Patents
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
09/1991
09/11/1991EP0446018A2 Image processing apparatus
09/11/1991EP0446008A2 Image processing method and apparatus
09/11/1991EP0445814A2 An apparatus in which a series of semiconductor chips electrically connected to each other are incorporated
09/11/1991EP0445469A1 Plain paper cartridge for facsimile machine
09/11/1991EP0445451A1 Image processor for producing antialiased images
09/11/1991EP0445450A1 Image processor mepping source pixel intensities to a limited range of display intensity values
09/11/1991CN1013916B Frame memory of delaying one-row for tv compound image
09/10/1991US5048114 Image reading and processing apparatus responsive to attributes for designating copying conditions
09/10/1991US5048112 Data decompression system and method
09/10/1991US5048109 Detection of highlighted regions
09/10/1991US5048106 Image reader
09/10/1991US5048105 Method and apparatus for enlarging or reducing images
09/10/1991US5048101 Electronic filing device
09/10/1991US5048078 System for communication over a telephone line between a facsimile apparatus and a computer
09/10/1991US5048073 Telephone line switching interface unit
09/10/1991US5047875 Recording system which can record signals from two fields for the composition of one picture
09/10/1991US5047871 Direction scaling method and apparatus for image scanning resolution control
09/10/1991US5047870 Image reproduction system utilizing single operation scanning/reproducing
09/10/1991US5047869 Recording device for electronic still camera
09/10/1991US5047868 Image data processing method for selective partial image display
09/10/1991US5047864 Colors video printer with monitor for displaying mixed video signals and character messages indicating printer operating conditions
09/10/1991US5047861 Method and apparatus for pixel non-uniformity correction
09/10/1991US5047853 Method for compresssing and decompressing color video data that uses luminance partitioning
09/10/1991US5047852 Adaptive transform encoder for digital image signal in recording/reproducing apparatus
09/10/1991US5047844 Color image processing apparatus
09/10/1991US5047843 Image reading method
09/10/1991US5047643 Radiation image read-out apparatus
09/10/1991US5047631 Self-referencing start of plot system and method
09/10/1991US5047625 Optical system of laser beam reader
09/10/1991US5046796 Apparatus for correcting scanning beams on basis of tilting of surface segments of polygonal mirror used in scanning pattern drawing apparatus
09/10/1991CA1288859C Method and apparatus for image data compression
09/05/1991WO1991013513A1 Image processor
09/05/1991WO1991013512A1 Raster print engine driver
09/05/1991WO1991013511A1 Process and device for producing a reproducible
09/05/1991WO1991013410A1 A technique for performing digital image scaling by logically combining or replicating pixels in blocks of differing group sizes
09/04/1991EP0445066A2 Method for preparing polychromatic printing plates
09/04/1991EP0444999A1 Telecopier with manual calling
09/04/1991EP0444953A2 Image processing apparatus
09/04/1991EP0444918A2 Data compression apparatus
09/04/1991EP0444869A2 Apparatus and method for detecting images
09/04/1991EP0444837A2 Video signal recording apparatus
09/04/1991EP0444737A2 Device for scanning a radiography
09/04/1991EP0444665A2 A laser scanning apparatus
09/04/1991EP0444651A2 Light deflecting apparatus
09/04/1991EP0444629A2 Image processing system
09/04/1991EP0444513A2 Recording and reproducing system
09/04/1991EP0444512A2 Recording and reproducing system
09/04/1991EP0444290A2 Method and system for reproducing monochromatic and color images using ordered dither and error diffusion
09/04/1991EP0444137A1 Method for orienting a dual mouse optical scanner
09/04/1991EP0444135A1 Electronic graphic arts screener.
09/04/1991EP0444083A1 Method for mapping scanned pixel data
09/04/1991CN1013821B Apparatus for generating an image from a digital video signal
09/03/1991US5046189 Facsimile apparatus and method of transmitting management information
09/03/1991US5046167 Video tape recorder with a video printing controller
09/03/1991US5046166 Digital electrophotographic copying apparatus
09/03/1991US5046163 Hand held internally illuminated video reading aid
09/03/1991US5046159 Image transmitting element and process for producing same
09/03/1991US5046122 Image compression device
09/03/1991US5046119 Method and apparatus for compressing and decompressing color video data with an anti-aliasing mode
09/03/1991US5046118 Tone-scale generation method and apparatus for digital x-ray images
09/03/1991US5046117 Image data scaling system
09/03/1991US5046027 Apparatus and method for processing and displaying images in a digital procesor based system
09/03/1991US5045967 Multi-color image forming apparatus
09/03/1991US5045953 Image data transmission apparatus with detachable reader
09/03/1991US5045952 Method for edge enhanced error diffusion
09/03/1991US5045951 Video signal processor and video signal processing method for a video printer
09/03/1991US5045949 Image recording apparatus for recording still image and letters without distortion
09/03/1991US5045938 Method and apparatus for encoding using variable length codes
09/03/1991US5045935 Electronic endoscope system including image processing unit with photographing unit
09/03/1991US5045933 Method and apparatus for color correcting digitized images
09/03/1991US5045932 Method and apparatus for generating a high definition electronic signal from a line scan of a color original
09/03/1991US5045931 Method of and apparatus for recording halftone images and halftone images produced thereby
09/03/1991US5045925 Apparatus for achieving compression encoding on components of image signal
09/03/1991US5045698 Radiation image information recording and reading system
09/03/1991US5045686 Semiconductor optical-reading device
09/03/1991CA1288516C Apparatus and method for communicating textual and image information between a host computer and a remote display terminal
08/1991
08/29/1991DE4106209A1 Storing image data in video communication system - opening image data and control signal banks, and storing side data of image data
08/29/1991DE4007716A1 Positioning document for copying - controlling by computer and digitally illuminating by laser to match length and breadth of printing plate
08/28/1991WO1991013514A1 Adaptive block size image compression method and system
08/28/1991EP0443887A1 Optical scanning apparatus for documents
08/28/1991EP0443872A2 Image communication system
08/28/1991EP0443851A1 Improvements relating to image processing
08/28/1991EP0443833A2 Image communication apparatus
08/28/1991EP0443832A1 Image communicating apparatus
08/28/1991EP0443808A1 Image communicating apparatus
08/28/1991EP0443804A2 Facsimile apparatus
08/28/1991EP0443783A1 Image scanning apparatus
08/28/1991EP0443716A2 Image communication apparatus
08/28/1991EP0443612A1 Controller of motors
08/28/1991EP0443554A2 A facsimile apparatus
08/28/1991EP0443545A2 Magnetic recording and reproducing system
08/28/1991EP0443510A2 Mode switching system for a pixel based display unit
08/28/1991EP0443486A2 Picture processing apparatus
08/28/1991EP0443247A2 Image communicating apparatus
08/28/1991EP0443245A2 Ink jet recording apparatus
08/28/1991EP0443114A2 Method and apparatus for image-data decompression
08/28/1991EP0442974A1 Digital image processing and display system
08/28/1991CA2035372A1 Gradation record printer
08/27/1991US5043924 Method and apparatus for scanning an object
08/27/1991US5043827 Combined asynchronous-synchronous document scanner