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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05/04/1994 | EP0595583A1 Non-visualized information recording medium and apparatus for detecting the same |
05/04/1994 | EP0595504A1 Model-based halftoning of color images |
05/04/1994 | EP0595483A1 Methods and apparatus for automatic switching between transmission of a spectrally redundant outgoing signal and reception of an incoming signal |
05/04/1994 | EP0595403A1 Device for coding digital signals representative of images and corresponding decoding device |
05/04/1994 | EP0595353A1 A method of and an apparatus for generating a normalizing curve |
05/04/1994 | EP0595218A1 Image sub-sampling apparatus and method |
05/04/1994 | EP0594992A1 Information signal processing apparatus |
05/04/1994 | EP0594901A1 Image compression method |
05/04/1994 | EP0269746B1 Data communication equipment |
05/03/1994 | US5309558 Set addressing for electronic printing machines |
05/03/1994 | US5309528 Image digitizer including pixel engine |
05/03/1994 | US5309526 Image processing system |
05/03/1994 | US5309524 Image reducing apparatus |
05/03/1994 | US5309507 Data communication apparatus for maintaining data integrity during an interruption request |
05/03/1994 | US5309450 Error correction coding method and apparatus for digital image information |
05/03/1994 | US5309376 Methods and apparatus for testing image processing apparatus |
05/03/1994 | US5309274 Optical beam scanning apparatus |
05/03/1994 | US5309270 Optical scanning system |
05/03/1994 | US5309258 Pattern image generation device for image processing system |
05/03/1994 | US5309257 Method and apparatus for providing color matching between color output devices |
05/03/1994 | US5309256 Method of and apparatus for processing image and correction chart employed in the apparatus |
05/03/1994 | US5309255 Storage phosphor reader apparatus |
05/03/1994 | US5309254 Image processing apparatus capable of processing halftone image data |
05/03/1994 | US5309253 Image enlargement/reduction processor and method |
05/03/1994 | US5309251 Communication apparatus capable of connecting memory card |
05/03/1994 | US5309247 Image pick-up device |
05/03/1994 | US5309246 Technique for generating additional colors in a halftone color image through use of overlaid primary colored halftone dots of varying size |
05/03/1994 | US5309245 Image forming apparatus having function for forming composite image |
05/03/1994 | US5309244 Image process apparatus with hologram lenses arranged in a concentric form or a spiral form |
05/03/1994 | US5309243 Method and apparatus for extending the dynamic range of an electronic imaging system |
05/03/1994 | US5309242 Film image input system for maintaining a desired image moving speed and scanning direction |
05/03/1994 | US5309240 CCD linear image sensor including a CCD shift register on both sides of linearly arranged photosensor cells |
05/03/1994 | US5309232 Dynamic bit allocation for three-dimensional subband video coding |
05/03/1994 | US5309205 Image forming apparatus having magnification error compensation |
05/03/1994 | US5309183 Image pickup apparatus having difference encoding and non-linear processing of image signals |
05/03/1994 | US5309182 Bicolor image forming apparatus for forming a bicolor image on a photoconductive element |
05/03/1994 | US5309178 Laser marking apparatus including an acoustic modulator |
05/03/1994 | US5309177 Image recording apparatus |
05/03/1994 | US5308969 Image sensor |
05/03/1994 | CA2002608C Method of cutting off recording paper on facsimile apparatus |
05/01/1994 | CA2102018A1 Methods and apparatus for automatic switching between transmission of a spectrally redundant outgoing signal and reception of an incoming signal |
04/28/1994 | WO1994009595A1 Method and apparatus including system architecture for multimedia communications |
04/28/1994 | WO1994009594A1 Encoder and decoder |
04/28/1994 | WO1994009591A1 Copying machine with encoding function |
04/28/1994 | WO1994009589A1 Apparatus having original transfer mechanism |
04/28/1994 | WO1994009588A1 Video printer |
04/27/1994 | EP0594447A1 Image reading apparatus, copying apparatus, image processing apparatus, and image processing method |
04/27/1994 | EP0594446A1 Photo-sensor and image processing apparatus |
04/27/1994 | EP0594445A1 Image processing apparatus and method therefor |
04/27/1994 | EP0594444A1 Image reading apparatus and copying apparatus |
04/27/1994 | EP0594365A2 Imaging module mounting apparatus |
04/27/1994 | EP0594338A2 Video decompression apparatus and method |
04/27/1994 | EP0594312A1 Method and apparatus for converting color image data to a non-linear palette |
04/27/1994 | EP0594195A1 A direct-contact type image sensor device, an image sensor unit, and methods for producing the same |
04/27/1994 | EP0594185A1 Communication system |
04/27/1994 | EP0594078A2 Cordless subunit facsimile system |
04/27/1994 | EP0594070A1 Noise reduction in a storage phosphor data acquisition system |
04/27/1994 | EP0593989A2 Method of and apparatus for forming halftone images |
04/27/1994 | EP0593968A1 Cache-based data compression/decompression |
04/27/1994 | EP0593798A1 Method and apparatus for elimination of color from multi-color image documents |
04/27/1994 | EP0593706A1 Cordless electronic stylus and electronic ink-well |
04/27/1994 | EP0593538A1 Laser beam scanning apparatus and method |
04/27/1994 | EP0397669B1 Input scanner |
04/27/1994 | CN1086024A Process cartridge and image forming apparatus |
04/27/1994 | CN1024384C Video graphics display memory swizzle logic circuit and method |
04/26/1994 | US5307480 Method for reporting power fail in a communication system |
04/26/1994 | US5307462 Switch for sharing a peripheral device |
04/26/1994 | US5307458 Input/output coprocessor for printing machine |
04/26/1994 | US5307454 Apparatus for extracting local image from original image |
04/26/1994 | US5307426 Image processing apparatus with improved dithering scheme |
04/26/1994 | US5307425 Bi-level halftone processing circuit and image processing apparatus using the same |
04/26/1994 | US5307404 Signal detecting device |
04/26/1994 | US5307182 Methods and apparatus for multigeneration color image processing |
04/26/1994 | US5307181 Screen generation for halftone screening of images using scan line segments of oversized screen scan lines |
04/26/1994 | US5307180 Method and apparatus for controlling the processing of digital image signals |
04/26/1994 | US5307179 Facsimile apparatus, and method of communication |
04/26/1994 | US5307178 Facsimile terminal equipment |
04/26/1994 | US5307177 High-efficiency coding apparatus for compressing a digital video signal while controlling the coding bit rate of the compressed digital data so as to keep it constant |
04/26/1994 | US5307176 System for storing and retrieving duplicate fascimile information |
04/26/1994 | US5307175 Optical image defocus correction |
04/26/1994 | US5307174 High efficiency facsimile transmission apparatus |
04/26/1994 | US5307167 Digital zooming system utilizing image buffers and employing an approximated bilinear interpolation method |
04/26/1994 | US5307160 Apparatus for still image reproduction which includes plural image busses |
04/26/1994 | US5307135 Color image forming apparatus having mono-color image forming function |
04/26/1994 | US5307131 Color image registration system using vacuum transfer drum |
04/26/1994 | US5307122 Image forming apparatus apparatus unit facsimile apparatus and developer comprising hydrophobic silica fine powder for developing electrostatic images |
04/26/1994 | US5307118 Electrophotographic process control device using fuzzy logic |
04/26/1994 | US5306908 Manually operated hand-held optical scanner with tactile speed control assembly |
04/26/1994 | CA2008426C Facsimile service |
04/26/1994 | CA1328756C Polycone scanning system with multiple beams |
04/24/1994 | CA2107324A1 Model-based halftoning of color images |
04/21/1994 | DE4235172A1 Medical X-ray equipment with image input system - has row of stored image points of one individual image forming section of line of composite image reproduced by playback unit |
04/20/1994 | EP0593304A2 Apparatus and method for generating void and cluster dither templates |
04/20/1994 | EP0593226A1 Image printing method and apparatus therefor |
04/20/1994 | EP0593184A1 Image processing apparatus for cut and paste |
04/20/1994 | EP0593114A1 Method of assigning a colour indication to picture elements in a colour reproduction system |
04/20/1994 | EP0593018A2 Image forming apparatus having self-repair function and self-repair method for the apparatus |
04/20/1994 | EP0593013A2 Coding apparatus |
04/20/1994 | EP0592775A2 Pixel image enhancement employing a reduced template memory store |
04/20/1994 | EP0592769A1 Method to convert bitmaps to monochrome data |