Patents
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
10/1986
10/07/1986US4616269 Document reader
10/07/1986US4616268 Method and system for increasing use efficiency of a memory of an image reproducing system
10/07/1986US4616267 Overcurrent detection and protection method for photomultiplier
10/07/1986US4616266 Method and apparatus for electrically controllable scanning device for moire-free scanning of rastered masters
10/07/1986US4616263 Video subsystem for a hybrid videotex facility
10/07/1986US4616236 Image forming apparatus with color transfer material
10/07/1986US4616211 Detecting codewords
10/07/1986US4616132 Synchronization apparatus for scanner
10/07/1986US4616129 Light detecting apparatus
10/01/1986EP0196208A2 Hard copy recorder paper speed control
10/01/1986EP0196046A2 Image size reduction technique
10/01/1986EP0196044A2 Image input system
10/01/1986EP0196009A2 Electronic still camera
10/01/1986EP0196006A2 Image sensor apparatus
10/01/1986EP0195925A2 Method for converting image gray levels
09/1986
09/30/1986US4614978 Office communications system
09/30/1986US4614977 Still picture signal conversion apparatus capable of trimming operation
09/30/1986US4614976 Document reader
09/30/1986US4614972 Teletext receiver
09/30/1986US4614967 Method and apparatus for reproducing a color image using additive and subtractive primary colors
09/30/1986US4614966 Electronic still camera for generating long time exposure by adding results of multiple short time exposures
09/30/1986US4614954 Recording apparatus
09/30/1986US4614908 Microdeflector probe for electrostatic voltmeters
09/30/1986US4614408 Electrooptic device for scanning and information modulating a plurality of light beams
09/30/1986CA1212177A1 Image storage system
09/25/1986WO1986005643A1 Method for determining the color of a scene illuminant from a color image of the scene
09/25/1986WO1986005642A1 Apparatus for scanning and sampling real images
09/25/1986WO1986005641A1 Apparatus and method for forming digital images
09/25/1986WO1986005610A1 Computer based drawing management system
09/25/1986WO1986005597A1 An optical scanner
09/24/1986EP0195563A1 Image processing
09/24/1986EP0195526A2 Method and apparatus for two-dimensional facsimile coding and decoding
09/24/1986EP0195372A2 Method and apparatus for forming 3x3 pixel arrays and for performing programmable pattern contingent modifications of those arrays
09/24/1986EP0195258A2 Facsimile device
09/24/1986EP0195021A1 Electrooptic scanning and modulating device
09/24/1986CN86101788A Optical image scanner
09/23/1986US4613987 Image scanning arrangement
09/23/1986US4613986 Digital filter for enhancement of document images
09/23/1986US4613948 Conditional quantization grey level and color image coding apparatus
09/23/1986US4613910 Still picture to television signal conversion system
09/23/1986US4613907 Facsimile receiver
09/23/1986US4613897 Reproduction of colored images
09/23/1986US4613896 Methods and apparatus for avoiding moire in color scanners for graphic art
09/23/1986US4613877 High resolution laser printer
09/23/1986US4613876 Laser recording system
09/23/1986US4613759 Small photoelectric reading apparatus
09/23/1986US4613753 Photoelectric converting apparatus for optical scanning system
09/17/1986EP0194689A2 Method and apparatus for input picture enhancement by removal of undesired dots and voids
09/17/1986EP0194597A2 Movement controlling method for image portions to be recorded
09/17/1986EP0194345A2 Method and apparatus for improving gray scale resolution in an ink jet printing system
09/17/1986EP0120911B1 Film video player
09/17/1986EP0119188B1 Method and apparatus for forming gravure cells in a gravure cylinder
09/17/1986EP0110923B1 Device for scanning and storing optical information on a planar substrate
09/16/1986US4612584 Screen gravure engraving system for electromechanical engravers
09/16/1986US4612582 Liquid cooled cathode ray tube assembly for video image projection systems
09/16/1986US4612555 Laser beam scanner apparatus
09/16/1986US4612144 Method of making light guide member
09/16/1986US4611910 Range finder
09/16/1986US4611903 Image forming apparatus with reduced image forming time
09/16/1986US4611361 Sheet materials for cleaning conveying rolls and guides of a facsimile apparatus
09/16/1986CA1211495A1 Electronic print board
09/12/1986WO1986005344A1 Process and device to preserve secrecy in data processing
09/10/1986EP0194115A2 Portable laser diode scanning head
09/10/1986EP0193551A1 Apparatus and method for editing electronically-displayed pictures
09/10/1986EP0193528A1 Ccd television camera
09/10/1986CN85201487U Colour transmission system controlled and coded by microprocessor
09/09/1986US4611349 Halftone image scaling
09/09/1986US4611348 Apparatus for altering the spatial characteristics of a digital image by polynomial interpretation using sets of arithmetic processors
09/09/1986US4611246 Handy reader/printer apparatus
09/09/1986US4611218 Thermal head positioning apparatus with ribbon cassette
09/09/1986US4611217 Thermal transfer color gradation printing apparatus
09/09/1986US4610536 Laser scanning and printing apparatus
09/09/1986US4610529 Apparatus for recording color images
09/09/1986CA1211203A1 Light arrangement for scanner-digitizer
09/09/1986CA1211053A1 Colour scanners
09/09/1986CA1210988A1 Thermal recording system
09/03/1986EP0193443A1 Time delay and integration device
09/03/1986EP0193410A2 Data communication apparatus
09/03/1986EP0193350A1 Optical scanner
09/03/1986EP0193304A2 Image sensor manufacturing method
09/02/1986US4610027 Method for converting a bit map of an image to a run length or run end representation
09/02/1986US4610026 Method of and apparatus for enlarging/reducing two-dimensional images
09/02/1986US4609946 Facsimile apparatus and duplicator
09/02/1986US4609927 Image recording apparatus with divided memory
09/02/1986US4609818 Opto-electronic scanning apparatus with rotary plate scanning element
09/02/1986US4609779 Teleconferencing graphics apparatus and system
09/02/1986US4609251 Rotary drive device
09/02/1986CA1210852A1 Device for an array of photo diodes arranged in a matrix
08/1986
08/28/1986WO1986005056A1 Dynamic gain adjuster for an image scanner
08/28/1986WO1986005055A1 Document resolution-adaption method and apparatus
08/27/1986EP0191829A1 Method for editing video still pictures.
08/27/1986CN85109129A Image reader for image processing apparatus
08/26/1986US4608607 Data compression device for picture processing apparatus
08/26/1986US4608596 System for colorizing video with both pseudo-colors and selected colors
08/26/1986US4608578 Braked media transport for laser scanners
08/26/1986US4607951 Compensating platen for dual mode image input terminals
08/26/1986US4607917 Electro-optical device
08/20/1986EP0191322A1 Arrangement for producing X-ray images using computer radiography
08/20/1986EP0191136A2 Colour-separated film production method by means of colour scanning, and apparatus therefor
08/20/1986EP0191135A2 Method and apparatus for reproducing colour separation pictures by scanning