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)
12/1983
12/27/1983CA1159507A1 Electrostatic imaging
12/27/1983CA1159506A1 Job recovery in a reproduction machine
12/27/1983CA1159505A1 Low-profile electrophotographic copying machine
12/27/1983CA1159418A1 Sheet receiving and storage apparatus
12/21/1983EP0096472A2 Apparatus recording information on an electrically conductive backed medium
12/21/1983EP0096450A1 Electrophotographic copier
12/21/1983EP0096341A2 Laser printer optical system
12/21/1983EP0096261A2 A process kit and an image forming apparatus using the same
12/21/1983EP0096206A2 Stepless gear
12/21/1983EP0096185A1 Apparatus and method for predicting failure in a copier's paper path
12/20/1983US4422099 Optical communication on variable power beam
12/20/1983US4421405 Multiple mode copying apparatus
12/20/1983US4421404 Job recovery technique in a document copier machine
12/20/1983US4421402 Electrophotographic device
12/20/1983US4421401 Image recording apparatus
12/20/1983US4421400 Folded beam adjustment
12/20/1983US4421387 Extended thin film light modulator/scanner
12/20/1983US4421306 Document feeder with improved vacuum system
12/20/1983US4421264 Variable thickness set compensation for stapler
12/20/1983US4421228 Periodically aligning an endless web
12/20/1983US4421057 Developing apparatus for electrostatic image
12/20/1983CA1159108A1 Coated open-celled microporous membranes
12/13/1983US4420761 Scanning recording apparatus
12/13/1983US4420680 Heat roller type fixing means
12/13/1983US4420248 Variable magnification copying device
12/13/1983US4420247 Computer control means for an electrostatic recording apparatus
12/13/1983US4420246 Multiple reproduction apparatus
12/13/1983US4420245 Electrophotographic copier having movable optical elements for changing the magnification of an original document
12/13/1983US4420243 Hold-down arrangement for copy sheet pick-off system
12/13/1983US4420242 Magnetic brush developing and cleaning process
12/13/1983US4420152 Apparatus for peeling or separating a record paper from a photosensitive drum of an electrophotographic copying machine
12/13/1983US4420149 Automatic original document feeder for electrophotographic copier
12/13/1983US4419960 Developing agent density controlling device
12/13/1983US4419959 Magnetic toner retainer means
12/13/1983CA1158708A1 Scanning method and apparatus applicable to variable magnification copying machines
12/08/1983WO1983004215A1 Sheet-binding apparatus
12/07/1983EP0095927A2 Magnetic device
12/07/1983EP0095863A1 Improvements relating to toning
12/07/1983EP0095701A1 Exposure device
12/07/1983EP0095592A2 Electrode-comb manufacturing device
12/06/1983US4419680 Electrographic printing system
12/06/1983US4419676 Method of recording signals on bands by means of laser beams and apparatus for carrying out the method
12/06/1983US4419010 Method for controlling the toner concentration in an electrostatic copier
12/06/1983US4419008 Photographic color printer
12/06/1983US4419007 Multi-mode document handling system
12/06/1983US4419006 Image processing apparatus utilizing digital display means
12/06/1983US4419005 Imaging method and apparatus
12/06/1983US4419004 Method and apparatus for making transparencies electrostatically
12/06/1983US4419003 Recording sheet conveying system of pressure fixing type electrostatic printing apparatus
12/06/1983US4418643 Feed hopper assembly for particulate material and printer
12/06/1983CA1158295A1 Guide apparatus for movable contact glass in electrophotographic copying machine
12/06/1983CA1158268A1 Sheet separator
11/1983
11/30/1983EP0095344A1 Method of monitoring electrostatic charge deposition
11/30/1983EP0095221A1 Apparatus for transferring xerographic images
11/30/1983EP0095220A1 Apparatus and process for transferring xerographic images
11/30/1983EP0095219A1 Apparatus for transferring electrophotographic images
11/30/1983EP0095217A2 Electrophotographic apparatus
11/29/1983US4418357 Toner transport system for electrographic imaging
11/29/1983US4417809 Pattern scanning device for copying machines
11/29/1983US4417806 Method for effecting registration for a copying apparatus
11/29/1983US4417805 Image synthesizing device
11/29/1983US4417804 High voltage comparator for photoreceptor voltage control
11/29/1983US4417803 Pressure fixing device
11/29/1983US4417802 Particle dispenser
11/29/1983US4417800 Image transfer material separation apparatus for electrophotographic copying machine
11/29/1983US4417544 Developing device
11/29/1983CA1157906A1 Copying machine with collating apparatus
11/29/1983CA1157710A1 Multiple transfer of tacky image areas using prolonged tack toners
11/24/1983WO1983004113A1 Electrophotographic liquid developing apparatus and method
11/24/1983WO1983004108A1 State of charge indicator
11/24/1983WO1983004092A1 System for forming an image on the surface of a plastic card
11/23/1983EP0094843A1 Radiation image recording and read-out method and apparatus
11/23/1983EP0094838A2 Compact optical scanning system
11/23/1983EP0094832A2 Improvements relating to electrophotography
11/23/1983EP0094830A1 Improvements relating to electrophotography
11/22/1983USRE31446 Manual or automatic camera and electronic flash for use therewith
11/22/1983US4417350 Counter control in electrophotographic copier
11/22/1983US4417281 Image magnification control mechanism for facsimile zoom lens
11/22/1983US4417260 Image scanning system
11/22/1983US4417148 Photodetector device for detecting the front and rear ends of a moving sheet
11/22/1983US4416535 Electrophotographic copying apparatus
11/22/1983US4416534 Apparatus and method for registering copy sheets in a variable pitch reproduction machine
11/22/1983US4416533 Nonimpact printer
11/22/1983US4416532 Latching and tensioning mechanism for closed-loop belt supporting capstan
11/22/1983US4416531 Electrophotographic copying apparatus and subsystems therefor
11/22/1983US4416530 Polarizing filters for enhancing contrast in xerographic copying machines
11/22/1983CA1157509A1 Component mounting apparatus useful for compact copiers
11/22/1983CA1157313A1 Device for transporting and positioning printing plates
11/16/1983EP0093839A1 Electrophotographic imaging apparatus and method
11/15/1983US4415947 Method and apparatus for electrostatically charging a dielectric layer
11/15/1983US4415915 Multilayer interleaved electrodes for multigate light valves
11/15/1983US4415913 Gray tone recorder
11/15/1983US4415800 Method and apparatus for monitoring and controlling heated fusers for copiers
11/15/1983US4415533 Process for treating exhaust gas from electrophotographic machine and apparatus thereof
11/15/1983US4415263 Electrophotographic copier apparatus
11/15/1983US4415261 An improved platen cover for a copying machine
11/15/1983US4415260 Duplicating system comprising electrophotographic copier and option device
11/15/1983US4415259 Variable magnification and reciprocal exposure copying method
11/15/1983US4415257 Pressure device for a web-like image-receiving material
11/15/1983US4415256 Apparatus for transferring images
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