Patents
Sitemap › H04 - Electric communication technique › H04N - Pictorial communication, e.g. television › H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
12/1988
12/13/1988US4791492 Image processing system
12/13/1988US4791491 Supplemental data generation for complementing adjacent lines of facsimile data
12/13/1988US4791466 Line scanner image sensor
12/13/1988US4791306 Method and apparatus for converting image into electrical signals
12/13/1988US4790077 Ruler for fixed-distance movement
12/13/1988CA1246372A1 Method of coalescing laser beams
12/13/1988CA1246365A1 Hermaphroditic optical fibre or electrical connector
12/07/1988EP0294357A1 Picture signals coding method
12/07/1988EP0294193A2 Apparatus for forming color image, and light-sensitive silver halide color photographic material suited for optical scanning exposure
12/07/1988EP0293703A2 Method for recording quasi half-tone pictures and apparatus for converting the tonal data of picture elements
12/07/1988EP0293636A1 Method and apparatus for reading a transparent photostimulable luminescent screen
12/06/1988US4789903 Integrated reader/recorder
12/06/1988US4789902 Image signal processing method
12/06/1988US4789901 Digital reading device for facsimile apparatus
12/06/1988US4789900 Image communication apparatus permitting both immediate recording and storing of a received image transmitted with a magnification chosen according to a current or recently-used recording sheet size at the receiving side
12/06/1988US4789892 Color adjusting device including matrix-masking circuitry
12/06/1988US4789872 Multi-color energy transfer image recording system
12/06/1988US4789856 Display apparatus with interface cable for transfering image data to CRT in parallel format
12/06/1988US4789782 Radiation image recording and reproducing system
12/01/1988DE3816780A1 Method and device for image processing
11/1988
11/30/1988EP0293214A2 System for producing dithered images on asymmetric grids
11/30/1988EP0293041A1 Television transmission system including a pyramidal coding/decoding circuit
11/30/1988EP0292732A2 Halftone dot generator and generating method
11/30/1988EP0292540A1 Process control for electrostatographic machine
11/30/1988EP0292504A1 Communication system having a control channel and an image channel
11/29/1988US4788709 Facsimile communication terminal with memo pattern memory
11/29/1988US4788603 Camera for sequentially photographing a subject using a reference optical system and a telescopic optical system
11/29/1988US4788600 Video apparatus for generating an adjustable contrast video signal from a photographic print
11/29/1988US4788599 Image processing with image-slant control and/or image-size control
11/29/1988US4788598 Coding method and apparatus
11/29/1988US4788595 Image sensor driving circuit
11/29/1988US4788593 High resolution scanning system including optical enlargement
11/29/1988US4788587 Document reading apparatus utilizing printer mechanism with a color filter tape
11/29/1988US4788578 Apparatus for preparing mounting sheet of originals to be scanned
11/29/1988US4788560 Multi-beam scanning system with time sharing beam control
11/24/1988DE3715005A1 Optical reader
11/23/1988EP0292318A2 Direct-contact-type image sensor
11/23/1988EP0292292A2 Image processing apparatus
11/23/1988EP0292284A2 Method and apparatus for processing display colour signal
11/23/1988EP0292253A2 Contact-type image scanner
11/23/1988EP0292212A2 Method of and apparatus for processing color image
11/23/1988EP0292140A2 Photoreceptor
11/23/1988EP0291777A2 Copier with an optional facsimile function
11/23/1988EP0291738A1 Multiimage forming apparatus
11/22/1988US4786976 Image processing apparatus
11/22/1988US4786975 Method for coding facsimiles
11/22/1988US4786974 Image information processing system
11/22/1988US4786964 Electronic color imaging apparatus with prismatic color filter periodically interposed in front of an array of primary color filters
11/22/1988US4786940 Data handling and archiving system
11/22/1988US4786923 Image recording system for image recording in response to signals entered from a recording information generating unit
11/22/1988US4786921 Recording apparatus
11/22/1988US4786919 Method and apparatus for placing information on a medium while compensating for deviations from a characteristic time period
11/22/1988US4786917 In a continuous tone color thermal apparatus
11/22/1988US4786821 Color original reading apparatus having a knife edged reflecting beam splitter
11/22/1988US4786820 Apparatus for parallel-processing image data
11/22/1988US4786819 Method of fabricating a contact type color image sensor
11/22/1988US4786807 Radiation image read-out apparatus
11/22/1988US4786126 Hologon scanner system
11/22/1988CA1245380A1 Facsimile device
11/22/1988CA1245099A1 Thermal mechanism for printing fixed and variable information
11/17/1988WO1988009101A1 Video image processing
11/17/1988WO1988009100A1 Color marking apparatus
11/17/1988WO1988009099A1 Interface device
11/17/1988WO1988009098A1 Method and apparatus for image processing
11/17/1988WO1988009097A1 Transparent sheet light collector for photostimulable phosphor imaging
11/17/1988WO1988008990A1 Method for reading out an image signal stored in a transparent photostimulable phosphor
11/17/1988EP0291313A2 Image recording apparatus
11/17/1988EP0291307A2 Line interface
11/17/1988EP0291300A2 Apparatus for producing an image
11/17/1988EP0291091A2 Image reader having spectroscope for color separation
11/17/1988EP0291077A2 Document sheet position detecting device for image forming apparatus
11/17/1988EP0291042A2 Document scanning machine
11/17/1988EP0291035A2 A light beam deflection scanning apparatus
11/17/1988EP0291000A2 Image area discriminating device
11/17/1988EP0290976A2 Density control system for a digital copier
11/17/1988EP0290963A2 Copier with an optional facsimile function
11/17/1988EP0290949A2 Multi-copy system for a digital copier
11/17/1988EP0290932A2 Magnification changing system for a copier
11/17/1988EP0290887A2 Color converting method
11/17/1988EP0144361B1 Installation and method for handling and retrieving documents and data
11/17/1988DE3715081A1 Method for encrypting digital video signals
11/17/1988DE3715080A1 Method for increasing the reliability of encryption of digital video signals
11/16/1988CN88102717A Nondestructive readout of latent electrostatic image formed on insulating material cross-reference to related applications
11/15/1988US4785357 Device for photocopying parts of documents
11/15/1988US4785355 Image communication apparatus
11/15/1988US4785349 Decoding apparatus
11/15/1988US4785347 Method for emphasizing sharpness of a picture image by forming and processing sharp and unsharp signals from a picture image signal
11/15/1988US4785316 Image recording device
11/15/1988US4785191 Interconnected array of photosensors for simultaneously sensing light intensities at each of a number of locations
11/15/1988US4785183 Method for reading radiation image information
11/15/1988US4784501 Method of enhancing fine line of printer and related circuit
11/09/1988EP0290282A2 Method and apparatus for creating a dither pattern
11/09/1988EP0289944A1 Electronic digital still camera for storing component video signals in memory
11/08/1988US4783842 Image reader for image processing apparatus
11/08/1988US4783841 Data compression
11/08/1988US4783838 Image processing method and apparatus therefor
11/08/1988US4783837 Image processing apparatus
11/08/1988US4783836 Information reading apparatus
11/08/1988US4783834 System for creating transposed image data from a run end or run length representation of an image
11/08/1988US4783707 Automatic control means for a picture image recording device
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