Patents
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
04/1994
04/20/1994EP0592501A1 Pad for use in scanning data stored on a flat surface
04/20/1994EP0474762B1 Method and apparatus for correcting shading effects in video images
04/20/1994EP0247179B1 Multitone ink jet printing apparatus
04/19/1994US5305399 Two dimensional shift-array for use in image compression VLSI
04/19/1994US5305397 Image communication apparatus
04/19/1994US5305376 Facsimile machine with voice answer unit
04/19/1994US5305314 Global load smoothing in a real time data imaging network system
04/19/1994US5305122 Image reading and processing apparatus suitable for use as a color hand-held scanner
04/19/1994US5305119 Color printer calibration architecture
04/19/1994US5305118 Methods of controlling dot size in digital halftoning with multi-cell threshold arrays
04/19/1994US5305117 Facsimile apparatus with improved print reduction mode
04/19/1994US5305116 Image transmission device
04/19/1994US5305114 Electronic blackboard apparatus
04/19/1994US5305111 Run length encoding method and system
04/19/1994US5305069 Two color image forming apparatus
04/19/1994US5305057 Image forming apparatus having correction means for modifying image density signals according to a gradation correction table
04/19/1994US5305056 Method of controlling diagnostics in a printing system
04/19/1994US5305023 Multicolor printing apparatus
04/19/1994US5305022 Interlaced multi-beam scanning type recording apparatus
04/19/1994US5304813 Apparatus for the optical recognition of documents
04/19/1994US5304786 High density two-dimensional bar code symbol
04/19/1994CA2009963C Adaptive thresholding technique
04/14/1994WO1994008423A1 System for softproofing a color reproduction
04/14/1994WO1994008314A1 Dot code and information recording/reproducing system for recording/reproducing dot code
04/14/1994WO1994008274A1 Method and apparatus for converting image color values from a first to a second color space
04/14/1994WO1994007656A1 Rotary scanning drum and method of manufacture thereof
04/14/1994WO1994000973A3 Information coding and transmission process
04/14/1994WO1993026116A3 Method and apparatus for reproducing an image with gray level printing
04/13/1994EP0592147A2 Color reproduction method and apparatus
04/13/1994EP0592146A2 Color reproduction method and apparatus
04/13/1994EP0592141A2 Method and apparatus for high fidelity color reproduction
04/13/1994EP0592132A1 Method and apparatus for scanning and printing
04/13/1994EP0592108A2 Solid area toner reduction
04/13/1994EP0592099A1 Computer workstation
04/13/1994EP0592029A1 Still image coding device and corresponding decoding device
04/13/1994EP0592018A2 Image forming apparatus and developer for developing electrostatic images
04/13/1994EP0592016A2 Image-forming machine
04/13/1994EP0591977A1 Image processor and printing apparatus
04/13/1994EP0591974A2 Image processing apparatus
04/13/1994EP0591931A1 Method and apparatus for encoding and performing color multivariable transforms
04/13/1994EP0591783A2 Image processing apparatus and method thereof
04/13/1994EP0591739A2 Working storage management in medical imaging systems
04/13/1994EP0591543A1 Image reader
04/13/1994EP0591274A1 Improved error diffusion system
04/13/1994CN2162054Y Facsimile printer capable of long-range transmission data of computer
04/13/1994CN1024245C Apparatus for automatically centering video zoom and pan display
04/12/1994US5303366 Interface card for scanner
04/12/1994US5303342 Method and apparatus for assembling a composite image from a plurality of data types
04/12/1994US5303341 Video processor for a printing apparatus
04/12/1994US5303335 Image forming apparatus
04/12/1994US5303334 System for generating a rasterized graphic image
04/12/1994US5303313 Method and apparatus for compression of images
04/12/1994US5303251 Method and circuit arrangement for driving a laser diode
04/12/1994US5303080 Beam scanning system including actively-controlled optical head
04/12/1994US5303071 Color corrector in an apparatus for producing color image
04/12/1994US5303070 Method and apparatus for selection of data packets in double sided scanning
04/12/1994US5303069 Method for producing a multitone image
04/12/1994US5303068 Image data processing apparatus for difference scanning methods
04/12/1994US5303067 Computer connection circuit in facsimile
04/12/1994US5303066 Image communication system having a function for shortening the pre-messaging procedure
04/12/1994US5303065 Asynchronous, noncontinuous video clock apparatus
04/12/1994US5303064 Image scanner with calibration mechanism to obtain full dynamic range and compensated linear output
04/12/1994US5303056 Dynamic gain correction for CRT printing
04/12/1994US5303053 Charge coupled device for overcoming an output voltage difference between different shift registers
04/12/1994US5303028 Spectrometer apparatus for calibrating color imaging apparatus
04/12/1994US5303027 Photodiode array
04/12/1994US5302973 Method and apparatus for image registration in a single pass ROS system
04/12/1994US5302972 Method of setting density for image recording apparatus
04/12/1994US5302969 Document format setting method and apparatus
04/07/1994DE4233238A1 Conference information and display system for hotel installations - has large screen projection from overhead or video projector coupled to video recorder and satellite information
04/06/1994EP0590923A2 Method for compressing, processing, and storing grayscale bitmaps
04/06/1994EP0590922A2 Improved decompression of standard ADCT-compressed images
04/06/1994EP0590921A1 Color printer calibration architecture
04/06/1994EP0590907A2 Scanner/plotter and rotatable drum for use therein
04/06/1994EP0590884A2 Image forming method and apparatus
04/06/1994EP0590860A1 A specific set of rotated screens for digital halftoning
04/06/1994EP0590854A1 Controlling ink migration and physical color gamut discontinuities in digital color printing
04/06/1994EP0590853A1 Ink-jet printer color palette selection method and system
04/06/1994EP0590852A2 Color separation in color graphics printing with limited memory
04/06/1994EP0590848A1 Color variation control method for ink-jet printers
04/06/1994EP0590763A1 Electronic separation scanner
04/06/1994EP0590679A1 Sheet-like medium dispensing apparatus
04/06/1994EP0590668A1 Method and apparatus for producing overlapping image area
04/06/1994EP0590609A1 Electric appliance, its assembling method, and its housing structure
04/06/1994EP0590600A2 A blue noise based technique for use in a halftone tile oriented screener
04/06/1994EP0590599A1 Facsimile apparatus
04/06/1994EP0590559A1 Image reading apparatus
04/06/1994EP0590533A1 An image forming apparatus
04/06/1994EP0590498A1 Compound depth image display system
04/06/1994EP0235203B2 Film video player/printer with cropping control
04/06/1994CN2161032Y Automatic starter for facisimile apparatus
04/06/1994CN2161031Y Auto-power switch for facsimile equipment
04/06/1994CN2161030Y Super-small FM wireless picture transmission apparatus
04/06/1994CN1085036A Personal number communications system
04/05/1994US5301271 Image processing separately processing two-density-level image data and multi-level image data
04/05/1994US5301265 Apparatus for converting N picture elements to M picture elements
04/05/1994US5301262 Image processor
04/05/1994US5301244 Computer input scanner incorporating multiple scanning modes
04/05/1994US5301243 Hand-held character-oriented scanner with external view area
04/05/1994US5301242 Apparatus and method for motion video encoding employing an adaptive quantizer