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)
10/1990
10/30/1990US4967212 Image recorder
10/30/1990US4967211 Printing machine with toner density balance in solid areas and line strokes
10/30/1990US4967203 Interlace printing process
10/30/1990US4967192 Light-emitting element array driver circuit
10/30/1990US4967079 Method of recognizing irradiation field
10/30/1990US4967073 Light scanning device having a synchronizing grid with a phase-detected starting point area
10/30/1990US4966443 Light beam scanner
10/30/1990CA1275747C Facsimile system
10/26/1990CA2007999A1 Reproduction and enlarging system and method
10/24/1990EP0394097A1 Image-processing device for halftone reproduction
10/24/1990EP0394096A1 Videotex terminal capable of telecopy reception
10/24/1990EP0393983A2 Edge emission type EL printer and the printing method thereof
10/24/1990EP0393981A2 Line printer
10/24/1990EP0393945A2 Linear image sensor
10/24/1990EP0393849A2 System and method for controlling exposure format for an apparatus for exposing photographic film with image date
10/24/1990EP0393848A2 Calibration apparatus for a light source used for exposing photographic film with image data
10/24/1990EP0393663A2 Apparatus and a method for automatically centering a video zoom and pan display
10/24/1990EP0393659A2 Method and system for reading images
10/24/1990EP0393646A2 Method of and apparatus for transmitting video data
10/24/1990EP0393619A2 Image processing apparatus
10/24/1990EP0393598A2 Pixel interval compensating method
10/24/1990EP0393509A2 Cordless image scanner
10/24/1990EP0393206A1 Image sensor and method of producing the same
10/24/1990EP0393073A1 Dot printer with token bit selection of data latching
10/24/1990EP0393065A1 Compression method for digital video signals
10/24/1990EP0261176B1 Apparatus and method for controlling a thermal printer apparatus
10/24/1990EP0117871B1 Facsimile machine
10/23/1990US4965871 Continuous plural page copying method for a copier
10/23/1990US4965870 Image forming apparatus with use of a laser beam
10/23/1990US4965845 Compression and reconstruction of color aeronautical chart images
10/23/1990US4965843 Method and apparatus for coding digital image information obtained from dithering
10/23/1990US4965754 Image processing
10/23/1990US4965749 Method and apparatus providing skip line asynchronous imaging
10/23/1990US4965744 Apparatus for erasing and extracting image data from particular region of orignal document
10/23/1990US4965679 Method for electronically duplicating film images while maintaining a high degree of image quality
10/23/1990US4965678 Area designation apparatus in image processing system
10/23/1990US4965677 Compression of binary halftones
10/23/1990US4965676 Facsimile remote diagnostic system
10/23/1990US4965672 Method and apparatus for halftone imaging
10/23/1990US4965664 Color image signal processing method and apparatus for recording a color image from input color image signals by converting an individual color signal component
10/23/1990US4965663 Method for measuring of chromatic optical density
10/23/1990US4965662 Video printer for making video image hard copies
10/23/1990US4965638 Drive arrangement for moving a document scanner
10/23/1990US4965599 Scanning apparatus for halftone image screen writing
10/23/1990US4965598 Printing apparatus
10/23/1990US4965597 Color image recording apparatus
10/23/1990US4965593 Print quality of dot printers
10/23/1990US4965592 Image processing apparatus for reproducing images on projector screen and photosensitive medium
10/23/1990US4965590 Image printing apparatus
10/23/1990US4965570 Photoelectric conversion apparatus
10/22/1990WO1990013201A1 Thermally-activated receiving medium for use in a facsimile transmission system
10/22/1990CA2050938A1 Thermally-activated receiving medium for use in a facsimile transmission system
10/20/1990CA2013343A1 Apparatus and a method for automatically centering a video zoom and pan display
10/18/1990WO1990012423A1 Image sensor
10/18/1990DE4002464A1 Standard paper facsimile receiver receiving CCITT standard signals - has dot matrix printer with minimum dot separation of each dot generator exceeding one pixel width
10/17/1990EP0392917A1 Optical device for analysing documents
10/17/1990EP0392916A1 Telecopier allowing simplified document manipulation
10/17/1990EP0392782A2 Photoelectric converting apparatus
10/17/1990EP0392781A2 Image processing apparatus
10/17/1990EP0392753A2 Method of and apparatus for editing images
10/17/1990EP0392701A2 Image reduction apparatus
10/17/1990EP0392504A2 Method for generating radiation image signals
10/17/1990EP0392256A2 Scanning image display system
10/17/1990EP0392091A1 Method and apparatus for image reproduction
10/17/1990EP0391964A1 Improvements relating to coloured image generation
10/17/1990CN1010075B Image display
10/17/1990CA2002444A1 Plain paper facsimile receiver
10/16/1990US4964154 Communication adapter device for use with a facsimile device combined with a computer
10/16/1990US4964066 Device for editing and displaying data recorded on specialized sheets or records
10/16/1990US4963997 Film mounting mechanism for image scanner apparatus of the drum type
10/16/1990US4963996 Image reader/editor with operator interaction
10/16/1990US4963990 Continuous halftoning using quarternary pixel cells
10/16/1990US4963989 Method and apparatus for grey level printing
10/16/1990US4963988 Facsimile device
10/16/1990US4963986 Image input apparatus for resetting the amount of exposure from a correction value for a predetermined standard value
10/16/1990US4963955 Photoelectric conversion apparatus
10/16/1990US4963933 LED illuminator bar for copier
10/16/1990US4963925 Chroma control method
10/16/1990US4963923 Microfilm projecting apparatus
10/16/1990US4963900 Multiple laser beam scanning optics
10/16/1990US4963899 Method and apparatus for image frame registration
10/16/1990US4963898 Method and apparatus for forming a color image
10/16/1990US4963894 System for electronically controlling LED-array image printer
10/16/1990US4963875 Device for coding an analog image signal into a binary signal
10/16/1990US4963740 Subtraction processing method for radiation images obtained under different conditions
10/16/1990US4963739 Radiation image read-out apparatus
10/16/1990US4963726 Device for the optical reading of planar information carriers
10/16/1990US4962984 Constant-speed scanning lens system
10/16/1990US4962981 Optical scanner
10/13/1990CA2014301A1 Videotext terminal usable as a fax copier
10/11/1990DE4011073A1 Hand grip for portable photocopier - has sliding fitting for handle with sloping position to support copier in inclined setting
10/10/1990EP0391882A2 Integral fiber optic sensing head
10/10/1990EP0391797A1 Laser-beam photoplotter for printing photographic films
10/10/1990EP0391689A2 Thermal line printer
10/10/1990EP0391632A2 Sheet feeding device for facsimile apparatus
10/10/1990EP0391496A1 System for image information
10/10/1990EP0391276A2 Printer capable of printing at regular time intervals
10/10/1990EP0183133B1 Method and apparatus for the production of photographic pictures by point-by-point illumination
10/09/1990US4962542 Method for reducing artifacts in error diffused images
10/09/1990US4962526 Image data transmission apparatus
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