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)
03/1996
03/21/1996WO1996008928A1 Video compression method
03/21/1996WO1996008919A1 System and method for enhancing the sharpness of a colour image
03/21/1996WO1996008918A1 A real-time three-dimensional color look-up table interactive editor system and method
03/21/1996WO1996008917A1 A color correction system and method utilizing dithering
03/21/1996WO1996008916A1 Method and system for analytic generation of multidimensional color lookup tables
03/21/1996WO1996008915A1 Hsl neighborhoods in cmy color space
03/21/1996WO1996008914A1 Hsl corrections in cmy color space
03/21/1996WO1996008913A1 Black recalculation for arbitrary hsl corrections in cmy color space
03/21/1996WO1996008759A1 Micro personal digital assistant
03/21/1996DE19534081A1 Paper sheet separating and feeding appts e.g. for document scanner
03/20/1996EP0702490A1 Cordless telephone equipped with an image processing device and a camera
03/20/1996EP0702483A2 Method of producing colour information from records of substantially the same hue
03/20/1996EP0702482A2 Error diffusion halftoning with homogeneous response in high/low intensity image regions
03/20/1996EP0702481A1 Loss of carrier detector in a facsimile modem
03/20/1996EP0702480A2 Image processing apparatus and method therefor
03/20/1996EP0702274A2 Priority interrupt during editing mode
03/20/1996EP0701762A1 Interactive system for a closed cable network
03/20/1996EP0701755A1 Digital image compression using tile subdivision
03/20/1996EP0685140A4 Continuous diffuse illumination method and apparatus.
03/20/1996CN1118972A Variable length coding method for use in a digitized video encoding system
03/20/1996CN1118903A Print N-tone images with imperceptible dots
03/20/1996CN1118898A Methods to print N-tone images with multi-leveling techniques
03/20/1996CN1118892A Copying apparatus capable of changing original feed order
03/20/1996CN1118888A An image forming apparatus
03/20/1996CA2157628A1 Method of sharpening image contours of digitized images
03/19/1996US5500922 Printer apparatus for enlarging or reducing the size of characters
03/19/1996US5500921 Method and apparatus for printing high fidelity color reproductions of colors displayed on a monitor
03/19/1996US5500907 Image signal analyzing system
03/19/1996US5500859 Voice and data transmission system
03/19/1996US5500746 Color image input apparatus
03/19/1996US5500745 Image reading device capable of performing shading correction
03/19/1996US5500744 Method and appparatus for image scaling using parallel incremental interpolation
03/19/1996US5500743 Image reproduction apparatus
03/19/1996US5500742 Control unit of flash memory and facsimile machine using such control unit
03/19/1996US5500738 Electrophotographic digital copier for providing bicolor copies by a single image transfer
03/19/1996US5500727 Multi-color image formation apparatus and method for preventing the contamination of a recharger and preventing color mixing in an image
03/19/1996US5500725 Original document reading device capable of automatically detecting the size of an original document
03/19/1996US5500713 Color printer for printing photographs
03/19/1996US5500677 Device for encoding digital signals representing images, and corresponding decoding device
03/19/1996US5500670 Asymmetric spatial filtering for pulsed imaging, pulse width modulation raster output scanner with tri-level exposure
03/19/1996US5500661 Ink jet recording method
03/19/1996US5500572 High resolution image source
03/14/1996WO1996008014A1 Still picture system
03/14/1996WO1996007986A2 Vlsi circuit structure for implementing jpeg image compression standard
03/14/1996DE19531049A1 Table with codes of variable length, e.g. for image data processing
03/13/1996EP0701377A2 Image information encoding/decoding apparatus
03/13/1996EP0701363A2 Method and apparatus for generating halftone dot screens for color imaging
03/13/1996EP0701362A2 Color image reproduction of scenes with color enhancement and preferential tone mapping
03/13/1996EP0701361A2 A facsimile machine
03/13/1996EP0701158A2 Apparatus for recording images on interior surface of cylinder
03/13/1996EP0700547A1 Method and apparatus for storing compressed data for subsequent presentation on an active addressed display
03/13/1996EP0544735B1 Process and device for transformation of image data
03/13/1996CN1118553A Picture information processing method and apparatus
03/13/1996CN1118537A Huffman decoder
03/13/1996CN1118484A Document image processor with defect detection
03/12/1996US5499361 Density processing method
03/12/1996US5499321 Printing method for use with dot printer
03/12/1996US5499305 Method and apparatus for coalescing a grayscale image and rendering the coalesced grayscale image as a binary image
03/12/1996US5499294 Digital camera with apparatus for authentication of images produced from an image file
03/12/1996US5499287 FAX-telephone interface circuit
03/12/1996US5499114 Digital image scanning apparatus with pixel data compensation for bad photosites
03/12/1996US5499113 Image data processing system with still video camera and digital image forming apparatus
03/12/1996US5499112 Light guide, illuminating device having the light guide, and image reading device and information processing apparatus having the illuminating device
03/12/1996US5499111 Image signal processing apparatus
03/12/1996US5499110 Image processing apparatus for synthesizing different input data without using hard copy
03/12/1996US5499109 System for transferring messages between input and output devices in a communication device
03/12/1996US5499108 Document-driven scanning input device communicating with a computer
03/12/1996US5499107 Laser beam optical scanning system
03/12/1996US5499101 Image forming apparatus which avoids copying insignificant information
03/12/1996US5499093 Electrostatographic single-pass multiple station printer with register control
03/12/1996US5499092 Method and a color image forming apparatus forming a positioning mark
03/12/1996US5499079 Image density control apparatus and method for controlling image density on a photoconductor surface
03/12/1996US5499044 Method of producing positive prints from digital image signal data using a film recorder
03/12/1996US5499040 Method and apparatus for display calibration and control
03/12/1996US5498879 Apparatus for the optical recognition of documents by photoelectric elements having vision angles with different length and width
03/12/1996US5498869 Apparatus for wobble correction using an agile beam polygon ROS and all-spherical optics
03/12/1996US5497986 Automatic document feeder
03/12/1996CA2046549C Methods for sheet scheduling in an imaging system having an endless duplex paper path loop
03/12/1996CA2030759C Recording apparatus
03/07/1996WO1996007271A1 Still picture system
03/07/1996WO1996007269A1 Interface card with an electronic camera and method of use therefor
03/07/1996WO1996007268A1 True zoom capability on a spot scanning electronic printer
03/07/1996WO1996007240A1 Compensated phase locked loop for generating a controlled output clock signal
03/07/1996DE4436678A1 Multi-Tonabstufungs-Bildbearbeitungssystem Multi-Tonabstufungs image processing system
03/07/1996CA2198733A1 True zoom capability on a spot scanning electronic printer
03/07/1996CA2198101A1 Compensated phase locked loop for generating a controlled output clock signal
03/07/1996CA2194996A1 Interface card with an electronic camera and method of use therefor
03/06/1996EP0700213A2 Motion picture encoding method and apparatus
03/06/1996EP0700198A2 System for correcting color images using tetrahedral interpolation over a hexagonal lattice
03/06/1996EP0700197A1 Method and apparatus for producing a hybrid data structure for displaying a raster image
03/06/1996EP0700196A2 Method and apparatus for image scaling using parallel incremental interpolation
03/06/1996EP0700195A2 Method of calibration of image scanner signal processing circuits
03/06/1996EP0699308A1 Optical scanning apparatus
03/06/1996EP0699297A1 Bidirectional toning process
03/06/1996EP0658263A4 Improved vector quantization.
03/06/1996EP0516781B1 Flare minimization in split v-roof mirror collector
03/06/1996EP0515665B1 Color and tone scale calibration apparatus, system and method for a printer using electronically-generated input images
03/06/1996EP0500898B1 Multiresolution digital imagery photofinishing system
03/06/1996EP0489173B1 Device for forming image
03/06/1996EP0455771B1 Copier with auto scaling, auto paper select, and window scaling
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