Patents
Sitemap › G03 - Photography; Cinematography; Analogous techniques using waves other than optical waves; Electrography; Holography › G03G - Electrography; Electrophotography; Magnetography › G03G 15 - Apparatus for electrographic processes using a charge pattern
Patents for G03G 15 - Apparatus for electrographic processes using a charge pattern (115,618)
06/1991
06/04/1991US5021836 Method and device for transferring two images to different sides of a receiving sheet
06/04/1991US5021835 Multicolor imaging apparatus with improved transfer means
06/04/1991US5021834 Wet-type image formation apparatus
06/04/1991US5021833 Copying machine with multiple light sources
06/04/1991US5021832 Electrophotographic copier having additional information recording function
06/04/1991US5021831 Filter for removing smoke and toner dust used in electrophotographic/electrostatic recording apparatus
06/04/1991US5021830 Electrostatic recording apparatus
06/04/1991US5021829 Multicolor image forming apparatus and transfer roller reindexing mechanism
06/04/1991US5021828 Copying apparatus having a consumable part
06/04/1991US5021827 Image forming process control method and apparatus
06/04/1991US5021826 Electrophotographic copying machine having a function of judging whether a copying operation can be performed responsive to a remainder amount of consumptive parts or materials
06/04/1991US5021824 Recording apparatus having a detachable recording material storing unit
06/04/1991US5021822 Image scanning apparatus having exposure lamp lighting on at improved timing
06/04/1991US5021810 Printing machine
06/04/1991US5021807 Apparatus for electrophotography representing half-tones
06/04/1991US5021318 Process for forming secure images
06/04/1991US5021313 Image reversal process
06/04/1991US5021312 Detecting optical density of image and controlling feed quantity in accordance
06/04/1991US5021109 Method of preparing a multilayered belt
06/04/1991US5021036 Seamless semiconductive belt
06/04/1991US5020788 Paper feeding device
06/04/1991US5020784 Method and apparatus for arranging papers
06/04/1991US5020697 Image recording apparatus having toner reservoir
06/04/1991US5020471 Developing unit
05/1991
05/30/1991WO1991007702A1 Image recording method, apparatus for said method and method of producing said apparatus
05/30/1991WO1991007701A1 Electrostatic information recording medium and electrostatic information recording/reproducing method
05/30/1991WO1991007441A1 Photo-setting resin composition and plastic-clad optical fibers produced therefrom
05/30/1991CA2029813A1 Corona charge system and apparatus for electrophotographic printing press
05/29/1991EP0429309A2 Biasing scheme for improving latitudes in the tri-level xerographic process
05/29/1991EP0429303A2 Image forming apparatus and roll paper cutting device therefor
05/29/1991EP0429227A2 Sheet guide apparatus
05/29/1991EP0429152A2 Developing unit
05/29/1991EP0429056A2 Centralized control system for terminal device
05/29/1991EP0429048A2 Facsimile device
05/29/1991EP0428900A2 Electrostatic recording apparatus
05/29/1991EP0428818A2 Copying apparatus
05/29/1991EP0428526A1 Method for xerographic printing of a textile material.
05/29/1991EP0250556B1 Multicolor electrophotographic reproduction apparatus and method for producing color accented copies
05/28/1991US5019873 Color tone adjustable image recording apparatus
05/28/1991US5019872 Continuous-form electrophotographic printer
05/28/1991US5019871 Apparatus for electrostatically absorbing an image supporting material on an image supporting carrying member based on the kind of material used
05/28/1991US5019870 Toner removal apparatus
05/28/1991US5019869 Toner fusing/finishing device for selecting alternatively the style of finishing on a glossy, matte, or textured print finish
05/28/1991US5019868 Developer electrode and reverse roller assembly for high speed electrophotographic printing device
05/28/1991US5019867 Image forming apparatus having a removable processing unit
05/28/1991US5019866 Pressurized screen assembly for exposure of a continuous tone image
05/28/1991US5019864 Electrophotographic film core device
05/28/1991US5019862 Heat control for photoreceptor
05/28/1991US5019861 Drive apparatus for a process cartridge of an image-forming apparatus
05/28/1991US5019859 Process control for highlight color with developer switching
05/28/1991US5019856 Image forming apparatus
05/28/1991US5019841 Printing apparatus and method
05/28/1991US5019796 Bar magnet for construction of a magnetic roller core
05/28/1991US5019693 Temperature control method and apparatus for fusing roller
05/28/1991US5019472 Method for duplicating press characteristic dot gain in electrostatic proofing systems
05/28/1991US5018806 Image forming apparatus
05/28/1991US5018805 Laser printer
05/28/1991US5018718 Sheet registration method and apparatus for calculation of delay time and sheet feed control thereby
05/28/1991US5018716 Sheet transporting apparatus with control means
05/28/1991US5018714 Original handling apparatus
05/28/1991US5018640 Multiple color printing method for metallic container and thin plate metal and printed matter
05/28/1991US5018560 Developer supplying structure for a developing device
05/23/1991DE4036976A1 Electrophotographic moisture reversal developer unit - operates without toner developer on reverse side of electrophotographic photoreceptor between guide and electrode
05/23/1991DE4034499A1 Heat fixing unit for printer or copier - has air outlets in preheating and cooling regions in underside of cooling chamber
05/22/1991EP0428372A2 Stapler apparatus
05/22/1991EP0428369A2 Printer with high frequency charge carrier generation
05/22/1991EP0428172A2 An image forming apparatus
05/22/1991EP0428147A2 Image forming method and apparatus
05/22/1991CN1051568A Thermoplastic inierpeneirating network structure and method of forming same
05/21/1991US5018143 Fault diagnosing and identification system for reproduction machines
05/21/1991US5018085 Color printing system usable for reproduction of computer-generated images
05/21/1991US5018054 Exposure device with filter
05/21/1991US5018045 Corona discharger for use in electrophotographic copying machine
05/21/1991US5017972 Elevator tray position control apparatus
05/21/1991US5017971 Exposure device for copying apparatus
05/21/1991US5017970 Fixing device with movable nip region for use in copiers
05/21/1991US5017969 Device having movable belt
05/21/1991US5017968 Liquid development apparatus having comb-like electrode
05/21/1991US5017967 Method and apparatus for forming images including a toner transporting member having an insulating layer
05/21/1991US5017966 Toner cartridge and image forming apparatus having the toner cartridge
05/21/1991US5017965 Charging member and electrophotographic apparatus using the same
05/21/1991US5017964 Corona charge system and apparatus for electrophotographic printing press
05/21/1991US5017963 Image input device providing background detection arrangement
05/21/1991US5017962 Image forming apparatus with process-cartridges
05/21/1991US5017961 Image forming apparatus with use of a laser beam
05/21/1991US5017850 Mobile member control apparatus
05/21/1991US5017432 Fuser member
05/21/1991US5016984 Liquid crystal motion picture projector with memory
05/21/1991US5016868 Automatic document transfer device
05/21/1991US5016867 Sheet stacking apparatus
05/21/1991US5016864 Apparatus for feeding sheet material
05/21/1991US5016833 Document roll-up system
05/21/1991US5016560 Device for image toner distribution on a developing device
05/16/1991WO1991006897A1 Multicolor image transfer method and apparatus
05/16/1991DE3937203A1 Electrophotographic laser printing process - using colourless toner with glass transition temp. below 100 deg. C
05/15/1991EP0427506A2 Electronic color printing system
05/15/1991EP0427499A2 Belt type image forming unit
05/15/1991EP0427471A2 Electrophotographic copying machine
05/15/1991EP0427380A2 Method of producing halftone images
05/15/1991EP0427279A2 Image forming apparatus with book bind device
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