Patents for G03G 15 - Apparatus for electrographic processes using a charge pattern (115,618)
01/1987
01/20/1987US4638281 Magnetic roll for copy machines and method for manufacturing same
01/20/1987US4637974 Xerographic copying on a transparent sheet
01/20/1987US4637709 Apparatus for generating an image from within a sheet-like member
01/20/1987US4637708 One-component copier toner with electric field transfer
01/20/1987US4637707 Supplementary data copying method and original picture image recorder having supplementary data display means
01/20/1987US4637706 Developer thin layer forming apparatus
01/20/1987US4637601 Cassette for a sheet feed device
01/20/1987US4637581 Four point support for copiers and the like
01/20/1987US4637340 Developer metering structure
01/15/1987WO1987000300A1 Apparatus for stabilizing a laser beam
01/14/1987EP0208340A2 Card operated copying machine
01/14/1987EP0208324A2 Apparatus for producing tabs
01/14/1987EP0208243A1 Copying machine comprising cleaning device and disposable developer box for copying machine
01/14/1987EP0208166A1 Magnetic brush apparatus for developing electrostatic images
01/14/1987EP0090032B1 Electrostatic printer drum improvements
01/13/1987USRE32330 Method of maintaining the correct conditions of an electrophotographically duplicated image
01/13/1987US4636868 Copiers
01/13/1987US4636815 Electrostatic recording apparatus
01/13/1987US4636787 Image display apparatus
01/13/1987US4636697 Copying apparatus equipped with brushless DC motor
01/13/1987US4636640 Corona discharge electrode assembly
01/13/1987US4636449 Making electrostatic printing rolls by magnetography
01/13/1987US4636063 Automatic exposure adjusting device
01/13/1987US4636060 Electrostatic copying method including compensation for photoconductor fatigue and dark recovery
01/13/1987US4636059 Microfilm reader and printer
01/13/1987US4636057 Electrostatic copying apparatus
01/13/1987US4635916 Dual-mode copier document feeder and computer forms web restacker
01/07/1987EP0207711A1 Double dual rate precession scan system
01/07/1987EP0207710A1 Document registration system
01/07/1987EP0207554A1 Method of and device for determining a measure of the surface potential of a medium charged by means of a corona charging device
01/07/1987EP0207425A2 Sheet-registration and feeding apparatus
01/07/1987EP0207273A1 A cooling device for a light source in a copying machine
01/07/1987EP0207137A1 Apparatus and method for forming reproductions with desired margin areas.
01/06/1987US4635129 Image scanning apparatus
01/06/1987US4635074 Electrographic stylus recording apparatus
01/06/1987US4635010 Portable electrophotographic copy machine
01/06/1987US4634823 Unit-type operating apparatus
01/06/1987US4634646 Method for the formation of electrophotographic images
01/06/1987US4634286 Electrographic development apparatus having a continuous coil ribbon blender
01/06/1987US4634267 Photocopier scanning apparatus and method for adjustment
01/06/1987US4634266 Electrophotographic copying machine with picture position selection function
01/06/1987US4634265 Automatic document feed type electrophotographic copying machine
01/06/1987US4634264 Photosensitive member of recording apparatus
01/06/1987US4634263 Original document feeding arrangement
01/06/1987US4634262 Toner image fixing control process and apparatus in electrostatic copying machine
01/06/1987US4634260 Image forming apparatus
01/06/1987US4634259 Apparatus for maintaining distinct edges between two colors in a two-color image forming device
01/06/1987US4634258 Color copying machine with copy number counting device for individual color printing
01/06/1987US4634257 Electrostatic printing method
01/06/1987US4634256 Picture taking assembly for copier apparatus
01/06/1987US4634252 Development installation and storage device for electrostatic printer using a liquid developer
01/06/1987US4634025 Hopper mounting arrangement for an automatic toning apparatus
01/06/1987US4633808 Developing process for electrophotography using a two-component developer
01/06/1987US4633807 Electrographic development station with improved developer mixer and skive
01/06/1987US4633805 Release agent applicator for copying machine
01/06/1987CA1216321A1 Magnetic brush developer apparatus and method
01/06/1987CA1216153A1 Providing patterns
01/02/1987DE3522829A1 Vacuum clamping plate with automatic format adaptation
12/1986
12/31/1986WO1986007643A1 Compact electrographic reproduction apparatus
12/31/1986CN85105105A Marking head for fluid jet assisted ion projection imaging systems
12/31/1986CN85105022A Electrohotographic recorder controller
12/30/1986US4633405 Copying machine with automatic resetting control features
12/30/1986US4633080 Document scanner having an improved book support assembly
12/30/1986US4632855 Polysilazane protective coating
12/30/1986US4632539 Air-cooled apparatus
12/30/1986US4632538 Video terminal and printer
12/30/1986US4632537 Electrophotographic apparatus
12/30/1986US4632536 Copying apparatus and an optical assembly usable therewith
12/30/1986US4632535 Developing device
12/30/1986US4632534 Developing apparatus
12/30/1986US4632533 Off-set nip roll decurler
12/30/1986US4632522 Optical system of variable magnification and a method for varying magnification of the same
12/30/1986US4632429 Method of rendering documents resistant to photocopying and anti-copying paper therefor
12/30/1986US4632377 Bottom sheet separator-feeder
12/30/1986US4632054 Development system
12/30/1986US4631798 Method of producing a release agent applicator
12/30/1986EP0206933A2 Reversal image development type electrophotographic printing system
12/30/1986EP0206736A2 Conductive pyrolyzed dielectrics and articles made therefrom
12/30/1986EP0206602A1 Electrostatic copying machine
12/30/1986EP0206379A1 Contact fixing device
12/30/1986EP0206373A1 Image forming process
12/30/1986EP0206177A1 Method for producing a toner-fixer roll
12/30/1986EP0205669A1 Electric heating circuit
12/30/1986CA1216018A2 Electrostatic printing apparatus and method
12/30/1986CA1216011A1 Alternative feeding document recirculation
12/23/1986US4631559 Image forming method
12/23/1986US4630921 Combined printer-copier apparatus
12/23/1986US4630919 Printing apparatus
12/23/1986US4630918 Image compensating method in a copying machine
12/17/1986EP0205178A2 Developing device
12/17/1986EP0205138A2 Color electrophotography process
12/17/1986EP0204774A1 Method of and means for developing electrophotographic images
12/17/1986EP0104203B1 Image transfer apparatus with sheet handling device for elctrographic copier
12/16/1986US4630129 Image output apparatus for printing an image and comparing image with original
12/16/1986US4630128 Color image forming apparatus with interruption control
12/16/1986US4630127 Character and picture information reading apparatus
12/16/1986US4629674 Stabilization of surface potential by direct current corona discharge
12/16/1986US4629669 Method of forming superimposed color images
12/16/1986US4629315 Device for positioning originals in sheet form
12/16/1986US4629314 Copying apparatus having variable magnification operation memory function