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