Patents for G03G 15 - Apparatus for electrographic processes using a charge pattern (115,618)
04/1987
04/07/1987US4655582 Automatic duplex electrophotographic copying machine
04/07/1987US4655581 Copying apparatus
04/07/1987US4655580 Image forming apparatus with image forming area selection
04/07/1987US4655579 Multicolored image forming apparatus
04/07/1987US4655577 Photocopier permitting recording and editing of documents
04/07/1987US4655478 Book support
04/07/1987US4655165 Development apparatus for latent images on supported sheets
04/02/1987DE3535025A1 Nonmechanical printing or copying device having a developer station, in which liquid droplets are used to ink the charge image
04/01/1987EP0216484A2 Control device in image processing apparatus
04/01/1987EP0216450A1 Corona generating device
04/01/1987EP0216374A2 Color Electrophotographic apparatus
04/01/1987EP0216190A1 Electrographic development apparatus and method
04/01/1987EP0216093A1 Non-contact developer seal
03/1987
03/31/1987US4654677 Recording apparatus
03/31/1987US4654645 Electric element breakdown detector
03/31/1987US4654282 Plural electrophotographic toned image method
03/31/1987US4653904 Exposure intensity detecting system for copying machine
03/31/1987US4653901 Document imaging system using a three-dimensional relative illumination corrector
03/31/1987US4653899 Image forming apparatus with area selection and preservation functions
03/31/1987US4653898 Scan type anamorphic magnifying apparatus
03/31/1987US4653897 Low mass conformable heat and pressure fuser
03/31/1987US4653896 Process for developing and transferring magnetic toner images
03/31/1987US4653894 Fiber lens array mounting in reproduction machines
03/31/1987US4653427 Non-contact development method and apparatus under tangential magnetic field and AC field
03/31/1987US4653426 Developing apparatus
03/31/1987CA1219899A1 Apparatus for controlling random charges on a moving web
03/31/1987CA1219760A1 Toner compositions containing pyridinium tetrafluoroborates
03/26/1987WO1987001799A1 Contrast control for an electrostatic printer
03/26/1987DE3631129A1 Feed device for originals
03/26/1987DE3628924A1 Electrophotographic copier having a device for steplessly changing scale
03/25/1987EP0215550A1 Developing unit for use in electrophotographic printing apparatus
03/25/1987EP0215434A1 Image forming apparatus
03/24/1987US4652754 Corona generating apparatus
03/24/1987US4652510 Method for forming negative and positive images in electrophotographic process
03/24/1987US4652318 Method of making an electric field device
03/24/1987US4652115 Print engine for color electrophotography
03/24/1987US4652114 Electrophotographic copying apparatus and process
03/24/1987US4652113 Image forming apparatus
03/24/1987US4652112 Compact console electrographic reproduction apparatus
03/24/1987US4652111 Electrostatic recording apparatus
03/24/1987US4652110 Image recording apparatus
03/24/1987CA1219668A1 Document scanners
03/18/1987EP0214674A1 Method of adjusting the light-emission of a light emitting diode at a given driving current
03/18/1987EP0214596A2 Method for manufacturing printing plates
03/18/1987CN85106384A Focus adjusting mechanism in exposure optical apparatus
03/17/1987US4651169 Laser printer for printing a plurality of output-images sizes
03/17/1987US4650734 Color filter elements and electrophotographic method of making same
03/17/1987US4650347 Temperature detector
03/17/1987US4650317 Image forming apparatus with a unidirectional magnification function
03/17/1987US4650313 Duplex copying method
03/17/1987US4650310 Toner density detecting device
03/17/1987US4650176 Automatic sheet reversing apparatus
03/17/1987US4650097 Developer material supply arrangement
03/17/1987US4650070 Toner cartridge
03/11/1987EP0213745A1 Printing apparatus
03/11/1987EP0213550A1 Device for exposing a record carrier with alpha-numeric characters or surfaces presenting a foreground pattern being set off against a background pattern
03/11/1987EP0213495A2 Multi-level fuser lamp
03/10/1987US4649404 Recording apparatus
03/10/1987US4649403 Recording apparatus
03/10/1987US4649402 Electrographic stylus recording apparatus
03/10/1987US4649094 Image formation method and apparatus in which imaging light and conductive toner are applied to opposite surfaces of a photosensitive member
03/10/1987US4648709 Method and apparatus for producing transparent foil copies
03/10/1987US4648707 Reader-printer system
03/10/1987US4648706 Image reproduction apparatus
03/10/1987US4648704 Method and apparatus for applying liquid toner to a recording member
03/10/1987US4648703 Device for exposing an edge zone of a photoconductive element to light
03/10/1987US4648702 Toner density detector and toner supplier
03/10/1987US4648686 Optical switch array
03/10/1987US4648591 Apparatus for pocketing documents in vertically aligned pockets
03/10/1987CA1218892A1 Linear lens array scanning system for a multi- magnification copier
03/05/1987DE3530492A1 Device for copying interchangeable information fields, for example addresses
03/04/1987EP0212781A1 Sheet feeder control
03/04/1987EP0212722A1 Sheet removal device
03/04/1987EP0212685A1 Contact fixing device
03/04/1987EP0212669A2 Method for the development of an electrostatic latent image
03/04/1987EP0058182B1 Electrostatic printing and copying
03/03/1987US4647982 Image display apparatus capable of starting display of a new image in response to designation thereof prior to completion of display of a previously designated image
03/03/1987US4647950 Recording apparatus
03/03/1987US4647191 Method of controlling a lens stop position
03/03/1987US4647190 Copier for photographic originals having different sizes
03/03/1987US4647189 Electrophotographic copying machine with variable magnification
03/03/1987US4647188 Image forming system
03/03/1987US4647186 Biased scavenging grid for electrographic apparatus
03/03/1987US4647185 Developer detecting device
03/03/1987US4647184 Automatic setup apparatus for an electrophotographic printing machine
03/03/1987US4647183 Document-conveying copying machine
03/03/1987US4647181 Electrophotographic method and apparatus using alternating current corona charging
03/03/1987US4647180 Developing device and electronic copying apparatus
03/03/1987US4647179 Development apparatus
03/03/1987US4647178 Unit-type copying machine
03/03/1987US4647030 Paper feed apparatus
03/03/1987US4646679 Developing apparatus
03/03/1987US4646677 Disposable roller for use in xerographic copier machines
02/1987
02/25/1987EP0211562A2 Knife sheet-folder
02/25/1987EP0211464A1 Copying device provided with adjustable margining means
02/25/1987EP0211462A1 A device for feeding and discharging originals in sheet form
02/25/1987EP0211244A1 Document size detecting device
02/25/1987CN86104959A Cleaning device for monochromatic copying machine
02/24/1987US4646330 Preset counter apparatus for copying machines and the like
02/24/1987US4646249 Image processing system