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)
04/1985
04/23/1985US4513300 Apparatus for driving a semiconductor laser for use in a laser-beam printer
04/23/1985US4512632 Original reading apparatus
04/23/1985US4512625 Scanner optics with no cross scan field curvature
04/23/1985CA1186057A1 Image data conversion method and character code/character pattern conversion apparatus
04/23/1985CA1186011A1 Electrostatic recording head, a method for manufacturing the same, and an apparatus for practicing this method
04/17/1985EP0137695A2 Method of signal transmission with selected signal transmission rate
04/17/1985EP0137674A1 Radiation image read-out apparatus
04/17/1985EP0137559A1 Exposure device
04/17/1985EP0137552A2 Stepped polygon scan mirror
04/17/1985EP0137465A2 Film-based dual energy radiography
04/17/1985EP0137208A2 Input bit stream conversion method
04/16/1985US4511992 System for reconstituting, by filtering, an analog signal from a pseudo-analog signal
04/16/1985US4511989 Linear interpolating method and color conversion apparatus using this method
04/16/1985US4511930 Electro-optical information recording and reproduction system
04/16/1985US4511929 Picture image information recording apparatus
04/16/1985US4511928 System and method for high quality image reproduction with grayscale image print while store capability
04/16/1985US4511925 High intensity ultraviolet light video imaging apparatus
04/16/1985US4511893 Method of storing images in the form of contours and photo-typesetting apparatus thereof
04/16/1985US4511804 Noise reduction apparatus for hybrid image sensor
04/16/1985US4511246 Size detecting device of a copy document suitable for electrophotographic copying machine
04/16/1985US4511213 Coding method for multilevel-gradated picture signal
04/16/1985CA1185648A1 System and film gate for accurately imaging information on a film by a charged particle beam
04/11/1985WO1985001629A1 Multi-purpose facsimile machine
04/09/1985USRE31863 Row grabbing system
04/09/1985US4510618 Noise cleaner for binary images
04/09/1985US4510524 Color picture reading system
04/09/1985US4510523 Two-color copying machine
04/09/1985US4510511 Picture recording method and apparatus
04/09/1985US4510506 Recording apparatus
04/09/1985US4510390 Electronic method and apparatus for distance measurement through the use of equidistant thermal fiducial markings
04/09/1985US4509826 Optical image staggering/destaggering arrangement for multiple array scanning system
04/09/1985CA1185189A1 Video printing apparatus
04/03/1985EP0136045A2 A method and system for producing and reproducing images
04/03/1985EP0135994A2 Method for transmitting broadband information over a narrow band transmission medium
04/03/1985EP0135908A2 Digital fluoroscopy apparatus
04/03/1985EP0135723A1 Radiation photographing apparatus
04/02/1985US4509194 Apparatus for producing a code word
04/02/1985US4508422 Optical scanning system
03/1985
03/28/1985WO1985001408A1 Colour image control device for a colour monitor
03/28/1985WO1985001258A1 Railroad communication system
03/27/1985EP0135414A1 Image pick-up optoelectronic sensor
03/26/1985US4507685 Image recording device
03/26/1985CA1184589A1 Extended thin film light modulator/scanner
03/20/1985EP0134681A1 Damping system for micro-deflector
03/20/1985EP0134648A1 Half-tone image reproduction
03/20/1985EP0134472A2 Laser beam scanner apparatus
03/20/1985EP0041982B1 A method for recording signals on bands by means of laser beams and apparatus for carrying out the method
03/19/1985US4506382 Apparatus for detecting two-dimensional pattern and method for transforming the pattern into binary image
03/19/1985US4506342 Document information filing system
03/19/1985US4506304 Apparatus for transferring pre-recorded image signal information from one recording medium to a master recording medium
03/19/1985US4506302 Cut sheet facsimile
03/19/1985US4506301 Multiple mode raster scanner
03/19/1985US4506300 Film video player with zoom, scan, and automatic border control
03/19/1985US4506275 Image scanning and recording device
03/19/1985US4506272 Thermal printing head
03/19/1985US4506152 Illumination system
03/19/1985US4505603 Thermal transfer color printer and a method relating thereto
03/19/1985US4505578 Braked gravity transport for laser reading and writing systems
03/19/1985US4505576 System for storage and printing a plurality of images
03/19/1985US4505574 Copying machine
03/19/1985US4505552 Adjustable electro-optical device
03/19/1985US4505551 Illumination and light gate utilization methods and apparatus
03/19/1985CA1184068A1 Apparatus for thermal printing
03/14/1985WO1985001174A1 Picture element generator for facsimile receiver
03/14/1985WO1985001173A1 A method and device for decoding two-dimensional facsimile signals
03/14/1985WO1985001172A1 Method and device for two-dimensional facsimile coding
03/14/1985WO1985001171A1 Facsimile device for run length coding
03/14/1985WO1985001170A1 Apparatus for digitalizing images by analysis by means of a light beam
03/13/1985EP0134067A1 Self-receipting continuous stationery for point-of-sale terminal
03/12/1985US4504969 Rectangular pattern recognition apparatus
03/12/1985US4504868 Control system for a line scanning type output unit
03/12/1985US4504860 Method and process for transmitting an image
03/12/1985US4504354 Method and apparatus for forming gravure cells in a gravure cylinder
03/12/1985US4504160 Color printer and multi-ribbon cartridge therefor
03/12/1985US4504126 field flattening lens system for use in an optical imaging system
03/12/1985US4504119 One-dimensional liquid crystal scanner
03/12/1985US4504115 Digital facsimile communication system capable of representing tone differences
03/12/1985CA1183977A1 Information processing apparatus
03/05/1985US4503556 Method for automatic recognition of white blocks as well as text, graphics and/or gray image areas on a printed master
03/05/1985US4503469 Picture image enlarging/reducing system
03/05/1985US4503468 For a communications link
03/05/1985US4503458 Color hardcopy apparatus
03/05/1985US4503457 Tint laying device for use in a picture reproducing machine
03/05/1985US4503444 Method and apparatus for generating a gray scale with a high speed thermal ink jet printer
03/05/1985US4503439 Thin-film, compliant, non-pressure-point-telegraphing, electromagnetic read/write head structure
03/05/1985US4503427 Apparatus for displaying stored picture information in association with a cursor
03/05/1985CA1183506A1 Thermal recording apparatus
02/1985
02/28/1985WO1985000949A1 Image processing method base on processing of interrelated image gradients
02/28/1985WO1985000778A1 Self receipting continuous stationery for point-of-sale terminal
02/27/1985EP0133442A2 Encoding and decoding system for video signal processing
02/26/1985US4502081 Variable density scanner
02/26/1985US4502080 Operation device for facsimile
02/26/1985US4501931 Color information input system for electronic blackboard
02/26/1985US4501467 Scanning system employing a laser beam
02/26/1985CA1183258A1 Recording system
02/19/1985US4500972 Apparatus for converting digital chrominance signals of a cartesian color coordinate system into digital color signals and saturation signals of a polar color coordinate system and a transformation circuit
02/19/1985US4500929 Method of engraving an invisible joint within a gravure printing cylinder
02/19/1985US4500927 Original reading device
02/19/1985US4500926 Data-recording apparatus
02/19/1985US4500919 Color reproduction system
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