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)
08/1990
08/22/1990EP0383331A2 Color document image processing apparatus
08/22/1990EP0383308A2 Image reading device
08/22/1990EP0383307A2 Image reading apparatus
08/21/1990US4951228 Method of generating raster data useful in reproducing a multitone image
08/21/1990US4951160 Image reproducing apparatus
08/21/1990US4951159 Digital modulation technique
08/21/1990US4951158 Image scanner apparatus with scanning magnification correcting function
08/21/1990US4951156 Facsimile circuit monitor system
08/21/1990US4951155 Apparatus and method for synchronizing videodisc images with audio signals
08/21/1990US4951153 Image recording device with optical switch panel over photsensitive body
08/21/1990US4951152 Circuit for controlling thermal array recording head
08/21/1990US4951132 Color scanner having monitoring apparatus capable of displaying a plurality of originals in parallel
08/21/1990US4951065 Period varying beam recorder
08/21/1990US4950904 Radiation image read-out apparatus
08/21/1990US4950895 Read-out system for a luminescent storage screen in a x-ray diagnostics installation
08/21/1990US4950889 Chromatic and misalignment compensation in a multiple beam laser scanning system
08/21/1990US4950888 Scanning beam synchronization system
08/21/1990CA1273111A1 Data compression
08/20/1990CA2010338A1 Method of producing a multiple layer identification card, an apparatus for practicing such method and an identification card
08/16/1990EP0382581A2 Image processing apparatus
08/16/1990EP0382580A2 Image processing apparatus
08/16/1990EP0382568A2 Image sensor and photoelectric conversion apparatus using the same
08/16/1990EP0382549A2 Apparatus for image reading or processing
08/16/1990EP0382540A2 Sensor chip and photoelectric conversion apparatus using the same
08/16/1990EP0382416A2 Facsimile service
08/16/1990EP0382293A1 Method of and apparatus for converting the resolution of an image represented by a pattern of bivalent pixels
08/16/1990EP0382044A2 Electronic camera system with detachable printer
08/16/1990EP0382023A1 Ink jet recording method and color ink jet recording device for practicing the same
08/16/1990EP0381705A1 Method for transmitting compressed digital video signals
08/16/1990EP0218633B1 Apparatus and method for modifying color digital images
08/14/1990US4949391 Adaptive image acquisition system
08/14/1990US4949199 Magnetic recording/reproduction apparatus
08/14/1990US4949190 Collation of buffered multi-page documents
08/14/1990US4949189 Two-sided document scanning apparatus
08/14/1990US4949188 Image processing apparatus
08/14/1990US4949184 Color image recorder with correction of gradation errors in light shielding mask images and visibly developed images
08/14/1990US4949175 Digital data transmission system
08/14/1990US4949135 Visual based process control apparatus which is based on a near uniform human visual response space
08/14/1990US4949101 Fluorescent printer head
08/14/1990US4949100 For use in an image forming system
08/14/1990CA1272633A1 Apparatus for electronic scanning and microfilming of documents
08/10/1990WO1990009716A1 Text-to-speech converter of a facsimile graphic image
08/10/1990CA2007744A1 Electronic camera system with detachable printer
08/09/1990WO1990009075A2 Digital halftoning with error diffusion
08/09/1990WO1990009018A1 Image processing apparatus
08/09/1990WO1990009005A1 Method and apparatus for thresholding an image signal
08/08/1990EP0381282A1 Method of and apparatus for the image-wise exposure of a lightsensitive medium by means of a number of light valves
08/08/1990EP0381129A1 Compression of binary halftones
08/08/1990EP0381078A2 Coding method of image information
08/08/1990EP0380870A1 Packaged sheet for cleaning facsimile machines
08/08/1990EP0380687A1 Simple electronic file system
08/08/1990EP0380575A1 Decompression apparatus for digital video signals
08/08/1990EP0380510A1 Laser beam-induced colour printing.
08/08/1990CN1044544A Method for color image processing
08/07/1990WO1991017646A2 Picture coding, for example for telefax and colour television
08/07/1990US4947450 Optical reading apparatus
08/07/1990US4947447 Method for data coding
08/07/1990US4947445 Shading correction using variable slicing threshold
08/07/1990US4947444 Image processing method and apparatus
08/07/1990US4947345 Queue management system for a multi-function copier, printer, and facsimile machine
08/07/1990US4947271 Multi-channel recording apparatus
08/07/1990US4947269 Image reproduction apparatus capable of dividing an image into parts for reproduction on respective sheets
08/07/1990US4947268 Data transmission system
08/07/1990US4947267 Image reading apparatus
08/07/1990US4947266 Image processing system
08/07/1990US4947262 Hand-held manually sweeping printing apparatus
08/07/1990US4947261 Portable image input device
08/07/1990US4947260 Method and apparatus for generating composite images
08/07/1990US4947259 Image signal compressing device
08/07/1990US4947204 Photographic printer
08/07/1990US4947186 Apparatus and method for a UV laser image recorder
08/07/1990US4947158 Method and apparatus for filling in an inner region of a pattern
08/07/1990US4947043 Radiation image recording and read-out apparatus
08/07/1990US4947039 Flat stationary field light beam scanning device
08/07/1990US4946234 Light beam deflection scanning method and an apparatus therefor
08/02/1990DE4002991A1 Ferngesteuerte elektronische einzelbildkamera Remote-controlled electronic single imager
08/02/1990DE4002990A1 Elektronische einzelbildkamera Single electronic imaging camera
08/02/1990DE4002179A1 Image storage with data compression of partial images - involves division of image into portions contg. number of pixels compatible with size of display screen
08/02/1990DE4001531A1 Image processing system for digital copying - has digital copier with input received by correction circuit for background improvement
08/01/1990EP0379700A2 Exposure compensation for a line scan camera
08/01/1990CN1044371A Cursor controller for alternate-line scanning display
08/01/1990CN1044353A Graphics images data compression method
08/01/1990CN1044348A Method of and apparatus for recording halftone images and halftone images produced thereby
08/01/1990CN1009048B Image signal coding device
08/01/1990CA2014200A1 Method and device for automatically numbering stationary articles
07/1990
07/31/1990US4945502 Digital image sharpening method using SVD block transform
07/31/1990US4945422 False density contour suppression using stored random probabilities to form print/no-print decisions
07/31/1990US4945410 Satellite communications system for medical related images
07/31/1990US4945406 Apparatus and accompanying methods for achieving automatic color balancing in a film to video transfer system
07/31/1990US4945405 Color image read apparatus with shading and color balance correction
07/31/1990US4945385 Image forming apparatus
07/31/1990US4944826 Method and apparatus for preparing a screen printing screen
07/26/1990WO1990008343A1 Computer-generated autostereography method and apparatus
07/26/1990WO1990006033A3 Apparatus for addressing a font to suppress moire patterns occurring thereby and a method for use therein
07/25/1990EP0379445A2 Disk recording and/or reproducing apparatus
07/25/1990EP0379444A2 Audio after recording apparatus
07/25/1990EP0378912A2 Sealing device for facsimile receiving paper
07/25/1990EP0378762A2 Graphics images data compression method
07/25/1990EP0378593A1 Display and writing device
07/24/1990US4943994 Still picture picturephone communications system
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