Patents
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
08/1986
08/19/1986US4607291 Image forming apparatus
08/19/1986US4607290 Image information filing apparatus
08/19/1986US4607289 Facsimile transceiver capable of storing and relaying data
08/19/1986US4607268 Multiple needle recording electrode
08/19/1986US4607267 Optical ink jet head for ink jet printer
08/19/1986US4607262 Thermal head drive circuit
08/19/1986US4607138 Method of controlling a printing apparatus
08/19/1986CA1210133A1 Document scanners
08/14/1986WO1986004703A1 Electronic publishing
08/14/1986WO1986004550A1 Method and apparatus for high resolution ink jet printing
08/13/1986EP0190901A2 Thermal transfer printing apparatus
08/13/1986EP0190884A2 ABS compositions having trimodal rubber particle distributions and process
08/13/1986EP0190550A1 Interactive method for consulting a memory store for television quality pictures by means of a distributor connected with an information transmission network, and system therefor
08/13/1986EP0190544A2 System for the digital processing and display of images
08/13/1986EP0190329A1 Video disk apparatus providing organized picture playback.
08/12/1986US4606069 Apparatus and method for compression of facsimile information by pattern matching
08/12/1986US4606068 Video compressor for video format unit
08/12/1986US4605972 Image forming method
08/12/1986US4605971 Document reading device
08/12/1986US4605970 Method and apparatus for calibrating an optical document digitizer
08/12/1986US4605957 Machine and method for picture reproduction with steadily variable reproduction scale
08/12/1986US4605954 Method of and arrangement for adjusting color saturation in a video printer
08/12/1986US4605938 Thermal transfer recording apparatus
08/12/1986US4605323 Dual quality wire matrix print head
08/12/1986CA1209486A1 Method and electrically controllable scanning device for moire-free scanning of rastered masters
08/12/1986CA1209401A1 Color removal dependent on tone
08/12/1986CA1209387A1 Light collection apparatus for a scanner
08/06/1986EP0190045A2 Image recording method and its apparatus
08/06/1986EP0189664A2 Line exposure array
08/05/1986US4604668 Portable television camera and recording unit
08/05/1986US4604654 Image forming method and apparatus
08/05/1986US4604527 Apparatus for point-by-point reading of documents using photodetector matrix
08/05/1986US4603966 Film video player/printer with cropping control
08/05/1986CA1209244A1 Compaction and decompaction of non-coded information bearing signals
08/05/1986CA1209243A1 Document scanners
08/05/1986CA1208951A1 Solid-state laser scanning system
07/1986
07/30/1986EP0189325A2 Picture information processing system
07/30/1986EP0189238A1 Image enhancement
07/30/1986EP0189206A2 Method of adjusting radiation image read-out conditions
07/30/1986EP0188865A2 Information communication apparatus
07/30/1986EP0188800A2 Apparatus for the compression of dithered image data
07/30/1986EP0188760A2 Device for optical scanning using a photoelectric linear detector
07/29/1986US4603431 Method and apparatus for vectorizing documents and symbol recognition
07/29/1986CA1208797A1 Document and data handling and retrieval system
07/29/1986CA1208779A1 Device for optically scanning a document
07/29/1986CA1208764A1 System for time compression and/or expansion of electrical signals
07/23/1986EP0188193A2 Method and apparatus for processing image data
07/23/1986EP0188098A1 Video retouching systems
07/23/1986EP0188023A1 A method of exposing a light-sensitive layer and exposure device
07/23/1986EP0187911A2 Method and apparatus for thresholding image data
07/23/1986EP0187837A1 Method for making impression cylinders for a seamless, respectively endless pattern, by means of block engraving machines.
07/23/1986CN85108819A Improved electrographic writing head
07/22/1986US4602383 Image data compression system
07/22/1986US4602296 Sound recording apparatus for electronic still camera
07/22/1986US4602294 Image reproducing method having a retouching function and an apparatus embodying the same
07/22/1986US4602293 Manuscript reading apparatus
07/22/1986US4602291 Pixel non-uniformity correction system
07/22/1986US4602262 Printing apparatus with shifting of head or drum to improve resolution
07/22/1986US4602156 Gradation correcting method for light-sensitive material
07/22/1986US4602154 Photodetector for generating position signals
07/22/1986US4601568 Document-scanning control apparatus for image-forming apparatus
07/22/1986CA1208383A1 Color information input system for electronic blackboard
07/22/1986CA1208363A1 Scanner document positioning device
07/22/1986CA1208187A1 Method and apparatus for correcting image distortions
07/16/1986EP0187724A2 Halftone picture processing apparatus
07/16/1986EP0187646A2 Method and apparatus for generating a pixel synchronising signal in an image scanning and image reproducing apparatus
07/16/1986EP0187534A2 Color signal processing apparatus with a signal interpolation function for use in a color copier
07/16/1986EP0187427A1 X-ray photographic apparatus
07/15/1986US4601058 Image reader for facsimile apparatus or the like
07/15/1986US4601056 Video correlator for video format unit
07/15/1986US4600951 Scanning sample, signal generation, data digitizing and retiming system
07/15/1986US4600843 Photoelectric conversion apparatus
07/15/1986US4600837 Optical scanning apparatus with dynamic scan path control
07/15/1986US4600266 Light beam scanning apparatus with a variable scanning width
07/15/1986CA1207909A1 Adaptive threshold circuit for image processing
07/15/1986CA1207886A1 Method and apparatus for coding pictorial information for efficient storage, transmission and reproduction
07/15/1986CA1207885A1 Method of processing picture signal to increase average run length and apparatus therefor
07/15/1986CA1207824A1 Scanning apparatus and method
07/09/1986EP0186883A2 Electronic still camera with audio recording feature
07/08/1986US4599657 Image pick-up device
07/08/1986US4599656 Processing of gray scale image pels to facilitate data compression
07/08/1986US4598999 Area detection method of an original for use in copying machines
07/08/1986CA1207419A1 Photosensor
07/02/1986EP0186651A2 Thermal recording system and method
07/02/1986EP0186594A2 Information signal reproducing apparatus
07/02/1986EP0186508A2 Device for distributive dot printing
07/02/1986EP0186059A2 Thermal print head
07/02/1986EP0185764A1 Magnetic recording/reproducing apparatus
07/02/1986EP0185662A1 Apparatus for producing clock signals for scanner.
07/02/1986CA1207064A Method and arrangement for intensifying contrast
07/02/1986CA1206984A Scanning apparatus and method
07/02/1986CA1206983A Scanning apparatus and method
07/02/1986CA1206799A Method and device for producing color proofs in multicolor printing
07/01/1986US4598372 Apparatus and method of smoothing MAPS compressed image data
07/01/1986US4598323 Image processing apparatus
07/01/1986US4598283 Method for converting the number of bits of input bit stream
07/01/1986US4598282 Video retouching system
07/01/1986US4598200 Radiation image read-out apparatus
06/1986
06/25/1986EP0185498A2 Imaging sensing and processing apparatus and method
06/25/1986EP0185487A2 Electronic image scanner with colour matrix image enhancement