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| Number | Title | Issue Date |
| 7253930 | Scanner drive system A drive system for an optical imaging head assembly of a scanner includes a rack having a first side and a second side opposite the first side, the first side including a toothed surface and the second side including a guide surface, a pinion engaged with the toothe... | 08/07/2007 |
| 7218426 | Image reading apparatus and image-forming apparatus incorporating the image-reading apparatus An image-reading apparatus for reading an image formed on a document is provided which includes an automatic document feeder, a dynamic-document reading section, a static-document reading section, and a document-covering member. A light source mechanism irradiates a... | 05/15/2007 |
| 7191944 | Drive mechanism for image scanner apparatus An image scanner apparatus is composed of a housing, an optical unit positioned in the housing, a drive mechanism driving the optical unit. The drive mechanism includes first and second wires connected to the optical unit, and a drive motor driving the first and sec... | 03/20/2007 |
| 7130089 | Original document scanning apparatus An original document scanning apparatus includes a supporting plate for supporting an original document; a scanning unit, movable relative to the supporting plate, for scanning the original document; a spacer member for regulating a clearance between the supporting ... | 10/31/2006 |
| 6961154 | Image reading apparatus and image-forming apparatus incorporating the image-reading apparatus An image-reading apparatus for reading an image formed on a document is provided which includes an automatic document feeder, a dynamic-document reading section, a static-document reading section, and a document-covering member. A light source mechanism irradiates a... | 11/01/2005 |
| 6203222 | Printer head device and printer image processing system having the same A head for a printer and an image processing system is provided in which light emitted from light emitting elements formed on a substrate of the head does not leak from pinholes of a non-corresponding light emitting elements and does not interfere with li... | 03/20/2001 |
| 6108505 | Tension mechanism for carrier driving wire in an image processor A tension mechanism for a carrier driving wire in an image processor in which a tension spring used to put the carrier driving wire under a tension is position regulated so that the tension spring is prevented from being stretched due to a vibration inevi... | 08/22/2000 |
| 6009281 | Flash device A flash device comprising a power source; a main capacitor adapted to be charged by the power source; a flash firing unit operable to consume charge stored in the main capacitor to emit a flash light; a switching unit disposed in a discharge loop for the ... | 12/28/1999 |
| 5875376 | Carriage positioning structure for a scanner A carriage positioning structure includes a carriage pivoted to a longitudinal guide rod and reciprocated along a longitudinal sliding rail inside a scanner between a bottom shell and a flat glass plate, an image pick-up mechanism carried on the carriage ... | 02/23/1999 |
| 5734483 | Image scanner having contact-type image sensor There is provided an image scanner in which no shock is applied to a carrier moving an image sensor when the carrier is moved between an automatic document feeder and a contact glass on which an original document is placed. The image sensor is pressed aga... | 03/31/1998 |
| 5669048 | Exposure device having a movable light-attenuating filter for controlling an amount of exposure light and exposure method thereof An exposure device which scans and exposes a photosensitive material at low cost and with an appropriate amount of light. In a state in which the original is moved, light adjusted by a light-adjusting filter is transmitted through a light-attenuating filt... | 09/16/1997 |
| 5612767 | Image forming device having an image-holding body which rolls on a recording sheet about an axis parallel to a conveying direction of the recording sheet An image forming device includes a conveying unit for conveying a recording sheet in a predetermined direction, a light-exposure unit for forming an image on an image-holding body by using light, which image-holding body rolls on the recording sheet by ro... | 03/18/1997 |
| 5610731 | Image scanner having contact-type image sensor movable under automatic document feeder There is provided an image scanner in which no shock is applied to a carrier moving an image sensor when the carrier is moved between an automatic document feeder and a contact glass on which an original document is placed. The image sensor is pressed aga... | 03/11/1997 |
| 5598252 | Electronic image forming apparatus with reduced residual carrier and toner attraction An image forming apparatus provides a photosensitive body, a main charger, an exposing unit, developing unit and a contact-transfer charger. The main charger charges the photosensitive body with a predetermined electric potential. The exposing unit applie... | 01/28/1997 |
| 5541713 | Device for estimating a size of an original document An original document size estimating device includes a first optical sensor and a second optical sensor operable to detect an original document placed on a specified position. The first optical sensor is positioned before the second optical sensor with re... | 07/30/1996 |
| 5452060 | Endless belt transport apparatus An endless belt transporting apparatus in a transfer unit or an image carrying member in an image forming apparatus, providing a flatness correcting member, mounted between support frames, for obtaining a flatness of the endless belt, and stepped portions... | 09/19/1995 |
| 5298937 | High productivity method and apparatus for scanning simplex or duplex originals A scanning system that uses two cameras or scanners and two original document paths. If the system is to be used in a duplex mode, the original document is transmitted over a single document path while a first camera scans one side of the document and a s... | 03/29/1994 |
| 5274427 | Scanning exposure apparatus having cutting structure for severing photosensitive web The slit exposure process camera keeps a photosensitive material flat in the exposure position, and further makes a useless area on the material smaller. The apparatus includes: a pair of feeding rollers 25 disposed upstream from the exposure position for... | 12/28/1993 |
| 5241400 | Picture-image formation apparatus having different carrier speeds or carrying modes for detecting a registration mark for image forming A multiple picture-image formation apparatus comprises a plurality of picture-image formation devices each forming a plurality of picture images, a pattern generation device for forming a pattern for registration correction by means of the plurality of re... | 08/31/1993 |
| 5179413 | System for illuminating a linear zone which reduces the effect of light retroflected from outside the zone on the illumination An illuminating system, which illuminates a line and translates that line over a document on a platen of a scanner or copier which receives light from the line on an image (photo) receptor thereof, uses primary and secondary reflectors having internal ref... | 01/12/1993 |
| 5168310 | Original image transporting and reading apparatus An image reading apparatus is provided with a transparent plate horizontally disposed on which an image reading operation is performed, and a transporting device disposed above the transparent plate for transporting an original sheet to the transparent pl... | 12/01/1992 |
| 5140443 | Image scanning apparatus An apparatus for scanning an image, comprising a main unit body casing, a first original platen having a transparent surface on which a light-reflective original is placed, a second original platen movable in a horizontal direction inside the main unit bo... | 08/18/1992 |
| 5105225 | Image forming apparatus with increased throughput from simultaneous scanning and original feed An image reading apparatus has an automatic original transporting device, a scanning device for effecting exposure scanning of the original while moving relative to the original over a platen glass, and a control circuit for controlling the scanning devic... | 04/14/1992 |
| 5070360 | Copying machine with a slidefilm exposure device A copying machine which projects a light image from different documents placed at different places onto the same exposure section in the photosensitive material along the respective different optical axes, thereby facilitating the changeover of the docume... | 12/03/1991 |
| 5063406 | Copying machine A copy machine (10) of the type for producing enlargements or reductions of an original material includes mirrors (14) for reflecting an image of the original material to a lens (16) and from the lens (16) to an image fixing system (18), and a lens (16) f... | 11/05/1991 |
| 5061960 | Preexposure light control system for a photocopier A slit exposure type photocopier apparatus includes an original document platform on which an original document is to be located. An electrostatic latent image support member receives a projected image of the original document as a result of a scanning op... | 10/29/1991 |
| 5055860 | Image forming apparatus An image forming apparatus for forming an image by deflecting a light beam signal modulated by an image signal onto a photoconductive element by a polygonal mirror to electrostatically form a latent image and developing the latent image. A main scanning s... | 10/08/1991 |
| 5038228 | Sheet transport apparatus of printer having scanner unit A laser beam printer having a scanner unit and a sheet transport apparatus for use with the scanner unit. The printer includes a sheet feeding part, a photosensitive medium, a transfer part, an upper cover and a scanner unit, the transfer part being provi... | 08/06/1991 |
| 5012275 | Right-to-left scanning system for copying documents or bound books An imaging system which uses a right-to-left scanning operation is enabled by first detecting by an optical sensor the right hand edge of a document to be copied, the left edge of the document being registered at the left edge of the platen. The scanning ... | 04/30/1991 |
| 5008686 | Optical scanning device for scanning a predetermined surface with a plurality of light beams An optical scanning device comprises a light source unit having a plurality of light emitting portions arranged in the sub scanning direction, an optical system for directing a plurality of light beams from the light source unit onto a predetermined surfa... | 04/16/1991 |
| 5002366 | Scanning apparatus for reading an original image A scanning apparatus of a copying machine includes a first moving frame and a second moving frame constituting a movable optical system for reading an original image; a toothed belt suspended between a pair of pulleys such that the toothed belt is endless... | 03/26/1991 |
| 4962983 | Laser optical apparatus A laser optical apparatus includes a laser source for emitting first and second laser beams, a first lens for passage of the first laser beam, a second lens for passage of the second laser beam, the first lens is on the second lens.... | 10/16/1990 |
| 4939545 | Apparatus for adjusting optical system of an image forming apparatus Adjusting apparatus adapted to adjust the positions of a first moving frame and a second moving frame respectively engaged with a pair of wrapping power transmission members installed with a predetermined distance provided therebetween. The adjusting appa... | 07/03/1990 |
| 4890137 | Image projection device for use in slit exposure optical system An image projection device for use in a slit exposure type optical system, which has a projection lens cut horizontally at a position above the optical axis thereof and a holder which holds the projection lens at its lower circumferential portion. The sli... | 12/26/1989 |
| 4870502 | Optical scanner An optical scanning device, which includes a transparent support plate having a supporting surface on which an original is positioned, a scanner carriage being mounted for transverse movement below the support plate on two guide elements extending paralle... | 09/26/1989 |
| 4864359 | Scanning exposure device A scanning exposure device comprises a projection lens, a photosensitive member disposed beneath the projection lens, two movable mirrors disposed with their reflecting surfaces facing upward and having asymmetrical inclinations relative to each other, an... | 09/05/1989 |
| 4816875 | Slit illumination system for copying machine and the like A slit illumination system including a document support, a light source, a first elliptic mirror arranged at an opposite side to the document support with respect to the light source, an auxiliary mirror positioned at an opposite side to the first ellipti... | 03/28/1989 |
| 4814625 | Exposure apparatus having gas supplying means for air blow off An exposure apparatus having a movable stage for carrying thereon a workpiece such as a semiconductor wafer and a laser interferometer system for measuring the position of the stage with respect to X and Y directions, is disclosed. The movement of the sta... | 03/21/1989 |
| 4806989 | Optical correction device The present invention provides an optical correction device capable of correcting an exposure distribution so as to be flat at an image receiving surface such as a photoreceptor of copying machine, in spite of varying a projection magnification of origina... | 02/21/1989 |
| 4794427 | Image scanning apparatus An image scanning apparatus includes a focusing lens, a mirror for guiding light beams passing through the focusing lens onto a predetermined exposure position of a moving photosensitive drum, a moving unit for causing the mirror to move along a line inte... | 12/27/1988 |
