| 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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| 04/18/1995 | US5408340 Facsimile transmission control method |
| 04/18/1995 | US5408339 Image area discriminating device |
| 04/18/1995 | US5408338 Image processing unit processing pixel data according to scan line density |
| 04/18/1995 | US5408337 Reduction of moire by adaptively selecting a smoothing filter for smoothing halftone image portions, based on evaluation of blocks of transformation factors resulting from discrete cosine transformed pixel data blocks |
| 04/18/1995 | US5408336 Image processing apparatus with variable smoothing processing |
| 04/18/1995 | US5408335 Image processing device for correcting an offset of an image signal |
| 04/18/1995 | US5408329 Image enhancement through digital darkness control |
| 04/18/1995 | US5408328 Compressed image virtual editing system |
| 04/18/1995 | US5408250 Portable computer for short-range graphical multiparty communication |
| 04/18/1995 | US5408095 Optical scanner having an image forming mirror and means for reducing scanning line pitch irregularities |
| 04/18/1995 | CA2045360C Signal detecting device |
| 04/18/1995 | CA2039028C Image processor |
| 04/18/1995 | CA1335309C Method for encoding and decoding a digital image |
| 04/13/1995 | DE4436175A1 Method and system for accessing a computer via a telephone handset |
| 04/13/1995 | DE4435900A1 Image generating system |
| 04/13/1995 | DE4334712A1 Reproduction system |
| 04/12/1995 | EP0648042A1 Colour reproduction system |
| 04/12/1995 | EP0648041A1 Method of and apparatus for modifying base separation figure |
| 04/12/1995 | EP0648040A2 Image-dependent exposure enhancement |
| 04/12/1995 | CN1101444A Device for recording pictures and for printing out on a carriermaterial |
| 04/12/1995 | CN1101433A Combined modulator schemes for spatial light modulators |
| 04/11/1995 | US5406423 Apparatus and method for retrieving audio signals from a recording medium |
| 04/11/1995 | US5406394 Color reproducing method used in an image data processing system comprising independent input and output devices |
| 04/11/1995 | US5406393 Image processing apparatus with means for indicating error in data reception |
| 04/11/1995 | US5406392 Image recording apparatus using multiple recording of the same image information to obtain high resolution and tonality |
| 04/11/1995 | US5406390 Half tone image processing apparatus |
| 04/11/1995 | US5406389 Method and device for image makeup |
| 04/11/1995 | US5406388 Data communication apparatus |
| 04/11/1995 | US5406387 Facsimile apparatus capable of preventing receipt of unauthorized facsimile transmissions |
| 04/11/1995 | US5406386 Image data transmitting/receiving apparatus |
| 04/11/1995 | US5406385 Facsimile device with motor startup during initialization |
| 04/11/1995 | US5406384 Document filing apparatus in which a title and/or a key word is selected from image information displayed |
| 04/11/1995 | US5406383 Method and apparatus for outputting a pattern in a selected one of a plurality of output resolutions |
| 04/11/1995 | US5406380 Film recorder with interface for user replaceable memory element |
| 04/11/1995 | US5406379 Method of hybrid halftone printing by limiting the number of gray pixels and gray pixel levels |
| 04/11/1995 | US5406325 Method and apparatus for forming a source-independent image data metric from second generation photographic films |
| 04/11/1995 | US5406282 Data coding and decoding with improved efficiency |
| 04/11/1995 | US5406070 Method and apparatus for scanning an object and correcting image data using concurrently generated illumination data |
| 04/11/1995 | US5406066 Method and apparatus for correcting color registration error |
| 04/11/1995 | CA2010637C Binary image reduction method |
| 04/07/1995 | CA2107823A1 Narrow bandwidth high resolution fiber optic ccd scanner/camera for b and w/color 3-d or 2-d images |
| 04/06/1995 | WO1995009510A1 Telecommunications system incorporating integrated camera and video compression/encoding apparatus |
| 04/06/1995 | WO1995009508A1 System and method for halftoning using an overlapping threshold array |
| 04/06/1995 | WO1995009507A1 Data transmission device and method |
| 04/06/1995 | DE4333810A1 Recording or playback device for colour pictures |
| 04/05/1995 | EP0647061A1 Color space conversion |
| 04/05/1995 | EP0647060A1 Method and apparatus for image-dependent color shifting |
| 04/05/1995 | EP0647059A2 Recording apparatus and control method therefor |
| 04/05/1995 | EP0647058A2 Digital halftone rendering of a gray scale image with frequency-dependent diagonal correlation |
| 04/05/1995 | EP0647057A1 System for custom imprinting a variety of articles with images obtained from a variety of different sources |
| 04/05/1995 | EP0647056A1 Image recording apparatus |
| 04/05/1995 | EP0647034A1 A variable word length code decoding method, and a decoder for performing the same |
| 04/05/1995 | EP0647013A1 A method and apparatus for synchronizing system operations using a programmable element |
| 04/05/1995 | EP0646467A2 Laser printing system |
| 04/05/1995 | EP0451255B1 Laser printer |
| 04/05/1995 | CN1101196A Image processing method and apparatus |
| 04/05/1995 | CN1101195A 通信系统 Communications systems |
| 04/05/1995 | CN1101190A Data message storage and pick up service |
| 04/05/1995 | CN1101136A Gray scale printing using spatial light modulator |
| 04/04/1995 | US5404479 Electronic filing apparatus for filing and retrieving document data in a disk storage medium |
| 04/04/1995 | US5404432 Bifurcating background colors between word and non-word space for improving text readability |
| 04/04/1995 | US5404427 Video signal processing with added probabilistic dither |
| 04/04/1995 | US5404411 Bitmap-image pattern matching apparatus for correcting bitmap errors in a printing system |
| 04/04/1995 | US5404393 Method and apparatus for interactive television through use of menu windows |
| 04/04/1995 | US5404387 Body scanning system |
| 04/04/1995 | US5404232 Calibration system for a raster input scanner |
| 04/04/1995 | US5404231 Sender-based facsimile store and forward facility |
| 04/04/1995 | US5404229 Facsimile apparatus with ink ejection recording means recoverable between the transmission of consecutive pages of image data by another facsimile apparatus |
| 04/04/1995 | US5404206 Image scanning mechanism using direct drive mechanism |
| 04/04/1995 | US5404203 Image forming apparatus including image forming condition correction arrangement and method for correcting image forming condition in image forming apparatus |
| 04/04/1995 | US5404202 Apparatus for registering images in a xerographic system |
| 04/04/1995 | US5404199 Control apparatus of copying machine with improved communication function for centralized control unit |
| 04/04/1995 | US5404187 Virtual drum imagesetter |
| 04/04/1995 | US5404159 Image forming apparatus having toner particle modulator with elliptical aperture |
| 04/04/1995 | US5404156 Method and apparatus for forming a full-color image |
| 04/04/1995 | US5404139 Serial data decoder |
| 04/04/1995 | CA2014158C Magneto-optic memory medium |
| 04/04/1995 | CA1335080C Method of and apparatus for processing color image |
| 03/31/1995 | CA2133263A1 Variable word length code decoding method, and a decoder for performing the same |
| 03/30/1995 | WO1995008815A1 Image mirroring and image extension for digital filtering |
| 03/30/1995 | WO1995008443A1 Error detection apparatus and method for use with engravers |
| 03/30/1995 | DE4434535A1 Faksimile-Übertragungsgerät für ein unbeschichtetes Papierblatt Facsimile transmission device for an uncoated paper sheet |
| 03/30/1995 | DE4433707A1 Reinigungsfolie für zum Beispiel einen Scanner und Verfahren zum Verwenden einer solchen Cleaning film for, for example, a scanner and method of using such a |
| 03/30/1995 | DE4433705A1 Optical scanning system |
| 03/30/1995 | DE4427992A1 Verfahren zum Erzeugen einer Dokumenten-Darstellung aus einem Bitmap-Bild eines Dokuments A method for generating a document representation of a bitmapped image of a document |
| 03/30/1995 | DE4331873A1 Multi-image camera |
| 03/29/1995 | EP0645931A1 Collaborative video conferencing system |
| 03/29/1995 | EP0645924A1 Method and apparatus for exposing photosensitive media with multiple light sources |
| 03/29/1995 | EP0645737A1 Spatial-filtering unit for performing adaptive edge-enhancement process |
| 03/29/1995 | EP0645734A2 Enhancement of multiple color images |
| 03/29/1995 | EP0645245A1 Image output apparatus and image formation system for correcting density unevenness |
| 03/29/1995 | EP0643897A4 A facsimile device. |
| 03/29/1995 | CN1100874A 图象处理器 Image processor |
| 03/29/1995 | CN1100865A Voice/image simultaneous communication apparatus |
| 03/29/1995 | CN1100815A Image printer |
| 03/28/1995 | US5402409 Optical recording apparatus and method for adding information in a sub-scanning direction and for deflecting a light beam to an optimum sub-scanning recording position |
| 03/28/1995 | US5402253 Color conversion method and apparatus with a variable gray component replacement ratio |
| 03/28/1995 | US5402252 Image reader and image reproducing system both having a line sensor |
| 03/28/1995 | US5402251 Image reading apparatus with separated scanner |
| 03/28/1995 | US5402250 Document processing system |