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)
04/1989
04/18/1989US4823193 Data communication apparatus
04/18/1989US4823192 Reproduction apparatus
04/18/1989US4823189 Method and apparatus for creating a dither pattern
04/18/1989US4823184 For electrically analyzing video signals to detect change
04/18/1989US4823151 Multi-beam scanning system with sync signal generation based on single beam detection
04/18/1989US4823002 Deflection scanning optical system with reflecting sections
04/18/1989CA1252878A1 Individuality discriminating system
04/13/1989DE3732533A1 Schnittstelle zur verbindung eines computers mit einem telefax-geraet Interface for connection of a computer with a fax machine
04/12/1989EP0311529A2 Image sensor having charge storage regions
04/12/1989EP0311265A2 Method and apparatus for processing picture element (pel) signals of an image
04/12/1989EP0310961A2 Electronic image printing apparatus
04/12/1989EP0310891A1 Color scanner having monitoring apparatus capable of displaying a plurality of originals in parallel
04/12/1989EP0310829A2 Pre-print simulation apparatus
04/11/1989US4821336 Method and apparatus for simplifying runlength data from scanning of images
04/11/1989US4821335 Electronic blackboard
04/11/1989US4821334 Image processing apparatus
04/11/1989US4821321 Automatic secure transmission and reception of pictorial information
04/11/1989US4821312 Voice/data switch
04/11/1989US4821307 Image splitter for two-way imaging apparatus
04/11/1989US4821121 Electronic still store with high speed sorting and method of operation
04/11/1989US4821115 Color hard copy apparatus having simplified analog-to-digital conversion with adjustable threshold levels
04/11/1989US4821114 Opto-electronic scanning arrangement
04/11/1989US4821113 Full color, continuous tone laser diode photographic imaging apparatus and method using three laser diodes at predetermined frequencies
04/11/1989US4821111 Method of recording facsimile signals
04/11/1989US4821110 Method of and apparatus for correcting a read position error in subscanning direction of a line image sensor
04/11/1989US4821109 Generating half-tone representations
04/11/1989US4821108 Flexible image acquisition and processing system
04/11/1989US4821107 Multi-functional imaging apparatus
04/11/1989US4821099 Image reading means with controllable shading correction
04/11/1989US4821065 Recording apparatus having controllable recording beam states
04/11/1989CA1252559A1 Management communication terminal system
04/06/1989WO1989003159A2 Digital video compression system
04/06/1989WO1989003158A1 Digital video decompression system
04/06/1989WO1989003157A2 Digital video transmission system
04/06/1989WO1989003151A1 System for high resolution exposure address with coarser resolution exposing array
04/06/1989WO1989003150A1 Image discrimination
04/06/1989WO1989003149A1 Multiplexed array exposing system having equi-angular scan exposure regions
04/06/1989WO1989003148A1 Scan-multiplexed light valve printer with band-reducing construction
04/06/1989WO1989003065A1 Electronic reproduction apparatus with highlighting color
04/06/1989WO1989002832A1 Laser beam-induced colour printing
04/06/1989DE3832433A1 Method of producing a combined image, including a human representation, and device for it
04/06/1989DE3831427A1 Device for processing mixed data
04/05/1989EP0310464A1 Method for memorizing maps and method for reading the memorized maps
04/05/1989EP0310432A2 Data converter and image reader using the same
04/05/1989EP0310402A1 Pulley type continuously-variable speed-shifting device
04/05/1989EP0310388A1 Interactive image modification
04/05/1989EP0310175A1 Coding device for digital video signals, and decoding device therefor
04/05/1989EP0310098A2 Communication system having telephonic function
04/05/1989EP0310021A2 Gradation converting circuit employing lookup table
04/05/1989EP0310001A2 Facsimile communication apparatus
04/05/1989EP0309997A2 Data reading or writing method and apparatus
04/05/1989EP0309966A2 Facsimile circuit monitor system
04/05/1989EP0309884A2 Color image display apparatus
04/05/1989EP0309669A2 Method for scenery model aided image data reduction for digital television signals
04/05/1989EP0309655A2 Image processing apparatus and method
04/04/1989US4819193 Gradation processing method for color images
04/04/1989US4819188 Image processing apparatus
04/04/1989US4819101 Portable television camera and recording unit
04/04/1989US4819084 Method for printing the frame of a color television by using the liquid crystal filter
04/04/1989US4819083 Moving type image recording apparatus
04/04/1989US4819082 Manuscript reading device
04/04/1989US4819079 Data processing apparatus
04/04/1989US4819078 Electronic print board system
04/04/1989US4819073 Film video player apparatus with selective image composing controls
04/04/1989US4819072 Anti dazzle device for a charge transfer image sensor and an image sensor including such a device
04/04/1989US4819066 Image processing apparatus
04/04/1989US4819063 Data processing system with common channel for image and character data
04/04/1989US4819059 A blue and green light emitting diode with zinc selenium
04/04/1989US4819035 Color separation optical reading apparatus
04/04/1989US4819025 Image forming apparatus
04/04/1989US4818877 Source of illuminating radiation
04/04/1989US4818876 Image read-out apparatus employing a photomultiplier
04/04/1989US4818861 Film image reading out device
04/04/1989US4818857 Electrostatic image sensor having an electret which polarizes a photoconductive layer
04/04/1989US4818098 Apparatus and method of forming and projecting high precision optical images
04/04/1989CA1251963A1 Contour line scanner
03/1989
03/30/1989DE3829300A1 Method and device for scanning an object
03/29/1989EP0309224A1 Reproduction of coloured images
03/29/1989EP0309213A2 Color image processing apparatus
03/29/1989EP0309196A1 Page planning system
03/29/1989EP0309167A2 Method of decoding image data in run representation
03/29/1989EP0309149A1 Improvements relating to image processing
03/29/1989EP0308932A2 Method and device for scanning an object
03/29/1989EP0308858A2 Method of correcting color image data for obtaining proof image
03/29/1989EP0308492A1 Printer apparatus.
03/29/1989EP0308464A1 System for producing dithered images from continuous-tone image data.
03/29/1989EP0308463A1 Focusing for optical print heads
03/29/1989EP0187837B1 Method for making impression cylinders for a seamless, respectively endless pattern, by means of block engraving machines
03/28/1989US4817182 Truncated subband coding of images
03/28/1989US4817181 Image data processing system for image input device
03/28/1989US4817180 Image signal filtering
03/28/1989US4817177 Image transmission system
03/28/1989US4817174 Image processing apparatus
03/28/1989US4817050 Database system
03/28/1989US4816928 Apparatus for recording reproducing a still image and corresponding audio information in respective tracks on a disk with the audio compressed on segments of a track
03/28/1989US4816925 Image information processing apparatus for displaying image information obtained by scanning an original document or retrieved from an optical disc memory
03/28/1989US4816923 Two dimensional light beam scanner used in radiation image information readout
03/28/1989US4816922 Image information-reading apparatus
03/28/1989US4816921 Document reading apparatus
03/28/1989US4816920 Planar surface scanning system
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