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)
10/1990
10/28/1990CA2015600A1 Dual mode document feeder
10/27/1990CA2015176A1 Opening and closing mechanism
10/25/1990DE4011295A1 Photocopier for high quality copies - has copy sheets cleared of paper dust prior to transfer of toner image
10/25/1990DE3911932A1 Rotary printing machine - with built in preparatory facility to produce printing cylinders
10/24/1990EP0393994A2 A linear driving apparatus
10/24/1990EP0393983A2 Edge emission type EL printer and the printing method thereof
10/24/1990EP0393627A2 Electrophotographic printing device
10/24/1990EP0393073A1 Dot printer with token bit selection of data latching
10/23/1990US4965871 Continuous plural page copying method for a copier
10/23/1990US4965870 Image forming apparatus with use of a laser beam
10/23/1990US4965747 Image forming apparatus
10/23/1990US4965640 Image forming apparatus including detachable toner fixing unit
10/23/1990US4965639 Toner supply cartridge for reproduction and printing machines
10/23/1990US4965638 Drive arrangement for moving a document scanner
10/23/1990US4965637 Control device for an image forming apparatus
10/23/1990US4965636 Electrostatographic machine with screening
10/23/1990US4965635 Digitizer apparatus and method
10/23/1990US4965634 Image recording apparatus capable of controlling image density
10/23/1990US4965629 Sheet finisher with a binder
10/23/1990US4965613 Page printer with machine-readable-character-based controls
10/23/1990US4965598 Printing apparatus
10/23/1990US4965597 Color image recording apparatus
10/23/1990US4965590 Image printing apparatus
10/23/1990US4964696 Color separating optical apparatus
10/18/1990WO1990012344A1 Fast printer with a particle trap in the paper channel
10/18/1990DE3917156A1 Image motor transfer - using laser copier and fixing oil
10/18/1990DE3911933A1 Print master preparation equipment - provides image to retain ink on hydrophilic substrate
10/17/1990EP0392678A2 Method and apparatus for transporting ions suspended in a gas
10/17/1990EP0392632A1 Method of and device for transferring two images to different sides of a receiving sheet
10/17/1990EP0392529A2 Electrophotographic recording apparatus
10/17/1990EP0392505A2 Liquid electrophotographic transferring apparatus
10/17/1990CN1046229A Rotary transference element and transference apparatus
10/17/1990CN1046228A Picture forming apparatus
10/16/1990US4963990 Continuous halftoning using quarternary pixel cells
10/16/1990US4963946 Copying machine capable of discharging paper without forming image thereon
10/16/1990US4963943 Fusing apparatus having a heat-dissipating device
10/16/1990US4963942 Image forming apparatus
10/16/1990US4963941 Form feeding control device
10/16/1990US4963940 Toner cartridge for a copying apparatus
10/16/1990US4963939 Cartridge discriminating system
10/16/1990US4963938 Toner cartridge for an image forming apparatus
10/16/1990US4963937 Development apparatus
10/16/1990US4963936 Developer unit mounting apparatus
10/16/1990US4963935 Copying apparatus
10/16/1990US4963934 Image forming apparatus capable of shortening document size detection time
10/16/1990US4963933 LED illuminator bar for copier
10/16/1990US4963932 Multi-document editing
10/16/1990US4963931 Regulating means for automatically adjusting a margining means in a copier to produce image-free image carrier zones in response to image positioning prior to image transfer
10/16/1990US4963930 Developing apparatus capable of preventing leakage of a developer
10/16/1990US4963929 Cleaning device for toner detecting sensor
10/16/1990US4963928 Electrophotographic copying apparatus equipped with positioning device
10/16/1990US4963927 Electrophotographic recording apparatus having a developer resupply control function
10/16/1990US4963926 Electrostatic image forming apparatus with charge controller
10/16/1990US4963922 Copying apparatus
10/16/1990US4963920 Copying apparatus having function of imprinting data
10/16/1990US4963899 Method and apparatus for image frame registration
10/16/1990US4963738 Flat comb-like scorotron charging device
10/16/1990US4963454 Consisting of mixture of carrier and toner at specific concentration
10/16/1990US4963452 Photosensitive member for inputting digital light
10/16/1990US4962983 Laser optical apparatus
10/16/1990US4962723 Image forming apparatus utilizing plural electric field generating arrangements so as to deposit developer particles supplied from a developer chamber
10/13/1990CA2014445A1 Heat roll fixing unit
10/11/1990DE4011073A1 Hand grip for portable photocopier - has sliding fitting for handle with sloping position to support copier in inclined setting
10/10/1990EP0391698A2 Apparatus for reproducing charge latent image
10/10/1990EP0391632A2 Sheet feeding device for facsimile apparatus
10/10/1990EP0391523A1 Flash fusible toner
10/10/1990EP0391306A2 An image forming apparatus
10/10/1990EP0390847A1 A method for producing a latent electric charge pattern and a device for performing the method.
10/10/1990CN1009969B Thermol air curtain for a copying/printing machine
10/09/1990US4962421 Color image generating apparatus
10/09/1990US4962408 Device for removing defective developer agent from a developing unit of an image formation apparatus
10/09/1990US4962407 Electrophotographic copying apparatus having toner image density measuring arrangement for detecting toner concentration
10/09/1990US4962404 Copying machine
10/09/1990US4962402 Pressure device for use in image forming apparatuses
10/09/1990US4962394 Toner density control device for an image recorder
10/09/1990US4962393 Printing apparatus
10/09/1990US4962307 Corona discharging device
10/09/1990US4961704 Sheet meandering movement preventing method
10/09/1990US4961567 Sorting apparatus
10/09/1990US4961450 Toner cartridge
10/09/1990CA1274999A1 Sheetstock dispensable from a corner nip feeder
10/06/1990CA2013945A1 Color image reading apparatus
10/04/1990WO1990011552A1 Method and apparatus for making electrophotographic prints of photographic negatives
10/04/1990WO1990011551A1 Photosensitive member and electrostatic data recording method
10/04/1990WO1990011140A1 Curl free ion deposition label printing
10/04/1990CA2028864A1 Photosensitive member and electrostatic information recording method
10/03/1990EP0390605A2 Developing method and developing apparatus
10/03/1990EP0390599A2 Image forming apparatus
10/03/1990EP0390488A2 Corona generating device
10/03/1990EP0390472A2 A developing apparatus
10/03/1990EP0390171A2 Electrostatic latent image recording/reproducing device
10/03/1990EP0390168A2 An image fixing apparatus
10/03/1990EP0390103A2 High resolution superimposed images from photopolymer electrographic master
10/03/1990EP0390090A2 An image fixing apparatus
10/03/1990EP0389522A1 Disposable development station for low cost copier or printer.
10/03/1990CN1045872A Charging component and electrophotography apparatus using same
10/03/1990CN1045871A Contrast control device for slit-type copier exposure system
10/03/1990CN1009862B Fluid assisted ion projection printing head
10/02/1990US4961092 Pre-programmed pauses post-collation copying system
10/02/1990US4961091 Sheet receiving device
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