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)
11/1991
11/19/1991US5065995 Sheet supplying device
11/19/1991US5065693 Developing device
11/19/1991CA1292286C Method and apparatus for equalizing power output in a laser marking system
11/14/1991WO1991017487A1 Multicolor image forming apparatus and transfer roller
11/14/1991DE4114769A1 Corona discharge element - having high melting point linear semiconductor electrode
11/14/1991DE3943556C1 Transfer of picture motifs to substrate - using digital laser copying process where toner image is fixed on motif carrier at same time as copying step
11/13/1991EP0456500A2 Image display device
11/13/1991EP0456493A2 Apparatus for transferring a charged toner image
11/13/1991EP0456322A2 Arrangement for producing X-ray photographs
11/13/1991EP0456233A2 Sheet feeding apparatus
11/13/1991EP0455828A1 Electrostatic copying method
11/13/1991EP0455771A1 Copier with auto scaling, auto paper select, and window scaling.
11/13/1991EP0455720A1 Liquid developer formulation
11/12/1991US5065250 Image pick-up apparatus
11/12/1991US5065199 Obtaining color balance for optical copiers by setting the exposure and primary voltage for each color
11/12/1991US5065198 Copying apparatus having means for inhibiting manual setting of paper size and magnification when the automatic paper selective mode and automatic magnification selection mode are set
11/12/1991US5065197 Electrophotographic printer having compact geometric projection regions
11/12/1991US5065196 Electrophotographic printer
11/12/1991US5065195 Color image forming apparatus having a freely installable and detachable process cartridge
11/12/1991US5065193 Heat fixing roll for copying machine, method of producing the same and electronic copying machine provided with the same
11/12/1991US5065192 Development apparatus with magnetically rotated skive
11/12/1991US5065191 Adjustment of MICR signal strength
11/12/1991US5065190 Toner density control method
11/12/1991US5065189 Electrophotographic copying machine and method of setting copy magnification
11/12/1991US5065188 Charge-eliminating apparatus of copier
11/12/1991US5065187 Image forming system
11/12/1991US5065185 Multi-function detecting device for a document reproduction machine
11/12/1991US5065184 Light amount control apparatus
11/12/1991US5065183 Multicolor printing method for container
11/12/1991US5065182 Image forming system
11/12/1991US5065181 Image forming apparatus capable of inscribing a desired date on copying paper
11/12/1991US5065179 Microfilm reader-printer
11/12/1991US5064738 Liquid toning process and apparatus
11/12/1991US5064188 Automatic document conveying device which opens so jams may be cleared
11/12/1991US5064182 Automatic original feeding device with feeding roller
11/12/1991US5063875 Development apparatus having a transport roll rotating at least twice the surface velocity of a donor roll
11/06/1991EP0455497A2 Loose element sheet stacking assistance system
11/06/1991EP0455470A2 Fusing assembly with release agent donor member
11/06/1991EP0455069A2 Heater
11/06/1991EP0454869A1 Electrostatic information recording medium and electrostatic information recording/reproducing method
11/06/1991EP0454845A1 Photo-setting resin composition and plastic-clad optical fibers produced therefrom
11/06/1991EP0275294B1 Imaging lens array and optical print head
11/06/1991CN1014651B Electrohotographic recorder controller
11/05/1991US5063535 Programming conflict identification system for reproduction machines
11/05/1991US5063459 Facsimile apparatus
11/05/1991US5063415 Image forming apparatus
11/05/1991US5063414 Copier allowing successive copying operations while avoiding certain waiting period
11/05/1991US5063413 Removal of excess liquid from an image receptor
11/05/1991US5063412 Development apparatus using an electromagnet to prevent development in the non-operative mode
11/05/1991US5063411 Color image forming apparatus having a unitary guide plate facing a plurality of developing devices
11/05/1991US5063410 Image forming apparatus having a plurality of removable developing devices
11/05/1991US5063409 Image recording apparatus and exchanging unit used in the same
11/05/1991US5063406 Copying machine
11/05/1991US5063404 Document illumination assembly adapted to reduce platen overheating
11/05/1991US5063399 Electrophotographic apparatus having reduced drum drive flutter
11/05/1991US5063398 Color image recording apparatus
11/05/1991US5063397 Variable-thickness imaging members
11/05/1991US5063133 Electrophotographic developing system comprising toner having specific particle size distribution
11/05/1991US5062602 Double feeding prevention in a bottom sheet document feeder
11/05/1991US5062385 Open-cell foam developing roller
10/1991
10/31/1991DE4113560A1 Fixing station for electrophotographic imaging device - has return mechanism for feeding transparent sheet through fixing station several times
10/30/1991EP0454475A2 A thermal fixing apparatus and a heater therefor
10/30/1991EP0454381A2 Housing structure for image forming apparatus
10/30/1991EP0454167A2 Laminated electrostatic printhead
10/30/1991EP0454163A2 Toner container and process unit including the same
10/30/1991EP0454030A2 Fusing member useful in electrostatography
10/30/1991EP0453963A2 Process cartridge detachably mountable to image forming apparatus
10/30/1991EP0453762A2 Imaging apparatus and process with intermediate transfer element
10/30/1991EP0453594A1 Highlighting for photocopiers and facsimile machines
10/30/1991EP0255543B1 Electrophotographic reproduction apparatus and method with selective screening
10/29/1991US5062114 Output beam control device for a semiconductor laser
10/29/1991US5062003 Image forming apparatus
10/29/1991US5062002 Electrostatic printer with color hue or grey level controlled by the level and/or duty cycle of voltages applied to each styli
10/29/1991US5061969 Hybrid development scheme for trilevel xerography
10/29/1991US5061968 Color image forming machine with individually drivable agitating means
10/29/1991US5061967 Electrophotographic recording apparatus
10/29/1991US5061966 Method of cleaning an image retainer
10/29/1991US5061965 Fusing assembly with release agent donor member
10/29/1991US5061964 Developer unit using magnetic toner particles
10/29/1991US5061963 Monocomponent developing device
10/29/1991US5061962 Copier with a plurality of reference positions
10/29/1991US5061961 Dielectric member core support and locating device
10/29/1991US5061960 Preexposure light control system for a photocopier
10/29/1991US5061959 Photographic recording apparatus having photoconductive drum cartridge unit with automatically closed openings
10/29/1991US5061958 Display of user selectable paper feed options
10/29/1991US5061957 Power controlling device
10/29/1991US5061955 Microfilm reader/printer
10/29/1991US5061949 Image forming apparatus comprising means for setting a proper bias voltage of laser emitting means and method therefor
10/29/1991US5061590 Transfer roll having internal heater; multicolor electrography
10/29/1991US5061583 Color electrophotography for high quality half-tone images
10/29/1991US5061041 Liquid crystal motion picture projector with memory
10/29/1991US5061029 Optical waveguide array, printer, and method of manufacturing the same
10/29/1991US5060927 Sheet feeding device
10/29/1991US5060925 Document feeding apparatus
10/29/1991US5060923 Automatic document conveying device for an image processing machine
10/29/1991US5060922 Copying paper processing apparatus
10/29/1991US5060921 Image forming apparatus
10/29/1991US5060880 Apparatus for automatically spooling output media from an electrographic printer
10/29/1991CA1291491C Document feeder for moving platen copiers
10/28/1991CA2040492A1 Toner container and process unit including the same
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