Patents
Sitemap › H04 - Electric communication technique › H04N - Pictorial communication, e.g. television › H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
06/1995
06/14/1995DE4443776A1 Photocopier with copy-protection sensing on input media
06/14/1995CN1103725A Image forming apparatus and method
06/13/1995US5425135 Parallel interface for printer
06/13/1995US5425134 Method of converting colorimetric values into amount of print color material
06/13/1995US5425113 Method and apparatus for performing various types of image processing in one operation
06/13/1995US5425112 Method for optimizing frequency-modulated rasters upon utilization of threshold hills
06/13/1995US5425082 Communication processing apparatus, communication processing system, and communication processing method
06/13/1995US5425081 Facsimile arrangement
06/13/1995US5424856 Color image reading apparatus
06/13/1995US5424855 Control circuit for array of light-emitting diodes
06/13/1995US5424854 Image processing apparatus for half-tone processing and reproducing high speed images of different resolutions
06/13/1995US5424852 Image processing apparatus
06/13/1995US5424846 Cylinder support apparatus and method for use in an engraver
06/13/1995US5424845 Apparatus and method for engraving a gravure printing cylinder
06/13/1995US5424844 Copy machine managing system and facsimile machine used therein
06/13/1995US5424822 Three-dimensional color image printer
06/13/1995US5424821 Control of intermingled copy sheets having different characteristics in paper path
06/13/1995US5424807 Image processing apparatus with forgery prevention system
06/13/1995US5424780 Apparatus and method for spacial scan modulation of a video display
06/13/1995US5424774 Image sensing apparatus
06/13/1995US5424772 Mode changing device for still video camera and still video camera used therewith
06/13/1995US5424765 Scanning device with resonant light reflector
06/13/1995US5424763 Color misregistration-free color image forming apparatus
06/13/1995US5424755 Digital signal video color compression method and apparatus
06/13/1995US5424729 Function selecting operation panel
06/13/1995US5424537 Calibrated color scanner
06/13/1995US5424531 Method and apparatus for coupling an optical lens to an imaging electronics array
06/13/1995US5423526 Sheet supplying apparatus
06/13/1995US5423512 Mirror smudge detecting apparatus for an image forming apparatus
06/13/1995CA2044558C Methods and apparatus for cymk-rgb ramdac
06/13/1995CA2039854C Communicating apparatus
06/13/1995CA1335904C Color image transmission system
06/08/1995WO1995015648A1 Method and circuit assembly outputting videotext
06/08/1995WO1995015644A1 System and method for varying the transmission rate of facsimile data in a telecommunication system
06/08/1995WO1995015531A1 Image coding by use of discrete cosine transforms
06/08/1995CA2173746A1 Image coding by use of discrete cosine transforms
06/07/1995EP0656723A1 Method of and system for enciphering image information
06/07/1995EP0656722A1 Electrographic copying machine
06/07/1995EP0656721A2 Facsimile apparatus
06/07/1995EP0656720A2 Facsimile apparatus capable of performing data communications with computer and controlling method thereof
06/07/1995EP0656718A2 Dual port interface for a computer-based multifunction personal communication system
06/07/1995EP0656589A2 Digital image forming apparatus
06/07/1995EP0656570A1 Image forming apparatus
06/07/1995EP0531455A4 Method and apparatus for encoding and decoding using wavelet-packets
06/06/1995US5422995 Method and means for fast writing of run length coded bit strings into bit mapped memory and the like
06/06/1995US5422963 Block transform coder for arbitrarily shaped image segments
06/06/1995US5422753 Binary diffraction optical element for controlling scanning beam intensity in a raster output scanning (ROS) optical system
06/06/1995US5422743 Process for repairing defects in electronic page images of a print job
06/06/1995US5422742 Method and apparatus for generating halftone images by discrete one-to-one dither tile rotation
06/06/1995US5422741 Machine for producing photographic color prints from both images captured on film and digitally encoded images
06/06/1995US5422740 Image forming apparatus which effects output gray level correction
06/06/1995US5422739 Color expressing method, color image reading apparatus and color image processing apparatus
06/06/1995US5422738 Color image forming method and an apparatus employed therefor, and a correction factor determining method
06/06/1995US5422737 Device for mounting an original onto an image reading drum
06/06/1995US5422735 Image processing method and image processing apparatus
06/06/1995US5422734 Method for arithmetically encoding half-tone image in image processing system
06/06/1995US5422733 Method and apparatus for facsimile communication of first and second type information with selective call communication systems
06/06/1995US5422732 Facsimile apparatus
06/06/1995US5422727 Facsimile apparatus having magnetic tape recording apparatus for data storage
06/06/1995US5422537 Illumination unit and image reading apparatus
06/06/1995US5422511 Image sensor utilizing photo diode, blocking diode and clamping diode
06/06/1995US5421937 Methods of fabricating a plotter drum
06/06/1995US5421779 Composite recording materials, facsimile instruction labels and method of delivering hard copies of confidential messages using the same
06/06/1995US5421649 Drawing means of movable base board for optical scanner
06/06/1995CA1335795C Method and apparatus for color separation scanning
06/06/1995CA1335794C Process and apparatus for image magnification
06/01/1995WO1995015058A1 Interactive communications system with data distribution
06/01/1995WO1995015053A1 Radiograph digitizer
06/01/1995WO1995015052A1 Process and device for compensating pyramidal errors
06/01/1995WO1995014965A1 Modular portable computer
06/01/1995DE4442426A1 Transmitting digital input image data
06/01/1995DE4437790A1 Channel modulation process for finite state machine with error correction and entropy coding
05/1995
05/31/1995EP0655866A2 Video code conversion with an optimum conversion speed which matches a reproduction speed of a reproducing unit
05/31/1995EP0655859A2 Data processing method and apparatus
05/31/1995EP0655858A1 Gray scale printing using spatial light modulators
05/31/1995EP0655857A2 Image processing apparatus
05/31/1995EP0655856A2 Image processing apparatus
05/31/1995EP0655855A2 Wedge scanner utilizing two dimensional sensing arrays
05/31/1995EP0655854A1 Image communicating apparatus
05/31/1995EP0655853A2 Image processing circuit
05/31/1995EP0655852A2 Facsimile apparatus capable of connecting with computer
05/31/1995EP0655712A2 Image processing method and apparatus
05/31/1995EP0655708A1 Semiconductor laser exposure device
05/31/1995EP0655707A1 Semiconductor laser exposure device
05/31/1995EP0655695A1 Image filing apparatus
05/31/1995EP0655694A2 Discrete cosine transform processor
05/31/1995EP0655680A1 Arithmetic logic unit having plural independent sections and register storing resultant indicator bit from every section
05/31/1995EP0655349A1 Method and apparatus for handling documents at a high volume scanner
05/31/1995CN1103169A Image printer
05/30/1995US5420979 Method and apparatus for using composite transforms to form intermediary image data metrics which achieve device/media compatibility for subsequent imaging applications
05/30/1995US5420943 Universal computer input device
05/30/1995US5420938 Image processing apparatus
05/30/1995US5420923 Addressed messaging in a cable television system
05/30/1995US5420922 System for the safe transmission of messages
05/30/1995US5420714 Device for beam division
05/30/1995US5420712 Scanning device
05/30/1995US5420705 Secondary quantization of digital image signals
05/30/1995US5420704 Method and apparatus for the analysis of color casts in color originals
05/30/1995US5420703 Color image processing system having multi-image processing capabilities
05/30/1995US5420702 Method for preparing polychromatic printing plates
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