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| Number | Title | Issue Date |
| 7860446 | Image reading device and image forming apparatus An image reading device includes a document stacking tray on which documents are stacked, a feed roller for picking up, one sheet at a time, the documents that are stacked on the document stacking tray, a curved transporting path through which the document is transp... | 12/28/2010 |
| 7418232 | Original document supply device for image forming device, and image forming device equipped with the same The ADF 11 is a device for feeding an original document toward an original document scanning position R, comprising an original document loading unit 31, paper feeding roller 51, pressure sensor 33 and lift plate drive unit 35. The... | 08/26/2008 |
| 7357584 | Sheet transport device Disclosed is a sheet transport device having: a registration roller to transport a sheet after correcting a skew of the sheet; a drive source to drive the registration roller; a frame body; and a rotation resisting body which is connected to the registration roller ... | 04/15/2008 |
| 7324781 | Automatic document transportation device An automatic document transportation device includes a document tray, a document discharge tray, a transportation path, a document feed roller, a separating pad, transportation rollers, a Charge Coupled Device (CCD) scanning unit, a Contact Image Sensor (CIS) scanni... | 01/29/2008 |
| 7319842 | Pivotal sheet conveying apparatus for skew correction and image forming apparatus To provide a sheet conveying apparatus capable of enhancing an accuracy of correcting a skew of a sheet, and of preventing position shift of a sheet. The present invention provides a sheet conveying apparatus for conveying a sheet by a sheet conveying unit disposed ... | 01/15/2008 |
| 7258500 | Media processing apparatus and scanner unit The media processing apparatus has a first transportation path for guiding the check, a second transportation path and a third transportation path that diverge from the first transportation path, a front scanner that is rendered along the first transportation path f... | 08/21/2007 |
| 7251449 | Rotating member One embodiment of a mechanism may include a member having a first axis and a surface non-concentric with said first axis, a first gear rotatably mounted on said member at a second axis different from said first axis, and a device coupled to either of said member or ... | 07/31/2007 |
| 7206532 | Multiple object sources controlled and/or selected based on a common sensor A sensor module is able to sense at least one aspect of objects produced by a plurality of object sources. Since one sensor module or set of sensor elements is used to examine output from the plurality of object sources, sensor to sensor variation is removed as a so... | 04/17/2007 |
| 7171153 | Image forming apparatus The image forming apparatus includes an image forming unit installed in a main body of the image forming apparatus and a tray stack including stacked media supplying units for supplying the media piece from selected one of the stacked media supplying units to the im... | 01/30/2007 |
| 7164512 | Document transfer device and image reading apparatus A document transfer device for transferring a document to a document stop reference position includes a supply port disposed on an end of the contact glass; the first supply path for guiding the document supplying through the supply port to a downstream side along t... | 01/16/2007 |
| 7038418 | Numerical control apparatus The numerical control apparatus includes a numerical control part for outputting a move command, one motor control part for generating a PWM signal for a plurality of motors based on the move command from the numerical control part, and a plurality of motor amplfier... | 05/02/2006 |
| 7038819 | Depth of field adjustment device and method for an automatic document feeder The present invention relates to a depth of field adjustment device and method for an automatic document feeder. The automatic document feeder has a guiding groove for placing an object to be scanned. The guiding groove has a scanning window for providing image pick... | 05/02/2006 |
| 7016640 | Document handler/scan tub skew correction system An improvement in a skew adjustment system used in correcting skew between a document handler and a scan tub includes curved slots in a base portion of the document handler that are positioned for rotation over protruding members projecting from the surface of a mov... | 03/21/2006 |
| 7016642 | Image forming apparatus and image formation control method A frame image (210) with 5-mm wide margins is formed on a paper sheet on the basis of the leading end and widthwise end positions of the paper sheet (107) detected by a contact image sensor (CIS) (204) in an adjustment mode. After that, this pap... | 03/21/2006 |
| 6990311 | Apparatus and method for limiting media movement on an imaging apparatus Disclosed are systems and methods for limiting movement of medium on an imaging apparatus comprising positioning the medium against an imaging surface, moving a moveable surface to sandwich the medium between the imaging surface and the moveable surface, and passing... | 01/24/2006 |
| 6941083 | Image forming apparatus with image deviation correction function The image forming apparatus having an image deviation correction function of the present invention measures passing waveforms of correction patterns on a transfer belt printed in the main scanning direction in a relationship of a reflected image and correction patte... | 09/06/2005 |
| 6934505 | Image forming apparatus A paper transferring device for an image forming apparatus includes a plurality of guide members forming a paper transferring path connecting a paper feeding device and a photosensitive drum, a feeding roller disposed on a side of the paper transferring path adjacen... | 08/23/2005 |
| 6934504 | Image forming apparatus and image formation control method A frame image (210) with 5-mm wide margins is formed on a paper sheet on the basis of the leading end and widthwise end positions of the paper sheet (107) detected by a contact image sensor (CIS) (204) in an adjustment mode. After that, this pap... | 08/23/2005 |
| 6923437 | Apparatus and methods for feeding sheets of media to a media processor Apparatus for feeding sheets of media to a media processor may include a take-away roller for engaging a first sheet of media. It may further include a first sensor for detecting a movement of the first sheet of media past the take-away roller. The apparatus may inc... | 08/02/2005 |
| 6915102 | Original document conveyance device A document sheet conveyance device includes a sheet feeding tray on which document sheets are stacked, a stopping member against which leading edges of the stacked document sheets hit, a sheet feeding member for feeding the document sheets in the order from a top th... | 07/05/2005 |
| 6896257 | Sheet feeding apparatus A sheet feeding apparatus includes a stacking tray for stacking a sheet, a sheet feeding device for feeding the sheet, a register device for aligning a leading edge of the sheet fed by the sheet feeding device, a recognition device for recognizing a state that the s... | 05/24/2005 |
| 6804473 | Image forming apparatus An image forming apparatus has an abnormality detecting device for detecting the abnormality of the sheet, an abnormal sheet containing portion for containing therein the sheet of which the abnormality has been detected, a normal sheet containing portion for tempora... | 10/12/2004 |
| 6666451 | Method and device for aligning sheets A method and a device for aligning sheets. The device includes a first and a second supporting stop for supporting the sheet against gravity in a first non-aligned position of the sheet. The device further includes two alignment stops and an actuator for ... | 12/23/2003 |
| 6618575 | Automatic document feeder with a conveying roller and an image reader An automatic document feeder of the invention has a conveying roller for conveying a document sheet to a document reading position on a platen facing a document image reading portion. The automatic document feeder contains a pickup guide for picking up th... | 09/09/2003 |
| 6614506 | Image forming apparatus and registration correcting method of the image forming apparatus An image forming apparatus for sequentially superimposes images formed by a plurality of image forming stations for forming images of different colors, respectively, on a transferring material born and transported by a transferring material transporting m... | 09/02/2003 |
| 6151478 | Document feeder for a copying machine A document feeder which has a feed roller for feeding a document picked up from a tray toward a reading position, a first pair of rollers which is located immediately before the reading position, a second pair of rollers which is located immediately after... | 11/21/2000 |
| 6137600 | Recording apparatus In a recording apparatus for stably conveying a recording medium to a recording portion by a convey belt, the recording medium is passed through a nip of a pair of separation supply rollers and enters into a nip between a convey belt and a driven roller a... | 10/24/2000 |
| 5949922 | Image reading apparatus First and second patterns are located outside of an image reading area. A first pattern comprises a plurality of lines each extending at a fixed angle with respect to a sub-scan direction. A second pattern comprises a plurality of lines each extending at ... | 09/07/1999 |
| 5946539 | Image forming apparatus having a reference position preventing blockage of an optical path Lights passing in the range of an optical path L1 to an optical path L2 are blocked off by a lead register 201 and, therefore, the light from a light source is prevented from reaching the range of a position P1 to a position P2. Lights in the range of an ... | 08/31/1999 |
| 5946540 | Document feeder having a curved document transportation path A document feeder which has a document transportation path curved with a curvature radius such that a document original is reversed and fed therethrough to a document setting surface. The document feeder further includes a pair of rollers respectively dis... | 08/31/1999 |
| 5931454 | Recycle document feeder A recycle document feeder according to the present invention includes a cover (251) covering a document discharge portion (30). The cover (251) is openably supported by a pivot shaft (256) between a pair of frames (255). A feed-back path (32) for guiding ... | 08/03/1999 |
| 5909235 | Wide area beam sensor method and apparatus for image registration calibration in a color printer Disclosed is a color printer including an image bearing member having an imageable surface for movement along a preselected path, at least a first imaging assembly for forming sets of multiple black toner registration marks on different areas of the image... | 06/01/1999 |
| 5854964 | Image reading apparatus having an auto document feeder An auto document feeder (ADF) adjustment mode is set from an operation panel and a start key is pressed. An original is conveyed to an image reading unit by an original conveying apparatus, a scanner reads an original image and image data is generated. Th... | 12/29/1998 |
| 5822672 | Copying machine A copying machine having a two-in-one copying mode comprises a document feeder means 65, 75 and three conveying means 90, 95, 101. The feeder means 65, 75 feeds a document toward a glass platen 29 one by one to stop the document at a first-out position. T... | 10/13/1998 |
| 5799237 | Reading apparatus in which image reading means may be fixed to read and original being conveyed A reading apparatus includes an image reader for reading a sheet original positioned at a reading position and an automatic original conveyor for supplying the sheet original onto the reading position, wherein the sheet original can be read through an ima... | 08/25/1998 |
| 5649274 | Electrophotographic printer using a continuous-form recording sheet An electrophotographic printer is capable of using a plurality of types of continuous form recording media having different page lengths, respectively. In the printer, a photoconductive member is charged and exposed to light carrying image data to form a ... | 07/15/1997 |
| 5574527 | Multiple use of a sensor in a printing machine A method and apparatus for sensing multiple process parameters with a single sensor in a printing machine. The sensor senses the photoreceptor belt seam to insure that the latent image is not formed on the belt seam; the toner density is used to control t... | 11/12/1996 |
| 5559594 | Copying method and apparatus for copying a document in two-in-one mode A copying machine for copying a document in two-in-one mode comprises a scale (120), an automatic document feeder (ADF) (60), a document selection key (105) and a control circuit (CPU2). A scale (120) is arranged upstream or downstream of the glass platen... | 09/24/1996 |
| 5555084 | Apparatus for sheet to image registration An apparatus for registering a sheet with a developed image on a moving surface. The apparatus includes a transfer station, detector, memory, and a registration transport. The detector is located at the transfer station and generates a registration signal... | 09/10/1996 |
| 5539509 | Sheet transportation system in magnetic-toner xerographic image fixing apparatus Sheet transportation apparatus operating in an image forming system for xerographic printing employing magnetic toner. The inventive features of the sheet processing apparatus are directed toward smooth transportation and discharge of printing sheets sent... | 07/23/1996 |
