Patent application number | Description | Published |
20090100976 | SHEET PUNCHING APPARATUS AND CONTROL METHOD - A sheet punching apparatus includes a puncher having a plurality of punching blades to punch a sheet, and a press member provided in the puncher to be spaced from the punching blade by a specified distance, and when punching is performed on the sheet, the sheet is pressed by the press member. | 04-23-2009 |
20090102112 | SHEET FINISHING APPARATUS AND CONTROL METHOD - A sheet finishing apparatus includes a punch unit to punch a sheet, and a saddle unit to bundle and to fold the sheets. A position and an inclination angle of a puncher are changed according to a skew amount of the sheet, the puncher is controlled to form punch holes in the sheet at positions symmetric with respect to a folding line, and punching is performed so that an interval between the folding line and the punch hole becomes small at the inside of a bundle of the sheets and becomes large at the front cover side. | 04-23-2009 |
20100007074 | SHEET FINISHING APPARATUS AND CONTROL METHOD - A sheet finishing apparatus includes: a puncher which moves between a penetrate position and a standby position; a detection unit which detects a lateral edge of a sheet; a standby tray which supports the sheet passed through the puncher, by a pair of tray members; a lateral alignment unit which holds and aligns the sheet falling off the standby tray, by a pair of alignment boards; a moving mechanism which moves the position of the standby tray or the alignment boards in a direction orthogonal to the carrying direction of the sheet; and a control unit which measures a quantity of misalignment of the sheet by using a result of detection of the lateral edge from the detection unit and controls the moving mechanism in accordance with the quantity of misalignment. | 01-14-2010 |
20100194018 | SHEET PROCESSING APPARATUS AND SADDLE FOLDING SPEED CONTROL METHOD FOR SHEET PROCESSING APPARATUS - A sheet processing apparatus includes: a sheet processing apparatus control unit; a folding motor, a rotating direction of which is controlled by the sheet processing apparatus control unit; a low-speed gear train configured to be driven when the folding motor normally rotates; a high-speed gear train configured to be driven when the folding motor reversely rotates; and a saddle-folding driving roller configured to be driven by a gear train selected from the low-speed gear train and the high-speed gear train. When the number of recording media to be saddle-stapled or saddle-folded exceeds predetermined numbers respectively set for the saddle stapling and the saddle folding, the sheet processing apparatus control unit drives the saddle-folding driving roller at low speed. When the number of recording media to be saddle-stapled or saddle-folded does not exceed the predetermined numbers, the sheet processing apparatus control unit drives the saddle-folding driving roller at high speed. | 08-05-2010 |
20100209129 | IMAGE FORMING APPARATUS HAVING FIXING DEVICE THAT RESPONDS TO REQUEST WHEN USING DECOLORABLE INK - An image forming apparatus includes: a first image forming unit which forms a first image on a first recording medium with a first material which is not thermally decolorized; a second image forming unit which forms a second image on a second recording medium with a second material which is thermally decolorized; a fixing unit which is on a common carrying path shared by the first recording medium and the second recording medium and fixes the first image to the first recording medium; and a control unit which controls the fixing unit so that the temperature of the second recording medium passing through the fixing unit becomes lower than a decolorizing temperature of the second material. | 08-19-2010 |
20100289861 | ERASING DEVICE, IMAGE FORMING APPARATUS, AND ERASING METHOD - An erasing device includes a line scanner on an upstream side in a recording medium conveying direction, includes a thermal head downstream in the recording medium conveying direction of the line scanner, and includes a platen in a position opposed to the thermal head as a heating device across a recording medium conveying path. The erasing device causes the heat generating elements of the thermal head in positions corresponding to color and density sensors in positions of an image detected by the line scanner to generate heat. The erasing device controls, according to detected colors or density, a quantity of heat to be generated. | 11-18-2010 |
20100290812 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - An image forming apparatus forms a stamp image with a stamp image developer having a color developing temperature at a color erasing temperature of an image forming developer, and forms a mask image with a mask image developer having a color re-developing temperature at a temperature not lower than a color re-developing temperature of the image forming developer. Accordingly, when a confidential document is color-erased, the stamp image develops color, and when the color-erased confidential document again develops color, it can not be read. | 11-18-2010 |
20100290826 | PAPER BINDING APPARATUS, PAPER BINDING METHOD, AND IMAGE FORMING APPARATUS - A paper binding apparatus includes: a paper carrying unit which carries papers so as to be sequentially stacked on a tray; a binding sheet supply unit which attaches a binding sheet applied with pseudo-adhesive to a lower surface of one end of the paper first stacked on the tray in the carriage direction so as to protrude in a pectinate shape; a binding sheet attaching unit which sequentially bends a plurality of protruding pieces of the binding sheet so as to be pressed against an upper surface of one end of the carried paper whenever a new paper is carried to the tray; and a discharge unit which discharges a bundle of papers bound by the binding sheet. | 11-18-2010 |
20100315475 | IMAGE ERASING APPARATUS FOR ERASING IMAGE ON SHEET WHILE CARRYING SHEET - An image erasing apparatus includes: a first carrying section carrying a recording medium; a second carrying section carrying the recording medium; a branching section branching a carrying path into the first carrying section and the second carrying section; a first erasing section erasing an image of the recording medium in the first carrying section; a second erasing section erasing the image of the recording medium in the second carrying section; a third carrying section carrying the recording medium passing through the first erasing section to the second carrying section; and a control section selecting the carrying path of the recording medium depending on an image erasing mode. | 12-16-2010 |
20100321456 | IMAGE ERASING APPARATUS AND IMAGE ERASING METHOD - An image erasing apparatus includes an inlet receiving recording mediums sheet by sheet, a door key limiting the opening of a security box, an overlap feed sensor sensing the overlap feed of the recording mediums, plural size sensors sensing the sizes of the recording mediums, a movable tray on which the recording mediums input from the inlet are placed, a recovery box disposed below the movable tray to recover the recording mediums, and a recording medium carrying mechanism carrying the recording mediums. | 12-23-2010 |
20100321457 | IMAGE ERASING APPARATUS AND RECORDING MEDIUM CONVEYING METHOD FOR IMAGE ERASING APPARATUS - An image erasing apparatus includes: a paper feeding tray configured to feed a recording medium; a sensor group including a double-feed detection sensor configured to detect double feed of the recording medium and a media sensor configured to detect the thickness of the recording medium; a recording-medium collecting device, a collection box, or a discharge box configured to collect the recording medium; and a recording-medium conveying device connecting the paper feeding tray, the sensor group, and the recording-medium collecting device, the collection box, or the discharge box on a straight line. | 12-23-2010 |
20100323286 | IMAGE ERASING APPARATUS AND METHOD OF CARRYING RECORDING MEDIUM IN IMAGE ERASING APPARATUS - An image erasing apparatus includes a recording medium height sensor sensing the height of recording mediums stacked on a discharge tray, a discharge tray lifting and lowering mechanism lifting and lowering the discharge tray, a shifting mechanism shifting and discharging the recording mediums, and a controller controlling a discharging operation so that the height of recording mediums on the discharge tray is equal to a desired height on the basis of the output of the recording medium height sensor. | 12-23-2010 |
20100323287 | IMAGE ERASING APPARATUS AND IMAGE ERASING METHOD - An image erasing apparatus includes a stacking tray stacking the recording medium, a heater heating the recording medium to a temperature equal to or higher than the temperature at which developer on the recording medium is erased, a detector disposed downstream in a recording medium carrying direction from the heater to detect an image on the recording medium, a recording medium carrying mechanism picking up the recording medium, from the stacking tray sheet by sheet and carrying the picked-up recording medium, a storage box storing the image-erased recording medium by size, a lateral aligning mechanism disposed in the storage box so as to align the recording medium in the lateral direction, and a controller controlling the alignment operation of the lateral aligning mechanism. | 12-23-2010 |
20110012298 | SHEET FINISHING APPARATUS AND CONTROL METHOD - A sheet finishing apparatus includes a punch unit to punch a sheet, and a saddle unit to bundle and to fold the sheets. A position and an inclination angle of a puncher are changed according to a skew amount of the sheet, the puncher is controlled to form punch holes in the sheet at positions symmetric with respect to a folding line, and punching is performed so that an interval between the folding line and the punch hole becomes small at the inside of a bundle of the sheets and becomes large at the front cover side. | 01-20-2011 |
20110033216 | IMAGE DELETE APPARATUS AND RECORDING MEDIUM CARRYING METHOD OF IMAGE DELETE APPARATUS - An image delete apparatus has a paper feed tray that feeds recording media, a group of sensors containing a double-feed detection sensor that senses double-feed of the recording media and a media sensor that senses thicknesses of the recording media, a folding unit, and an auxiliary carrying path, and includes a collecting unit that folds and collects the recording media. | 02-10-2011 |
20110074901 | IMAGE ERASING APPARATUS AND RECORDING MEDIUM CONVEYING METHOD FOR IMAGE ERASING APPARATUS - An image erasing apparatus includes: a paper feeding tray configured to feed a recording medium; a sensor group including a double-feed detection sensor configured to detect double feed of the recording medium and a media sensor configured to detect the thickness of the recording medium; a collecting device configured to drop the recording medium in the vertical direction and collect the recording medium; and a recording-medium conveying device configured to convey the recording medium. | 03-31-2011 |
20110095471 | SHEET FINISHING APPARATUS AND CONTROL METHOD - A sheet finishing apparatus includes: a puncher which moves between a penetrate position and a standby position; a detection unit which detects a lateral edge of a sheet; a standby tray which supports the sheet passed through the puncher, by a pair of tray members; a lateral alignment unit which holds and aligns the sheet falling off the standby tray, by a pair of alignment boards; a moving mechanism which moves the position of the standby tray or the alignment boards in a direction orthogonal to the carrying direction of the sheet; and a control unit which measures a quantity of misalignment of the sheet by using a result of detection of the lateral edge from the detection unit and controls the moving mechanism in accordance with the quantity of misalignment. | 04-28-2011 |
20110206403 | IMAGE FORMING APPARATUS HAVING FIXING DEVICE THAT RESPONDS TO REQUEST WHEN USING DECOLORABLE INK - An image forming apparatus includes: a first image forming unit which forms a first image on a first recording medium with a first material which is not thermally decolorized; a second image forming unit which forms a second image on a second recording medium with a second material which is thermally decolorized; a fixing unit which is on a common carrying path shared by the first recording medium and the second recording medium and fixes the first image to the first recording medium; and a control unit which controls the fixing unit so that the temperature of the second recording medium passing through the fixing unit becomes lower than a decolorizing temperature of the second material. | 08-25-2011 |
20110211033 | ERASING APPARATUS, PAPER POST-PROCESSING APPARATUS, IMAGE FORMING AND ERASING APPARATUS, AND IMAGE ERASING METHOD IN THE ERASING APPARATUS - According to one embodiment of the present invention, an erasing apparatus includes a used sheet stacking tray, an image erasing unit, a stand-by tray, a stand-by tray driving unit, and an erased sheet stacking tray. The used sheet stacking tray stacks thereon a used sheet on which an image is formed using an erasable colorant of which a color is erased by a predetermined heating process. The image erasing unit performs the heating for the used sheet which is received one by one from the used sheet stacking tray and discharges an erased sheet from which the image formed on the used sheet is erased. The stand-by tray has a mechanism which can be driven in a predetermined direction and places thereon the erased sheet discharged by the image erasing unit. The stand-by tray driving unit drives the stand-by tray and enables the erased sheet to free-drop. The erased sheet stacking tray is disposed under the stand-by tray and stacks thereon the erased sheet which free-drops from the stand-by tray. | 09-01-2011 |
20110220305 | FOREIGN MATTER REMOVING APPARATUS, COLOR ERASING APPARATUS, AND FOREIGN MATTER REMOVING METHOD - A foreign matter removing apparatus includes: a removing plate disposed above a recording medium carriage path, a first sensor and a second sensor which interpose the removing plate therebetween at equal distances in a carriage direction of the recording medium and are disposed on both sides of the recording medium carriage direction, a first plate and a second plate which come in contact with each other at a position below the removing plate, and are disposed at positions opposed to the first sensor and the second sensor while interposing the recording medium carriage path therebetween so as to be opened and closed in a direction perpendicular to the recording medium carriage direction, a first driving roller disposed between the first sensor and the removing plate, and a second driving roller disposed between the second sensor and the removing plate. | 09-15-2011 |
20110221117 | IMAGE ERASING APPARATUS AND SHEET CARRYING METHOD OF IMAGE ERASING APPARATUS - An image erasing apparatus includes a sheet stacking tray, a first sheet feeding roller, a pair of separation rollers, a pair of second sheet feeding rollers, a carrying detection sensor, a sheet carrying device, a heating device, and a stacking device. The pair of the separation rollers is provided downstream of the first sheet feeding roller configured to take in sheets from the sheet stacking tray and separates the sheets. The pair of the second sheet feeding rollers is provided downstream of the pair of the separation rollers and carries the sheets in the sheet carrying direction. The carrying detection sensor is provided in the vicinity of the pair of the second sheet feeding rollers and detects passing of the sheets. The heating device erases images formed on the sheets by heating the sheets to or above a color erasing temperature of a developer. Upon detection of double feeding of the sheets on the basis of an output of the carrying detection sensor, the control device rotationally drives one of the pair of the separation rollers in the sheet carrying direction and the other in a direction opposite to the sheet carrying direction by a certain distance. | 09-15-2011 |
20110221848 | RECORDING MEDIUM SORTING APPARATUS, ERASING APPARATUS, AND RECORDING MEDIUM SORTING METHOD - According to one embodiment, an erasing apparatus includes: a recording medium sorting apparatus including a first conveyance guide having a curvature radius smaller than curvature radiuses of all curved surfaces present in a downstream direction in a recording medium conveying path, a second conveyance guide forming the recording medium conveying path in conjunction with the first conveyance guide and set to be capable of opening and closing the recording medium conveying path, and a displacing device configured to open and close the second conveyance guide; and a control unit. If the control unit determines that a jam occurs in the recording medium sorting apparatus, the control unit opens the second conveyance guide to collect a recording medium that causes the jam. | 09-15-2011 |
20110221849 | RECORDING MEDIUM REMOVING APPARATUS, ERASING APPARATUS, AUTOMATIC DOCUMENT FEEDING APPARATUS, AND RECORDING MEDIUM REMOVING METHOD - According to one embodiment, an erasing apparatus including a recording medium removing apparatus includes: a thickness determining unit configured to determine whether the thickness of a recording medium is equal to or larger than a first threshold, a conveyance guide forming a conveying path for the recording medium; a conveyance guide displacing device configured to lift the conveyance guide if the thickness determining device determines that the thickness of the recording medium is equal to or larger than the first threshold, and a removing mechanism configured to remove, from a recording medium conveying path, the recording medium determined as unconveyable. | 09-15-2011 |
20110221850 | RECORDING MEDIUM REMOVING APPARATUS, ERASING APPARATUS, CUTTING APPARATUS, AND RECORDING MEDIUM REMOVING METHOD - According to one embodiment, an erasing apparatus including a recording medium removing apparatus includes: a thickness sensor configured to change an output signal according to the thickness of a recording medium; a recording medium conveying mechanism configured to convey the recording medium; a recording medium removing mechanism provided downstream in a recording medium conveying direction of the thickness sensor and configured to remove the recording medium in a direction perpendicular to the recording medium conveying direction; a control unit configured to remove, if the control unit determines that the recording medium is unconveyable, the recording medium from a recording medium conveying path with the recording medium removing mechanism; and a heating roller configured to heat the recording medium to temperature equal to or higher than erasing temperature. | 09-15-2011 |
20120275803 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - An image forming apparatus forms a stamp image with a stamp image developer having a color developing temperature at a color erasing temperature of an image forming developer, and forms a mask image with a mask image developer having a color re-developing temperature at a temperature not lower than a color re-developing temperature of the image forming developer. Accordingly, when a confidential document is color-erased, the stamp image develops color, and when the color-erased confidential document again develops color, it can not be read. | 11-01-2012 |
20130002785 | ERASING DEVICE, IMAGE FORMING APPARATUS, AND ERASING METHOD - An erasing device includes a line scanner on an upstream side in a recording medium conveying direction, includes a thermal head downstream in the recording medium conveying direction of the line scanner, and includes a platen in a position opposed to the thermal head as a heating device across a recording medium conveying path. The erasing device causes the heat generating elements of the thermal head in positions corresponding to color and density sensors in positions of an image detected by the line scanner to generate heat. The erasing device controls, according to detected colors or density, a quantity of heat to be generated. | 01-03-2013 |
20130008294 | SHEET PROCESSING APPARATUS AND SHEET CONVEYING METHOD - If a sheet processing apparatus does not perform a punching action, the sheet processing apparatus displaces, (1) if conveying speed of a sheet exceeds a threshold, a punch unit such that a width direction perpendicular to a sheet conveying direction of a skew detecting section, which is a conveyance guide rear end of the sheet, and the center line in the width direction of the punch unit are parallel to each other and displaces, (2) if the conveying speed of the sheet equal to or lower than the threshold, the punch unit according to movement of the sheet. | 01-10-2013 |
20130017004 | IMAGE FORMING APPARATUS HAVING FIXING DEVICE THAT RESPONDS TO REQUEST WHEN USING DECOLORABLE INK - An image forming apparatus includes: a first image forming unit which forms a first image on a first recording medium with a first material which is not thermally decolorized; a second image forming unit which forms a second image on a second recording medium with a second material which is thermally decolorized; a fixing unit which is on a common carrying path shared by the first recording medium and the second recording medium and fixes the first image to the first recording medium; and a control unit which controls the fixing unit so that the temperature of the second recording medium passing through the fixing unit becomes lower than a decolorizing temperature of the second material. | 01-17-2013 |
20130045020 | IMAGE FORMING APPARATUS HAVING FIXING DEVICE THAT RESPONDS TO REQUEST WHEN USING DECOLORABLE INK - An image forming apparatus includes: a first image forming unit which forms a first image on a first recording medium with a first material that is not thermally decolorizable; a second image forming unit which forms a second image on a second recording medium with a second material that is thermally decolorizable; a fixing device which is on a common carrying path shared by the first recording medium and the second recording medium and fixes the first image to the first recording medium; and a controller which controls the fixing device so that a temperature of the fixing device is lower than a decolorizing temperature of the second material when the second recording medium reaches the fixing device. | 02-21-2013 |
20130057633 | IMAGE ERASING APPARATUS FOR ERASING IMAGE ON SHEET WHILE CARRYING SHEET - An image erasing apparatus includes: a first carrying section carrying a recording medium; a second carrying section carrying the recording medium; a branching section branching a carrying path into the first carrying section and the second carrying section; a first erasing section erasing an image of the recording medium in the first carrying section; a second erasing section erasing the image of the recording medium in the second carrying section; a third carrying section carrying the recording medium pas sing through the first erasing section to the second carrying section; and a control section selecting the carrying path of the recording medium depending on an image erasing mode. | 03-07-2013 |
20130229476 | IMAGE ERASING APPARATUS AND RECORDING MEDIUM CONVEYING METHOD FOR IMAGE ERASING APPARATUS - An image erasing apparatus includes: a paper feeding tray configured to feed a recording medium; a sensor group including a double-feed detection sensor configured to detect double feed of the recording medium and a media sensor configured to detect the thickness of the recording medium; a recording-medium collecting device, a collection box, or a discharge box configured to collect the recording medium; and a recording-medium conveying device connecting the paper feeding tray, the sensor group, and the recording-medium collecting device, the collection box, or the discharge box on a straight line. | 09-05-2013 |
20130229477 | IMAGE ERASING APPARATUS FOR ERASING IMAGE ON SHEET WHILE CARRYING SHEET - An image erasing apparatus includes: a first carrying section carrying a recording medium; a second carrying section carrying the recording medium; a branching section branching a carrying path into the first carrying section and the second carrying section; a first erasing section erasing an image of the recording medium in the first carrying section; a second erasing section erasing the image of the recording medium in the second carrying section; a third carrying section carrying the recording medium passing through the first erasing section to the second carrying section; and a control section selecting the carrying path of the recording medium depending on an image erasing mode. | 09-05-2013 |
20130258027 | IMAGE ERASING APPARATUS AND IMAGE ERASING METHOD - An image erasing apparatus comprising: a scanning unit; a memory unit; a erasing unit; a first conveying unit includes a first conveying direction as a conveying direction of the sheet; a storage unit that stores the sheet which is scanned by the scanning unit and is not conveyed to the erasing unit by the first conveyance unit; a second conveyance unit that once conveys the sheet from the first conveying unit to the storage unit, then return the sheet to the first conveyance unit; and an interface unit that displays the image data stored in the memory unit and receives an instruction from a user, when the instruction for erasure is received, the interface unit operates the first conveyance unit and the second conveyance unit so as to conveys to the erasing unit, the sheet stored in the storage unit. | 10-03-2013 |
20130258379 | IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER-READABLE RECORDING MEDIUM HAVING IMAGE FORMING PROGRAM RECORDED THEREIN - There is provided an image forming apparatus including: an image data acquiring unit that acquires image data of an image formed on a sheet; an identification information image reading unit that reads an identification information image formed on the sheet, the identification information image corresponding to identification information that identifies the sheet on which the image is formed; an image forming unit that forms a first image based on the image data acquired by the image data acquiring unit on the sheet with a decolorable colorant which becomes colorless by a predetermined chemical reaction; and a storage control unit that stores the identification information and the image data of the image to be formed on the sheet, on which the identification information image corresponding to the identification information is formed, in a predetermined storage region in a correlated manner. | 10-03-2013 |
20130334760 | DECOLORING DEVICE AND FUNCTION MANAGEMENT METHOD - When the presence or absence of a malfunction is respectively determined in a decoloring section or a separation device, and it is determined that either the decoloring section or the separation device is malfunctioning, only the other is executable. | 12-19-2013 |
20140300933 | IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER-READABLE RECORDING MEDIUM HAVING IMAGE FORMING PROGRAM RECORDED THEREIN - There is provided an image forming apparatus including: an image data acquiring unit that acquires image data of an image formed on a sheet; an identification information acquiring unit that acquires identification information that identifies the sheet on which the image is formed; an image forming unit that forms an image based on the image data on the sheet with a decolorable colorant which becomes colorless by a predetermined chemical reaction and that forms an identification information image based on the identification information on the sheet with a non-decolorable colorant which does not become colorless by the chemical reaction; and a storage control unit that stores the identification information and the image data of the image to be formed on the sheet, on which the identification information image corresponding to the identification information is formed, in a predetermined storage region in a correlated manner. | 10-09-2014 |
20150037743 | SYSTEM FOR DECOLORING INFORMATION MANAGEMENT OF A DECOLORING APPARATUS - According to one embodiment, a system for a decoloring information management of a decoloring apparatus includes an decoloring processing unit, a sheet conveying unit, a sheet reading unit, a user ID reading unit, a storing unit configured to store a predetermined information, and a control unit. A sheet on which an image is formed with an decolorable colorant is subject to decoloring processing. The sheet conveying unit conveys the sheet and causes the sheet to pass through the decoloring processing unit. The sheet reading unit is arranged further on an upstream side than the decoloring processing unit. The user ID reading unit reads ID information of a user. The storing unit stores predetermined information. The control unit controls the storage unit to correlate the user ID and the read information by the sheet reading unit. | 02-05-2015 |