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)
08/1989
08/24/1989WO1989007527A1 Nonimpact printer
08/24/1989DE3804312A1 Device for improving the scanning quality in optical scanning devices
08/24/1989DE3804102A1 Device for the double-sided microfilming of books onto roll film or microfiche
08/23/1989EP0329366A1 Charging member
08/23/1989EP0329197A2 Electrostatic copying apparatus
08/23/1989EP0329145A2 Apparatus for driving image bearing member
08/23/1989EP0328889A1 Cold-fixing unit for electrophotography
08/23/1989EP0328722A2 Circulating type of automatic document feeding apparatus and duplex copying apparatus provided with said apparatus
08/23/1989EP0226617B1 Compact electrographic reproduction apparatus
08/22/1989US4860115 Digital copier with a facsimile function
08/22/1989US4860063 Method of controlling developer toner density of developing device
08/22/1989US4860060 Microfiche printing system and method
08/22/1989US4860057 Automatic original circulating and feeding apparatus
08/22/1989US4860055 Image forming apparatus capable of displaying capacity and/or remaining quantity of sheets of paper
08/22/1989US4860054 Copier control system
08/22/1989US4860053 Color image forming apparatus having a plurality of developing units
08/22/1989US4860052 Copying apparatus with use frequency cancellation control
08/22/1989US4860050 Developing replenisher material for use in image forming device
08/22/1989US4860049 Image forming apparatus
08/22/1989US4860048 Image forming apparatus
08/22/1989US4860047 Fuser system utilizing a pressure web
08/22/1989US4860036 Direct electrostatic printer (DEP) and printhead structure therefor
08/22/1989US4860035 Printing device having a rotatable image-receiving support
08/22/1989US4859831 Fuser system
08/22/1989US4859557 Reverse photographic process
08/22/1989US4859551 Process for preparing positive and negative images using photohardenable electrostatic master
08/22/1989US4859550 Smear resistant magnetic image character recognition processes
08/22/1989US4858909 Sheet transporting apparatus
08/22/1989US4858908 Sheet transporting speed control apparatus
08/22/1989CA1258658A1 Dispensing cartridge
08/16/1989EP0328428A1 Device for intermittently applying particles of a pulverulent toner to the recording medium of a magnetographic printer
08/16/1989EP0328412A2 Suction-belt document handler
08/16/1989EP0328113A2 Member for charging
08/16/1989EP0328072A2 An image fixing apparatus
08/16/1989EP0139020B1 Electrophotography method
08/15/1989US4858062 Charging device
08/15/1989US4857969 Copying machine having an intermediate tray
08/15/1989US4857966 Reader-printer having an image rotation device
08/15/1989US4857965 Reader-printer having an image rotation device
08/15/1989US4857963 Image forming apparatus
08/15/1989US4857960 Control device for image processing or forming apparatus
08/15/1989US4857959 Method and apparatus of charging for transfer in electrophotograph device
08/15/1989US4857958 Electronic copying apparatus having function of partially changing image reproduced from original image
08/15/1989US4857957 Image forming apparatus
08/15/1989US4857956 Copier with reciprocating document table
08/15/1989US4857955 Electronic printer apparatus with intelligent accent color
08/15/1989US4857954 Image forming apparatus
08/15/1989US4857945 Printing device and method employing latent electrostatic image development and separate toner-brush operational cycle
08/15/1989US4857723 Segmented imaging plate structure
08/10/1989DE3902228A1 Electrophoretic printer
08/09/1989EP0326941A2 Image forming apparatus
08/09/1989EP0326558A1 Non-mechanical printing or copying unit with an exposure system arranged in the development region.
08/08/1989US4855794 Copying machine with an automatic document feeder
08/08/1989US4855790 Recording apparatus
08/08/1989US4855789 Image forming method and apparatus
08/08/1989US4855788 Copier with improved paper transporting means
08/08/1989US4855787 Image duplicating apparatus having plural copying modes and plural sheet feeding arrangements
08/08/1989US4855786 Electrophotographic copying machine capable of editing function
08/08/1989US4855785 Trimming copying machine
08/08/1989US4855784 Web backing plate
08/08/1989US4855783 Agitating roller and restricting member for a developing device
08/08/1989US4855766 Image recording apparatus detecting and controlling image contrast
08/08/1989US4855754 Control device for an image recorder
08/08/1989US4855648 Control device for copier or the like
08/08/1989US4854672 Optical system for copier
08/02/1989EP0326429A2 Image processing apparatus
08/02/1989EP0326345A2 Fixing apparatus
08/02/1989EP0325599A1 Device for filling toner from a transfer container into a toner storage container.
08/01/1989US4853752 Image processing method
08/01/1989US4853749 Area exposure machine
08/01/1989US4853748 Variable magnification copier
08/01/1989US4853741 Disposable web cleaning device for electrostatographic apparatus
08/01/1989US4853740 Recording apparatus capable of multiple recording on one or both sides of a sheet
08/01/1989US4853739 Illuminating device for image exposure
08/01/1989US4853738 Color quality improvements for electrophotographic copiers and printers
08/01/1989US4853737 Roll useful in electrostatography
08/01/1989US4853736 Image forming apparatus
08/01/1989US4853719 Coating of aluminum hydroxide and electroconductive particles
08/01/1989US4853709 Internal drum plotter
08/01/1989US4853311 Fusible electrostatically attractable toner
08/01/1989US4852869 Feed apparatus capable of feeding image forming media by relatively small drive power
08/01/1989US4852868 Automatic paper feeding apparatus
08/01/1989US4852867 Copying apparatus having an automatic document feeder with document circulating function and a paper container with paper binding function
08/01/1989US4852487 Method and device for printing images on halves of both sides of sheets
08/01/1989CA1258087A1 Electrographic charge deposition apparatus
07/1989
07/27/1989WO1989006634A1 Paper sheet sorting apparatus
07/27/1989DE3900903A1 Bilderzeugungsgeraet mit einer funktion zur einstellung einer abtaststartstellung Bilderzeugungsgeraet with a function for setting a abtaststartstellung
07/27/1989DE3900771A1 Colour-separating optical device
07/26/1989EP0325570A1 Poly(hydroxyether-diphenyldimethylsiloxane) copolymers and uses thereof
07/26/1989EP0325415A2 Copier/document handler customer variable registration system
07/26/1989EP0325414A2 Sealing arrangement for an auger
07/25/1989US4851975 Illumination device
07/25/1989US4851960 Charging device
07/25/1989US4851927 Digital color printer
07/25/1989US4851926 Electrophotographic recording apparatus for a facsimile device
07/25/1989US4851885 Automatic document feeder for electrophotographic copying machine
07/25/1989US4851884 Piecewise development system
07/25/1989US4851883 Copying machine having an auto-paper selection function
07/25/1989US4851881 Optical printing system
07/25/1989US4851879 Transfer device in electrophotographic copying machine
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