Patents
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
07/1984
07/04/1984EP0112403A1 Opto-electronic scanning apparatus
07/04/1984EP0034187B1 Compressed data restoring system
07/03/1984US4458270 Negative to positive image converting apparatus
07/03/1984US4458267 Digital x-ray system
07/03/1984US4458265 Color image duplicating system
07/03/1984US4458264 Apparatus and method for reading multi-color original
06/1984
06/27/1984EP0112202A2 Point-by-point document reading device using a photodetector array
06/27/1984EP0112016A2 Improvements in and relating to document scanners
06/27/1984EP0111667A2 High speed printer or the like
06/26/1984US4457017 Method of adjusting position of solid-state scanning element and mounting same
06/26/1984US4456968 Real-time ordinal-value filter utilizing half-interval ranking
06/26/1984US4456931 Electronic camera
06/26/1984US4456924 Screened image reproduction
06/26/1984US4456824 Copying machine
06/26/1984CA1169958A1 Raster scanner apparatus and method
06/26/1984CA1169957A1 Arrangement for scanning originals provided with graphic patterns
06/26/1984CA1169913A1 Image size control for raster scanners
06/20/1984EP0111278A1 Radiation image read-out method and apparatus
06/20/1984EP0111026A1 Process and device for the copying retouching in the electronic colour picture reproduction
06/19/1984US4455579 Apparatus for producing a color picture on recording paper
06/19/1984US4455578 Electronics for arrayed photosources
06/19/1984US4455577 In an image-forming apparatus
06/19/1984US4455563 System and film gate for accurately imaging information on a film by a charged particle beam
06/19/1984US4455562 Control of a light emitting diode array
06/19/1984CA1169475A1 Recording apparatus
06/13/1984EP0110675A2 Thermal recording system
06/13/1984EP0110670A1 Laterally translatable roll apparatus
06/13/1984EP0110668A1 Color electrographic recording apparatus
06/13/1984EP0110353A1 Picture signal processing system suitable for displaying continuous tone pictures
06/13/1984EP0110185A1 Gradation correction curve creating method and apparatus
06/12/1984US4454593 Pictorial information processing technique
06/12/1984US4454547 Raster output scanner having a full width electro-mechanical modulator
06/12/1984US4454546 Band compression device for shaded image
06/12/1984US4454540 Automatic level control circuit
06/12/1984US4454539 In a scanning apparatus
06/12/1984US4454537 Method for reproducing a color picture for use in a picture reproducing machine
06/12/1984US4454536 Method and apparatus for correcting video signals in color printing simulation
06/12/1984US4454516 Heat-sensitive recording device
06/12/1984US4453848 Noise-reducing platen
06/12/1984US4453841 Duplex printing system and method therefor
06/12/1984US4453425 Holding mechanism
06/12/1984CA1169013A1 Method and apparatus for controlling a printer
06/05/1984US4453227 Method and apparatus for transferring a bit pattern field into a memory
06/05/1984US4453187 Image sensor
06/05/1984US4453181 Scanning-image forming apparatus using photo response signal
06/05/1984US4453180 In a scanning device
06/05/1984US4453170 Image forming apparatus with vibration compensation
05/1984
05/30/1984EP0109863A2 A thermal transfer colour sheet printer
05/29/1984US4451855 Relation density calculation system
05/29/1984US4451854 Picture information input apparatus
05/29/1984US4451853 Image data transmission process
05/29/1984US4451835 Thermal recording device
05/29/1984CA1168383A1 Electronic imaging apparatus with light valve area arrays
05/24/1984WO1984002046A1 Multiple camera automatic digitizer with skew correction
05/24/1984WO1984002019A1 Image processing method using a block overlap transformation procedure
05/23/1984EP0109237A2 Improvements in and relating to document scanners
05/23/1984EP0109038A2 Communication terminal for an office information system
05/23/1984EP0109005A1 Method of providing a halftone image
05/23/1984EP0036548B1 Method of engraving printing surfaces
05/22/1984US4450485 Image scanning and recording method
05/22/1984US4450483 Circuit for improving the quality of digitized line images
05/22/1984US4450477 Television information system
05/22/1984US4450459 Differential encoding for fringe field responsive electro-optic line printers
05/22/1984US4450458 Multi-function reproduction apparatus
05/22/1984CA1167874A1 Facsimile sheet feeding apparatus
05/16/1984EP0108659A1 Method of encoding and decoding a picture, and devices for carrying out this method
05/16/1984EP0108626A2 Improvements in and relating to document scanners
05/16/1984EP0108625A2 Improvements in and relating to document scanners
05/16/1984EP0108623A2 Improvements in and relating to document scanners
05/16/1984EP0108480A2 Photoelectric conversion element
05/16/1984EP0108376A2 Spot-accurate re-engraving method for printing cylinders
05/16/1984EP0108308A2 Photoelectric conversion apparatus
05/16/1984EP0108162A1 Method and device for engraving printing formes, particularly intaglio printing formes
05/16/1984EP0108160A1 Method to adjust and monitor a light spot
05/16/1984EP0108126A1 Color reproduction system
05/15/1984US4449239 Method and circuit for segmentation of characters from a serially-read character sequence
05/15/1984US4449153 Light valve imaging apparatus and method having supplemental exposure control
05/15/1984US4449152 Copying machine
05/15/1984US4449151 Solid-state scanning apparatus
05/15/1984US4449150 Method of processing medium tone picture
05/15/1984US4449149 Facsimile apparatus
05/15/1984US4449147 Self-scanning photodiode array
05/15/1984US4449136 Driving system for thermal recording head
05/15/1984US4449046 Start of line detection and synchronization circuit for optical scanning systems
05/15/1984US4449033 Thermal print head temperature sensing and control
05/15/1984US4448867 Image forming method and device for same
05/15/1984US4448513 Image information recording apparatus
05/15/1984US4448379 Light source mounting bracket for a facsimile document scanner
05/15/1984CA1167561A1 Facsimile apparatus with multiple scanning and printing elements
05/15/1984CA1167560A1 Facsimile method and apparatus
05/15/1984CA1167559A1 Blank jumping teleprinting method and apparatus
05/15/1984CA1167558A1 Imaging system and method with improved boundary detection
05/15/1984CA1167512A1 Electrophotographic color printing method and apparatus
05/15/1984CA1167310A1 Light pick-up device
05/08/1984US4447833 Method for producing a halftone plate
05/08/1984US4447832 Reproducing machine
05/08/1984US4447831 Method and apparatus for encoding graphics
05/08/1984US4447830 Image scanning apparatus and method
05/08/1984US4447829 Facsimile transmission arrangement
05/08/1984US4447821 Method and apparatus of electrostatic recording