vt) and the receiving section is arranged downstream of a section of the transport mechanism for receiving, in superimposition, the banknotes or sheets. The equipment comprises an interface mechanism with nipping members interposed between the transport mechanism and the receiving section and electronic control circuits which cause the nipping members to slow down the banknotes or sheets of the receiving section at a reduced velocity (Vb), in response to information of transit of the banknotes or sheets, making easy a regular stacking of the banknotes or sheets. | 11-20-2008 |
| 20090315247 | SHEET-FEEDING SCANNING APPARATUS HAVING MECHANISM FOR FEEDING BUSINESS CARD - The present invention relates to a sheet-feeding scanning apparatus having a business card feeding mechanism. The sheet-feeding scanning apparatus is adapted for scanning an image of an ordinary document or a business card. The sheet-feeding scanning apparatus includes a scanning module, an ordinary document input tray, an ordinary document pick-up roller assembly, an ejecting tray, a first channel, a second channel, a transfer roller assembly, a business card input tray and a business card pick-up roller assembly. The business card feeding mechanism can provide a relatively flat feeding and scanning channel for the business card such that the bending degree of the business card during transportation is reduced. | 12-24-2009 |
| 20100025912 | METHOD OF DETECTING SHEET IN TRANSPORT DEVICE, TRANSPORT DEVICE, IMAGE READING DEVICE, AND IMAGE FORMING APPARATUS - A transport device includes a set section, a sheet sensor, and a feeding member. When a detection member does not retract, the sheet sensor outputs an OFF-detection signal. The feeding member is displaced between a feed position and a non-feed position on the basis of the detection signal. At the feed position, the feeding member comes in contact with the sheet set in the set section from above and feeds the sheet toward the downstream side on a transport path. At the non-feed position, the feeding member is separated upward from the feed position. A method, which detects a sheet in the transport device, includes displacing the feeding member from the non-feed position to the feed position, and detecting that the sheet does not exist in the set section when an OFF-detection signal is output from the sheet sensor while the feeding member is positioned at the feed position. | 02-04-2010 |
| 20100044947 | RECORDING APPARATUS AND RECORDING METHOD - A recording apparatus includes a conveying roller and an ejection roller for conveying a recording medium. The recording apparatus also includes a controller which controls the conveying roller and the ejection roller. The controller selectively performs a conveyance control process for the rollers when the recording medium leaves the conveying roller. | 02-25-2010 |
| 20100102498 | BANKNOTE PROCESSING MACHINE - A banknote processing machine which can be set to a banknote putting-in one by one mode and a banknote putting-in collectively mode and can reliably keep a state of the banknote putting-in one by one mode is provided. An opening regulating member is provided which sets an opening size of an inlet in a put-in banknote thickness direction to an opening size for putting banknotes in one by one and an opening size for putting banknotes in collectively. A fixing unit fixes the opening regulating member to a position of the opening size for putting banknotes in one by one and regulates setting the position of the opening regulating member to the position of the opening size for putting banknotes in collectively. In the case of an operator unused to the operation, the banknote putting-in one by one mode is adopted to reduce a banknote jam in depositing. In the case of an operator used to the operation of banknote replenishment, the banknote putting-in collectively mode is adopted to improve efficiency in the banknote replenishment. | 04-29-2010 |
| 20100148420 | DOCUMENT FEEDING APPARATUS - A document feeding apparatus includes a document tray configured to receive a document placed thereon and to move up and down, a start key configured to issue a command to start a process accompanied by a document feeding of the feeding unit, and an operation key configured to be used to set a condition for the process. The document feeding apparatus is operable in a first mode or second mode, wherein the first mode the document tray is raised in response to an operation of the start key and in the second mode, the document tray is raised in response to an operation of the operation key. | 06-17-2010 |
| 20100164162 | SHEET STACKING APPARATUS AND IMAGE FORMING APPARATUS - The present invention relates to a sheet stacking device comprising a discharging portion, a moving portion that holds a downstream end portion of the sheet, a stacking portion and a control portion that controls the discharging portion and the moving portion. The control portion controls at least one of the discharging portion and a moving portion so that the movement velocity of the moving portion is higher than the sheet discharge velocity of the discharging portion, and separates the sheet from the moving portion by using a velocity difference between the movement velocity and the sheet discharge velocity. | 07-01-2010 |
| 20100194026 | PAPER JAM REMOVAL MECHANISM FOR SHEET FINISHING PROCESS DEVICE - A sheet finishing process device includes: a housing unit which houses a sheet discharged from an image forming unit; a carrying unit which is driven in a first direction toward the housing unit from the image forming unit or in a second direction that is opposite to the first direction, and carries the sheet discharged from the image forming unit, and carries the sheet discharged from the image forming unit; a detection unit which detects a paper jam of the sheet in the carrying unit; and a control unit which controls the carrying unit to be driven in the second direction if the detection unit detects the paper jam of the sheet. | 08-05-2010 |
| 20100213660 | PAPER SHEET HANDLING MACHINE - The paper sheet handling machine is provided. The paper sheet handling machine includes: a paper sheet slot configured to receive and provide a paper sheet; a pair of push plates configured to hold the paper sheet inserted into and discharged from the paper sheet handling machine via the paper sheet slot and apply a pressing force to the paper sheet in a thickness direction thereof; a pair of conveyor assemblies including a first conveyor assembly and a second conveyor assembly configured to hold and convey the paper sheet inserted and discharged via the paper sheet slot; and a moving mechanism configured to move the first conveyor assembly and the second conveyor assembly in mutually approaching directions or in mutually away directions and locate the first conveyor assembly and the second conveyor assembly at any position between inside and outside the pair of push plates, seen from the paper sheet slot. | 08-26-2010 |
| 20100327511 | SYSTEMS AND METHODS OF PRINTING USING CONCATENATED MEDIA FEEDER DEVICES | 12-30-2010 |
| 20110049782 | Sheet feeding device and image forming apparatus - The sheet feeding device includes a straight sheet feeding passage, and plural sheet feeding sections. Each sheet feeding section includes a container containing a stack of sheets; a driving rotor; a first driven rotor contacting the driving rotor to form a first nip; a feeding member feeding the sheet from the container toward the first nip; and a second driven rotor contacting the driving rotor or the first driven rotor to form a second nip at the junction of the sheet feeding section and the sheet feeding passage. Only the sheet feeding section on the extreme upstream side has a curved guide instead of the second driven rotor to directly feed the sheet to the second nip of the adjacent sheet feeding section so that the sheet at the curved guide has greater curvature radius than the sheet fed from the other sheet feeding sections toward the second nip thereof. | 03-03-2011 |
| 20110089625 | CONNECTION APPARATUS FOR CONNECTING IMAGE FORMING APPARATUS AND SHEET POST-PROCESSING APPARATUS - A sheet post-processing apparatus or a connection apparatus has a flexible paper guide provided in a position of the inlet rollers, having a length ranging from an upstream side of the sensor to a downstream side of the sensor with respect to the conveying path, having a cut off in a portion corresponding to the sensor. | 04-21-2011 |
| 20110156335 | CONVEYING DIRECTION-SWITCHING DEVICE FOR PAPER LEAVES, CONVEYING DIRECTION CONTROL METHOD, AND PAPER LEAVES PROCESSOR - A conveying direction-switching device is formed by direction-changing drums each having the same hollow cylindrical shape having a length corresponding to a lateral width of paper money bills to be conveyed. The direction-changing drum has first to fourth openings arranged in the outer periphery thereof, in a manner spaced from each other by a rotational angle of 90 degrees, and the rotational angle position thereof is controlled to be a predetermined phase angle. Inside the direction-changing drum, the first opening and the fourth opening are connected by a paper money guide forming a first curved passage, the second opening and the fourth opening are connected by a paper money guide forming a straight passage, and the third opening and the fourth opening are connected by a paper money guide forming a second curved passage. | 06-30-2011 |
| 20120200025 | IMAGE FORMING APPARATUS - Provided is an image forming apparatus which enables quick removal of remaining sheets in the image forming apparatus via an orthogonal reverse section in case a jam occurs inside the image forming apparatus. The image forming apparatus includes a main conveyance section to convey a sheet in the image forming apparatus and to convey the sheet to an ejected sheet section; an orthogonal reverse section to receive the sheet from the main conveyance section and turn over the sheet without swapping a front edge for a rear edge of the sheet by conveying the sheet in a direction perpendicular to a sheet conveyance direction of the main conveyance section and a sheet ejection section to eject the sheet in the orthogonal reverse section outside the orthogonal reverse section along a direction to turn over the sheet by the orthogonal reverse section. | 08-09-2012 |
| 20130049282 | APPARATUS FOR PULLING BILLS AND CHECKS IN BUNDLE BILL AND CHECK ACCEPTOR - An apparatus for pulling a paper medium, e.g., a bill or a check in a bundle bill and check acceptor includes a transfer roller unit transferring the paper medium that is vertically introduced into a storage cassette, a transfer belt unit provided to be rotated so that the paper medium that has passed through the transfer roller unit is horizontally transferred to a rear of the storage cassette, and a clamping roller unit having first and second elastic clamps. Each of the clamps is configured to clamp and pull the front end of the paper medium, and release the paper medium at the rear of the storage cassette depending on rotation of the transfer belt unit, so that the paper medium is stacked in the storage cassette. | 02-28-2013 |
| 20140167346 | IMAGE RECORDING APPARATUS - There is provided an image recording apparatus including: a main body with first and second transporting paths, a transporting roller pair, a recording portion, a reversal roller pair, a re-transporting roller pair, a transporting motor, first and second transmission mechanisms, and a controller. The second transmission mechanism has: a sun gear, an arm, a pendulum gear, and a gear row. The second transmission mechanism is configured to change a posture between a first posture and a second posture. The controller is configured to determine a position of the sheet, determine a size of the sheet, switch the rotation of the transporting motor under certain conditions, and increase the rotation amount of the transporting motor more for the case that the size of the sheet is determined to be not less than a transport distance than for the case that it is determined to be less than the transport distance. | 06-19-2014 |
| 20140203492 | SHEET DISCHARGING DEVICE AND ERASING DEVICE - A sheet discharging device includes a first conveying path that guides a sheet to be conveyed. A second conveying path branches from the first conveying path. A sorting section sorts a sheet being conveyed on the first conveying path into either a downstream side of the branch point or the second conveying path. A first discharge tray is placed at a position downstream of the first conveying path and receives a sheet discharged from the first conveying path at a first sheet loading surface. A second discharge tray is placed at a position downstream of the second conveying path and below the first discharge tray, and receives a sheet discharged from the second conveying path at a second sheet loading surface whose distance to the first sheet loading surface increases toward a downstream side thereof in a sheet discharging direction. | 07-24-2014 |
| 20150028532 | SHEET CONVEYING APPARATUS AND IMAGE FORMING APPARATUS FOR CORRECTING SKEW OF A SHEET - A sheet conveying apparatus forms a loop of a sheet between a first conveyance roller pair and a second conveyance roller pair, and before a leading edge of the sheet reaches a nip portion of a third conveyance roller pair, separates the first conveyance roller pair. | 01-29-2015 |
| 20150091237 | MEDIUM TRANSPORTING DEVICE AND RECORDING APPARATUS - A medium transporting device includes a first roller that inverts a medium supplied from a processing section side, the processing section processing the medium; a second roller that is located closer to the processing section than the first roller, the second roller having a function of inverting the medium supplied from the processing section side and a function of applying a transporting force to the medium using an outer peripheral surface of the second roller that faces both a pre-inversion medium transporting pathway for transporting a medium that has not been inverted by the first roller and a post-inversion medium transporting pathway for transporting a medium that has been inverted by the first roller; a medium transporting pathway that causes the medium supplied from the processing section side to be inverted along the second roller and causes the medium thus inverted to be supplied to the processing section side. | 04-02-2015 |
| 20150368064 | SHEET STACKING APPARATUS AND SHEET STACKING METHOD - Disclosed is a sheet stacking apparatus which includes: a leading-edge regulating member configured to be positionally adjustable depending on a length of a plurality of corrugated paperboard sheets; a sheet stopper installed in the leading-edge regulating member in such a manner as to be movable with respect to a contact surface of the leading-edge regulating member reciprocatingly between a first position and a second position, and contactable with a leading edge of the corrugated paperboard sheet to be stacked in the hopper section; a detection section disposed upstream of the hopper section, and configured to detect a passing of each of the corrugated paperboard sheets; and a synchronization control device configured to reciprocatingly move the sheet stopper according to a detection signal, in such a manner as to allow the leading edge of the corrugated paperboard sheet to come into contact with the sheet stopper. | 12-24-2015 |
| 20160114994 | 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. | 04-28-2016 |
| 20160148456 | Method for Providing Measurement Data of a Device for Processing Security Documents and Security-Document Processing Device - Described is a method for providing measurement data for value documents to a specified purpose of use employing a value-document processing device which has a transport device for transporting the value documents, and a sensor device for capturing at least one property of value documents transported in the value-document processing apparatus by means of the transport device and forming measurement data describing the captured property, in which value documents are transported to the sensor device by means of the transport device and measurement data for these are respectively captured by means of the sensor device, it is tested whether the measurement data for the value documents meet a suitability criterion specified for the purpose of use, and measurement data for respectively one of the value documents either are permanently stored or discarded in dependence on the result of the testing. | 05-26-2016 |
| 20160163144 | FINANCIAL DEVICE - Provided is a financial device. The financial device comprises an upper module and a lower module disposed under the upper module. The upper module comprises a medium depositing and withdrawing unit through which media to be counted, media to be deposited, and media to be withdrawn are accepted and withdrawn and a discrimination unit connected to the medium depositing and withdrawing unit through a transfer path. The lower module comprises an additional function cassette and a medium storage unit which are capable of storing media. | 06-09-2016 |
| 271300160 | Having timer | 37 |
| 20100044948 | Feeder with adjustable time cycle and method - A timed feeder for feeding corrugated boards to nip rolls of a box finishing machine. A feed member is raised to the feed path to engage and drive a board to the nip rolls and then lowered away from the feed path until the next cycle. An indexing drive mechanism, driven by a computer-controlled servo motor, activates the feed member and has a feed phase when it drives the board to the nip rolls, and a dwell phase when the feed member is away from the feed path and the output shaft of the indexing mechanism is at zero velocity. During the feed phase, the output shaft of the indexing mechanism accelerates the feed member and the board beyond the nip roll velocity and then decelerates them to the nip roll velocity at the point where the board enters the nip rolls. During the dwell phase the input shaft which was at constant velocity during the feed phase, is either accelerated and then decelerated or decelerated and then accelerated to shorten or increase the duration of the cycle allowing different size articles to be fed with minimum or zero spacing downstream of the nip rolls. | 02-25-2010 |
| 20100052237 | Document handling apparatus - A document handling apparatus ( | 03-04-2010 |
| 20100066004 | SHEET FEEDING APPARATUS - A sheet feeding apparatus includes: a sheet loading unit configured to load a plurality of sheets; a sheet feeding unit configured to feed the sheets loaded on the sheet loading unit; a light emitting unit configured to irradiate a sheet loaded on the sheet loading unit; an image sensor disposed at a position opposing the sheet loaded on the sheet loading unit and configured to sense an image reflected with light irradiated by the light emitting unit; and a trailing edge detection unit configured to cause the image sensor to repetitively perform sensing during sheet conveyance by the sheet feeding unit, compare images sensed by the image sensor, and detect a trailing edge of the sheet currently being conveyed from the sheet feeding unit based on a determination of an area where a pattern remains unchanged. | 03-18-2010 |
| 20100187746 | IMAGE FORMING APPARATUS - An image forming apparatus includes a sheet storage unit, a sheet feeding unit, a conveyance path for conveying a sheet to the image forming unit, a plurality of sheet detection sensors disposed along the conveyance path, a determination unit for determining whether predetermined time elapses from a detection of a front end of the sheet until a detection of a rear end of the sheet and a discharge unit. When the determination unit determines that the predetermined time has elapsed based on the detection by the sheet detection sensor disposed in the furthest upstream position among the plurality of sheet detection sensors, the sheet is discharged from the discharge unit, and when the determination unit determines that the predetermined time has elapsed based on the detection by the sheet detection sensors other than that disposed in the furthest upstream position, the sheet is stopped. | 07-29-2010 |
| 20100187747 | SHEET FEEDING APPARATUS AND IMAGE FORMING SYSTEM - A sheet feeding apparatus includes a sheet stacking unit, a suction conveyance unit configured to convey an uppermost sheet stacked on the sheet stacking unit, a suction unit configured to adsorb the sheets onto the suction conveyance unit, and an adsorption completion detection unit. In the sheet feeding apparatus, when the tab-attached sheets are stacked on the sheet stacking unit and fed such that their tab portions are on the downstream side in a sheet feeding direction, the suction unit starts to adsorb the sheet in response to a sheet feeding signal, and the suction conveyance unit starts to convey the sheet immediately after the adsorption completion detection unit detects the completion of the adsorption. When the sheets other than the tab-attached sheets are fed, the suction unit previously adsorbs the sheet onto the suction conveyance unit, and the suction conveyance unit starts to convey the sheet in response to the sheet feeding signal. | 07-29-2010 |
| 20100258997 | SHEET PROCESSING APPARATUS AND SHEET PROCESSING METHOD - A sheet processing apparatus includes a sheet-table unit, a sheet-separating unit disposed at a downstream end of the sheet-table unit along a convey direction of the sheets, a convey unit arranged at a downstream end of sheet-separating unit, a discharge unit located at a downstream end of the convey unit, an sheet processing unit placed between the convey unit and the discharge unit, a speed sensor arranged at an upstream end of the sheet-separating unit for detecting a movement of each sheet for forming a sheet interval between two adjacent sheets, and an edge sensor located between the sheet-separating unit and the sheet processing unit. The edge sensor detects a front edge and a rear edge of each sheet passing therethrough, and sends corresponding control signals to a system controller which delays a predetermined time according to the control signals to control the sheet processing unit to start and stop processing. | 10-14-2010 |
| 20100276864 | DEVICE AND METHOD FOR MONITORING THE SEPARATION OF A SHEET PRODUCT - The invention relates to a device and a method for monitoring the separation of a sheet product, particularly of banknotes. The invention is based on a device and a method for monitoring the separation of a sheet product, particularly of banknotes, by means of a separator ( | 11-04-2010 |
| 20110031678 | MOVABLE TRAY DRIVE CONTROL DEVICE AND MOVABLE TRAY DRIVE CONTROL METHOD - According to an embodiment, a drive control unit which drive-controls a movable tray on which a sheet discharged from a predetermined sheet discharge port is stacked, in such a manner that the movable tray sequentially descends according to a sheet discharge operation; an arrival position acquisition unit which acquires, in predetermined timing, arrival position information indicating an actual arrival position of the movable tray when the movable tray is drive-controlled by the drive control unit using a predetermined lower limit position as a target position; a fullness setting unit which sets a full position in the sheet stacking, of the movable tray, on the basis of the arrival position information acquired by the arrival position acquisition unit; and a fullness notification unit which gives a notification that the movable tray is full according to the arrival of the movable tray at the full position, are provided. | 02-10-2011 |
| 20110042882 | SHEET TAKE-OUT APPARATUS, SHEET PROCESSING APPARATUS, AND SHEET TAKE-OUT METHOD - To provide a sheet take-out apparatus for preventing double feed of sheets and controlling gaps to a desired value, a sheet processing apparatus, and a sheet take-out method. A take-out apparatus includes a supply structure for supplying postal matter to a take-out position, a take-out structure for taking out the postal matter from the take-out position, and a conveying structure for receiving and conveying the postal matter taken out on a conveying path. When a leading edge of the postal matter is held by the conveying structure, an absorbing operation of a vacuum pump is stopped and a moving speed of a take-out belt is reduced. Furthermore, when the postal matter is detected by a sensor, the take-out belt is stopped. | 02-24-2011 |
| 20110049783 | Sheet Feeding Device and Imaging Apparatus Employing Sheet Feeding Device - A sheet feeding device includes a sheet feed tray, a chute having first and second guides, first and second rollers arranged on the first guide, first and second contact members protruded from the second guide and urged to contact the first and second rollers, respectively, and a sheet sensor arranged between the first roller and the second roller. A controller controls a motor to rotate the first and second rollers in a first direction in which the sheet is fed from the second roller to the first roller when the controller receives a signal from the sensor, and controls the motor to stop the rotation of the first and second rollers when the signal from the sensor is terminated, and then rotate the first and second rollers in a second direction in which the sheet is fed from the first roller to the second roller. | 03-03-2011 |
| 20110074085 | PAPER SHEET OBVERSE AND REVERSE SIDE ARRANGING DEVICE - A paper sheet obverse and reverse side arranging device according to the present invention, includes: a reversible conveying section which includes a rotor reversibly conveying paper sheets in two directions opposite to each other, and two inlet and outlet sections provided in front of the two directions, respectively; a sorting section which is provided in an upstream conveying path upstream from the reversible conveying section, and which sorts paper sheets to either one of the two inlet and outlet sections; two guiding sections which are provided in the two inlet and outlet sections, respectively, and which guide paper sheets conveyed from the reversible conveying section; two guide conveying sections which convey paper sheets guided from the reversible conveying section by the two guiding sections towards a downstream conveying path provided downstream; and a control section which controls the reversible conveying section and the sorting section. | 03-31-2011 |
| 20110084438 | ADAPTIVE SCHEDULER THAT CORRECTS FOR PAPER PROCESS DIRECTIONAL ARRIVAL ERRORS TO PRINT ENGINE REGISTRATION SUBSYSTEM - Systems and methods are described that facilitate correcting for paper process direction arrival errors during a print job in a marker module of a print engine. Paper sheet arrival time is determined at a first registration point in a print engine or marker module thereof, and an average arrival time is compared to an expected arrival time to determine whether the pages are arriving on time, early, or late. The arrival time error is used to generate or look up a correction factor, which is added to an expected arrival time at a second registration point in the marker module or print engine to generate an updated expected arrival time. Print engine control parameters (e.g., sheet feeder timing, toner application, paper path speed, etc.) are adjusted according to the updated expected arrival time at the second registration point. | 04-14-2011 |
| 20110101595 | DOCUMENT PROCESSING APPARATUS AND METHOD OF OPERATING A DOCUMENT PROCESSING APPARATUS - A document processing apparatus comprises a document transport path which extends from an upstream end to a downstream end, a low speed drive disposed at the upstream end of the document transport path and for transporting a document along the document transport path from the upstream end towards the downstream end, a high speed drive disposed at the downstream end of the document transport path and for receiving a document being transported along the document transport path from the low speed drive, an actuatable document processing device disposed at the downstream end of the document transport path and for, when actuated, performing a downstream processing operation on a document being transported along the document transport path, a sensor for (i) sensing speed of movement of a document which is being transported along the document transport path from the upstream end to the downstream end, and (ii) providing a first electrical signal which is indicative of speed of movement of the document, and a controller for (i) monitoring the first electrical signal to thereby monitor speed of movement of the document along the document transport path, (ii) detecting when speed of movement of the document has increased from a first speed to a second speed which is greater than the first speed, (iii) providing a second electrical signal to actuate the document processing device to perform the downstream processing operation in response to detection of speed of movement of the document having increased from the first speed to the second speed. | 05-05-2011 |
| 20110101596 | Sheet Processing Apparatus And Sheet Processing Method - A sheet processing apparatus includes a sheet-table unit, a sheet-separating unit, a discharge unit, a sheet processing unit placed between the sheet-separating unit and the discharge unit, and a speed sensor arranged at the upstream end of the sheet-separating unit, and close to a convey path. The sheets are separated and conveyed downstream by the sheet-separating unit one by one. The speed sensor is capable of detecting the movement start time of each sheet on the convey path and the leaving time of each sheet therefrom, and sending corresponding signals to a system controller. The system controller delays predetermined times according to the received signals to control the sheet processing unit to start and stop processing the sheet which is passing through the sheet processing unit at an even speed. | 05-05-2011 |
| 20110109033 | SHEET PROCESSING APPARATUS - In a sheet processing apparatus that, for example, sorts or staples sheets after image formation, when preceding finishing is not completed on a processing tray, a third sheet fed anew into awaiting tray of a sheet placing member configuring a sheet waiting unit, which temporarily puts a sheet conveyed thereto on standby, is stacked to be shifted such that leading ends of second and third sheets are located further on a conveying direction upstream side than a leading end of a first sheet. Consequently, longitudinal alignment in the processing tray after that is surely performed. | 05-12-2011 |
| 20110175276 | IMAGE FORMING APPARATUS AND SHEET SUPPLY APPARATUS HAVING PLURALITY OF SHEET SUPPLY UNITS - An image forming apparatus which can prevent decrease in useful lives of components for air sheet feeding without bringing about throughput degradation when performing an image forming operation using a plurality of sheet supply units. When a sheet is fed from a first sheet supply unit having a fan that is driven so as to supply sheets, then a sheet is supplied from a second sheet supply unit, and then a sheet is supplied form the first sheet supply unit again, and in a case where a suspension time period over which no sheet is supplied from the first sheet supply unit is longer than a preparation time period from when driving of the fan is started to when the fan is brought into a driving state required to supply a sheet, driving of the fan is temporarily stopped. | 07-21-2011 |
| 20110221116 | SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS - Provided are a high-quality sheet feeding apparatus which can detect multifeeding of sheets in a wide range of the sheet conveying direction and realize a stable conveying state, and an image forming apparatus therewith. A CPU controls a multifeeding detection sensor to detect multifeeding of sheets at a plurality of transmission points P | 09-15-2011 |
| 20110248439 | IMAGE SCANNING DEVICE AND DOCUMENT TRANSPORTING METHOD - An image scanning device includes a scanning specifying unit, at least two document detecting units, a supply timing adjusting unit, and a document supplying unit. The scanning specifying unit specifies one of at least two scanning methods each having a different transportation interval between documents. The document detecting units are at least two in number and arranged to detect a document at different positions on a transportation route. The supply timing adjusting unit is arranged to measure a transportation distance of the document after detection by the document detecting units and to generate a supply signal. The document supplying unit is arranged to supply a document from a paper feed tray based on the supply signal. The supply timing adjusting unit is arranged to generate the supply signal based on a result of detection by the document detecting unit that corresponds to the specified scanning method. | 10-13-2011 |
| 20110260389 | PAPER FEED SYSTEM - In a paper feed system where a first paper feed mechanism takes out and transfers one by one a plurality of papers placed on a paper feed table in a stack and a second paper feed mechanism transfers the papers transferred by the first paper feed mechanism to an image forming section at a predetermined timing. A paper edge detector is provided between the first and second paper feed mechanisms to detect an edge of the paper, and the first paper feed mechanism is controlled to transfer the papers at a first speed and then at a second speed not higher than the first speed when the paper edge detector detects the leading edge of the paper, the second speed being determined on the basis of the timing at which the leading edge of the paper is detected. | 10-27-2011 |
| 20110291346 | SHEET FEED DEVICE, IMAGE FORMING APPARATUS HAVING THE SAME, AND SHEET FEED METHOD - A sheet feed device comprises: a retaining section retaining a sheet; a drive section raising the retaining section; a conveyance section conveying a sheet on the raised retaining section; a sheet detection section detecting an end of the conveyed sheet; and a control section. At the time that a sheet feed instruction is received, when a sheet is detected by the sheet detection section, the control section causes the conveyance section to feed the sheet further. When a sheet is not detected, the control section causes the drive section to raise the retaining section and then causes the conveyance section to start conveyance of a sheet. | 12-01-2011 |
| 20110316216 | SHEET HANDLING APPARATUS AND SHEET HANDLING METHOD - According to one embodiment, a sheet handling apparatus includes a take-out member to take out a sheet from a take-out position by rotating in a state in which a negative pressure is applied to the sheet at the take-out position and the sheet is adsorbed to the take-out member; a conveyor portion to receive and convey the sheet taken out from the take-out position by the take-out member; and a control portion to control the take-out member such that, when the sheet at the take-out position is being adsorbed to the take-out member, the take-out member is rotated at a circumferential speed that is slower than a conveying speed of the sheet at the conveyor portion, and when the sheet adsorbed to the take-out member is being transferred to the conveyor portion, the take-out member is rotated at a circumferential speed that is the same as a conveying speed of the conveyor portion at that time. | 12-29-2011 |
| 20120061901 | ULTRASONIC DETECTING DEVICE AND SHEET HANDLING APPARATUS COMPRISING ULTRASONIC DETECTING DEVICE - According to one embodiment, an ultrasonic detecting device includes a transmitter arranged at a predetermined angle with respect to a conveying plane on which a sheet is conveyed, the transmitter emitting ultrasonic waves towards the conveying plane; a receiver provided with a plurality of channels for detecting the ultrasonic waves, the receiver detecting the ultrasonic waves incident on the channels; and a dividing member to shield the receiver from diffraction waves of the ultrasonic waves emitted from the transmitter, the diffraction waves being diffracted at an edge of the sheet that delimits the sheet in a direction perpendicular to a conveying direction of the sheet. | 03-15-2012 |
| 20130032990 | IMAGE FORMING SYSTEM AND SHEET CONVEYANCE METHOD - An n image forming system includes an image forming apparatus, a sheet processing apparatus including a post-processing unit to perform post-processing of sheets on a processing tray and a retaining channel disposed to accommodate at least a single sheet while the post-processing unit processes the sheets, and a controller that calculates a target interval time between an interval start sheet and an interval end sheet among the sheets output from the image forming apparatus to the sheet processing apparatus based on at least one of sheet data and post-processing data transmitted from the image forming apparatus to the sheet processing apparatus, and adjusts an interval between discharge of the interval start sheet and the interval end sheet from the image forming apparatus to the sheet processing apparatus in accordance with the target interval time. | 02-07-2013 |
| 20130175755 | SHEET CONVEYING SYSTEM, COMPUTER PROGRAM PRODUCT, AND SHEET CONVEYING METHOD - A sheet conveying system includes a sheet inserting apparatus that inserts a second recording medium between first recording media conveyed by a sheet conveying apparatus, and transmits a first time at which second recording media can be successively received hypothetically, and a second time indicating a difference between a conveying time from an accumulating unit of a second recording medium to a merging point at which a second recording medium is inserted and a conveying time from a sheet receiving surface of the sheet inserting apparatus to the merging point. The sheet conveying apparatus sets longer one of the received first time and second time as an insertion interval; and conveys first recording media such that an interval extended by an added value obtained by adding a conveying time corresponding to a length of second recording medium to the insertion interval is provided between the first recording media. | 07-11-2013 |
| 20130264764 | APPARATUS AND METHOD FOR CONTROLLING THE TRANSPORTATION AND THE HANDLING OF SHEET-LIKE PRODUCTS - The invention proposes a method and an installation for monitoring and/or controlling at least one handling apparatus for handling a multiplicity of preferably sheet-like products, in particular printed products, each product being assigned a reference ( | 10-10-2013 |
| 20140117610 | PAPER SHEET CONVEYING APPARATUS AND IMAGE FORMING APPARATUS - A paper sheet conveying apparatus includes: a conveying path in which a paper sheet is conveyed; a plurality of conveying rollers; a plurality of driving motors; an out-of-step detection portion; a stop control portion; and a driving restart control portion. The plurality of conveying rollers are disposed along the conveying path. The plurality of driving motors rotates the conveying rollers. The out-of-step detection portion detects an out-of-step in each of the driving motors. The stop control portion stops each of the driving motors when an out-of-step is detected. The driving restart control portion drives, after each of the driving motors is stopped, a first driving motor in which an out-of-step has occurred, and a second driving motor in which no out-of-step occurs, under a driving start condition that an amount of rotation of the second driving motor is less than an amount of rotation of the first driving motor. | 05-01-2014 |
| 20140138897 | IMAGE READING APPARATUS HAVING CONVEYANCE ROLLERS CONVEYING ORIGINAL SHEET - In an image reading apparatus, it is judged whether an original sheet is a first sheet type, whose sheet length is longer than or equal to a first conveyance distance and shorter than a second conveyance distance, and a second sheet type, whose sheet length is longer than or equal to the second conveyance path, the first conveyance distance being a distance between a first conveyance roller and a second conveyance roller, the second conveyance distance being a distance between a supply roller and the second conveyance roller. At least one of a leading-edge arriving timing; a trailing-edge arriving timing; and a sub-scanning magnification is set dependently on the judged result. An image is read from the original sheet by using an image reading unit and a conveyance unit based on the set at least one of the leading-edge arriving timing; trailing-edge arriving timing; and sub-scanning magnification. | 05-22-2014 |
| 20140138898 | IMAGE READING APPARATUS THAT READS ORIGINAL SHEET WHILE CONVEYING THE SAME - In an image reading apparatus, it is judged whether an original sheet is either one of a first sheet type, whose sheet length is longer than or equal to a first conveyance distance and shorter than a second conveyance distance, and a second sheet type, whose sheet length is longer than or equal to the second conveyance path, the first conveyance distance being distance between a first conveyance roller and a second conveyance roller, the second conveyance distance being distance between a supply roller and the second conveyance roller. The original sheet is conveyed at a separation timing, when the original sheet separates away from the supply roller, at a speed that is smaller for a case where the original sheet is of the first sheet type than for a case where the original sheet is of the second sheet type. An image is read from the conveyed original sheet. | 05-22-2014 |
| 20140210152 | SHEET CONVEYANCE DEVICE, DOCUMENT CONVEYANCE DEVICE, AND IMAGE FORMING APPARATUS - In a sheet conveyance device, if a sheet has not been detected at a second position when a predetermined time has elapsed since the sheet has been detected at a first position, a separating portion switches operation thereof from a separating operation to a non-separating operation of conveying the sheet from upstream to downstream in a sheet conveyance path, and a sheet feed portion continues a feeding operation. If the sheet has not been detected at the second position by the time a predetermined time has elapsed since the separating portion has started the non-separating operation, the separating portion and the sheet feed portion stop driving, and if the sheet has been detected at the second position by the time, the separating portion switches operation thereof from the non-separating operation to the separating operation, and the sheet feed portion continues the feeding operation. | 07-31-2014 |
| 20150021846 | DEVICE AND METHOD FOR CONTROLLING PAPER INTERVAL IN PAPER FEEDER OF IMAGE FORMING APPARATUS, AND IMAGE FORMING APPARATUS INCLUDING THE DEVICE - Provided are a device and method for controlling a paper interval in a paper feeder of an image forming apparatus, and an image forming apparatus including the device. The device includes: a leading edge sensor configured to detect a leading edge of a sheet of paper when the sheet of paper is picked up and fed as a printing medium; a feed unit configured to accelerate the sheet of paper; and a control unit. If the sheet of paper arrives late at a paper sensing position of the leading edge sensor, the control unit measures a travel time during which the sheet of paper is fed to the paper sensing position, and according to the measured travel time, the control unit varies a time point at which the sheet of paper starts to be accelerated. | 01-22-2015 |
| 20150028533 | SHEET FEEDER, DOCUMENT READER, AND IMAGE FORMING APPARATUS - A sheet feeder picking up and transporting sheets includes a transport unit transporting sheets along a sheet transport path one by one, a gap occurrence detection unit detecting, within a predetermined section of the sheet transport path, occurrence of a gap between sheets, and a controller controlling a timing of the transport of sheets according to a result of the detection. The gap occurrence detection unit includes a first detection unit and a second detection unit. The first detection unit is configured to detect light that is emitted toward the predetermined section, reaches a converging surface thereof across the predetermined section, and converged on a receiving element thereof. The second detection unit is configured to detect light reflected by a sheet passing through the predetermined section. The occurrence of the gap is detected based on outputs from the first detection unit and the second detection unit. | 01-29-2015 |
| 20150035218 | RECORDING MEDIUM DISCHARGING APPARATUS AND COMPUTER-READABLE MEDIUM STORING RECORDING MEDIUM DISCHARGING PROGRAM - There is provided a recording medium discharging apparatus including: a support tray; a discharging mechanism configured to discharge the recording media; a detector configured to detect a specific state in which a position of an uppermost surface of the recording media is not lower than a predetermined position; and a controller configured to control the discharging mechanism. When executing a job for continuously discharging the recording media on the support tray at a predetermined discharge interval, the controller is configured to control the discharging mechanism to pause discharge of the recording media on the support tray under a condition that the detector keeps detecting the specific state until a predetermined number of pieces of the recording medium is discharged on the support tray since the detector has detected the specific state, and is configured to set the predetermined number to be greater as the discharge interval is shorter. | 02-05-2015 |
| 20150091238 | SHEET TRANSPORT APPARATUS AND IMAGE FORMING SYSTEM - A sheet transport apparatus includes: a first motor and a second motor; a first roller configured to: rotate upon receiving motive power from the first motor; and transport a sheet in a predetermined transport direction; a second roller which is provided on a downstream side of the first roller in the transport direction and which is configured to: rotate upon receiving motive power from the second motor while nipping the sheet transported by the first roller at a nip position; and transport the sheet further downstream in the transport direction; and a controller. The controller includes a motor control unit configured to perform a first process for rotating the first roller and a second process for rotating the second roller; and a first reaction-force estimating observer configured to calculate a first estimated value which is an estimated value of a reaction force acting on the first motor. | 04-02-2015 |
| 20150301491 | IMAGE FORMING APPARATUS - An image forming apparatus includes a conveyance sensor disposed near a pair of conveyance rollers so as to accurately detect an amount of movement of the recording paper, a conveyance delay determination unit to determine a conveyance delay of the recording paper, and a conveyance control unit to control drive for rollers. The conveyance delay determination unit obtains conveyance delay information from among information detected with the conveyance sensor, or the like, and accelerates a rotational velocity of the pair of paper feed rollers when the conveyance delay quantity exceeds a threshold. | 10-22-2015 |
| 20150307302 | IMAGE FORMING APPARATUS - An image forming apparatus includes a pair of registration rollers, a pair of intermediate rollers, a registration sensor, and a control section that performs rotation control on the pair of registration rollers and the pair of intermediate rollers. The control section changes a starting timing of slowdown control according to a time when the registration sensor detects arrival of recording paper. The control section changes a period of time from completion of the slowdown control to start of increasing the rotational speed of the pair of registration rollers and the rotational speed of the pair of intermediate rollers from a lower speed limit to a steady state speed according to the change of the starting timing of the slowdown control. | 10-29-2015 |
| 20150360892 | SEPARATION CONVEYANCE DEVICE, IMAGE FORMING APPARATUS, METHOD FOR CONTROLLING SEPARATION CONVEYANCE DEVICE, AND COMPUTER-READABLE RECORDING MEDIUM - A separation conveyance device comprises: a separation unit that includes a first roller feeding a conveyance object, and a load unit applying a load to the fed conveyance object, and separates one conveyance object from conveyance objects; a second roller that conveys the fed conveyance object; a driving unit that causes a motor to rotate the first roller at a first linear speed and the second roller at a second linear speed higher than the first linear speed; a connection unit that cuts off the motor's power from the first roller when first load torque toward a rotation direction of the first roller is equal to or larger than a certain value; a detection unit that detects second load torque in the direction opposite to a rotation direction of the motor; and a determination unit that determines a separation state of the conveyance object based on the second load torque. | 12-17-2015 |
| 20160039625 | IMAGE FORMING APPARATUS - An image forming apparatus including an image forming unit, a conveyance roller, a registration roller disposed on a conveyance path extending from the conveyance roller to the image forming unit, the registration roller being configured to perform skew correction for a sheet by contacting a leading end of the sheet in a conveyance direction while rotation of the registration roller is being stopped, and rotating after a lapse of a particular period of time since the rotation of the registration roller has been stopped, a driving source configured to supply a driving force to the conveyance roller and the registration roller, and a controller configured to determine the particular period of time based on a cumulative number of sheets conveyed by the conveyance roller. | 02-11-2016 |
