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)
10/1983
10/04/1983CA1154817A1 Method and device for controlling toner concentration of dry developing agent used in electrophotographic apparatus
10/04/1983CA1154798A1 Stepper motor drive system in computer fanfold reproduction
10/04/1983CA1154584A1 Cross-mixing system
09/1983
09/27/1983US4406537 Reproduction system with a variable magnifying function
09/27/1983US4406536 Developing device
09/27/1983US4406535 Development apparatus
09/27/1983US4406448 Paper cassette
09/27/1983CA1154497A2 Table top copy machine
09/27/1983CA1154496A1 Apparatus and method for making lithographic printing plates
09/27/1983CA1154495A1 Modular electrophotographic copying machine
09/21/1983EP0089224A2 Conductive charge/discharge device
09/21/1983EP0089222A2 Apparatus for supporting a belt
09/21/1983EP0089221A1 Electrographic method of forming conductive circuit patterns and circuit boards formed thereby
09/21/1983EP0089176A2 Tubular incandescent lamp
09/21/1983EP0089080A1 Sheet-holding apparatus
09/20/1983US4405226 Developing material supplying control device for electrostatic copying apparatus
09/20/1983US4405225 Collator
09/20/1983US4405224 Electrophotographic apparatus having means for removing undesired charge concentrated on an edge portion of a photosensitive member
09/20/1983US4405123 Automatic paper sheet feeding device for copying machine
09/20/1983CA1154145A1 Magnification/demagnification apparatus and method
09/15/1983WO1983003149A1 Magnetic brush apparatus for developing electrostatic images
09/15/1983WO1983003148A1 Image transfer apparatus with sheet handling device for electrographic copier
09/14/1983EP0088598A1 Xerographic envelope printing
09/14/1983EP0088555A1 Dot matrix printing method and printer therefor
09/13/1983US4404573 Electrostatic ink jet system
09/13/1983US4404570 Laser recorder
09/13/1983US4403950 Fixing device
09/13/1983US4403856 Office copier with articulated hinge cover
09/13/1983US4403853 Slit exposure device
09/13/1983US4403851 Electrostatic copying machine comprising improved arrangement of operating units
09/13/1983US4403850 Copying device having plural exposure modes
09/13/1983US4403849 Electrostatic copying device
09/13/1983US4403848 Electronic color printing system
09/13/1983US4403847 Electrographic transfer apparatus
09/13/1983US4403771 Copying apparatus with slidably attached sorter bin
09/13/1983CA1153791A1 Flash exposure system
09/13/1983CA1153790A1 Copy contrast and density control
09/13/1983CA1153596A1 Lens array
09/13/1983CA1153544A1 Development system
09/07/1983EP0087970A2 Linear modulators
09/07/1983EP0087912A2 Recording apparatus
09/07/1983EP0087844A2 Grid structure for x-ray apparatus
09/07/1983EP0087840A1 Electrophotographic copying machine
09/06/1983USRE31371 Developing system
09/06/1983US4403257 Halftone detection and delineation
09/06/1983US4402599 Scanning surface cleaning method of electrostatic recording apparatus
09/06/1983US4402598 Exposure control apparatus
09/06/1983US4402595 Scanning type image formation apparatus
09/06/1983US4402594 Fire extinguishing device for electrophotocopier
09/06/1983US4402593 Grounding device for moving photoconductor web
09/06/1983US4402592 Mechanism for transporting printing plates
09/06/1983US4402591 Electrophotographic apparatus
09/06/1983US4402498 Copying machine using sheet cassette
09/06/1983CA1153419A1 Electrostatic copying apparatus
09/06/1983CA1153418A1 Sheet distribution method and apparatus
08/1983
08/31/1983EP0087230A1 Sheet corner registration apparatus
08/31/1983EP0087074A2 Method and device for the development of a latent electrostatic image induced on a recording medium
08/31/1983EP0086907A2 Recording apparatus
08/30/1983US4402000 Electrographic recording method and apparatus with control of toner quantity at recording region
08/30/1983US4401999 Electrostatic high voltage drive circuit using diodes
08/30/1983US4401740 Electrographic development process
08/30/1983US4401385 Image forming apparatus incorporating therein ozone filtering mechanism
08/30/1983US4401383 Transfer device for use in retention type electrophotographic copying machine
08/30/1983US4401382 Image transfer type copying machine
08/30/1983CA1153054A1 Jet drop copying system
08/24/1983EP0086683A1 Device for the application of solid particles on the recording support of a printing machine
08/24/1983EP0086594A2 Apparatus for sensing electrostatically charged particles
08/24/1983EP0086516A1 Xerographic copying apparatus
08/24/1983EP0086497A1 Toning system for electrostatic imaging apparatus
08/24/1983EP0086455A2 Developing apparatus
08/24/1983EP0086346A1 Optical copying apparatus
08/23/1983US4400613 Temperature controller for a fusing roller
08/23/1983US4400083 Electrostatic printer drum improvements
08/23/1983US4400079 Injection roller developer for electrophotographic copier and biasing system therefor
08/23/1983US4400078 Electrophotographic copying apparatus and subsystems therefor
08/23/1983US4400077 Photosensitive drum for electrostatic copying apparatus
08/23/1983US4399933 Toner dispensing apparatus
08/23/1983EP0093113A4 Magnetic toner transfer method and apparatus.
08/23/1983CA1152609A1 Method and apparatus for clearing jams in copiers
08/23/1983CA1152555A1 Variable output power supply for flash unit
08/23/1983CA1152539A1 Duplexing in computer fanfold reproduction
08/23/1983CA1152443A1 Compact sorter
08/18/1983WO1983002866A1 Improvements in or relating to light detecting and measuring devices
08/17/1983EP0085975A2 History information providing device for printers
08/17/1983EP0085950A1 Temperature control device for fixing heat source of copying machine
08/17/1983EP0085862A1 Device for bringing sheets into a flat position
08/16/1983US4399431 Alarm or warning device for signaling left-behind master or original
08/16/1983US4398819 Combination scroll and marquee display
08/16/1983US4398818 Liquid toner fountain for the development of electrostatic images
08/16/1983US4398817 Magnetic developer apparatus for applying two different colored toners with the same applicator
08/16/1983US4398816 Electrophotographic copying printer
08/16/1983US4398497 Liquid electrophotographic toner applicator
08/16/1983US4398496 Multi-roll development system
08/16/1983CA1152144A1 Graphic forms overlay apparatus
08/16/1983CA1151932A1 Developing apparatus including a toner particle with magnetic and non-magnetic portions
08/16/1983CA1151917A1 Multiple magnification optical assembly
08/10/1983EP0085540A2 Charge transfer imaging process
08/10/1983EP0085538A1 Reproduction machine with display
08/10/1983EP0085519A2 Method of preventing toner from scattering in an electrostatic copying machine
08/10/1983EP0085503A1 Electrostatographic development process
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