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)
09/1982
09/21/1982US4350996 Screened image reproduction
09/21/1982US4350988 Recording apparatus for effecting recording by a beam
09/21/1982CA1132241A1 Video input circuits for video hard copy controller
09/21/1982CA1132178A1 Positive overlay electronic xerographic printer
09/15/1982EP0060149A2 Image scanning method and device
09/15/1982EP0060101A2 Image data conversion and character code/character pattern conversion
09/15/1982EP0059951A2 Method of reproducing four colours polychrome copies with colour removal
09/15/1982EP0059920A1 Image print head
09/15/1982EP0059705A1 Method and circuit for partial correction of the drawing during the colour image reproduction.
09/14/1982US4349847 Image size control for raster scanners
09/14/1982US4349846 Picture processing method
09/14/1982US4349844 Circuit for making a CRT display a TV picture for a copy with dots superposed on half-tone picture areas
09/14/1982US4349836 Apparatus for displaying information
09/14/1982US4349835 Color printing process simulator
09/14/1982US4349730 Data processing device for reading and processing visually observable information present on a data carrier
09/14/1982US4349279 Method for the color evaluation of pattern models of fabric, _decoration or packaging printing, and a color evaluation device
09/14/1982US4348786 Opening and closing apparatus
09/14/1982CA1131740A2 Packet-switched facsimile communications system
09/08/1982EP0059556A2 Printing apparatus
09/08/1982EP0059514A2 Method and device for the electrophotographic presentation of information
09/08/1982EP0059261A2 Method and arrangement for representing graphical patterns
09/07/1982US4348697 Facsimile apparatus
09/07/1982US4348593 Twisting geometry optical system utilizing imaging array with time delay segments
09/07/1982US4348100 Control for xerographic system
09/07/1982CA1131347A1 Scanning apparatus
09/07/1982CA1131346A1 Background light intensity compensation circuit for a line scan camera system
09/07/1982CA1131345A1 Facsimile mid-page restart
09/07/1982CA1131344A1 Facsimile compression system
09/01/1982EP0059120A1 Cartographic display apparatus, particularly for aerial navigation
08/1982
08/31/1982US4347533 Facsimile reading and recording device
08/31/1982US4347523 Laser recorder
08/31/1982CA1130912A1 Apparatus for limiting facsimile transmission durations
08/25/1982EP0058151A1 Color printer and multi-ribbon cartridge therefor
08/24/1982US4346449 Data storage and retrieval system
08/24/1982US4346410 Facsimile receiver
08/24/1982US4346409 Method of and apparatus for processing a radiographic image
08/24/1982US4346402 Image-reproduction apparatus
08/24/1982US4346401 Reproducing a color image on a photosensitive material in response to an element-sequential color signal
08/24/1982US4346295 Radiation image read out device
08/24/1982CA1130444A1 Electronic imaging camera
08/24/1982CA1130443A1 Variable speed facsimile transmitter using storage mode photodetection array
08/24/1982CA1130364A1 Automatic multimode continuous halftone line copy reproduction
08/24/1982CA1130125A1 Optical scanning device
08/18/1982EP0057977A1 Electro-optic line printer
08/18/1982EP0057764A2 Method of recording and reproducing colored originals on a recording member, bearing an electro-sensitive layer
08/18/1982EP0057748A2 Microfilm telecommunication installation
08/17/1982US4345314 Dynamic threshold device
08/17/1982US4345313 Image processing method and apparatus having a digital airbrush for touch up
08/17/1982US4345277 Linear light source fixing device used in a facsimile transmission apparatus
08/17/1982US4345276 System and method for high quality image reproduction
08/17/1982US4345264 Carriage support for recording head, diode matrix, and drivers
08/17/1982US4345262 Ink jet recording method
08/17/1982CA1129988A1 System for enhanced light uniformity in a document scanner system
08/17/1982CA1129987A1 Picture signal receiver for facsimile and the like
08/17/1982CA1129934A1 Method and apparatus for arranging scanning heads for interlacing
08/17/1982CA1129932A1 Electrostatic scanning ink jet system
08/17/1982CA1129779A1 Light beam scanning device
08/17/1982CA1129778A1 Laser scanning apparatus
08/11/1982EP0057586A2 Raster output scanner and method
08/11/1982EP0057584A2 Optical scanning apparatus
08/11/1982EP0057274A2 Digital image data compression apparatus
08/11/1982EP0033731A4 Engraving apparatus.
08/10/1982US4344086 Encoder for encoding a multilevel pel signal sequence with probability representative mode codes allotted to prediction error codes for each pel signal and a decoder therefor
08/10/1982US4343986 Thermal printhead
08/10/1982US4343531 Light beam scanning device with constant spot intensity and scan speed related modulating means
08/10/1982CA1129542A2 Pneumatically actuated image scanning reader/writer
08/10/1982CA1129348A1 Image transcribing device
08/10/1982CA1129347A1 Device for automatically returning sub-scanning carriage of facsimile apparatus
08/05/1982WO1982002638A1 Areal electronic imaging apparatus
08/05/1982WO1982002636A1 Continuous tone imaging with light valve array
08/05/1982WO1982002635A1 Electronic color imaging apparatus
08/05/1982WO1982002634A1 Electronic color imaging apparatus
08/04/1982EP0056948A1 Office communication system
08/03/1982US4343011 Facsimile apparatus
08/03/1982US4343009 Facsimile recorder
08/03/1982US4342511 Illumination system having an efficient light guide
08/03/1982CA1129073A1 Sub-sampling and interpolation techniques for (facsimile) graphic signals
08/03/1982CA1129072A1 Sub-sampling and interpolation techniques for (facsimile) graphic signals
07/1982
07/28/1982EP0056442A2 Turnable beam head for the deviation of a light beam
07/27/1982US4342052 Multiple image facsimile
07/27/1982US4342051 Method of and system for reproducing or transmitting half-tone images
07/27/1982US4342050 Beam intensity measurement system for raster scanners
07/27/1982US4342047 Color calibration accuracy in a color raster scanner
07/27/1982US4342043 Sheet feeding for a facsimile system with anti-static electricity additive
07/27/1982US4342040 Heat sensitive recording system
07/27/1982US4342039 High resolution magnetic printing head
07/27/1982US4341954 Photo-electric converting apparatus
07/27/1982CA1128646A1 Coding method for facsimile signal
07/27/1982CA1128645A1 Transmission method and system for facsimile signal
07/21/1982EP0056334A1 Thin film electro-optic line printer
07/20/1982US4340912 Random screen generator apparatus for producing halftone images
07/20/1982US4340911 Image gradation processing method and apparatus for mammogram copying system
07/20/1982US4340894 Laser beam recording system
07/20/1982US4340783 Voice frequency response system
07/20/1982US4340295 Composite information recording device
07/20/1982CA1127976A1 Method of recording line elements by electronic chromatic correction apparatus
07/14/1982EP0055964A2 Method and device for image analysis
07/14/1982EP0055834A2 Reprographic apparatus capable of reproducing various tone and line originals and methods of operation thereof
07/13/1982US4339805 Information recording system
07/13/1982US4339774 Apparatus and method for generating a dispersed dot half tone picture from a continuous tone picture
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