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)
04/1990
04/03/1990US4914484 Toner image fixing apparatus for an image forming machine
04/03/1990US4914483 Electrostatographic transfer with artifact suppression
04/03/1990US4914482 Sheet transport system
04/03/1990US4914481 Developing apparatus
04/03/1990US4914480 Corona discharging device for an electrophotographic apparatus
04/03/1990US4914479 Image formation apparatus with cartridge for roll of photosensitive sheet
04/03/1990US4914478 Storage stability
04/03/1990US4914477 Reproduction apparatus having an image member with timing indicia
04/03/1990US4914476 Device for displaying warm-up waiting time of image forming apparatus
04/03/1990US4914475 Editing area setting method and editing area setting apparatus in an image forming apparatus
04/03/1990US4914472 Automatic document feeder and a copying apparatus equipped with such an automatic document feeder
04/03/1990US4914470 Device to be particularly fitted onto color photocopying machines for obtaining reproductions also from diapositives
04/03/1990US4914459 Image forming apparatus
04/03/1990US4914458 Image forming apparatus
04/03/1990US4914457 Electrostatic latent image forming apparatus
04/03/1990US4914456 Electrostatographic apparatus
04/03/1990US4914455 Process control for electrostatographic printers
04/03/1990US4914454 Image recording system capable of forming image with different colors in different areas
04/03/1990US4914146 Coating for a fixing heater roller and a cooking utensil
04/03/1990US4913992 Charging, exposure to light, development cycles
04/03/1990US4913926 Curl free ion deposition label printing
04/03/1990US4913448 Sealing arrangement
04/03/1990US4913416 Automatic document transportation device
04/03/1990US4913414 Damped sheet registration drive
04/03/1990US4913348 Single pass selective multicolor development; electrical biazing
04/03/1990US4913088 Apparatus for developer transfer under electrical bias
04/03/1990US4913087 Developing device of a copier
04/03/1990US4913086 Developing apparatus
03/1990
03/28/1990EP0360751A1 Method of exposure control and photographic colour copier
03/28/1990EP0360572A2 Image processing system
03/28/1990EP0360484A2 Densitometer for measuring specular reflectivity
03/28/1990EP0360198A2 Toner cartridge
03/27/1990US4912564 Clock signal generation apparatus
03/27/1990US4912518 Automatic document feeder for two-document one-side copying
03/27/1990US4912517 High-volume projector and rotary xerographic processor
03/27/1990US4912516 Belt transferring device
03/27/1990US4912515 Image forming apparatus
03/27/1990US4912514 Electrophotographic printer
03/27/1990US4912513 Developing apparatus with variable developing bias voltage
03/27/1990US4912512 Electrophotographic copier with a capability of automatically setting up optimum process conditions
03/27/1990US4912511 Developing device capable of preventing a developer from passing through the space between adjacent developing sleeves
03/27/1990US4912510 Image forming apparatus with detachable cartridge
03/27/1990US4912509 Integrated detachable image forming unit and developing unit of an image forming apparatus
03/27/1990US4912508 Automatic background control for an electrostatic copier
03/27/1990US4912507 Electrophotographic copying apparatus for forming an image without any unnecessary shadow region
03/27/1990US4912505 Contrast control device for a slit-type copier exposure system
03/27/1990US4912504 Copying apparatus capable of divisional copy
03/27/1990US4912501 Automatic original circulating and feeding apparatus
03/27/1990US4912491 Apparatus for forming superimposed images
03/27/1990US4912490 Printer for continuous form with justification control
03/27/1990US4912489 Direct electrostatic printing apparatus with toner supply-side control electrodes
03/27/1990US4912007 Image forming method using toner of pH 2.5-6.5
03/27/1990US4912003 Reverse development method
03/27/1990US4911100 Developing apparatus
03/27/1990US4910845 Precision transport roller
03/27/1990CA1267024A1 Microfilm reader-printer
03/22/1990WO1990003015A1 Linear printhead writer assembly and mount therefor
03/22/1990WO1990002977A2 Fusing apparatus and method
03/22/1990WO1990002976A1 Dead time compensation for toner replenishment
03/21/1990EP0359571A2 Electrophotographic printing apparatus
03/21/1990EP0358954A1 An image recording apparatus
03/21/1990EP0207137B1 Apparatus and method for forming reproductions with desired margin areas
03/21/1990CN1007292B Nondestructive readout of a latent electrostatic image formed on an insulating material
03/20/1990US4910637 Modifying the discharge breakdown
03/20/1990US4910612 Two-sided copying method and apparatus for a digital copier
03/20/1990US4910559 Elastic rotatable member and fixing device using same
03/20/1990US4910558 Image transfer and contact fixing device
03/20/1990US4910557 Image density control method for an image forming apparatus
03/20/1990US4910556 Developing roller for use in an image recorder
03/20/1990US4910555 Electrophotographic device with controlled exposed potential
03/20/1990US4910554 Copying apparatus provided with an automatic light exposure control system
03/20/1990US4910553 Copying apparatus with sheet number magnification display
03/20/1990US4910552 Automatic document feeder for electrophotographic copying machine with a drum for supporting a document
03/20/1990US4910551 Portable image forming apparatus
03/20/1990US4910538 Image forming apparatus including a belt-like recording medium having an exposed conductive region
03/20/1990US4910537 Image forming apparatus
03/20/1990US4910536 Electrophotographic photosensitive member, electrophotographic apparatus and process for forming an electrophotographic image using laser and special organic photoconductor
03/20/1990US4910535 Image forming apparatus
03/20/1990US4910534 Light emitting apparatus
03/20/1990US4910532 Image recording apparatus
03/20/1990US4910400 For charging a receiver
03/20/1990US4910108 Apparatus for heat-and-pressure fixation of toner images
03/14/1990EP0358605A1 Envelope feeder
03/13/1990US4908753 High-tension power supply for an image recorder
03/13/1990US4908675 Color image forming apparatus having a synchronized conveyor
03/13/1990US4908674 Image forming apparatus
03/13/1990US4908673 Image forming apparatus having a paper refeed tray
03/13/1990US4908672 Paper size selection apparatus for use in copier machines
03/13/1990US4908670 Wick for fixing roller
03/13/1990US4908669 Toner image treatment device for use in electrostatic copying machines
03/13/1990US4908668 Image-forming machine
03/13/1990US4908667 Electrophotographic copying apparatus
03/13/1990US4908666 Apparatus for controlling toner replenishment in electrostatographic printer
03/13/1990US4908665 Developer carrier containing electrically conductive filler present in a resin coating layer for use in dry-type image developing device
03/13/1990US4908664 Image forming apparatus
03/13/1990US4908663 Electrophotographic copying machine
03/13/1990US4908662 Automatic original feeding apparatus having an image area designating function
03/13/1990US4908661 Holder device for handling an image carrier of an image forming apparatus
03/13/1990US4908660 Image duplicating apparatus having composite and duplex modes of operation
03/13/1990US4908659 Image-forming machine having a cover member and comprising engaging means and hampering means for controlling closure of the cover
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