| 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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| 02/02/1994 | EP0581317A2 Method and system for digital image signatures |
| 02/02/1994 | EP0581278A2 Scanner Motor |
| 02/02/1994 | EP0581256A2 Progressive bit plane reconstruction method |
| 02/02/1994 | EP0581241A1 A photographed image reproducing apparatus |
| 02/02/1994 | EP0581101A1 Audio/video communications processor |
| 02/02/1994 | EP0581084A2 Raster image processing with pixel mapping to allow image border density allocation |
| 02/02/1994 | EP0581083A1 Error reduction methods in scanning systems |
| 02/02/1994 | EP0581049A1 Guideplate assembly having substrate velocity control arrangement thereon |
| 02/02/1994 | EP0580687A1 Light collector and read-out apparatus for stimulated radiation image. |
| 02/02/1994 | EP0473638B1 Apparatus for forwarding a message |
| 02/02/1994 | CN1081553A Facsimile apparatuse |
| 02/01/1994 | US5283840 Method and apparatus for extracting image data |
| 02/01/1994 | US5283820 System utilizing portable device |
| 02/01/1994 | US5283793 Laser beam recording apparatus |
| 02/01/1994 | US5283698 Image reading apparatus |
| 02/01/1994 | US5283681 Scanning optical equipment |
| 02/01/1994 | US5283671 Method and apparatus for converting RGB digital data to optimized CMYK digital data |
| 02/01/1994 | US5283669 Reading apparatus using two readout circuits connected in reverse order |
| 02/01/1994 | US5283668 Image reading apparatus with image sensor having selectively readable segments |
| 02/01/1994 | US5283667 Electronic filing apparatus provided with a multiple processing function when image data is displayed |
| 02/01/1994 | US5283666 Area designating apparatus |
| 02/01/1994 | US5283665 Facsimile apparatus |
| 02/01/1994 | US5283664 Apparatus for converting and processing input bi-level image data and faithfully rendering tones, colors, and edges |
| 02/01/1994 | US5283662 Image reading apparatus controllable by external apparatus |
| 02/01/1994 | US5283661 Method and apparatus for assisting in the installation of a facsimile machine |
| 02/01/1994 | US5283658 Image forming apparatus with TTL to ECL conversion between reading and printing circuits |
| 02/01/1994 | US5283657 Recording device for recording a half-tone image using a plurality of recording elements for the same color |
| 02/01/1994 | US5283656 Data compression apparatus for video signal and method of data compression for video signal |
| 02/01/1994 | US5283652 Pattern generation using wipe solid generator |
| 02/01/1994 | US5283647 Compatible digital processing unit for teletext and control method thereof |
| 02/01/1994 | US5283638 Multimedia computing and telecommunications workstation |
| 02/01/1994 | US5283636 Method of reading an original image by scanning |
| 02/01/1994 | US5283554 Mode switching system for a pixel based display unit |
| 02/01/1994 | US5283140 Screening information; arrays of parallel lines; optical density gradients |
| 02/01/1994 | US5282306 Process for the preparation of a draw-formed printed can |
| 02/01/1994 | CA2052678C Print-head and plate-cleaning assembly |
| 01/31/1994 | CA2093842A1 System and method for image mapping in linear space |
| 01/30/1994 | CA2086624A1 Electronic high-fidelity screenless conversion system and method using a separable filter |
| 01/26/1994 | EP0580454A2 Coding and decoding of digital data |
| 01/26/1994 | EP0580424A2 Image processing apparatus having variable magnification means |
| 01/26/1994 | EP0580388A1 Method and apparatus for enhanced resolution and contrast via super intensity controlled overscanned illumination in a two dimensional high addressability printer |
| 01/26/1994 | EP0580376A1 Image processing method to reduce marking material coverage in printing processes |
| 01/26/1994 | EP0580375A1 Image processing apparatus and image communication apparatus |
| 01/26/1994 | EP0580365A1 Color image processing method and apparatus |
| 01/26/1994 | EP0580302A2 Method and apparatus for generating a color palette |
| 01/26/1994 | EP0580293A1 Scanning film during the film process |
| 01/26/1994 | EP0580172A1 Image processing apparatus capable of properly determining density of a background portion |
| 01/26/1994 | EP0580151A2 A process for specifying mean-preserving multi-level halftone matrices with varying amounts of modulation |
| 01/26/1994 | EP0580148A2 Image reading method and apparatus |
| 01/26/1994 | EP0580146A1 Method and associated apparatus for achieving additional signal level resolution from a quantized digital representation of an image |
| 01/26/1994 | EP0580101A2 High-definition video encoding system having color-sensitive quantization |
| 01/26/1994 | EP0579873A1 Method of reproducing text on a raster output device |
| 01/25/1994 | US5282256 Binary image data coding method having the function of correcting errors derived from coding |
| 01/25/1994 | US5282255 Method and apparatus for processing both still and moving visual pattern images |
| 01/25/1994 | US5282242 Facsimile apparatus |
| 01/25/1994 | US5282238 Facsimile radio communication system |
| 01/25/1994 | US5282217 Light source driving apparatus and system utilizing the same |
| 01/25/1994 | US5282187 Picture orientation markable photo compact disk and method and apparatus for using same |
| 01/25/1994 | US5282081 Dual reflecting type and transmitting type scanner |
| 01/25/1994 | US5282065 Facsimile machine for printing documents all with corresponding edges aligned independent of whether individual documents were transmitted top or bottom edge first |
| 01/25/1994 | US5282064 Original-reading apparatus |
| 01/25/1994 | US5282063 Method and apparatus for automatic brightness and contrast control in an image capture system |
| 01/25/1994 | US5282062 Facsimile data processing apparatus |
| 01/25/1994 | US5282061 Programmable apparatus for determining document background level |
| 01/25/1994 | US5282060 Analog/digital converter having input signal gain control function |
| 01/25/1994 | US5282059 Facsimile apparatus comprising converting means for converting binary image data into multi-value image data |
| 01/25/1994 | US5282058 Facsimile device having improved printing process with cut paper |
| 01/25/1994 | US5282057 Bit-map image resolution converter |
| 01/25/1994 | US5282056 Document acknowledge system having horizontal/vertical-run length smoothing algorithm circuits and a document region divide circuit |
| 01/25/1994 | US5282055 Compressing a regular scan image using coding parameter from the prescan image |
| 01/25/1994 | US5282054 Facsimile equipment having different operations with different power sources |
| 01/25/1994 | US5282053 Scan image processing |
| 01/25/1994 | US5282052 Techniques for automatic form creation by combining partial operations |
| 01/25/1994 | US5282051 Apparatus and method for performing resolution conversion on image data with auto correlation |
| 01/25/1994 | US5282050 Dual-side recording apparatus |
| 01/25/1994 | US5282047 Dual input engraving apparatus for producing engravings by multiple engraving techniques |
| 01/25/1994 | US5282046 Color image forming apparatus having a color-correcting unit |
| 01/25/1994 | US5282040 Apparatus for operating a film camera |
| 01/25/1994 | US5282031 Fixed bit rate compression encoding method |
| 01/25/1994 | US5282026 Device for judging the type of color of a document |
| 01/25/1994 | US5282000 Image processing apparatus having an original feed device with two density detectors |
| 01/25/1994 | US5281998 Scheduling color variations for discrete job elements |
| 01/25/1994 | US5281995 Method of determining an exposure for use in an image forming apparatus |
| 01/25/1994 | US5281994 Mirror-holding device |
| 01/25/1994 | US5281981 Method and apparatus for forming image having plural image forming stations |
| 01/25/1994 | US5281979 Laser printer calibration |
| 01/25/1994 | US5281860 Method and apparatus for an improved multiple channel sensor interface circuit |
| 01/25/1994 | US5281812 Light beam scanning system including piezoelectric means for correction of cross scan error |
| 01/25/1994 | US5281803 Image sensor and information processing apparatus |
| 01/25/1994 | CA2100311A1 High-definition video encoding system having color-sensitive quantization |
| 01/20/1994 | WO1994001964A1 Media server for supplying video and multi-media data over the public telephone switched network |
| 01/20/1994 | WO1994001755A1 Method and calibration device for calibrating computer monitors used in the printing and textile industries |
| 01/20/1994 | WO1994000973A2 Information coding and transmission process |
| 01/20/1994 | CA2139861A1 Media server for supplying video and multi-media data over the public telephone switched network |
| 01/19/1994 | EP0579557A1 Portable facsimile apparatus |
| 01/19/1994 | EP0579482A2 Automatic sheet conveying mechanism |
| 01/19/1994 | EP0579391A2 Colour film |
| 01/19/1994 | EP0579288A2 Image forming apparatus with a priority interrupt mode |
| 01/19/1994 | EP0579252A1 Facsimile apparatus |
| 01/19/1994 | EP0579224A1 Color information processing method and apparatus capable of performing gamut compression and accommodating color adaptation |