Patents
Sitemap › G03 - Photography; Cinematography; Analogous techniques using waves other than optical waves; Electrography; Holography › G03G - Electrography; Electrophotography; Magnetography › G03G 21 - Arrangements not provided for by groups , e.g. cleaning, elimination of residual charge
Patents for G03G 21 - Arrangements not provided for by groups , e.g. cleaning, elimination of residual charge (34,276)
11/1984
11/27/1984US4484734 Copy paper feeding device for a copying apparatus
11/27/1984CA1178643A1 Process and apparatus for transferring developed electrostatic images to a carrier sheet, improved carrier sheet for use in the process and method of making the same
11/22/1984WO1984004607A1 Improved electrophotographic apparatus and method for producing continuous-tone copy
11/22/1984WO1984004606A1 Apparatus and method for electrophotographically producing copy having continuous-tone and other content
11/22/1984WO1984004605A1 Apparatus and method for electrophotographically producing color copy continuous-tone originals and other content of selective color
11/21/1984EP0125497A2 Electrostatic copying apparatus
11/20/1984US4483611 Magnetic cleaning device
11/20/1984US4483610 Method of cleaning a transfer material supporting member in an image forming apparatus
11/20/1984US4483606 Toner scattering prevention device
11/20/1984CA1178322A1 Printing machine with static elimination system
11/20/1984CA1178233A1 Belt alignment system
11/14/1984EP0125082A1 Electrostatographic reproducing apparatus
11/13/1984US4482244 Magnetic brush cleaning device
11/13/1984US4482243 Image formation apparatus
11/13/1984US4482242 Device and method for stripping developer liquid from a photoconductive surface
11/13/1984US4482241 Device and method for stripping developer from a photoconductive surface
11/07/1984EP0124375A2 Electrostatographic apparatus
11/07/1984EP0020768B1 Electrophotographic copying machine
11/06/1984US4481275 Method of preventing toner from scattering in an electrostatic copying machine
11/06/1984US4480905 Cleaning and developing unit
11/06/1984CA1177519A1 High voltage comparator for photoreceptor voltage control
11/06/1984CA1177411A1 Exposure and contrast determination by prescanning in electronic photoprinting systems
10/1984
10/30/1984US4480195 Automatic shut-off device of a recording apparatus
10/30/1984US4479709 Cleaning method for electrophotography and means therefor
10/24/1984EP0122729A1 Copy machine with document dependent control
10/23/1984US4478509 Control system and interface for electrostatographic machines
10/23/1984US4478507 Mount for rotary drum in an electrostatic copying apparatus
10/23/1984US4478506 Electrostatic copying apparatus having improved copy sheet transfer arrangement
10/23/1984US4478405 Position control for recycled originals in a copying apparatus
10/23/1984CA1176693A1 Electrophotographic printing machine
10/17/1984EP0121933A1 Shell-type electrostatic copying apparatus
10/17/1984EP0121879A1 Cleaning device for use with transfer type electrostatic copying machines
10/16/1984US4477901 Directive diagnostics
10/16/1984US4477181 Device for the repetitive copying of originals in a copier
10/16/1984US4477180 In an electrophotographic machine
10/16/1984US4477179 Image forming apparatus with adjustable light source
10/16/1984US4477176 Apparatus for producing multiple image simplex and duplex copies in a single pass
10/16/1984US4477174 Developing device
10/16/1984US4477068 Automatic duplex document feeder
10/11/1984WO1984003972A1 An electrophotographic information printer
10/10/1984EP0121332A2 Controllers
10/09/1984US4475807 Cleaning apparatus for xerographic printing apparatus
10/09/1984US4475806 Copier display panel
10/09/1984US4475805 Electrophotographic copying apparatus
10/03/1984EP0120281A1 Developer mix shipping container and method for renewing developer mix in a xerographic station
10/02/1984US4475221 Copying machine managing apparatus
10/02/1984US4475156 Virtual machine control
10/02/1984US4474455 Electrophotographic copying process and apparatus having means for monitoring a fatigue recovery time
09/1984
09/26/1984EP0119344A1 Method of rendering documents resistant to photocopying and anticopying paper therefor
09/25/1984US4473220 Copying machine with staple removing and collecting appliance
09/25/1984CA1175077A1 Document handling unit
09/18/1984US4472050 Copying apparatus for producing combined copies
09/18/1984US4472049 Image forming apparatus
09/18/1984US4472047 Apparatus and method for electrophotographically producing copy having continuous-tone and other content
09/18/1984US4471694 Printing process for transferring fixed image from master
09/18/1984CA1174724A1 Electrostatic copying apparatus
09/11/1984US4471234 For indicating the existing operating condition of a device
09/11/1984US4470694 Magnetic brush cleaning device for image forming apparatus
09/11/1984US4470693 Self-cleaning xerographic apparatus
09/11/1984US4470692 Automatically controlled printing and copying apparatus
09/11/1984US4470691 Illuminating means for electrophotographic copier apparatus
09/11/1984US4470690 Removably mounted electrophotographic belt assembly for electrophotographic copier
09/04/1984US4469436 Recirculation document handling methods and apparatus and copiers incorporating such apparatus
09/04/1984US4469435 Combination charging/cleaning arrangement for copier
09/04/1984US4469434 Cleaning apparatus for electrophotography
09/04/1984US4469432 Electrostatic copying apparatus with cooling system
09/04/1984US4469431 Electrostatic copying apparatus with sheet feeder
09/04/1984US4469323 Collator with collate mode, non-collate mode and job separation mode
09/04/1984CA1173890A1 Control of copier start-up operations
08/1984
08/29/1984EP0116976A2 Electrostatic copying apparatus comprising pivotably movable shells
08/28/1984US4468111 Developing device for use on an electrostatic copying apparatus
08/21/1984US4466813 Adsorber in gas flow path
08/21/1984US4466379 Magnetic brush apparatus
08/21/1984CA1173099A1 Control circuit in an electrophotographic copying machine
08/14/1984US4465363 Cleaning device for cleaning the peripheral surface of a photoconductive drum in an electrophotographic copier
08/14/1984US4465362 For removing residual on a surface of an image bearing member
08/14/1984US4465360 Electrophotographic copying machine
08/14/1984US4465271 Original conveying device for a copying machine
08/08/1984EP0115315A1 Power transmitting device in a copying machine
08/08/1984EP0114966A1 Maximum throughput duplexing system for xerographic machines
08/08/1984EP0038825B1 Centrifugal clamp on a high speed print drum
08/07/1984US4464672 Electrographic recording apparatus
08/07/1984US4464044 Image forming apparatus
08/07/1984CA1172306A1 Booklet preparation utilizing an electrophotographic apparatus
08/07/1984CA1172305A1 Method and apparatus for copier quality monitoring and control
07/1984
07/31/1984US4462862 Method for generating substrates of electrophotographic photosensitive materials
07/31/1984US4462681 Apparatus for producing duplex copies from duplex originals
07/31/1984US4462679 Electronic copying machine
07/31/1984US4462676 Skew control apparatus for endless-belt-shaped recording material
07/24/1984US4461564 Electrophotographic copying apparatus with variable magnification
07/17/1984US4460270 Automatic exposure control for a photocopying machine
07/11/1984EP0113164A2 Reproduction machine having control crash diagnostics
07/10/1984US4459016 Projection device
07/10/1984US4459013 Duplex/simplex precollation copying system
07/10/1984US4459012 Cleaning station air diverters
07/04/1984EP0112450A1 System for monitoring and controlling electrophotographic toner operation
07/03/1984US4458142 Programmed electronic keycorder unit
07/03/1984US4457615 Combined charge/cleaning brush for use in a xerographic copier
07/03/1984US4457614 Electrostatic copying apparatus
07/03/1984US4457506 For use with a document copier machine
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