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)
05/1990
05/21/1990CA2003398A1 Color copy machine with detachable process cartridge
05/18/1990CA2002949A1 Process for visually detecting a colour drift in a polychrome reproduction
05/17/1990WO1989012257A3 Dual color imaging method and apparatus
05/17/1990DE3936130A1 Slide bearing for scanner in photocopier - comprises components all having similar coefft. of heat expansion for precise position control
05/16/1990EP0368665A1 Image forming apparatus
05/16/1990EP0368620A2 Wiring device
05/16/1990EP0368617A2 Image forming apparatus having electrostatic attraction control means for transfer material
05/16/1990EP0368346A2 Image-forming machine
05/16/1990EP0368280A2 Image forming apparatus
05/16/1990CN1042249A Fixing device for fixing a powder image on a receiving sheet
05/16/1990CN1008011B Copying apparatus
05/16/1990CN1008003B Waste toner full-detector
05/15/1990US4926358 System for controlling curls of a paper
05/15/1990US4926265 Apparatus and method for preventing paper interference in a recording device
05/15/1990US4926250 Color image recording and reproducing apparatus utilizing a monochromatic recording medium
05/15/1990US4926249 Color image reader having a lens and prism incorporated into a single unit
05/15/1990US4926220 Dual mode set delivery apparatus
05/15/1990US4926219 Improved paper handling mechanism in conjunction with image forming apparatus such as laser printers
05/15/1990US4926218 Image forming apparatus
05/15/1990US4926217 Particle transport
05/15/1990US4926216 Feeder of sheet-like photo-sensitive material
05/15/1990US4926214 Original-holding cover
05/15/1990US4926209 Image recording apparatus using planar illuminator as a light source
05/15/1990US4926200 Electrophotographic printer
05/15/1990US4925895 Heat stabilized silicone elastomers
05/15/1990US4925778 Process for the rapid development of color materials
05/15/1990US4925178 Device for conveying sheets with intersecting conveyor paths
05/15/1990US4925177 Automatic paper feeder
05/15/1990US4925176 Signature job copying system
05/15/1990US4925172 Small inexpensive finisher
05/15/1990US4924920 Sealing arrangement for a toner dispensing cartridge
05/15/1990US4924806 Developing apparatus
05/15/1990CA1268917A1 Rubber or plastic coated roller, method and apparatus for production thereof
05/14/1990EP0277985A4 Liquid crystal motion picture projector with memory.
05/14/1990CA2002448A1 System and method of providing images from solid state sensor
05/14/1990CA2001602A1 Method and apparatus for charged particle generation
05/10/1990DE3937356A1 Image generator for photocopier, printer etc. - has control for periodical exposure of rotary photoconductor by illuminating device
05/10/1990DE3838004A1 Microfilm copier
05/09/1990EP0367628A2 Sheet turning device
05/09/1990EP0367617A2 Coloured images
05/09/1990EP0367561A2 Small inexpensive finisher
05/09/1990EP0367249A2 Document conveyance apparatus
05/09/1990EP0367245A2 An image forming apparatus
05/09/1990EP0367203A2 Electrophotographic apparatus
05/09/1990EP0367157A2 Transfer apparatus and image forming apparatus using same
05/09/1990EP0366800A1 A method of preventing toner leakage during pre-mounting transportation of a new developing unit
05/08/1990US4924357 Light source unit for a business machine
05/08/1990US4924320 Image system with connection to operational units
05/08/1990US4924275 Printer switchable between duplex and simplex mode on a page by page basis
05/08/1990US4924274 Copying machine
05/08/1990US4924273 Roller transfer apparatus
05/08/1990US4924272 Cleaning assembly for electrostatographic apparatus
05/08/1990US4924271 Oil distribution system for a heat and pressure fuser
05/08/1990US4924270 Toner supply device for use in image forming apparatus
05/08/1990US4924269 Original illuminating apparatus
05/08/1990US4924268 Electronic copier with simultaneous charger and erasing array cleaning
05/08/1990US4924267 Process cartridge and multi-color image forming apparatus using same
05/08/1990US4924265 Automatic insert feed control
05/08/1990US4924264 Image duplicating apparatus having edited copying mode
05/08/1990US4924263 Quality control for magnetic images
05/08/1990US4924262 Shutter calibration and document size detection
05/08/1990US4923777 Single-component developing method
05/08/1990US4923581 Toner recycling by counterflow
05/08/1990US4923190 Original paper turning over and conveying out apparatus
05/03/1990WO1990004811A1 Development station
05/03/1990DE3935884A1 Toner printing station for electrostatic copier - uses conductive and magnetic toner materials in successive image transfer stages
05/03/1990DE3935618A1 Compact electrophotographic copier with copy sheet blockage detection - provides control signal for automatic reduction of lamp output level
05/03/1990DE3929639A1 Drucker Printer
05/02/1990EP0366425A1 Job processing system for use with document copying/printing machines
05/02/1990EP0366399A2 Image processing apparatus and method therefor
05/02/1990EP0366120A2 Document conveyance apparatus
05/02/1990EP0366113A2 Image forming device
05/02/1990EP0366052A2 Developing apparatus for an image forming apparatus
05/02/1990CA2001640A1 Coloured images
05/01/1990US4922392 An original reading apparatus with shielding
05/01/1990US4922335 Color film reading apparatus providing high-gradation color signals
05/01/1990US4922306 Copying apparatus with document feeder
05/01/1990US4922305 Apparatus for release of debris trapped between a blade and charge retentive surface
05/01/1990US4922304 Reproduction machine fuser belt
05/01/1990US4922303 Image forming apparatus with corona discharge device for transferring toner image
05/01/1990US4922302 Device for developing electrostatic images on a film belt
05/01/1990US4922301 Rotary multicolor developing apparatus
05/01/1990US4922300 Image forming apparatus and developing device therefor
05/01/1990US4922299 Electrostatic charge emitting apparatus
05/01/1990US4922298 Automatic color separation system
05/01/1990US4922297 Mounting structure of photosensitive drum
05/01/1990US4922296 Image reproducing apparatus controlled in response to detected density of an original image
05/01/1990US4922295 Copying apparatus having a display warning
05/01/1990US4922294 Image forming apparatus
05/01/1990US4922293 Control system for an image forming apparatus
05/01/1990US4922292 Image forming device
05/01/1990US4922291 Sheet feed device
05/01/1990US4922286 Color image recording apparatus
05/01/1990US4922272 High precision image recording apparatus
05/01/1990US4922101 Radiation image-reading method
05/01/1990US4922099 Electric field device
05/01/1990US4921772 Two directionally operating imaging system
05/01/1990US4921768 Electrophotographic image forming
05/01/1990US4921320 Optical scanner
05/01/1990US4921316 Integral fiber optic printhead
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