Patents
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
10/1983
10/25/1983US4412225 Method for color representation using colored ink dots
10/25/1983CA1155951A1 Imaging system and method with mid-tone enhancement
10/19/1983EP0091798A2 Solid state image sensor
10/19/1983EP0091501A1 Four-color printing method with tone-value-dependent colour removal
10/18/1983US4411015 Method and apparatus for automatic recognition of image and text/graphics areas on a master
10/18/1983US4410968 Method and apparatus for recording on a disk supported deformable metallic film
10/18/1983US4410965 Data decompression apparatus and method
10/18/1983US4410916 Dual mode facsimile coding system and method
10/18/1983US4410909 Method for automatically determining reproduction picture color control conditions
10/18/1983US4410897 Two-sided recording device
10/18/1983US4410799 Device for controlling radiation image information read out gain
10/18/1983US4410234 Timing pulse generator for scanning apparatus
10/18/1983US4409936 Split type internal combustion engine
10/18/1983CA1155551A1 Method and apparatus for automatic recognition of image and text area on a master
10/18/1983CA1155478A1 Job recovery method and system
10/13/1983WO1983003516A1 Data acquisition system for large format video display
10/13/1983WO1983003468A1 Electrostatic printer of video pictures with grey tones
10/12/1983EP0091296A1 Apparatus for compensating for irregular motion
10/12/1983EP0091280A1 Raster scanning apparatus
10/12/1983EP0091124A2 Video signal generating circuit
10/12/1983EP0090987A1 Coherent light image generation
10/11/1983US4409625 Method and apparatus for information reading in original document readers
10/11/1983US4409624 Raster scanning apparatus
10/11/1983US4409623 Method and equipment for processing gray scale facsimile signal
10/11/1983US4409622 Method of skipping all-white blocks by interposing a white signal piece between two adjacent blocks which are not consecutive in an original facsimile signal
10/11/1983US4409614 Method for the reproduction of originals which, with respect to their color content, are scanned according to a tristimulus method
10/11/1983US4409600 Thermal printer drive circuit
10/11/1983US4409477 Scanning optical system
10/11/1983US4408871 Control system for electrostatic recording apparatus
10/11/1983US4408868 Digital plate maker system and method
10/11/1983US4408826 Apparatus for scanning a laser beam including means for focusing a scale scanning beam and a read/write scanning beam on the same facet of a polygon scanning mirror
10/05/1983EP0090596A1 Video retouching systems
10/05/1983EP0090236A2 System for the digital transmission of television picture signals with reduced redundancy
10/05/1983EP0090140A2 Complex character generator utilizing byte scanning
10/05/1983EP0090058A1 Transistor circuit for switching the printing current in a metal paper printer and for automatically reducing the printing current after spark ignition
10/04/1983US4408301 Picture information filing system
10/04/1983US4408232 Image reading device
10/04/1983US4408231 Method and apparatus for calibrating a linear array scanning system
10/04/1983US4408230 Photosensor array device
10/04/1983US4408212 Multi-color recording device
10/04/1983US4408181 Document data filing/retrieval system
10/04/1983CA1154863A1 Method and apparatus for printing a television picture on a two-dimensional medium
09/1983
09/29/1983EP0079380A4 Pictorial information processing technique.
09/28/1983EP0089931A2 Apparatus for scanning and digitally processing half-tone images
09/28/1983EP0089797A2 Digital image information compression and decompression method and apparatus
09/21/1983EP0089176A2 Tubular incandescent lamp
09/21/1983EP0089174A1 A video retouching system
09/20/1983US4405951 Facsimile control system
09/20/1983US4405929 Thermal head device
09/20/1983US4405857 Solid-state photoelectric converter
09/20/1983CA1154171A1 Imaging and scanning system
09/20/1983CA1154157A1 Method and a device for recorrecting standard color corrections in a color picture recording
09/20/1983CA1154146A1 Adjustable blade for facsimile recording machine
09/20/1983CA1154145A1 Magnification/demagnification apparatus and method
09/14/1983EP0088555A1 Dot matrix printing method and printer therefor
09/14/1983EP0088487A2 Semiconductor device, e.g. for controlling a thermal printing head
09/13/1983US4404598 Copying and engraving apparatus
09/13/1983US4404597 Two dimensional radiometric compensation for scanning apparatus
09/13/1983US4404596 Method and apparatus for the correction of the position error of a multifaceted rotating mirror
09/13/1983US4404570 Laser recorder
09/13/1983US4404569 System and method for producing artwork for printed circuit boards
09/13/1983US4404567 Printing head drive circuit for thermal printer
09/13/1983US4403874 Color printer and multi-ribbon cartridge therefor
09/13/1983US4403848 Electronic color printing system
09/13/1983CA1153700A1 Binary graphic printer system having an electronic screen with shift control suited for rescreening
09/07/1983EP0087970A2 Linear modulators
09/07/1983EP0087912A2 Recording apparatus
09/07/1983EP0087586A1 Lens-on-disc type optical scanning apparatus
09/06/1983US4403258 Method and device for sequentially imaging an original
09/06/1983US4403257 Halftone detection and delineation
09/06/1983US4403249 Apparatus for mixing image signals to obtain a printing master
09/06/1983US4403235 Optical scanning and imaging system utilizing laser diode
09/06/1983US4402599 Scanning surface cleaning method of electrostatic recording apparatus
09/06/1983CA1153460A1 Signature verification system
09/06/1983CA1153242A1 Color printer and multi-ribbon cartridges therefor
09/01/1983WO1983003012A1 Radiation image reader/recorder
08/1983
08/31/1983EP0087284A1 Image storage and transmission systems
08/31/1983EP0086932A1 Intermittent film feeding system
08/31/1983EP0086907A2 Recording apparatus
08/30/1983US4402017 Optical scanning system utilizing light-emitting diodes
08/30/1983US4402016 Apparatus for the photographic reception of images transmitted by means of a modulated electrical signal
08/30/1983US4402015 Picture signal pre-processing method for a picture reproducing machine
08/30/1983US4402012 Two-dimensional digital linear interpolation system
08/30/1983US4402010 Digital television signal processing and transmission system
08/30/1983US4402007 Digital masking operation method and machine
08/30/1983US4401999 Electrostatic high voltage drive circuit using diodes
08/30/1983US4401995 Chart recorder recording method and apparatus
08/30/1983US4401993 Heat-sensitive type multi-gradation image recording apparatus
08/30/1983US4401991 Variable resolution, single array, interlace ink jet printer
08/30/1983US4401024 Electronic patterning with registration control
08/30/1983CA1153054A1 Jet drop copying system
08/24/1983EP0086661A2 Thermal transfer color printer and its method of operation
08/23/1983US4400810 Processing binary data
08/23/1983US4400740 Intensity control for raster output scanners
08/23/1983US4400739 Microballistic facsimile scanner and recorder
08/23/1983US4400738 Image signal processing method and apparatus
08/23/1983US4400737 Apparatus for producing and reproducing embedded pattern
08/23/1983US4400709 Image printer stylus bar, manufacturing method therefor and image printer device
08/23/1983US4400617 Correction circuit of a halftone dot area rate detector
08/23/1983US4399749 Method and apparatus for controlling a thermal color printer