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)
10/1979
10/30/1979US4172653 Actuator for a copy sheet feeder in a reciprocating carriage drive system
10/30/1979US4172430 Recording medium alignment guide for an electrostatic recorder
10/30/1979CA1065389A1 Quick release mechanism for a backup roll of a roll fuser employed in a copier apparatus
10/30/1979CA1065388A1 Pressure roll construction
10/30/1979CA1065387A1 Electrostatic reproduction method and apparatus
10/30/1979CA1065108A1 Squeegee apparatus
10/23/1979US4171906 Device for holding down a document
10/23/1979US4171905 Device for illuminating and adjusting the amount of light in machines for electrostatically preparing printing matrices
10/23/1979US4171904 Image forming device of copying apparatus of the variable duplicate size type
10/23/1979US4171901 Device for controlling advance and return movements of original table of electrostatic copying apparatus
10/23/1979US4171900 Copying machine
10/23/1979US4171899 Transfer apparatus
10/23/1979US4171781 Copying apparatus
10/23/1979CA1065005A1 Squeeze roller retraction assembly
10/23/1979CA1064754A1 Automatic camera for dual printing plates
10/23/1979CA1064692A1 Developer assembly support
10/18/1979WO1979000793A1 Ignitting means for discharge lamp of reproducer
10/17/1979EP0004736A2 An apparatus for line-to-line recording of different color component images
10/17/1979EP0004687A2 Xerographic copying apparatus for producing double sided copies
10/17/1979EP0004573A1 Xerographic copier
10/17/1979EP0004572A1 Xerographic copier
10/17/1979EP0004558A2 Hot roll fuser for an electrostatic copier
10/16/1979US4171157 Improved electrophotographic apparatus for multiple copies
10/16/1979US4170957 Fixing device using polyarylsiloxanes as release agents
10/16/1979CA1064568A1 Fixing device for electrophotographic duplicating machines
10/16/1979CA1064567A1 Method and apparatus for the manufacture of printing plates
10/16/1979CA1064533A1 Sheet feed apparatus
10/16/1979CA1064335A1 Process for developing electrographic images by causing electrical breakdown in the developer
10/16/1979CA1064305A1 Method and apparatus for producing improved electrographic developer
10/16/1979CA1064249A2 Copying apparatus
10/09/1979US4170475 Interposing conductive film between electrode and dielectric layer, applying low voltage direct current between ohmic layer and electrode, projecting radiant energy pattern onto photoconductive layer
10/09/1979US4170414 Document feed controls for copy production machines
10/09/1979US4170412 Microfilm adaption unit for photocopier machines
10/09/1979US4170404 Mounting structure for optical assemblies in nonmechanical printers
10/09/1979US4170349 Self-contained motor-driven collator deflector
10/09/1979US4170287 Magnetic auger
10/09/1979US4170195 Developing apparatus for developing latent electrostatic images
10/09/1979US4170175 Belt tracking system
10/09/1979CA1064094A1 Electrophotographic printing machine
10/09/1979CA1064093A1 Electrophotographic apparatus having improved photoconductor regenerative structure and procedure
10/09/1979CA1064092A1 Apparatus and method for automatic control of an intermediate image storage device in an electrostatographic processing machine
10/03/1979EP0004451A1 A dual mode copier
10/03/1979EP0004404A2 Electrophotographic process
10/03/1979EP0004383A2 Process for the production of a resist by a magnetic printing process, a dry particulate resist composition obtained therefrom and apparatus for manufacturing a circuit board
10/03/1979EP0004380A1 Scorotron charging apparatus
10/03/1979EP0004290A1 Sheet feed
10/02/1979US4169673 Image transfer device
10/02/1979CA1063725A1 Contaminant trapping in rotating disk devices
10/02/1979CA1063666A1 Cylindrical high efficiency flash fusing apparatus
10/02/1979CA1063664A1 Electrophotographic copying apparatus for two-sided copying
10/02/1979CA1063632A1 Document counter
10/02/1979CA1063596A1 Mixing by magnetically separating particle trajectories and recombining
09/1979
09/25/1979US4168975 Electrophotographic image receiving plates
09/25/1979US4168974 Ion modulation imaging involves prior uniform charging of secondary recording surface and charge control thereof
09/25/1979US4168973 Process for the transfer printing of electrostatic charge images using N2 atmosphere
09/25/1979US4168905 Variable magnification copying apparatus
09/25/1979US4168903 Fire detecting and extinguishing system for copying machine
09/25/1979US4168902 Apparatus for peeling off the leading edge of a receiving sheet from a transfer image carrier
09/25/1979US4168901 Developer housing sealing device for electrophotography
09/25/1979US4168830 Air jet paper pick-off for liquid developer electrostatic copier
09/25/1979CA1063175A1 Electrometer apparatus for reproduction machines
09/25/1979CA1063161A1 Pulsed metal or metal halide lamps for photocopying applications
09/25/1979CA1063160A1 Pretransfer corotron switching
09/25/1979CA1063159A1 Process and device for electrophotographic image generation and application of the process
09/25/1979CA1063158A1 Document reproduction machine having a duplex copy mode
09/25/1979CA1063157A1 Electrophotographic halftone printing machine employing a phase screen
09/25/1979CA1063156A1 Multi-process control system for an electrophotographic printing machine
09/25/1979CA1062906A1 Apparatus for developing latent electrostatic images
09/25/1979CA1062905A1 Dual mode apparatus for developing latent electrostatic images
09/25/1979CA1062854A1 Water based magnetic inks and the manufacture thereof
09/20/1979WO1979000708A1 Developing device in an electrical photocopying apparatus
09/19/1979EP0004162A1 Document handling apparatus for a copier
09/18/1979US4168522 Light emission control for gas-discharge lamp
09/18/1979US4168424 Thermal fixing method for a copying machine utilizing a heating roller
09/18/1979US4168329 Produces scum-free copy
09/18/1979US4168164 Screen process for forming electrostatic latent images
09/18/1979US4168119 Electrophotographic copying apparatus utilizing liquid developer
09/18/1979US4168059 Compensating means for adjusting the resetting of paper gate device
09/18/1979US4168058 Record member feeding device
09/18/1979CA1062762A1 Color dot screen for electro photography
09/18/1979CA1062761A1 Backup roll for heated fuser system
09/18/1979CA1062532A1 Fixing of toner images on thermo-adhesive layers
09/18/1979CA1062528A1 Imaging system
09/11/1979US4167674 Photoreceptor plate cassette for use in automated x-ray image processing systems
09/11/1979US4167326 Contact electrostatic photocopying process and apparatus forming reversed image master using web-type photoconductive surface
09/11/1979US4167325 Electrographic recording apparatus
09/11/1979US4167323 Reproduction apparatus for producing simplex or duplex copies
09/11/1979US4167322 Electrostatic copying system having monitoring devices
09/11/1979US4167321 Photosensitive drum for electrographic apparatus
09/11/1979CA1062094A1 Process and apparatus for developing a latent electrostatic image on an electrophotographic copying material
09/11/1979CA1061999A1 Developer replenishment device for coyping machines
09/04/1979US4166702 Device for detecting a toner concentration in a developing solution
09/04/1979US4166692 Protection and safety device for a photocopying machine
09/04/1979US4166691 Recording system
09/04/1979US4166690 Digitally regulated power supply for use in electrostatic transfer reproduction apparatus
09/04/1979US4166615 Means for determining difference in copy sheet transportation states for an electrostatic reproduction machine
09/04/1979US4166614 Jogging and normal force for sheet feeding
09/04/1979CA1061854A1 Duplicating system
09/04/1979CA1061853A2 Electrophotographic process
09/04/1979CA1061852A1 Color accenting copying machine
1 ... 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 ... 1157