Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802) |
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10/13/1987 | US4700236 Image processing apparatus with improved gamma-correction |
10/13/1987 | US4700235 Method and apparatus for producing half-tone printing forms with rotated screens on the basis of randomly selected screen threshold values |
10/13/1987 | US4700234 Image processing system |
10/13/1987 | US4700233 Image sensors having alternating arrays of high and low sensitivity picture elements |
10/13/1987 | US4700206 Image formation apparatus |
10/13/1987 | US4700201 Dot corrected laser printer |
10/13/1987 | US4700149 Matching beam modulators |
10/13/1987 | US4700071 Method of recording and reproducing an electron microscope image |
10/13/1987 | US4700066 Light beam scanning apparatus for reading out or recording an image |
10/13/1987 | US4700061 Optical reader |
10/13/1987 | US4700058 Film writing system with closed loop control for electronic images |
10/13/1987 | US4699498 Image projector with liquid crystal light shutter |
10/13/1987 | US4699446 Dynamic power control for an external cavity stabilized laser diode in a holographic scanner |
10/13/1987 | US4699365 Recirculating document feeder |
10/13/1987 | US4699034 Roll paper handling apparatus |
10/08/1987 | WO1987006089A1 Digital color image processing method employing histogram normalization for tone and color reproduction |
10/08/1987 | WO1987006088A1 Apparatus and method for controlling a thermal printer apparatus |
10/08/1987 | WO1987006016A1 Scanning apparatus |
10/08/1987 | WO1987006015A1 Scanning apparatus |
10/07/1987 | EP0240384A1 Memory imaging system |
10/07/1987 | EP0240347A2 Raster output scanners |
10/07/1987 | EP0240202A1 Halftone image printing device |
10/07/1987 | EP0240002A2 A laser recording apparatus |
10/07/1987 | EP0240000A2 Apparatus for separating electromagnetic waves |
10/07/1987 | EP0239955A2 Solid state image sensor with cell array of amorphous semiconductor photoelectric converting elements |
10/07/1987 | EP0239936A2 A tresholding algorithm selection apparatus |
10/07/1987 | EP0239840A2 Soft copy display of facsimile images |
10/06/1987 | US4698778 Method of processing gradation information with variable magnification |
10/06/1987 | US4698691 Halftone image processing method |
10/06/1987 | US4698690 Image signal processor |
10/06/1987 | US4698689 Progressive image transmission |
10/06/1987 | US4698688 Image processing system |
10/06/1987 | US4698669 Color picture reader and method for operating the same |
10/06/1987 | US4698648 Image recording method and apparatus such as a light beam multiformat camera |
10/06/1987 | US4698647 High resolution photographic film printer |
10/06/1987 | US4698646 Thermal transfer recording system |
10/06/1987 | US4698511 Document sheet size or position recognition device |
10/06/1987 | US4698131 Abutted composite assembly gives document-width scanning and ease of repair |
10/06/1987 | US4697910 Image processor |
10/06/1987 | CA1227867A1 Image transmission |
10/06/1987 | CA1227755A1 Method and apparatus for the recognition of hues and colors |
10/06/1987 | CA1227696A1 Thermal transfer color printer for printing on sheets of paper |
10/01/1987 | DE3709442A1 Data entry device |
09/30/1987 | EP0239480A1 Method for reproducing a picture starting from the digitization of the picture |
09/30/1987 | EP0238976A2 Method of tint generation and apparatus therefor |
09/24/1987 | WO1987005768A1 Workstation for use with a digital image communications network |
09/24/1987 | WO1987005767A1 Communication system having a control channel and an image channel |
09/24/1987 | WO1987005766A1 High resolution optical scanner |
09/24/1987 | DE3708272A1 Image information reading device |
09/23/1987 | EP0238254A2 Data compression using block list transform |
09/23/1987 | EP0238034A2 Pixel-density conversion technique for continuous-tone image |
09/23/1987 | EP0238027A2 Optical character recognition apparatus |
09/23/1987 | EP0237940A2 Manual copying apparatus |
09/22/1987 | US4695902 Color video printer includes a color viewer and image adjustment controls which are inhibited during exposure |
09/22/1987 | US4695898 Facsimile machine using cut sheets of paper |
09/22/1987 | US4695897 Image building apparatus |
09/22/1987 | US4695896 Image forming apparatus |
09/22/1987 | US4695895 Image processing system |
09/22/1987 | US4695889 Charge accumulation read-out device with simultaneously read multiple output signals |
09/22/1987 | US4695884 Correction of shading effects in video images |
09/22/1987 | US4695859 Thin film light emitting diode, photonic circuit employing said diode imager employing said circuits |
09/22/1987 | US4695849 Recording apparatus |
09/22/1987 | US4695846 Ink-jet recording process |
09/22/1987 | US4695726 Radiation image reproducing method and apparatus |
09/22/1987 | US4695722 Optical scanner error compensator |
09/22/1987 | US4695717 Semi-conductor device and electronic apparatus using the same |
09/22/1987 | US4695678 Electronic device carrier |
09/17/1987 | DE3708288A1 Method for reducing the amount of data for image coding |
09/16/1987 | EP0237023A1 Radiation image read-out apparatus |
09/16/1987 | EP0236781A2 Image data processing method and apparatus therefor |
09/16/1987 | EP0236594A1 Method of and device for recognizing half-tone image information |
09/16/1987 | EP0236481A1 Electrostatic printing apparatus |
09/16/1987 | EP0236454A1 Contrast control for an electrostatic printer |
09/15/1987 | US4694502 Color image reading apparatus |
09/15/1987 | US4694456 Information signal reproducing apparatus |
09/15/1987 | US4694357 Apparatus and method for video signal processing |
09/15/1987 | US4694356 Modification of color component video signals to compensate for decreasing white sensitivity of photographic element |
09/15/1987 | US4694355 Black and white level adjustment and normalization circuit for a color video printer |
09/15/1987 | US4694354 Method and apparatus for printing trimming instructions for developer of photographs |
09/15/1987 | US4694353 Digital scanner |
09/15/1987 | US4694352 Image information processing system |
09/15/1987 | US4694351 Picture signal processing apparatus |
09/15/1987 | US4694336 Digital data transmission method |
09/15/1987 | US4694332 Color image reader |
09/15/1987 | US4694221 Device for the restitution and/or analyzing of color images using line-type fiber optics cathode ray tube |
09/15/1987 | US4694164 Light beam scanning apparatus |
09/15/1987 | US4694163 Apparatus for scanning sheet-shaped recording medium with a bending roller |
09/15/1987 | US4694156 Pixel placement sensing arrangement using split detecting elements |
09/15/1987 | US4693548 Device for recording information on a photosensitive medium for electrophotography |
09/15/1987 | US4693459 Sheet feeding system in recording apparatus |
09/12/1987 | CN86206431U Portable intelligent terminal for chinese character communication |
09/09/1987 | EP0236080A2 Laser Beam printer |
09/09/1987 | EP0235902A1 Digital image processing |
09/09/1987 | EP0235631A2 Method of forming halftone screen |
09/09/1987 | EP0235618A2 Copying apparatus for laser beam records or the like combined with a sheet film or sheet handling apparatus |
09/09/1987 | EP0235398A1 Method and apparatus for producing a composite record from visually distinguishable images |
09/09/1987 | EP0235200A1 Document scanning system with multi-camera overlap elimination arrangement |
09/09/1987 | EP0148887B1 Disc film scanning apparatus |
09/09/1987 | CN87101889A Optical storage |
09/08/1987 | US4692879 Method of and apparatus for forming the address signals of a screen memory of a half tone dot generator |