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)
06/1981
06/02/1981CA1102399A1 Imaging system
06/02/1981CA1102398A1 Drive system for multi-mode reproducing apparatus
06/02/1981CA1102397A1 Electrostatic x-ray image recording device with mesh- base photocathode photoelectron discriminator means
06/02/1981CA1102396A1 Electric recording process
06/02/1981CA1102164A1 Image charge relaxation in electrophoretic displays
06/02/1981CA1102108A1 Apparatus for developing latent images
05/1981
05/27/1981EP0029323A2 Use of vinyl phenol polymer as colour developer for leuco pigment and colour developer composition and thermosensitive recording element comprising same
05/27/1981EP0029315A2 A collating device
05/27/1981EP0029109A2 Method of making multi-page documents in a copier-printer system
05/26/1981US4269594 Contact heat fusing apparatus
05/26/1981US4269504 Pickoff device for copying machine
05/26/1981US4269503 Toner cleaning apparatus
05/26/1981US4269502 Electrophotographic copying apparatus for copying manuscripts without interruptions
05/26/1981US4269500 Trouble detecting system for electrophotographic copying machine
05/26/1981US4269409 Original document transport mechanism for electrophotographic copying machines
05/26/1981US4269406 Document handler
05/26/1981US4269401 Method and apparatus for collating and stacking documents and for effecting a high density stack in a document receiving bin
05/26/1981US4268943 Elastic roller for image forming
05/26/1981CA1101921A1 Apparatus for the reversal of a hot roll in a fusing assembly
05/26/1981CA1101920A1 Copier for greater than standard length documents
05/20/1981EP0028919A1 Magnetic brush roll and developing or cleaning apparatus incorporating same
05/20/1981EP0028915A2 Press fixing type electrostatic recording material
05/20/1981EP0028845A1 Beam scanning copying apparatus
05/20/1981EP0028794A1 Arrangement for monitoring the functioning of a heating arrangement
05/20/1981EP0028680A1 Process of, and means for charging an imaging element in an electrophotographic machine
05/20/1981EP0028607A1 Sheet feeding apparatus
05/19/1981US4268868 Beam scanning type electronic copying apparatus
05/19/1981US4268867 Pixel clock for scanner
05/19/1981US4268750 Realtime radiation exposure monitor and control apparatus
05/19/1981US4268746 Document feed jam detector for a document reading apparatus
05/19/1981US4268597 Method, apparatus and compositions for liquid development of electrostatic images
05/19/1981US4268165 Apparatus and method for controlling the adjustment of optical elements in an electrophotographic apparatus
05/19/1981US4268164 Composite information recording apparatus and original position designating mechanism therefor
05/19/1981US4268163 Paper feeding device for a copying machine
05/19/1981US4268162 Electrographic copying apparatus
05/19/1981US4268161 Electrophotographic apparatus with corona discharge control
05/19/1981US4268160 Electrophotographic copying apparatus capable of reproducing electric signal image
05/19/1981US4268159 Electrographic copying apparatus
05/19/1981US4268158 Dry planographic printing apparatus
05/19/1981US4268157 Increasing number of copies
05/19/1981US4268027 Sheet feeding apparatus
05/19/1981US4268026 Sheet supply means for a reproducing apparatus
05/19/1981US4268022 Conforming document aligner
05/19/1981US4267797 Development system
05/19/1981US4267796 Apparatus for developing electrostatic latent image
05/19/1981CA1101484A1 Copy apparatus using chemical flashlamp
05/19/1981CA1101482A1 Electron-radiographic process and apparatus for carrying out the process
05/19/1981CA1101481A1 Imaging apparatus
05/19/1981CA1101480A1 Half-tone imaging with flying spot scanner system
05/19/1981CA1101362A1 Sorting apparatus and reproducing machine
05/19/1981CA1101351A1 Electronic typewriter having an electronic display
05/19/1981CA1101268A1 Process for magnetically transferring a powder image
05/13/1981EP0028537A1 Apparatus for developing a latent image and electrostatographic printing machine incorporating same
05/13/1981EP0028261A1 Improved photon detector
05/13/1981EP0028260A1 Apparatus for imaging objects
05/12/1981US4267556 Electrostatic transfer printing employing ion emitting print head
05/12/1981US4267511 Surface potentiometer
05/12/1981US4267450 Method of eliminating background residual charge in electrophotographic image reproduction and apparatus for carrying out said method
05/12/1981US4267248 Magnet-brush development process of electric pattern images
05/12/1981US4267245 Method of removing foreign materials from magnetic developers
05/12/1981US4267201 Magnetic brush development apparatus and method
05/12/1981US4266870 Electrostatographic apparatus comprising developing bias means
05/12/1981US4266869 Apparatus and method for making lithographic printing plates
05/12/1981US4266868 Multiple roll developing apparatus
05/12/1981US4266863 Device for forming graphics
05/12/1981US4266762 Sheet alignment and feeding apparatus
05/12/1981US4266503 Apparatus for forming a cloud of toner particles
05/12/1981US4266328 Developing roll for use in electrostatic developing apparatus employing magnetic particles
05/12/1981CA1101132A1 Method of and device for generating coded images by means of a multiple radiation source
05/12/1981CA1101131A1 Method of producing subtracted image radiographic records
05/12/1981CA1101130A1 Method and apparatus for making and developing ionographic images of x-rayed objects
05/12/1981CA1101049A1 Electrostatic copying machine
05/12/1981CA1101048A1 Error log for electrostatographic machines
05/12/1981CA1101047A1 Excessive magnetic developer displacement system
05/12/1981CA1101046A1 Excessive magnetic developer removal system
05/12/1981CA1100829A1 Heat fixing member for electrophotographic copiers
05/06/1981EP0028167A2 Method of indicating the cause of a malfunction in a reproduction machine
05/06/1981EP0028166A2 Method of job recovery in a reproduction machine and reproduction machine including job recovery means
05/06/1981EP0028165A1 An electrostatographic reproduction system
05/06/1981EP0028164A1 An electrostatographic reproduction system
05/06/1981EP0028163A1 An electrostatographic reproduction apparatus
05/06/1981EP0028134A1 Storage and record system for a large number of associated images
05/06/1981EP0028004A1 Magneto-fluidic recording apparatus
05/06/1981EP0027975A1 Heat-and-pressure fixing device
05/05/1981US4266294 Copy reproduction machine with controller self check system
05/05/1981US4266141 Toner developing ability measuring system for electrostatography
05/05/1981US4266115 Hot roll fusing device
05/05/1981US4265998 Electrophotographic photoreceptive background areas cleaned by backcharge process
05/05/1981US4265997 Optically sensing reflectance of brush
05/05/1981US4265996 Method of improving the electrical contact between the insulating image carrier and conductive support in electrographic recording processes
05/05/1981US4265989 Photosensitive member for electrophotography
05/05/1981US4265531 Electrophotography
05/05/1981US4265469 Protected document and method of making same
05/05/1981US4265445 Photocopier collator
05/05/1981US4265442 Cassette locking and alignment assembly
05/05/1981US4265441 Sheet dispensing device for use with copying machines, and a container for the stack of sheets
05/05/1981US4265440 Computer-controlled paper feeder
05/05/1981US4265198 Apparatus for fixing heat-fusible toner images formed on a web
05/05/1981US4265197 Developing method and apparatus using application of first and second alternating bias voltages for latent image end portions and tone gradation, respectively
05/05/1981US4265196 Toner applicator apparatus
1 ... 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 ... 1157