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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06/01/1983 | EP0080294A1 Pattern scanners |
06/01/1983 | EP0080075A2 Method and apparatus for the control of grey level |
06/01/1983 | EP0080017A1 Linear positioning apparatus for a read/write head |
06/01/1983 | EP0079958A1 High resolution optical-addressing apparatus. |
06/01/1983 | EP0079904A1 Light emitting diode array devices and image transfer systems |
05/31/1983 | US4386374 Electronic duplicator with a line buffer memory |
05/31/1983 | US4386373 Facsimile apparatus |
05/31/1983 | US4386366 Adaptive type quantizer |
05/31/1983 | US4386272 Apparatus and method for generating images by producing light spots of different sizes |
05/31/1983 | US4386271 Clock generator |
05/31/1983 | US4386267 Color isolation method |
05/31/1983 | CA1147470A1 Binary conversion device, particularly for image information transmitters and receivers with redundancy reduction |
05/26/1983 | WO1983001882A1 Optical scanner for color facsimile |
05/25/1983 | EP0079821A1 Line-by-line document scanner equipped with a device for checking the position of the document |
05/25/1983 | EP0079557A2 Cassette having radiation image storage medium |
05/25/1983 | EP0079542A2 Two-dimensional digital linear interpolation system |
05/25/1983 | EP0079532A1 Two-beam scanning optical system |
05/25/1983 | EP0079380A1 Pictorial information processing technique |
05/24/1983 | US4385325 Raster input scanner comprising two CCD arrays |
05/24/1983 | US4385306 Dot writing head for high definition printers, and a method of manufacturing the same |
05/24/1983 | US4385302 Multicolor recording apparatus |
05/24/1983 | CA1147012A1 Easily assemblable transverse magnetic printing head |
05/18/1983 | EP0079209A2 Method of driving a thermal head |
05/18/1983 | EP0079208A2 Picture data recording apparatus |
05/18/1983 | EP0079183A1 Raster scanner and method of scanning |
05/18/1983 | EP0079153A1 Controlling register in a printing press |
05/18/1983 | EP0079063A2 Thermal printing head |
05/17/1983 | US4384336 Method and apparatus for lightness imaging |
05/17/1983 | US4384307 Facsimile communications interface adapter |
05/17/1983 | US4384297 Laser recorder reproducing a picture having half-tones of high accuracy |
05/17/1983 | US4384272 Image reading apparatus |
05/17/1983 | US4383755 Unitary, modular, demountable optical system for laser diode/printing copying apparatus |
05/17/1983 | CA1146473A1 Picture coding and/or decoding equipment |
05/11/1983 | EP0078673A2 Magneto-optical head assembly |
05/11/1983 | EP0078390A2 Optical imaging apparatus and method |
05/11/1983 | EP0078376A2 Drum for a drum scanner |
05/10/1983 | US4383278 Light beam modulating/deflecting system |
05/10/1983 | US4383277 Copying apparatus comprising interconnectable copying machines |
05/10/1983 | US4383275 Read-out level compensation in an optical reader system |
05/10/1983 | US4383170 Image input device |
05/10/1983 | CA1146261A2 Scanning apparatus |
05/04/1983 | EP0077874A2 Image scanner |
05/03/1983 | US4382286 Method and apparatus for compressing and decompressing strings of electrical digital data bits |
04/27/1983 | EP0077677A2 Radiation image read-out method and apparatus |
04/27/1983 | EP0077546A2 Thermal recording device |
04/27/1983 | EP0077410A1 Contrast enhancement method |
04/26/1983 | US4381547 Picture deforming process |
04/26/1983 | CA1145450A1 Laser scanning utilizing facet tracking and acousto pulse imaging techniques |
04/26/1983 | CA1145170A1 Apparatus and method for correcting imperfection in a polygon used for laser scanning |
04/20/1983 | EP0077239A1 Spatial correction device for an image scanner |
04/20/1983 | EP0077188A2 Electro-optic modulator |
04/20/1983 | EP0077089A2 Device for storing or transmitting transform-coded picture signals and for regaining those picture signals |
04/20/1983 | EP0076972A1 Document processing system and equipment |
04/20/1983 | EP0076948A2 Variable resolution interlaced ink jet printer |
04/19/1983 | US4380777 Keyed AGC circuit for video data transmitting device |
04/19/1983 | US4380776 Image positioning apparatus |
04/19/1983 | US4380390 Exposure correcting device |
04/19/1983 | US4380389 Document transport for raster scanners |
04/19/1983 | US4380387 Composite information recording apparatus |
04/19/1983 | CA1145031A1 Facsimile system |
04/19/1983 | CA1144865A1 Apparatus for color or panchromatic imaging |
04/13/1983 | EP0076700A2 Input/output scanner for document processing |
04/13/1983 | EP0076380A2 Method and circuit for contrast enhancement |
04/12/1983 | US4380023 Electronic imaging apparatus with light valve area arrays |
04/12/1983 | US4380015 Recording system for recording information on record medium by using energy beam |
04/12/1983 | US4379631 Apparatus having a copier function and a printer function |
04/12/1983 | CA1144637A1 Linear light source fixing device used in a facsimile transmission apparatus |
04/06/1983 | EP0075858A2 Photosensor |
04/06/1983 | EP0075684A2 Real-time ordinal-value filter utilizing half-interval ranking |
04/06/1983 | EP0075628A1 Beam intensity measurement system for raster scanners |
04/05/1983 | US4379302 Powdered magnetic ink printing devices |
04/05/1983 | US4379292 Method and system for displaying colors utilizing tristimulus values |
04/05/1983 | CA1144274A2 Transmission method and system for facsimile signal |
04/05/1983 | CA1143985A1 Optical apparatus for the reproduction of images, using a liquid crystal cell and a telecopier comprising such apparatus |
03/30/1983 | EP0075470A2 Electronic image processing system |
03/29/1983 | US4378571 Serial analog video processor for charge coupled device imagers |
03/29/1983 | US4378568 Light valve imaging apparatus and method for providing gray scale |
03/29/1983 | US4378567 Electronic imaging apparatus having means for reducing inter-pixel transmission nonuniformity |
03/29/1983 | US4378566 Apparatus for producing a color picture on recording paper |
03/29/1983 | US4378562 Light beam scanning device |
03/29/1983 | CA1143857A1 System for controlling and sequencing a printer |
03/29/1983 | CA1143825A1 Recording head for facsimile receivers |
03/29/1983 | CA1143661A1 Method of and circuit arrangement for partial electronic retouching in the reproduction of colour pictures |
03/29/1983 | CA1143660A1 Separated sensor array abutment |
03/23/1983 | EP0074795A2 Image scanning apparatus and method |
03/23/1983 | EP0074794A2 Apparatus and method for producing halftone patterns |
03/23/1983 | EP0074719A2 Imaging device |
03/23/1983 | EP0074422A1 Method for the production of printing plates by means of printing irregularly distributed points |
03/22/1983 | US4377753 High resolution optical-addressing device and electronic scanner and/or printer apparatus employing such device |
03/22/1983 | CA1143206A1 Photosensitive device including a 2-(2'-hydroxyphenyl)-benzotriazole stabilizer in a diamine containing hole transport layer |
03/16/1983 | EP0074110A2 Graphic reading |
03/16/1983 | EP0073977A2 Recording process for reproducing originals, especially coloured ones, with an exact tone value, and apparatus for carrying out the process |
03/15/1983 | US4376576 Light collector rod for use in xerographic systems |
03/15/1983 | US4376568 Thick film line modulator |
03/15/1983 | CA1142993A1 Digital laser platemaker and method |
03/15/1983 | CA1142858A1 Method and apparatus for forming high resolution halftone images |
03/08/1983 | US4376282 Optical print head with graded index fiber arrays for optical printing devices |
03/08/1983 | US4375916 Photocopier system with portable detachable reader |
03/02/1983 | EP0073152A2 Apparatus for reproducing a still color picture |
03/02/1983 | EP0073086A1 A system for converting the image information on an original into an electrical signal |