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)
12/1990
12/05/1990EP0400679A2 Recording and reproducing system
12/05/1990EP0400615A1 Thermal print head
12/05/1990EP0400555A2 An image forming apparatus
12/05/1990EP0400543A2 Facsimile transmission system
12/05/1990EP0400540A2 Document reading device
12/05/1990EP0400490A2 Flat bed scanning type image reader
12/05/1990EP0400251A1 Image-processing method
12/05/1990EP0400240A2 Efficient encoding/decoding in the decomposition and recomposition of a high resolution image utilizing its low resolution replica
12/05/1990EP0400231A1 Reprographic machines
12/05/1990EP0400182A1 Interface circuit arrangement for large area image sensor arrays
12/05/1990CN1010735B Image display
12/05/1990CN1010711B Multifunction ionographic marking apparatus
12/04/1990US4975978 Image signal amplifier
12/04/1990US4975976 Image transformation method and device
12/04/1990US4975866 Interpolation system
12/04/1990US4975861 Color conversion image processing system with modified intensity information calculation
12/04/1990US4975859 Method of controlling photo printer and apparatus therefor
12/04/1990US4975787 Sheet conveying and reading apparatus
12/04/1990US4975786 Image processing method and apparatus with error diffusion capability
12/04/1990US4975785 Pel resolution addressing conversion
12/04/1990US4975784 Method for graving printing forms
12/04/1990US4975783 Facsimile machine having error correction mode
12/04/1990US4975781 Apparatus for preventing paper clogging in a recording device
12/04/1990US4975780 Ink jet image recording apparatus with control of scan line recording width
12/04/1990US4975779 Method of recording an image
12/04/1990US4975776 Image pickup apparatus having a photoconductive section
12/04/1990US4975769 Apparatus for color modification adapted to represent the pictorial image
12/04/1990US4975768 Image signal processing with suppression of background portion of image
12/04/1990US4975738 Method of forming an image on both sides of a sheet
12/04/1990US4975737 Method for reproducing correct images from incorrect exposure images
12/04/1990US4975729 Electronic printer using a fiber optic bundle and a linear, one-dimensional light source
12/04/1990US4975728 Flying spot scanner-printer
12/04/1990US4975717 Apparatus for recording image
12/04/1990US4975626 Scanner motor controller for controlling the rotating speed of a scanner motor
12/04/1990US4975580 Radiation image read-out and reproducing apparatus
12/04/1990US4975143 Forming patterns in photopatternable material on flat substrate surface
12/04/1990US4974928 Integral fiber optic printhead
12/04/1990US4974927 Original-illuminating device for use in an image-reading device
12/04/1990US4974810 Flare light compensation
12/04/1990US4974673 System for the production of crude oil by the injection of treatment fluids
12/04/1990CA1277298C Light source unit
11/1990
11/29/1990WO1990014731A1 Page buffer for an electronic gray-scale color printer
11/29/1990WO1990014726A1 Apparatus for forwarding a message
11/29/1990WO1990014230A1 Electronic photogravure apparatus
11/29/1990DE4016642A1 Information signal exchange between signal processors - converting source information signal on transmit side processor into image data
11/28/1990EP0399970A1 Image scan apparatus
11/28/1990EP0399668A2 An image recording apparatus
11/28/1990EP0399651A2 Apparatus and method of scanning image data
11/28/1990EP0399509A1 Image forming apparatus
11/28/1990EP0399487A2 Transformation coding device
11/28/1990EP0399446A2 Digital copying system using an IC card
11/28/1990EP0399408A2 Apparatus for facsimile transmission
11/28/1990EP0398938A1 Video player sensor cable
11/28/1990EP0398875A1 Image storage and retrieval apparatus
11/27/1990US4974254 Interactive data retrieval system for producing facsimile reports
11/27/1990US4974253 System and method for controlling facsimile apparatus in response to a computer generated signal or a CNG signal
11/27/1990US4974171 Page buffer system for an electronic gray-scale color printer
11/27/1990US4974099 Communication signal compression system and method
11/27/1990US4974098 Original table for reading images
11/27/1990US4974097 Data communication apparatus
11/27/1990US4974096 Photofinishing process with film-to-video printer using dedicated magnetic tracks on film
11/27/1990US4974079 Band compressed video signal transmission system
11/27/1990US4974078 Digital compression method and system with improved coding efficiency
11/27/1990US4974072 Image reading apparatus having a plurality of line sensors and means for correcting crosstalk therebetween
11/27/1990US4974071 Color image data encoding apparatus having improved resolution/efficiency characteristics
11/27/1990US4974070 Colorgraphic reproduction system
11/27/1990US4974069 Apparatus for automatically adapting an input video signal for a color printing device
11/27/1990US4974068 Apparatus for reading a film image with a photoelectric converting element and for adjusting the gain of said element
11/27/1990US4974067 Multi-step-digital color image reproducing method and apparatus
11/27/1990US4974058 Color signal processing apparatus using a plurality of sample-and-hold circuits and a single switched A/D converter
11/27/1990US4973989 Halftone laser recording with plural beams
11/27/1990US4973151 Film constraint and illumination system
11/27/1990US4973150 Film constraint and film writing system
11/27/1990US4973121 Scanner
11/22/1990EP0398763A2 Image forming apparatus
11/22/1990EP0398680A2 ISDN facsimile apparatus operable as a common terminal adapter for plural non-ISDN facsimile apparatuses
11/22/1990EP0398604A2 A facsimile apparatus
11/22/1990EP0398502A2 Method and system for providing a colour match between a scanned colour test pattern and the respective printout of a colour printer, using a closed control loop
11/22/1990EP0398422A1 An exposure and printing device
11/22/1990EP0398328A2 Codec system encoding an decoding an image signal at a high speed
11/22/1990EP0398314A2 An apparatus for binarizing image signals
11/22/1990EP0398295A2 A camera capable of recording and reproducing a photographed image
11/22/1990EP0398268A2 Video printer device
11/22/1990EP0398204A2 Automatic routing of documents sent over fax network between data processing systems
11/22/1990EP0398185A2 Electronic filing apparatus for filing documents using mark sheet
11/22/1990EP0398184A2 Electronic filing apparatus
11/22/1990EP0397807A1 Apparatus for simultaneously filtering and resampling digital data
11/22/1990DE4015903A1 Sheet transport for laser printer
11/22/1990DE3448323C2 Photoelectric transducer module with line scanners - has several aligned transducer elements with charge capacitors, discharging on light reception
11/20/1990US4972502 Image signal binary encoder
11/20/1990US4972501 Image processing apparatus
11/20/1990US4972500 Image density processor
11/20/1990US4972497 Image coding system
11/20/1990US4972473 Data communication method and apparatus using neural-networks
11/20/1990US4972273 High speed, high resolution image processing system
11/20/1990US4972271 Image recording apparatus
11/20/1990US4972270 Facsimile recorder with acutely mounted staggered array ink jet printhead
11/20/1990US4972264 Method and apparatus for viewing an overscanned image
11/20/1990US4972257 Printing system
11/20/1990US4972256 Method of enhancing image sharpness for image reproduction using sharp/unsharp signal processing
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