| Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802) |
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| 05/19/1981 | US4268841 Image recording method and apparatus therefor |
| 05/19/1981 | US4268838 Thermal recording system |
| 05/19/1981 | US4268595 Methacrylic acid-acrylic ester terpolymer |
| 05/19/1981 | US4268165 Apparatus and method for controlling the adjustment of optical elements in an electrophotographic apparatus |
| 05/19/1981 | US4268110 Facet angle corrector for multi-faceted optical scanner |
| 05/19/1981 | US4268025 Sheet feeding apparatus |
| 05/19/1981 | CA1101571A1 Automatic dialer with a programmable pause |
| 05/19/1981 | CA1101537A2 Facsimile receiver with improved fm demodulator |
| 05/19/1981 | CA1101482A1 Electron-radiographic process and apparatus for carrying out the process |
| 05/19/1981 | CA1101480A1 Half-tone imaging with flying spot scanner system |
| 05/12/1981 | US4267555 Rotatable raster scan display |
| 05/12/1981 | US4267548 Format-information synthesizing system |
| 05/12/1981 | US4267456 Electron beam type exposure apparatus |
| 05/12/1981 | CA1101121A1 Twisting geometry scanner |
| 05/12/1981 | CA1101113A1 Document scanning head |
| 05/06/1981 | EP0027967A1 Method for creating a half-tone image |
| 05/05/1981 | US4266252 Lens system for document scanning |
| 05/05/1981 | US4266251 Facsimile transmission and reception apparatus |
| 05/05/1981 | US4266250 Arrangement for the optoelectrical scanning of a master |
| 05/05/1981 | US4266249 Digital encoder for facsimile transmission |
| 05/05/1981 | CA1100568A1 Copier/raster scan apparatus |
| 05/05/1981 | CA1100411A1 Apparatus and method for digital halftone reproduction |
| 04/29/1981 | EP0027572A1 Method and apparatus for ciphered transmission of information |
| 04/29/1981 | EP0027545A1 Monolithic integrated circuit for picture line scanning, and method of operating it |
| 04/28/1981 | US4264933 Method and apparatus for facsimile recording |
| 04/28/1981 | US4264932 Picture signal receiver for facsimile and the like |
| 04/28/1981 | US4264921 Apparatus for color or panchromatic imaging |
| 04/28/1981 | US4264912 Image formation and development apparatus |
| 04/28/1981 | US4264811 Semiconductor image sensing device |
| 04/28/1981 | US4264120 Beam scanning device |
| 04/28/1981 | CA1100224A1 Framing pulse generator for facsimile recorder |
| 04/22/1981 | EP0027373A1 Raster input scanner including at least one array of image viewing elements adjustably mounted on a support |
| 04/22/1981 | EP0027372A2 Apparatus and method for compensating a raster scanner for component deficiencies |
| 04/22/1981 | EP0027371A2 A document scanner and method for operating a document scanner |
| 04/22/1981 | EP0027370A1 A raster input scanner and method of processing image bearing originals |
| 04/21/1981 | US4263555 Signal detection system |
| 04/21/1981 | US4262594 Method and apparatus for manipulating and transporting image media |
| 04/21/1981 | CA1099819A1 Method and apparatus for electronically copying and positioning parts of different picture originals |
| 04/16/1981 | WO1981001067A1 Process and apparatus for prerecording and organizing data selected from source-documents |
| 04/16/1981 | WO1981001065A1 Process for transforming chrominance numerical signals of an orthogonal system of colour coordinates into numerical colour signals and into saturation signals of a system of colour coordinates and transformation circuit |
| 04/14/1981 | US4262311 Device for automatically returning sub-scanning carriage of facsimile apparatus |
| 04/14/1981 | US4262310 Facsimile recorder framing circuit |
| 04/14/1981 | US4262309 Facsimile reception apparatus |
| 04/14/1981 | US4262301 Electronic imaging camera |
| 04/14/1981 | US4262294 Electrostatic printing apparatus comprising improved electrode drive means |
| 04/14/1981 | US4262197 Scanning apparatus |
| 04/14/1981 | CA1099401A1 Method and device for eliminating the background brightness variation of a video signal |
| 04/14/1981 | CA1099391A1 Facsimile transmitter having improved response |
| 04/14/1981 | CA1099390A1 Pneumatically actuated image scanning reader/writer |
| 04/14/1981 | CA1099389A1 Method and apparatus for facsimile scanning |
| 04/14/1981 | CA1099148A1 Method and apparatus for engraving printing forms |
| 04/08/1981 | EP0026452A2 Device for the production of charge patterns on a photoconductive image carrier |
| 04/08/1981 | EP0026384A1 Method of smoothing a photoconductive layer of As2 Se3 |
| 04/08/1981 | EP0026267A1 Method and apparatus for compressing and decompressing strings of electrical binary data bits |
| 04/07/1981 | US4261040 Method and apparatus for the analysis of scanned data |
| 04/07/1981 | US4261018 Progressive image transmission |
| 04/07/1981 | US4261011 Color separation production using color recognition circuit |
| 04/07/1981 | US4260998 Recording device |
| 04/07/1981 | US4260997 Recording device |
| 04/07/1981 | US4260979 Apparatus for sensing non-coded images |
| 04/07/1981 | CA1099039A1 Color dot display |
| 04/02/1981 | WO1981000944A1 Electronic camera employing a solid-state image sensor |
| 04/02/1981 | WO1981000827A1 Centrifugal clamp on a high speed print drum |
| 04/01/1981 | EP0025957A2 Optical device for contactless recording, particularly for facsimile picture and text reproduction |
| 04/01/1981 | EP0025956A2 Optical device for contactless recording |
| 03/31/1981 | US4259697 Method for improved reproduction of edges formed by engraving of screened printing forms |
| 03/31/1981 | US4259696 Apparatus and method for jet drop copying with an array of jets and photodetectors |
| 03/31/1981 | US4259695 Facsimile sheet clamping device |
| 03/31/1981 | US4259694 Electronic rescreen technique for halftone pictures |
| 03/31/1981 | US4259693 Device for compressing binary signals |
| 03/31/1981 | US4259004 Scanning device with optical path length compensator |
| 03/31/1981 | CA1098349A1 Polygonal scanning mirror and arrangement |
| 03/25/1981 | EP0025709A1 Document illuminating apparatus |
| 03/25/1981 | EP0025708A1 Optical scanning device |
| 03/25/1981 | EP0025707A2 Jet drop copying apparatus and method |
| 03/25/1981 | EP0025683A2 Facsimile communication system |
| 03/25/1981 | EP0025672A1 Apparatus for converting image scan signals to halftone mapping signals |
| 03/24/1981 | US4258396 Document illumination apparatus |
| 03/24/1981 | US4258395 Document scanning system |
| 03/24/1981 | US4258393 Picture processing method |
| 03/24/1981 | US4258392 Coding method for facsimile signal |
| 03/24/1981 | US4258390 Video signal processing circuit |
| 03/24/1981 | US4258387 Video telephone |
| 03/24/1981 | US4258264 Method of and apparatus for reading out a radiation image recorded in a stimulable phosphor |
| 03/24/1981 | US4258254 Imaging devices and systems |
| 03/24/1981 | US4257701 Image information recording apparatus |
| 03/19/1981 | WO1981000771A1 Illumination means for electrographic reproduction |
| 03/17/1981 | US4257072 Method and apparatus using multiple deflections for reproducing a halftone image by scanning |
| 03/17/1981 | US4257071 Apparatus for digitizing optical images |
| 03/17/1981 | US4257070 Method for converting a video signal into a black/white signal |
| 03/17/1981 | US4257069 Data compression apparatus |
| 03/17/1981 | US4257053 High-resolution laser plotter |
| 03/17/1981 | US4257044 Graphic display system for raster scanning involving wobbling |
| 03/17/1981 | US4256969 Graphical representation transducing |
| 03/17/1981 | US4256959 Optical scanner including feedback for reflector control |
| 03/17/1981 | US4256364 Two-dimensional scanning optical system with distortion correction |
| 03/17/1981 | CA1097793A1 Statistical resolution conversion technique |
| 03/17/1981 | CA1097792A1 Gray scale interpolation technique |
| 03/17/1981 | CA1097726A1 Apparatus and method for producing images on sensitized surfaces |
| 03/11/1981 | EP0024902A2 Apparatus and method for converting one-bit image data into gray scale image data |