Patents
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
09/1996
09/25/1996EP0734153A2 Image processing apparatus for performing random mask process
09/25/1996EP0734152A2 Improved multi-dot dither matrix generation
09/25/1996EP0734151A1 Size modulated stochastic screening
09/25/1996EP0734150A2 Adaptive error diffusion method
09/25/1996EP0734149A2 Method of processing image data
09/25/1996EP0734148A1 Time modulated stochastic screening
09/25/1996EP0734147A1 Intensity modulated stochastic screening for preparing a lithographic printing plate
09/25/1996EP0734146A2 Method and apparatus for adaptive image processing
09/25/1996EP0734145A2 Image recording apparatus with standard paper size cutting mode
09/25/1996EP0734126A1 Two-stage compression with runlength encoding and lempel-ziv encoding
09/25/1996EP0733991A2 High density two dimensional symbol set
09/25/1996EP0733978A1 Network interface board for digital copier
09/25/1996EP0733965A1 Parallel processing of page description language data stream
09/25/1996EP0733962A2 Signal processing techniques based upon optical devices
09/25/1996EP0733958A2 Image processing apparatus
09/25/1996EP0733292A1 Picture data recording apparatus and picture data reproducing apparatus
09/25/1996CN1131873A Apparatus for encoding image signal having still object
09/25/1996CN1131868A Contour approximation apparatus for representing contour of object
09/25/1996CN1131769A Information reproducer and information creating unit
09/25/1996CN1131755A Image forming apparatus and process cartridge
09/24/1996US5559936 Data retrieval system, display apparatus and method of recording and displaying
09/24/1996US5559903 Method for generating geometric masks with a digital color computer
09/24/1996US5559899 Method for the adaptive quantization of a range of input values
09/24/1996US5559831 Circuitry for decoding huffman codes
09/24/1996US5559793 Echo cancellation system and method
09/24/1996US5559721 Multi-media information transfer system
09/24/1996US5559612 Image reading device with black and white platen
09/24/1996US5559611 Facsimile store and forward system with local interface
09/24/1996US5559610 Image processing apparatus
09/24/1996US5559609 Facsimile transceiver
09/24/1996US5559604 Color matching apparatus for reproducing the same color under different illuminants
09/24/1996US5559559 Transmitting a secondary signal with dynamic injection level control
09/24/1996US5559556 Apparatus for connecting an image sensor and an optical unit to a circuit board so that they are properly aligned
09/24/1996US5559070 Metal hydroxy silicates with heat resistance
09/24/1996US5558320 Lifting shoe for media handling and related cassette media holder
09/24/1996CA2152286C Facsimile terminal concentration equipment and remote operation control system therefor
09/24/1996CA2048852C Method and apparatus for improved job stream printing in an electronic printer
09/24/1996CA2048576C Generation of document covers in an electronic reprographic system using memory
09/24/1996CA2044726C Platen accessory for portable copier
09/19/1996WO1996028939A1 Method and apparatus for compression and decompression of digital color images
09/19/1996WO1996028929A1 Half-toning and printing method
09/19/1996WO1996028928A1 Process and arrangement for the simultaneous transmission of digitally compressed speech and still images
09/19/1996WO1996028926A1 Method and apparatus for verification of remotely accessed data
09/19/1996DE19609435A1 Document reverse feeder for automatic feed photocopiers, printer, facsimile
09/19/1996DE19602129A1 Method of producing documents in colour
09/19/1996DE19508545C1 Simultaneous reproduction of coloured still pictures on screen
09/19/1996CA2214878A1 Half-toning and printing method
09/19/1996CA2214828A1 Method and apparatus for compression and decompression of digital color images
09/18/1996EP0732859A2 Adaptive colour plane interpolation in an electronic single-sensor colour camera
09/18/1996EP0732858A2 Adaptive color plane interpolation in single sensor color electronic camera
09/18/1996EP0732844A2 Contrast correcting apparatus
09/18/1996EP0732843A2 Combined color halftoning
09/18/1996EP0732842A2 Image processing apparatus capable of properly determining density of a background portion
09/18/1996EP0732841A2 Halftone recording method and apparatus
09/18/1996EP0732840A2 Imaging device with beam steering capability
09/18/1996EP0732839A2 Digital image forming apparatus
09/18/1996EP0732655A1 Variable-length bit data processing circuit and method
09/18/1996EP0732631A2 Line width controlling method of a toner image
09/18/1996EP0732629A1 Photoelectric sensor, information recording system, and information recording and reproducing method
09/18/1996EP0732283A1 Sheet conveying apparatus
09/18/1996EP0731946A1 Image coding by use of discrete cosine transforms
09/18/1996EP0731940A1 Modular portable computer
09/18/1996EP0648404A4 Modular notebook computer.
09/18/1996CN1131319A Decoder for decoding still picture data and data on with data length of still picture data is recorded, reproducing apparatus for reproducing recording medium, and reproducing method thereof
09/18/1996CN1131299A Image controller having printer
09/18/1996CN1131118A Immage processing unit
09/18/1996CN1131095A Halftone recording method and apparatus
09/17/1996USRE35329 Electronic blackboard and accessories such as writing tools
09/17/1996US5557728 Automated image retrieval and scaling into windowed displays
09/17/1996US5557715 Image processing device which designates memory locations by using X/Y coordinates of an image
09/17/1996US5557712 Color map tables smoothing in a color computer graphics system avoiding objectionable color shifts
09/17/1996US5557709 Method and apparatus for dither array generation to reduce artifacts in halftoned images
09/17/1996US5557708 Method and apparatus for outputting a binary bit data message from bytes representing strings of contiguous bits of equal value
09/17/1996US5557707 Image forming apparatus with a scanner and method of controlling the same
09/17/1996US5557688 Method of extracting characteristic image data and color data conversion device for image processing apparatus
09/17/1996US5557662 Communication apparatus capable of utilizing portable device
09/17/1996US5557451 Document processing with infra-red extraction
09/17/1996US5557449 Laser beam scanning apparatus for controlling diameter of light spot
09/17/1996US5557438 Scanning and tracking using rotating polygons
09/17/1996US5557430 Image processing apparatus generating patterns for colors based on a set relation between colors and patterns and synthesizing patterns with extracted monochromatic information
09/17/1996US5557429 Image signal processing apparatus
09/17/1996US5557428 Color image forming apparatus which changes color image processing based on properties of a recording medium
09/17/1996US5557427 Image forming apparatus with means for detecting sheet thickness
09/17/1996US5557426 Image information signal processing apparatus
09/17/1996US5557425 Facsimile device for use in ISDN and method of controlling same
09/17/1996US5557416 Image processing apparatus and method thereof for adding a predetermined pattern to an image
09/17/1996US5557413 Image output apparatus
09/17/1996US5557412 Image forming method and apparatus for counterfeit protection using image synthesis accounting for forming conditions
09/17/1996US5557390 Digital copier system
09/17/1996US5557367 Method and apparatus for optimizing scheduling in imaging devices
09/17/1996US5557333 System for transparent transmission and reception of a secondary data signal with a video signal in the video band
09/17/1996US5557326 Method and apparatus for producing a false color image
09/17/1996US5557315 Digital printer using a modulated white light exposure source
09/17/1996US5557303 For recording an image
09/17/1996US5557276 In a quantizer used for a picture signal coder in a system
09/17/1996US5556809 Direct-contact type image sensor device, an image sensor unit, and methods for producing the same
09/17/1996CA2169902A1 Combined color halftoning
09/12/1996WO1996027978A1 Emulation of a halftone printed image on a continuous-tone device
09/12/1996WO1996027977A1 Process for storing an image having a predeterminable data size
09/12/1996WO1996027976A1 Process and device for generating a grey composite proof