Patents
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
08/1993
08/11/1993EP0399036B1 Spectrometer apparatus for self-calibrating color imaging apparatus
08/10/1993US5235680 Apparatus and method for communicating textual and image information between a host computer and a remote display terminal
08/10/1993US5235674 Method and device for adapting a printer into an autonomous facsimile apparatus
08/10/1993US5235620 Information signal demodulating apparatus
08/10/1993US5235438 Image scanning and recording method and apparatus for compensating for a pyramidal error of a rotating polygon
08/10/1993US5235437 Analog/digital image processor apparatus with liquid crystal light modulator
08/10/1993US5235436 Image processing apparatus
08/10/1993US5235435 Method of producing halftone images
08/10/1993US5235434 Method and apparatus for selectively adjusting the brightness of large regions of an image
08/10/1993US5235433 System and method for automatically indexing facsimile transmissions received in a computerized image management system
08/10/1993US5235432 Video-to-facsimile signal converter
08/10/1993US5235430 Facsimile system with simplified detection of changing points to realize high speed MR coding operation
08/10/1993US5235396 Image processing apparatus having an image processing mode selected by a special sheet
08/10/1993US5235353 Compact ink jet recording apparatus with particular design for recording medium conveyance and support
08/10/1993US5235349 Optical scanner having variable power function and system using the same
08/10/1993US5235183 Optical scanner using tilted film media
08/10/1993US5235174 Image sensor having dual shift registers and a plurality of capacitors
08/08/1993CA2088863A1 Method and apparatus for compressing and extending an image
08/08/1993CA2088862A1 Method for compressing and extending an image by transforming orthogonally and encoding the image
08/05/1993WO1993015584A2 Facsimile arrangement
08/05/1993WO1993015582A1 Communications system for remote connections, especially fax and telephone links
08/05/1993WO1993015564A1 Near-end communications line characteristic measuring system
08/05/1993WO1993015491A1 Apparatus for scrambling and unscrambling documents
08/05/1993WO1993015466A1 Method and apparatus for publication of information
08/05/1993DE4203021A1 Decentral audio and video facsimile generation procedure - transmitting reproducible contributions via radio or TV network outside normal transmission time
08/05/1993DE4202874A1 Quiescent current supply circuit for telecommunication terminal - is either installed as auxiliary equipment or integrated into receiving appts. which is switched on when incoming message is recognised
08/05/1993DE4202834A1 Photogravure printing avoiding moire effects - using formula involving only whole numbers to determine size and angular position of grid mesh
08/05/1993CA2127698A1 Method and apparatus for publication of information
08/04/1993EP0554115A1 Image processing method and apparatus
08/04/1993EP0554002A2 Method and apparatus for processing image
08/04/1993EP0553963A2 Signal processing method for output from a solid image sensor
08/04/1993EP0553579A1 Telecopier with improved scanning and reading unit
08/04/1993EP0553574A1 Printing method and an apparatus therefor
08/04/1993EP0553549A1 Architecture for transferring pixel streams
08/04/1993EP0553304A1 Telecommunications device and related method
08/04/1993EP0553286A1 A large area digital scanner
08/04/1993EP0334937B1 Image discrimination
08/04/1993CN1075044A 传真装置 Facsimile device
08/04/1993CN1075043A Facsimile apparatus and functional expansion unit therefor
08/04/1993CN1075042A Facsimile apparatus and roll-like sheet holder
08/04/1993CN1075022A Image processing apparatus and method thereof
08/04/1993CN1021759C Method and apparatus for disposition and transmission of pictures
08/03/1993US5233684 Method and apparatus for mapping a digital color image from a first color space to a second color space
08/03/1993US5233653 Apparatus and method for enciphered facsimile transmission and reception
08/03/1993US5233627 Multimode modem for facsimile
08/03/1993US5233531 Remote postage meter resetting by facsimile communication
08/03/1993US5233469 Imaging optical system using index distribution type optical elements
08/03/1993US5233443 Original reading apparatus having a reduced size and thickness
08/03/1993US5233442 Photosensor and image reading device with improved correction means for signal correction and image reading method
08/03/1993US5233441 Method for representing halftone dots with dot envelope parameters
08/03/1993US5233439 Disk player with improved sound during different speed video reproductions
08/03/1993US5233414 Color image processing apparatus
08/03/1993US5233413 Electronic image processing with automatic color correction
08/03/1993US5233412 Color image processing device which produces a corrected color image signal
08/03/1993US5233402 Color image forming apparatus with improved color image registration
08/03/1993US5233368 Recording apparatus having alterable recording density
08/03/1993US5233367 Multiple beam interlaced scanning system
08/03/1993US5233366 Half-tone printing with thermal ink jet using random spot distribution in one dimension
08/03/1993US5233188 Laser beam scanning apparatus for scanning a laser beam obtained by composing a plurality of beams
08/03/1993US5233178 Contact type image sensor and method of producing the same
08/03/1993US5233177 Optical sensor with fiberless optical member
08/03/1993US5232321 Apparatus for engraving images
08/03/1993US5232294 Recording head driving device for printer
08/03/1993US5232216 Sheet feeding apparatus for flat bed optical scanner
08/01/1993CA2060421A1 Digitizing scanning apparatus and method
07/1993
07/28/1993EP0552960A1 Image communicating apparatus
07/28/1993EP0552926A2 Single pass color printer
07/28/1993EP0552909A1 Image recording apparatus
07/28/1993EP0552849A2 Image reading apparatus
07/28/1993EP0552805A1 Three dimensional photographic printing apparatus and method
07/28/1993EP0552803A2 Halftone image recording device
07/28/1993EP0552746A1 Facsimile apparatus
07/28/1993EP0552565A2 Input/output coprocessor for printing machine
07/28/1993EP0552544A1 An improved method for decoding compressed images
07/28/1993EP0552367A1 Multi-address calling system for facsimile
07/28/1993EP0552236A1 Method and apparatus for the primary and secondary routing of fax messages using hand printed characters
07/27/1993US5231677 Image processing method and apparatus
07/27/1993US5231575 Image read-out apparatus
07/27/1993US5231574 Method for detecting artifact signal components
07/27/1993US5231519 Image processor which converts image with poor resolution into image with improved resolution
07/27/1993US5231518 Image processing apparatus for preparing printing plates having lengthwise or crosswise patterns
07/27/1993US5231517 Image signal processing apparatus for detecting the valid picture portions of an image signal
07/27/1993US5231516 Folding-order image forming apparatus
07/27/1993US5231515 Image reading device
07/27/1993US5231514 Image data processing device
07/27/1993US5231513 Image forming apparatus
07/27/1993US5231511 Still image recording/playback apparatus with player electronics connectable to an electronic still camera to initiate predetermined operating modes
07/27/1993US5231510 Information retrieval system utilizing facsimile communication and paper forms with preset format
07/27/1993US5231506 Generation of hard copy color photo reproductions from digitally created internegative
07/27/1993US5231504 Method for improved color reproduction using linear mixing calculations based on positional relationships between an original color and an achromatic region in a linear mixing space
07/27/1993US5231501 Still video apparatus
07/27/1993US5231482 Image filing apparatus and method for thereby encoding and storing various documents
07/27/1993US5231452 Image forming control method using variable state factors and fuzzy computation
07/27/1993US5231450 Three-dimensional color image printer
07/27/1993US5231428 Imaging device which compensates for fluctuations in the speed of an image receiving surface
07/27/1993US5231427 Image recording apparatus
07/27/1993CA1320771C Communication apparatus utilizing a telephone line
07/27/1993CA1320763C System and method for formatting a composite still and moving image defining electronic information signal
07/27/1993CA1320760C Video color detector and chroma key device and method
07/22/1993WO1993014600A1 Method and apparatus for compression and decompression of color image data