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)
07/1985
07/09/1985US4527509 Dielectric film processor
07/04/1985WO1985002920A1 Magnetically attractable developer material transport apparatus
07/03/1985EP0147341A2 Method for electrophotographic reproduction with reverse development on a conductor basis by means of a magnetic monocomponent development powder, and device using this method
07/03/1985EP0147206A2 Segmented coronode scorotron
07/03/1985EP0147157A1 Electro photographic copier
07/03/1985EP0147142A2 Dual fastening device with position control
07/03/1985EP0147141A2 Very high speed duplicator with finishing function
07/03/1985EP0147140A2 Very high speed duplicator with finishing function
07/03/1985EP0146980A1 Process for forming fixed images
07/03/1985EP0146945A2 Electrographic apparatus
07/03/1985EP0146825A2 Electrostatic dust repeller for electrophotographic apparatus
07/02/1985US4527177 Ion projection printer with virtual back electrode
07/02/1985US4527169 Toner transfer apparatus with slip action
07/02/1985US4527093 Exposure amount control device for a copying machine
07/02/1985US4526850 Diode bias electrophotographic toning system and method
07/02/1985US4526848 Electrophotographic process with a.c. charger producing greater positive charge
07/02/1985US4526464 Reproducing apparatus
07/02/1985US4526461 Copying machine control system
07/02/1985US4526460 Device for pressure fusing images on to paper in electrostatic copies
07/02/1985US4526459 Multi-roll fusing system
07/02/1985US4526361 Document turnover device
07/02/1985US4526309 Compatible copying of computer form documents
07/02/1985US4526130 Developing apparatus
06/1985
06/26/1985EP0146088A1 Developing head of electrophotographic system
06/26/1985EP0146012A2 Faced foam insulation board and froth-foaming method for making same
06/26/1985EP0145890A1 Laser beam printer control apparatus
06/25/1985US4525441 Corona charging
06/25/1985US4525064 Copier apparatus
06/25/1985US4525063 Paper holder for a photocopying machine
06/25/1985US4525059 Exposure apparatus to guide reflected light from a subject to a photosensitive body
06/25/1985US4525058 Image fixing device
06/25/1985US4525057 Guide path for transfer of sheets to a fixing apparatus of a copying machine
06/25/1985US4525056 Developing means for electrostatic latent image
06/25/1985CA1189544A1 Conveying device for sheets
06/20/1985WO1985002678A1 Method of and means for testing flow properties of magnetic toners
06/19/1985EP0145300A1 Electrostatic development apparatus
06/19/1985EP0145045A2 Semi automatic document feeder
06/19/1985EP0144911A2 Arrangement for detachably receiving cassette containing photosensitive film sheets
06/19/1985EP0144824A2 Method and apparatus for maintaining a desired margin on sheets of print receiving material in a printing machine
06/18/1985US4524395 Multi-mode reproduction apparatus
06/18/1985US4524394 Image formation system
06/18/1985US4524371 Modulation structure for fluid jet assisted ion projection printing apparatus
06/18/1985US4524370 Electrostatic recording apparatus
06/18/1985US4524120 Adding uncharged replenishment toner particles to charged developer comprising carrier and toner particles
06/18/1985US4524117 Electrophotographic method for the formation of two-colored images
06/18/1985US4524116 Electrophotographic contact printing and master therefore
06/18/1985US4524088 Method and apparatus for controlling the thickness of developer on an applicator, such as a magnetic brush, in electrostatic reproduction
06/18/1985US4523840 Device for bringing sheets into flat position
06/18/1985US4523838 Image forming apparatus
06/18/1985US4523837 Document handling system to enable large document copying on a standard office copier
06/18/1985US4523836 Continuous copier
06/18/1985US4523834 In a xerographic copying machine
06/18/1985US4523833 For developing a latent image recorded on an image receiving member
06/18/1985US4523832 Sheet transport
06/18/1985US4523831 Copying apparatus with openable upper housing
06/18/1985US4523777 Identification card and a method of producing same
06/18/1985US4523754 Paper guiding device in a copying apparatus
06/18/1985US4523752 Original document inserting device for copying apparatus
06/18/1985US4523750 Copier/duplicator with finishing apparatus having low staple control features
06/18/1985US4523615 Method and apparatus for in situ purging a xerographic developer
06/18/1985CA1189131A1 Image transfer material separation and transportation apparatus for electrophotographic copying apparatus
06/18/1985CA1189130A1 Scanning system for copier
06/18/1985CA1189129A1 Scanning optics copier with variable pitch copy capability
06/18/1985CA1189128A1 Capacitive electrostatic stylus writing with counter electrodes
06/12/1985EP0144236A2 Corona generating device
06/12/1985EP0144056A2 An engagement mechanism for a developing means in an electrostatic copying machine
06/12/1985EP0103583B1 Improvements in or relating to light detecting and measuring devices
06/12/1985EP0035573B1 Toner particles for electrophotography and electrophotographic process utilizing same
06/11/1985US4523299 Message transmitting system for reproduction machines and copiers
06/11/1985US4523229 Shading correction device
06/11/1985US4522866 Elastomer member with non-tacky surface treating layer and method of manufacturing same
06/11/1985US4522486 Method and apparatus for adaptive collation
06/11/1985US4522485 Copying machine including a dielectric covered metal reflective device
06/11/1985US4522484 Electrophotographic apparatus for increasing the apparent sensitivity of photoconductors
06/11/1985US4522482 Information storage and retrieval
06/11/1985US4522481 Toner supply control method for electrophotographic copier
06/11/1985US4522429 Method of rendering documents resistant to photocopying, and anti-copying paper and ink therefor
06/11/1985CA1188505A1 Toner feeder system
06/06/1985WO1985002471A1 Electrostatic dust repeller for electrophotographic apparatus
06/06/1985WO1985002470A1 Method of forming image
06/05/1985EP0143232A1 Applicator for releasing agent
06/04/1985US4521847 Control system job recovery after a malfunction
06/04/1985US4521808 Electrostatic imaging apparatus
06/04/1985US4521792 Ion projection printer with charge compensation source
06/04/1985US4521791 Ion projection printer with pseudo-continuous back electrode
06/04/1985US4521502 Color recording method
06/04/1985US4521184 Pressure fixing device
06/04/1985US4521103 Electrophotographic reversal developing apparatus with control of developing electrode bias potential
06/04/1985US4521101 Liquid developing apparatus for electrophotography
06/04/1985US4521100 Variable magnification image forming apparatus
06/04/1985US4521098 Developing device
06/04/1985US4521097 Electrophotographic image recording method and apparatus
06/04/1985US4521095 Electrophotographic copying apparatus including specific toner fusing roll and its method of use
06/04/1985US4520977 Apparatus for mounting a document feeder on a copier/duplicator
05/1985
05/29/1985EP0142917A2 Electrophotographic copier
05/29/1985EP0142743A1 Photographic-copying apparatus
05/29/1985EP0142579A1 Recording apparatus
05/29/1985EP0142550A1 Apparatus and method for electrophotographically producing copy having continuous-tone and other content.
05/28/1985US4520354 Display device for copying apparatus
05/28/1985US4519703 Document reproduction device utilizing a selective color illuminator
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