| 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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| 01/17/1990 | CN1038911A Premastering system |
| 01/17/1990 | CN1038908A Telecommunicator |
| 01/16/1990 | US4894843 Data communication system |
| 01/16/1990 | US4894730 Manually sweeping contact sensitive copier with image data memory |
| 01/16/1990 | US4894729 Picture element data generating method |
| 01/16/1990 | US4894727 Image processing system and method |
| 01/16/1990 | US4894726 Methods and apparatus for eliminating Moire interference using quasiperiodic patterns |
| 01/16/1990 | US4894713 Method of coding video signals |
| 01/16/1990 | US4894712 Density gradation control type thermal printer |
| 01/16/1990 | US4894665 Method of generating an expanded color set of a low resolution color printer |
| 01/16/1990 | US4894540 Image forming method using secondary electrons from object for noise elimination |
| 01/16/1990 | US4894524 Laser recording apparatus with laser intensity control |
| 01/16/1990 | US4893926 Focusing for optical print heads |
| 01/16/1990 | US4893558 Image reproduction |
| 01/11/1990 | WO1990000337A1 Image storage and retrieval apparatus |
| 01/11/1990 | WO1990000267A1 Apparatus and method for producing color corrected reproduction of coloured original images |
| 01/11/1990 | DE3823075A1 Method and device for focusing an image of an original onto an image surface of a camera tube or the like |
| 01/10/1990 | EP0350328A2 Offset, gain and bad pixel correction in electronic scanning arrays |
| 01/10/1990 | EP0349780A2 Image processing apparatus |
| 01/10/1990 | EP0349677A2 Image coding system |
| 01/10/1990 | EP0349628A1 Electro-optical recorder with plural resolution recording. |
| 01/10/1990 | EP0185662B1 Apparatus for producing clock signals for scanner |
| 01/09/1990 | US4893333 Interactive facsimile system and method of information retrieval |
| 01/09/1990 | US4893196 Image reading apparatus |
| 01/09/1990 | US4893195 Image processing apparatus capable of eliminating moire pattern |
| 01/09/1990 | US4893194 Multi-copy system for a digital copier |
| 01/09/1990 | US4893191 Gradation control device for thermal ink-transfer type printing apparatus |
| 01/09/1990 | US4893190 Gradation control device for thermal ink-transfer type printing apparatus |
| 01/09/1990 | US4893189 Portable image scanner |
| 01/09/1990 | US4893188 Document image entry system |
| 01/09/1990 | US4893187 Image processing apparatus |
| 01/09/1990 | US4893181 Interactive image modification |
| 01/09/1990 | US4893180 Color image signal processing method |
| 01/09/1990 | US4893179 Digital color copying machine |
| 01/09/1990 | US4893178 Simulator for automatic photographic printing apparatus including inversion circuitry and spectral characteristic compensation |
| 01/09/1990 | US4893177 Apparatus and a method for generating manuscripts to reproduce a color print |
| 01/09/1990 | US4893137 Recording apparatus and ink cartridge |
| 01/09/1990 | US4893136 Arithmetically computed motor hunt compensation for flying spot scanners |
| 01/09/1990 | US4893135 Laser printer with position registration enhancement |
| 01/09/1990 | US4893133 Thermal printing apparatus for forming a continuous tone dye image |
| 01/09/1990 | US4893012 Radiation image read-out and reproducing apparatus |
| 01/03/1990 | EP0349234A2 Image processing system |
| 01/03/1990 | EP0349169A2 Quadrature amplitude modulation with line synchronization pulse for video telephone |
| 01/03/1990 | EP0348792A1 Method and apparatus for processing electric signals obtained by scanning a line of an image |
| 01/03/1990 | EP0348703A2 Image processing method |
| 01/03/1990 | EP0348651A2 Dual density digital image system |
| 01/03/1990 | EP0160656B1 An electrophotographic information printer |
| 01/02/1990 | US4891836 Communication terminal having a charge displaying function |
| 01/02/1990 | US4891768 Raster image processor |
| 01/02/1990 | US4891714 Apparatus for non-linear error diffusion thresholding of multilevel video images |
| 01/02/1990 | US4891713 Method of sampling picture signals and apparatus therefor |
| 01/02/1990 | US4891711 Document reader for a digital copier |
| 01/02/1990 | US4891710 Bi-level image display signal processing apparatus |
| 01/02/1990 | US4891709 Flexible formatting interface for pictorial data transfer |
| 01/02/1990 | US4891702 Image expansion apparatus |
| 01/02/1990 | US4891693 Reference marking device for image transmitters |
| 01/02/1990 | US4891692 Color image reading apparatus having variable exposure control |
| 01/02/1990 | US4891691 Still image color sequential photographic apparatus |
| 01/02/1990 | US4891690 Color image reading apparatus with plural linear sensors which can read different lines of the image |
| 01/02/1990 | US4891634 Image processing system with designatable output location and output resolution control |
| 01/02/1990 | US4891633 Digital image exchange system |
| 01/02/1990 | US4891265 Packaged sheet for cleaning facsimile machines |
| 01/02/1990 | CA1264199A1 Front-end system |
| 12/28/1989 | WO1989012848A1 Method of making a mask for discriminating a fragment of image |
| 12/28/1989 | WO1989012801A1 Drawn printed can and production method thereof |
| 12/27/1989 | EP0348237A2 A laser beam projecting unit |
| 12/27/1989 | EP0348145A1 Image forming and processing apparatus |
| 12/27/1989 | EP0348090A1 Color image inputting system and apparatus therefor |
| 12/27/1989 | EP0348047A1 Modulating radiation beams |
| 12/27/1989 | EP0348003A2 Apparatus for optically writing information |
| 12/27/1989 | EP0347805A2 Method of and apparatus for recording image on photosensitive material with a plurality of photobeams |
| 12/27/1989 | EP0347725A2 Electronic blackboard and accessories such as writing tools |
| 12/27/1989 | CA1264058A1 Intermittent drive for a paper supply roller |
| 12/26/1989 | US4890314 Teleconference facility with high resolution video display |
| 12/26/1989 | US4890167 Apparatus for processing image signal |
| 12/26/1989 | US4890164 Image sensor having charge storage regions |
| 12/26/1989 | US4890161 Decoding apparatus |
| 12/26/1989 | US4890121 Halftone image printing device |
| 12/21/1989 | DE3919979A1 Verfahren zur umwandlung der gradation eines digitalen bilds, schaltung hierfuer, druckdichtesteuergeraet fuer einen drucker und drucker zur verwendung des verfahrens Process for the conversion of the gradation of a digital image, tripping here for, druckdichtesteuergeraet for a printer and printer for use of the procedure |
| 12/21/1989 | DE3919302A1 Einrichtung zum uebertragen von bildinformation Means for carry over of picture information |
| 12/21/1989 | DE3819828A1 Beam-splitting for optoelectronic image recording |
| 12/20/1989 | EP0347358A1 Electrophotographic machines with toner density balance and stroke width control |
| 12/20/1989 | EP0346442A1 An optical reader head. |
| 12/19/1989 | US4888812 Document image processing system |
| 12/19/1989 | US4888795 Videotelephone apparatus for transmitting high and low resolution video signals over telephone exchange lines |
| 12/19/1989 | US4888777 Semiconductor laser control apparatus |
| 12/19/1989 | US4888650 Image forming apparatus with function of auto error correction for optical system |
| 12/19/1989 | US4888648 For storing image information |
| 12/19/1989 | US4888647 Image recording apparatus with improved SOS detection |
| 12/19/1989 | US4888645 Method for encoding and decoding a digital image |
| 12/19/1989 | US4888636 Image reproducing system |
| 12/19/1989 | US4888635 Illuminating apparatus and recording apparatus making use of the same |
| 12/19/1989 | US4888618 Image forming apparatus having ambient condition detecting means |
| 12/19/1989 | US4888492 Image reading apparatus |
| 12/14/1989 | WO1989012369A1 Multi-beam laser scanner system |
| 12/14/1989 | DE3919351A1 Method for high-vacuum xerography |
| 12/13/1989 | EP0346019A1 Film image reader/scanner apparatus |
| 12/13/1989 | EP0345977A1 Improvements relating to image processing |
| 12/12/1989 | US4887305 Method of adjusting read-out conditions for radiation image |
| 12/12/1989 | US4887227 Image input processor |