Patents for G03G 15 - Apparatus for electrographic processes using a charge pattern (115,618) |
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06/26/1990 | US4937622 Image forming apparatus |
06/26/1990 | US4937616 Light source device for use in a copying machine |
06/26/1990 | US4937612 Optical scanning system for duplex copying |
06/26/1990 | US4937600 Image forming apparatus |
06/26/1990 | US4937592 Image recording--of recording sheets |
06/26/1990 | US4937591 Apparatus for correcting quantity of light from optical printer |
06/26/1990 | US4937117 Flexible belt |
06/26/1990 | US4937105 To avoid adhesion of image forming material and provide sufficient gloss |
06/26/1990 | US4936567 Sheet transport apparatus |
06/26/1990 | US4936249 Developing apparatus having a two pole stationary magnet |
06/21/1990 | DE3937848A1 Positioning of continuously fed paper in laser printer - detecting edge of paper to provide reference for locating paper in printer |
06/20/1990 | EP0374075A2 Toner mass developed control ratio modification system |
06/20/1990 | EP0373968A2 Printing apparatus |
06/20/1990 | EP0373889A2 Multiple source charged particle generation |
06/20/1990 | EP0373888A2 Print cartridge with non-divergent electrostatic field |
06/20/1990 | EP0373874A2 A copying machine |
06/20/1990 | EP0373869A2 Corona generator |
06/20/1990 | EP0373868A2 Electrophotographic method |
06/20/1990 | EP0373704A1 Method of and apparatus for forming a multi-colour image |
06/20/1990 | EP0373678A1 An image fixing apparatus |
06/20/1990 | EP0373654A2 Recording apparatus |
06/20/1990 | EP0373652A2 Method of heat-fixing toner image |
06/20/1990 | EP0373651A2 Cleaning sheet for fixating rotational member and image forming apparatus having fixating rotational member |
06/20/1990 | EP0312546B1 Process and device for fixing, with a constant high quality, toner prints applied to a strip-like recording support |
06/20/1990 | CN1043206A Electro-photography apparatus |
06/20/1990 | CN1008443B Polytetrafluoroethylene containing coating composition and use thereof |
06/19/1990 | US4935788 Multicolor printing system |
06/19/1990 | US4935787 Color copier operable both in monochromatic and full-color copying modes |
06/19/1990 | US4935786 Method and apparatus for duplex printing |
06/19/1990 | US4935785 Electrophotographic fuser roll and fusing process |
06/19/1990 | US4935784 Developing apparatus using microcapsule developing agent and method thereof |
06/19/1990 | US4935783 Developer supply system |
06/19/1990 | US4935782 Image forming apparatus using a developer including invisible and colored particles |
06/19/1990 | US4935781 Image forming apparatus having color editing function |
06/19/1990 | US4935780 Document feeding apparatus and reproducing machine having document feeding apparatus |
06/19/1990 | US4935779 Single scan, multicolor imaging forming apparatus capable of adjusting the image density of each color |
06/19/1990 | US4935778 Electrophotographic image forming apparatus with fly wheel |
06/19/1990 | US4935776 Image forming apparatus |
06/19/1990 | US4935775 Automatic document feeder with an image area designating device for duplex copying |
06/19/1990 | US4935771 Copying apparatus having automatic document feeder and sorter |
06/19/1990 | US4935770 Inserting a yellow filter |
06/19/1990 | US4935754 Electrophoretic recording apparatus |
06/19/1990 | US4935325 Toner and image forming method using magnetic material with specific tap density and linseed oil absorption |
06/19/1990 | US4934930 Heat roller fixing device and image fixing method |
06/19/1990 | US4934686 Sheet feeding apparatus with a constant friction torque generating mechanism |
06/19/1990 | US4934685 Sheet feeder for two stacks of sheets |
06/19/1990 | US4934683 Automatic original conveying apparatus |
06/19/1990 | US4934681 Hybrid output duplex copying system |
06/19/1990 | US4934314 Developing apparatus provided with toner replenishing arrangement |
06/14/1990 | WO1990006520A2 Electrographic process for generating an electrical image signal |
06/13/1990 | EP0372952A2 Image forming apparatus |
06/13/1990 | EP0372943A2 Enhanced resolution electrophotographic-type imaging station |
06/13/1990 | EP0372813A2 Image forming apparatus |
06/13/1990 | EP0372764A2 Liquid electrophotographic toners |
06/13/1990 | EP0372558A2 An image fixing apparatus |
06/13/1990 | EP0372518A2 Fixing apparatus |
06/13/1990 | EP0372516A2 Rotary member for fixing |
06/13/1990 | EP0372515A1 Device for continuously mixing powder and process for producing toner for developing electrostatic image |
06/13/1990 | EP0372479A1 An image fixing apparatus |
06/13/1990 | EP0372467A2 Electronic blackboard having image display function |
06/13/1990 | EP0372447A1 Illumination correction device for document scanner |
06/13/1990 | EP0372401A2 Reserving type original feeding apparatus |
06/13/1990 | EP0372390A2 Method of and apparatus for establishing reference point on gradation correction curve |
06/13/1990 | EP0372294A1 Paper feeding device |
06/13/1990 | EP0371991A1 Liquid toner recycling system and method |
06/13/1990 | EP0232323B1 Apparatus for producing and stacking information copies |
06/13/1990 | CN1043007A Developer system for reproduction and printing machines |
06/13/1990 | CN1008405B Developer system for reproduction and printing machines |
06/12/1990 | US4933926 Image forming medium, method and apparatus |
06/12/1990 | US4933778 Calibration of platen registration edges in copiers |
06/12/1990 | US4933772 Electrophotographic printer with improved timing arrangements |
06/12/1990 | US4933727 Color recording apparatus |
06/12/1990 | US4933726 Copy paper discharge rollers for copying machine |
06/12/1990 | US4933725 Image duplicating apparatus with locking means |
06/12/1990 | US4933724 Fixing device for electrophotography |
06/12/1990 | US4933723 Resin coated transfer guide for electrophotographic apparatus |
06/12/1990 | US4933722 Optical text reading apparatus |
06/12/1990 | US4933721 Image forming apparatus with preconditioning exposure selectively forming a multi-color and mono-color image |
06/12/1990 | US4933720 Paper size selecting device in a recording apparatus |
06/12/1990 | US4933719 Image forming apparatus |
06/12/1990 | US4933718 Electrostatographic printing apparatus with imaging member installation detection |
06/12/1990 | US4933708 Image recording apparatus using microcapsules to form a color image |
06/12/1990 | US4933689 Method and apparatus for print image enhancement |
06/12/1990 | US4933254 Photographic development |
06/12/1990 | US4933250 Magenta color toner for developing latent electrostatic images in color electrophotography |
06/12/1990 | US4932798 Apparatus for recording image information on both sides of recording sheets |
06/12/1990 | US4932644 Sheet feeding process |
06/12/1990 | US4932356 Toner control device |
06/12/1990 | US4932355 Method for removing a developer mix from a developing station |
06/06/1990 | EP0371842A1 Device for recycling solid particles of a developer, which are separated from a transporting gas flux, into an open reservoir |
06/06/1990 | EP0371765A2 Document reproduction machine having book edge copying capability |
06/06/1990 | EP0371764A2 Simulated color imaging using only two different colorants/toners |
06/06/1990 | EP0371758A2 Color image-forming machine |
06/06/1990 | EP0371689A2 Opening-closing mechanism for automatic document feeder |
06/06/1990 | EP0371688A2 Automatic document feeder |
06/06/1990 | EP0371671A2 Display device in image forming apparatus |
06/06/1990 | EP0371520A2 Vessel for developer |
06/06/1990 | EP0371505A2 Linear driving apparatus |
06/06/1990 | EP0371502A2 Method of controlling driving of conveyor means in automatic document conveying device |
06/06/1990 | EP0371473A2 Linear driving arrangement for use in a copying apparatus |