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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04/20/1994 | EP0592501A1 Pad for use in scanning data stored on a flat surface |
04/20/1994 | EP0474762B1 Method and apparatus for correcting shading effects in video images |
04/20/1994 | EP0247179B1 Multitone ink jet printing apparatus |
04/19/1994 | US5305399 Two dimensional shift-array for use in image compression VLSI |
04/19/1994 | US5305397 Image communication apparatus |
04/19/1994 | US5305376 Facsimile machine with voice answer unit |
04/19/1994 | US5305314 Global load smoothing in a real time data imaging network system |
04/19/1994 | US5305122 Image reading and processing apparatus suitable for use as a color hand-held scanner |
04/19/1994 | US5305119 Color printer calibration architecture |
04/19/1994 | US5305118 Methods of controlling dot size in digital halftoning with multi-cell threshold arrays |
04/19/1994 | US5305117 Facsimile apparatus with improved print reduction mode |
04/19/1994 | US5305116 Image transmission device |
04/19/1994 | US5305114 Electronic blackboard apparatus |
04/19/1994 | US5305111 Run length encoding method and system |
04/19/1994 | US5305069 Two color image forming apparatus |
04/19/1994 | US5305057 Image forming apparatus having correction means for modifying image density signals according to a gradation correction table |
04/19/1994 | US5305056 Method of controlling diagnostics in a printing system |
04/19/1994 | US5305023 Multicolor printing apparatus |
04/19/1994 | US5305022 Interlaced multi-beam scanning type recording apparatus |
04/19/1994 | US5304813 Apparatus for the optical recognition of documents |
04/19/1994 | US5304786 High density two-dimensional bar code symbol |
04/19/1994 | CA2009963C Adaptive thresholding technique |
04/14/1994 | WO1994008423A1 System for softproofing a color reproduction |
04/14/1994 | WO1994008314A1 Dot code and information recording/reproducing system for recording/reproducing dot code |
04/14/1994 | WO1994008274A1 Method and apparatus for converting image color values from a first to a second color space |
04/14/1994 | WO1994007656A1 Rotary scanning drum and method of manufacture thereof |
04/14/1994 | WO1994000973A3 Information coding and transmission process |
04/14/1994 | WO1993026116A3 Method and apparatus for reproducing an image with gray level printing |
04/13/1994 | EP0592147A2 Color reproduction method and apparatus |
04/13/1994 | EP0592146A2 Color reproduction method and apparatus |
04/13/1994 | EP0592141A2 Method and apparatus for high fidelity color reproduction |
04/13/1994 | EP0592132A1 Method and apparatus for scanning and printing |
04/13/1994 | EP0592108A2 Solid area toner reduction |
04/13/1994 | EP0592099A1 Computer workstation |
04/13/1994 | EP0592029A1 Still image coding device and corresponding decoding device |
04/13/1994 | EP0592018A2 Image forming apparatus and developer for developing electrostatic images |
04/13/1994 | EP0592016A2 Image-forming machine |
04/13/1994 | EP0591977A1 Image processor and printing apparatus |
04/13/1994 | EP0591974A2 Image processing apparatus |
04/13/1994 | EP0591931A1 Method and apparatus for encoding and performing color multivariable transforms |
04/13/1994 | EP0591783A2 Image processing apparatus and method thereof |
04/13/1994 | EP0591739A2 Working storage management in medical imaging systems |
04/13/1994 | EP0591543A1 Image reader |
04/13/1994 | EP0591274A1 Improved error diffusion system |
04/13/1994 | CN2162054Y Facsimile printer capable of long-range transmission data of computer |
04/13/1994 | CN1024245C Apparatus for automatically centering video zoom and pan display |
04/12/1994 | US5303366 Interface card for scanner |
04/12/1994 | US5303342 Method and apparatus for assembling a composite image from a plurality of data types |
04/12/1994 | US5303341 Video processor for a printing apparatus |
04/12/1994 | US5303335 Image forming apparatus |
04/12/1994 | US5303334 System for generating a rasterized graphic image |
04/12/1994 | US5303313 Method and apparatus for compression of images |
04/12/1994 | US5303251 Method and circuit arrangement for driving a laser diode |
04/12/1994 | US5303080 Beam scanning system including actively-controlled optical head |
04/12/1994 | US5303071 Color corrector in an apparatus for producing color image |
04/12/1994 | US5303070 Method and apparatus for selection of data packets in double sided scanning |
04/12/1994 | US5303069 Method for producing a multitone image |
04/12/1994 | US5303068 Image data processing apparatus for difference scanning methods |
04/12/1994 | US5303067 Computer connection circuit in facsimile |
04/12/1994 | US5303066 Image communication system having a function for shortening the pre-messaging procedure |
04/12/1994 | US5303065 Asynchronous, noncontinuous video clock apparatus |
04/12/1994 | US5303064 Image scanner with calibration mechanism to obtain full dynamic range and compensated linear output |
04/12/1994 | US5303056 Dynamic gain correction for CRT printing |
04/12/1994 | US5303053 Charge coupled device for overcoming an output voltage difference between different shift registers |
04/12/1994 | US5303028 Spectrometer apparatus for calibrating color imaging apparatus |
04/12/1994 | US5303027 Photodiode array |
04/12/1994 | US5302973 Method and apparatus for image registration in a single pass ROS system |
04/12/1994 | US5302972 Method of setting density for image recording apparatus |
04/12/1994 | US5302969 Document format setting method and apparatus |
04/07/1994 | DE4233238A1 Conference information and display system for hotel installations - has large screen projection from overhead or video projector coupled to video recorder and satellite information |
04/06/1994 | EP0590923A2 Method for compressing, processing, and storing grayscale bitmaps |
04/06/1994 | EP0590922A2 Improved decompression of standard ADCT-compressed images |
04/06/1994 | EP0590921A1 Color printer calibration architecture |
04/06/1994 | EP0590907A2 Scanner/plotter and rotatable drum for use therein |
04/06/1994 | EP0590884A2 Image forming method and apparatus |
04/06/1994 | EP0590860A1 A specific set of rotated screens for digital halftoning |
04/06/1994 | EP0590854A1 Controlling ink migration and physical color gamut discontinuities in digital color printing |
04/06/1994 | EP0590853A1 Ink-jet printer color palette selection method and system |
04/06/1994 | EP0590852A2 Color separation in color graphics printing with limited memory |
04/06/1994 | EP0590848A1 Color variation control method for ink-jet printers |
04/06/1994 | EP0590763A1 Electronic separation scanner |
04/06/1994 | EP0590679A1 Sheet-like medium dispensing apparatus |
04/06/1994 | EP0590668A1 Method and apparatus for producing overlapping image area |
04/06/1994 | EP0590609A1 Electric appliance, its assembling method, and its housing structure |
04/06/1994 | EP0590600A2 A blue noise based technique for use in a halftone tile oriented screener |
04/06/1994 | EP0590599A1 Facsimile apparatus |
04/06/1994 | EP0590559A1 Image reading apparatus |
04/06/1994 | EP0590533A1 An image forming apparatus |
04/06/1994 | EP0590498A1 Compound depth image display system |
04/06/1994 | EP0235203B2 Film video player/printer with cropping control |
04/06/1994 | CN2161032Y Automatic starter for facisimile apparatus |
04/06/1994 | CN2161031Y Auto-power switch for facsimile equipment |
04/06/1994 | CN2161030Y Super-small FM wireless picture transmission apparatus |
04/06/1994 | CN1085036A Personal number communications system |
04/05/1994 | US5301271 Image processing separately processing two-density-level image data and multi-level image data |
04/05/1994 | US5301265 Apparatus for converting N picture elements to M picture elements |
04/05/1994 | US5301262 Image processor |
04/05/1994 | US5301244 Computer input scanner incorporating multiple scanning modes |
04/05/1994 | US5301243 Hand-held character-oriented scanner with external view area |
04/05/1994 | US5301242 Apparatus and method for motion video encoding employing an adaptive quantizer |