Patents
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
08/1983
08/23/1983CA1152599A1 Processing binary data
08/18/1983WO1983002869A1 Improvements in and relating to colour scanners
08/18/1983WO1983002867A1 Light collection apparatus for a scanner
08/18/1983WO1983002866A1 Improvements in or relating to light detecting and measuring devices
08/18/1983WO1983002865A1 Recorder
08/16/1983US4399470 Optical scanning system
08/16/1983US4399469 Imaging system and method with improved boundary detection
08/16/1983US4399468 Printer
08/16/1983US4399467 Method and apparatus for image data compression and decompression
08/16/1983CA1152219A1 Method and apparatus for reducing the gray scale resolution of a digitized image
08/16/1983CA1152144A1 Graphic forms overlay apparatus
08/10/1983EP0085351A2 Picture information display device
08/10/1983EP0085210A1 Image processing system
08/10/1983EP0085066A1 Method for rastering half-tone images.
08/09/1983US4398223 System for recording video information on a record card
08/09/1983US4398222 Facsimile apparatus
08/09/1983US4398221 Facsimile apparatus
08/09/1983US4398211 Solid state optical microscope
08/09/1983US4397537 Image forming method and apparatus
08/09/1983US4397521 Double pass optical system for raster scanners
08/09/1983US4397085 Method of manufacture of a multi-wire nonimpact printhead
08/03/1983EP0084780A2 Method and circuit for determining the direction of contours in a picture
08/02/1983US4396961 Video recorder controller apparatus and method
08/02/1983US4396952 Facsimile transmission apparatus
08/02/1983US4396940 Color original evaluating method
08/02/1983US4396928 Printer controller for laser beam printer
08/02/1983US4396834 Dual reflector illumination system
08/02/1983US4396246 Integrated electro-optic wave guide modulator
08/02/1983CA1151302A1 Graphical data encoding
07/1983
07/27/1983EP0084459A2 Facsimile system
07/27/1983EP0084228A2 Digital color modification
07/26/1983US4395766 Laser type recording device
07/26/1983US4395470 Process of forming magnetic latent images
07/26/1983US4395146 Method and apparatus for operating a thermal printer with uniform heat distribution
07/26/1983US4395117 Printing apparatus having an in-focus detector
07/26/1983US4395108 Color balanced scratch suppressing projection apparatus for color transparencies
07/21/1983WO1983002534A1 Electronic multi-imager
07/21/1983WO1983002507A1 Unitary, modular, demountable optical system for laser diode printing/copying apparatus
07/20/1983EP0083989A2 Image editing apparatus
07/20/1983EP0083986A2 Polychromatic image sensor
07/20/1983EP0083976A2 Picture information reading apparatus
07/19/1983US4394693 System and method for generating enlarged or reduced images
07/19/1983US4394685 Interface for operating a dot matrix printer for printing a video image
07/19/1983US4394665 Electrical contact for conductive-backed paper
07/19/1983US4394662 Dot printer for reproduction of halftone images
07/19/1983US4394092 Method and apparatus for high speed thermal printing
07/13/1983EP0083419A2 Stylus electrode insert and printhead assembly including same
07/13/1983EP0083412A2 Method and apparatus for encoding data
07/13/1983EP0029049B1 Method and device for partial electronic retouching during the reproduction of colour images
07/13/1983EP0012746B1 Telecopying process using a smectic liquid cristal cell and transceiver telecopier for application of said process
07/12/1983US4393452 Method of reproducing a picture having improved resolution
07/12/1983US4393411 Laser read-write system for the production of engravings
07/12/1983US4393410 Multiple camera automatic digitizer and method
07/12/1983US4393399 Method and apparatus for partial electronic retouching of colors
07/12/1983US4393398 Apparatus for simulating color printing process
07/12/1983US4393387 Beam recording apparatus effecting the recording by a plurality of beams
07/07/1983WO1983002377A1 Recording picture processing system
07/06/1983EP0083247A2 Facsimile data converting system
07/06/1983EP0083176A2 System and apparatus for the conversion of video signals into images on a light-responsive recording surface
07/05/1983US4392194 Circuit arrangement for controlling a large number of printing electrodes for non-mechanical printing
07/05/1983US4391490 Interface for proximity coupled electro-optic devices
06/1983
06/29/1983EP0082707A2 Apparatus and method for high speed thermal printing
06/29/1983EP0082281A1 Electrophotographic printer and method of electrophotographic printing
06/28/1983US4390903 Imaging system and method with mid-tone enhancement
06/28/1983US4390884 Printhead stylus assembly
06/28/1983US4390882 Density adjusting method in image recording
06/28/1983US4390235 Multibeam scanning apparatus provided with a function of changing magnification
06/28/1983US4390176 Sheet clamping device
06/28/1983US4389935 Method and apparatus for controlling a printer
06/28/1983CA1149080A1 System and method for producing artwork for printed circuit boards
06/28/1983CA1149066A1 Self scanned photosensitive array
06/22/1983EP0081767A2 Character and image processing apparatus
06/21/1983US4389712 High information density laser image recording method and apparatus
06/21/1983US4389677 Method and apparatus for removing erroneous elements from digital images
06/21/1983US4389674 Preamplifier for low voltage signals in the presence of high voltage noise
06/21/1983US4389672 Display of pseudo-gray scale picture signals on multilevel displays
06/21/1983US4389667 Flying spot scanner for use in a color printing process simulating apparatus
06/21/1983US4389655 Optical device for non-contact recording and particular facsimile reproduction of images and test
06/21/1983US4389610 Electrostatic probe device and method of manufacturing such a device
06/21/1983CA1148659A1 Code converting circuits
06/21/1983CA1148658A1 Method and apparatus for electronically aligning active elements of an imaging array with an optical system
06/15/1983EP0081375A2 Picture image processing magnetic disc controlling method and apparatus therefor
06/15/1983EP0081362A2 Facsimile apparatus
06/14/1983US4388653 Method for controlling writing timings of picture signals to be stored in a memory
06/14/1983US4388652 Synchronized, variable speed capstan motor drive system for facsimile recorder
06/14/1983US4388628 Multi-color thermal transfer recorder
06/14/1983US4388526 Measuring apparatus with response adjustment
06/14/1983CA1148260A1 Apparatus for sensing non-coded images
06/14/1983CA1148255A1 Illumination and pick up apparatus
06/14/1983CA1148251A2 Subscriber control unit for use in a subscription television system and method for operating the same
06/14/1983CA1148210A1 Suspension arrangement for an oscillating body
06/14/1983CA1148089A1 System for producing screened images
06/08/1983EP0080866A1 Photocell array
06/07/1983US4387435 Picture printing device
06/07/1983US4387428 Method of and apparatus for processing a radiation image
06/07/1983US4387395 Facsimile to video converter
06/07/1983US4386771 Method of removing a sheet from a drum
06/07/1983CA1147846A1 Facsimile method and apparatus for setting white level
06/07/1983CA1147662A1 System and method for storage and retrieval of platemaking data
06/01/1983EP0080350A1 Image reproduction