Patents
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
02/1984
02/28/1984CA1162976A1 Method and apparatus for operating a thermal printer with uniform heat distribution
02/28/1984CA1162975A1 Thermal printing system
02/22/1984EP0100811A2 Apparatus for reproducing various tone and line originals and methods of operation thereof
02/21/1984US4433346 Raster input scanner
02/21/1984US4433345 Video image recording methods and devices
02/21/1984US4433041 Magnetic brushing using powdered developer, emission of light patterns to rear side of sheet
02/21/1984US4432613 Exposure light beams control method for use in a picture reproducing machine
02/21/1984CA1162640A1 Shading compensation for scanning apparatus
02/21/1984CA1162639A1 System for accommodating defective sensors in a scanning array
02/21/1984CA1162590A1 Thermal recording head
02/21/1984CA1162430A1 Double pass scanning system
02/15/1984EP0100610A2 Illumination system
02/14/1984US4432023 Raster scanner control
02/14/1984US4432022 Original reading apparatus
02/14/1984US4432020 Administration data storage in a facsimile system
02/14/1984US4432017 Adjacent bilinear photosite imager
02/14/1984US4432012 Process for offset conversion to gravure
02/14/1984US4432001 Heat-sensitive recording head driving method
02/14/1984US4431913 For use in an image reader
02/14/1984CA1162290A1 Optical scanner for ink jet printer
02/14/1984CA1162289A1 Method and apparatus for compression and decompression of digital image data
02/14/1984CA1162225A1 Multiple mode image processing apparatus and method
02/08/1984EP0100262A1 Console for image treatment and manipulation
02/08/1984EP0100211A2 Laser diode printer
02/08/1984EP0099971A2 Retro-stroke compression and image generation of script and graphic data employing an information processing system
02/07/1984US4430748 Image thresholding system
02/07/1984US4430668 Digital FACSIMILES (Fast Additive Color Separation Internegatives MILES)
02/07/1984US4430661 Method and apparatus for image reproduction
02/07/1984US4430563 Data processing form
02/07/1984US4430526 Interactive graphics transmission system employing an adaptive stylus for reduced bandwidth
02/07/1984US4429948 Optical alignment compensation
02/07/1984CA1161765A1 Method and apparatus for making monochrome facsimiles of color images on color displays
02/01/1984EP0099731A2 Improved method for providing permanent images
02/01/1984EP0099625A2 Image transmission devices
01/1984
01/31/1984US4429333 Document scanning system
01/31/1984US4429220 Light beam scanning device with curved grid pattern
01/31/1984US4429218 Scanning beam detector
01/31/1984US4428690 Thermal recording print head
01/31/1984US4428643 Optical scanning system with wavelength shift correction
01/25/1984EP0098958A2 Method of encoding and transmitting documents for text processing systems
01/24/1984US4428000 High speed imaging of electrophotographic film by fine beam scanning
01/24/1984US4427999 High speed imaging of electrophotographic film by fine beam scanning
01/24/1984US4427998 Apparatus for adjusting a facsimile document scanner
01/24/1984US4427988 Image print head
01/24/1984US4427290 Title edge apparatus for serially produced collated copy
01/24/1984CA1161157A1 Facsimile method and apparatus with sheet feeding
01/24/1984CA1161156A1 Method and apparatus for interrupting a facsimile transmission
01/24/1984CA1161155A1 Internal test method and apparatus for facsimile tansceiver
01/19/1984WO1984000121A1 Method and apparatus for forming gravure cells in a gravure cylinder
01/18/1984EP0098746A2 Read/write bar for multi-mode reproduction machine
01/18/1984EP0098745A2 Read/write bar for multi-mode reproduction machine
01/18/1984EP0098574A2 Radiation image read-out method and apparatus
01/18/1984EP0098319A1 Method and arrangement for contrast enhancement
01/18/1984EP0098264A1 Electronic multi-imager.
01/18/1984EP0036008B1 Illumination means for electrographic reproduction
01/17/1984US4426653 Printing system for facsimile reception apparatus
01/17/1984CA1160733A1 Video signal processing circuit for raster scanner apparatus
01/11/1984EP0098223A2 A method and an apparatus for coding/decoding telewriting signals
01/11/1984EP0098117A2 An electronic input board system
01/11/1984EP0097930A1 Method and device for automatized data communication with a telephone terminal with data capability
01/11/1984EP0097928A1 Electronic still camera
01/11/1984EP0097806A2 Universal image coder and controller for multicolor electrolytic printing
01/11/1984EP0097724A1 Scanning method and arrangement
01/10/1984US4425582 Hardware implementation of 2 line/11 element predictor
01/04/1984EP0097471A2 Multi-mode document handling system
01/03/1984US4424590 Document reader
01/03/1984US4424589 Flat bed scanner system and method
01/03/1984US4424535 Document video digitizer
01/03/1984US4424534 Original reader
01/03/1984US4424524 Read/write bar for multi-mode reproduction machine
01/03/1984US4424523 Read/write bar for multi-mode reproduction machine
01/03/1984US4424522 Capacitive electrostatic stylus writing with counter electrodes
01/03/1984US4424519 System and method for producing artwork for printed circuit boards
01/03/1984US4424442 Scanning method using a plurality of beams and apparatus therefor
01/03/1984CA1159882A1 Laser recording system
01/03/1984CA1159881A1 Multiple function reproduction apparatus
12/1983
12/28/1983EP0096978A1 Electrographic imaging apparatus
12/28/1983EP0032908B1 Autotypical analysis process of toning values
12/27/1983US4423520 Quantization circuit for image data transmission system
12/27/1983US4423444 Method for recording a magnetic audio tape and apparatus for generating a television signal from the recorded magnetic audio tape
12/27/1983US4423439 Facsimile transmitter
12/27/1983US4423426 Beam recording apparatus
12/27/1983US4423424 Thermal head for facsimile printer
12/27/1983CA1159553A1 Apparatus for television picture and method for specifying television picture frame
12/27/1983CA1159550A1 Hybrid bit clock servo
12/27/1983CA1159549A1 Method and apparatus for processing coarse scan/fine print data
12/27/1983CA1159480A1 Semiautomatic document handling device
12/27/1983CA1159373A1 Method and apparatus for reduction of false contours in electrically screened images
12/27/1983CA1159288A1 Light beam scanning apparatus
12/22/1983WO1983004160A3 Device for scanning and storing optical information on a planar substrate
12/21/1983EP0096677A1 An automatic scanning device and its control for opto-mechanical processing applications
12/21/1983EP0096530A2 Scanning apparatus
12/21/1983EP0096476A2 Plane linear grating for optically encoding information
12/21/1983EP0096472A2 Apparatus recording information on an electrically conductive backed medium
12/21/1983EP0096341A2 Laser printer optical system
12/21/1983EP0096220A2 Gray scale image thresholding method
12/21/1983EP0096219A2 Image classification method based on histogram analysis
12/21/1983EP0096178A2 Document distribution system and a method for controlling the system
12/21/1983EP0096090A1 Process and device for the preparation of coloured proofs in multicolour printing
12/21/1983EP0096089A1 Optical deflexion system