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| Number | Title | Issue Date |
| 8141870 | Methods for moving a media sheet within an imaging device A method for moving a media sheet within an imaging device includes moving a media sheet along a media path past a predetermined point PP on the media path by rotating a roller. After moving the media sheet past the point PP, a processor monito... | 03/27/2012 |
| 8136811 | Automatic document feeder An automatic document feeder includes a paper guide casing, a photo interrupter, a first sensing unit, a second sensing unit and a controller. During the paper is transported through the paper guide casing, the first sensing unit and the second sensing unit are resp... | 03/20/2012 |
| 8109506 | Sheet observer with a limited number of sheet sensors A method and system for determining sheet position and orientation of a sheet as the sheet moves along a feed path is provided herein. The method includes moving the sheet along the feed path and past at least one point sensor to measure a first position of the shee... | 02/07/2012 |
| 8109507 | Recording apparatus A movable component which can be moved between a protruding position in which the movable component protrudes from the outer chute into a curved path toward an inner chute so as to be able to contact the recording medium and a retracted position in which the degree ... | 02/07/2012 |
| 8091886 | Sheet conveying device and image forming apparatus A sheet conveying device which has a reduced size and is capable of detecting the amount of lateral sheet registration deviation and correcting the deviation at high speed. The sheet conveying device includes shift roller pairs for conveying sheets, and a shift unit... | 01/10/2012 |
| 8056897 | Moving sensor for sheet edge position measurement A method and apparatus for determining the lateral position of a moving sheet in a sheet registration system. A side edge sensor is moved from a known location until the side edge of the moving sheet is detected. A signal is generated indicative of the position of t... | 11/15/2011 |
| 8047536 | Image forming apparatus An image forming apparatus has a sheet feeding portion feeding a sheet; a conveyance passage for conveying the sheet inside the apparatus; an image forming portion forming an image on the sheet; a skewing detector disposed in the conveyance passage between the sheet... | 11/01/2011 |
| 8038148 | Meander control system, and meander control method A meander control is performed by using: a guide roller that alters the conveying direction of a aluminum sheet conveyed along a conveying path; a first edge sensor that detects the amount of meandering at a first detection position that is upstream of the guide rol... | 10/18/2011 |
| 8002275 | Sheet conveying apparatus and image forming apparatus having a first skew feeding correction unit and a second skew feeding correction unit A sheet conveying apparatus includes a plurality of skew feeding correction rollers, a detection portion and a control portion which controls each sheet conveying speed of the plurality of skew feeding correction rollers so as to perform skew feeding correction of t... | 08/23/2011 |
| 7971876 | Method of and system for module to module skew alignment One disclosed feature of the embodiments is a method of aligning transport modules in a printing system, the method comprising a step (a) including passing at least one substrate media in a process direction through two adjacent belt driven transport modules with at... | 07/05/2011 |
| 7942408 | Image forming apparatus and method for transporting sheet thereof Provided is an image forming apparatus including: a first sensor which is provided on a transportation path of a sheet and detects a first passage time of the sheet; a second sensor which is provided at a position different from the position of the first sensor in a... | 05/17/2011 |
| 7938399 | Sheet conveying apparatus, image forming apparatus, and image reading apparatus A curved conveying guiding portion which guides a sheet toward a skew correcting unit is provided on a sheet conveying direction upstream of the skew correcting unit which corrects a skew of the sheet by rotating the sheet while conveying it. By narrowing an interva... | 05/10/2011 |
| 7900913 | Image forming apparatus and method for controlling the same An image forming apparatus according to the present invention includes: a first sensor that is provided in a conveying path for a sheet and detects a first passage time of the sheet; a second sensor that is provided in a position different from a position of the fir... | 03/08/2011 |
| 7896339 | Sheet transporting apparatus and sheet processing apparatus using the same A sheet transporting apparatus, includes: a sheet transportation path; a predetermined number of transport members disposed in a sheet transportation path; a side position regulating mechanism which regulates a position of a side edge of a sheet in the sheet transpo... | 03/01/2011 |
| 7866664 | Method for sensing paper skew and method for correcting paper skew A method for sensing a paper skew adapted for a device having a paper feeding mechanism is provided. The device has a feed sensor which is fixed at a start position of paper feeding; and, a position sensor which moves in a direction perpendicular to a direction of p... | 01/11/2011 |
| 7866663 | Method for sensing paper skew and method for correcting paper skew A method for sensing a paper skew adapted for a device having a paper feeding mechanism is provided. The device has a feed sensor which is fixed at a start position of paper feeding; and, a position sensor which moves in a direction perpendicular to a direction of p... | 01/11/2011 |
| 7806403 | Sheet conveying apparatus and image forming apparatus A sheet conveying apparatus includes a sheet conveying part that conveys sheets; a detection part that outputs a signal according to a position of each sheet conveyed by the sheet conveying part in a lateral direction orthogonal to a conveying direction; a lateral s... | 10/05/2010 |
| 7802789 | Sheet conveying device, sheet punching device, sheet processing device, image forming apparatus, and method for determining mounting state of measuring unit A sheet conveying device includes a conveying unit that conveys a sheet in a sheet conveying direction; a measuring unit that measures a position of a side edge of the sheet in a measurement area; a shielding unit having an end portion that is projected into the mea... | 09/28/2010 |
| 7798490 | Sheet conveying apparatus, image forming apparatus, and image reading apparatus A sheet conveying apparatus, an image forming apparatus, and an image reading apparatus are capable of stably correcting the delay or the advance of a sheet even if sheet conveying rollers such as a skew feeding correction roller and the like are decentered. The del... | 09/21/2010 |
| 7780163 | Device and method for aligning bank notes An apparatus and a method for aligning bank notes in a transport system in which, when aligning bank notes in a transport system the alignment of a bank note transported separately in the transport system is detected, that it is ch... | 08/24/2010 |
| 7775518 | Sheet carrying device and sheet carrying method A technique is provided that can realize highly accurate skew correction without employing any particularly complicated device configuration. The quantity of skew of a sheet is determined in accordance with a detection result from a first pair of sensors. Driving of... | 08/17/2010 |
| 7766325 | Paper rotation method and apparatus Apparatus for rotating a sheet moving in a first direction, the rotator comprising: at least one first roller that rotates against a sheet first side, the at least one first roller having a first drive; at least one second roller that rotates against t... | 08/03/2010 |
| 7703766 | Method for sensing paper skew and method for correcting paper skew A method for sensing a paper skew adapted for a device having a paper feeding mechanism is provided. The device has a feed sensor which is fixed at a start position of paper feeding; and, a position sensor which moves in a direction perpendicular to a direction of p... | 04/27/2010 |
| 7677558 | Sheet conveying device and image forming apparatus A sheet conveying device for conveying a sheet includes a displacement-amount detector configured to detect an amount of displacement of a conveyed sheet from a conveyance reference in a width direction being substantially perpendicular to a sheet conveying directio... | 03/16/2010 |
| 7648138 | Sheet handling apparatus A sheet handling apparatus is proposed to be able to stably shift a position of a sheet. A sheet handling apparatus comprises: conveyance device for conveying a sheet; shift device, rotating in a direction inclined relative to a direction of conveyance of the sheet,... | 01/19/2010 |
| 7631867 | Moving carriage lateral registration system A method of registering sheets laterally and in skew enables active sheet deskew without translating the sheet in the cross-process direction. A sensor carriage position is controlled to find the sheet edge after which deskew control can start. The average value of ... | 12/15/2009 |
| 7618039 | Sheet detecting apparatus and image forming apparatus In a sheet detecting sensor, light emitted from a linear light emitting element is blocked by a sheet from entering a light receiving element which is located immediately below the sheet. Only light receiving elements which are not immediately below the sheet, recei... | 11/17/2009 |
| 7516957 | Image forming apparatus An image forming apparatus provided with a bent sheet feeding guide member in the transportation path for transporting the recording material with the inclination along the width direction of the guide surface configured by the bent sheet feeding guide member being ... | 04/14/2009 |
| 7500668 | Duplex registration systems and methods An electrostatographic and/or xerographic machine includes a media path adapted to move a media sheet. Sensors are positioned adjacent the media path. The media sheet has a leading edge and a trailing edge and the sensors are adapted to identify locations of the lea... | 03/10/2009 |
| 7500669 | Registration of tab media A printing system for printing images onto copy sheets and tab stock includes a media registration transport for transporting a media sheet along a path. The printing system further includes a sensing system having a plurality of sensors positioned in line and ortho... | 03/10/2009 |
| 7472905 | Sheet conveying apparatus, image forming apparatus and image reading apparatus A sheet conveying apparatus has a skew conveying correction roller pair 2 for conveying a sheet, skew conveying detection sensors 3a and 3b for respectively detecting a skew of a sheet and a sheet-end-position detection sensor 4... | 01/06/2009 |
| 7422210 | Sheet deskewing system with final correction from trail edge sensing In a system of automatic deskewing and registration of print media sheets moving in a printer paper path with laterally spaced apart differentially driven rollers controlled by the sensing of the moving sheet lead edge skew at a position downstream in said paper pat... | 09/09/2008 |
| 7416182 | Paper skew correcting device and bill depositing/dispensing apparatus The present inventions are a paper skew correcting device and a bill depositing/dispensing apparatus. The paper skew correcting device comprises first and second driving rollers 21 and 22 disposed on the left and right sides of a conveying route for pa... | 08/26/2008 |
| 7415221 | Modular media registration systems and methods for printing or image-forming apparatus Embodiments herein comprise registrations module(s) positioned between image output terminal(s), feeder module(s), and/or finisher module(s). Each registration module comprises a casing having first mounting points that correspond to second mounting points on an adj... | 08/19/2008 |
| 7401990 | Paper path calibration and diagnostic system A plurality of scanner bars is arranged in precisely located holes in the frame of a media handling device to detect the passage of the lead and trail edge of media. The multiplicity of scanner bars, arranged linearly at a right angle to the direction of motion of t... | 07/22/2008 |
| 7392743 | Thickness detecting apparatus There are provided a thickness detecting apparatus which can restrain erroneous detection even though a sheet or the like overlaps with only a part of a rotary body, and, which can enhance the degree of accuracy of detection, comprising a cylindrical displaceable ro... | 07/01/2008 |
| 7357390 | Devices for aligning sheets and a method for aligning sheets transversal to the direction of travel of the sheets A device is provided for use in the alignment of sheets transverse to a direction of sheet travel. A sheet retaining device, which conveys the sheets, is displaceably mounted for holding the sheets against a side guide. At least two sheets are situated one above the... | 04/15/2008 |
| 7338042 | Sheet supplying apparatus The uppermost original of a bundle of originals placed on a stacking tray is photographed by an area sensor, and on the basis of chroma saturation information of image information thus obtained, whether the original to be separated is a color original is discriminat... | 03/04/2008 |
| 7328898 | Image forming apparatus including timing determination unit, and corresponding sheet feeding method An image forming apparatus including a drive unit that drives a drive control unit that supplies a first drive current to the drive unit so as to acceleratingly drive an intermediate feeding roller, and supplies a current that is smaller than the first drive current... | 02/12/2008 |
| 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 |
