| 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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| 06/05/1990 | US4932048 Data communication apparatus with voice communication control |
| 06/05/1990 | US4931988 Communication apparatus with a remotely adjustable signal level function |
| 06/05/1990 | US4931957 Image information processing apparatus |
| 06/05/1990 | US4931954 Image storage system and method of storing images such that they are displayed with gradually increasing resolution |
| 06/05/1990 | US4931882 Image recording apparatus with evening of the recording medium |
| 06/05/1990 | US4931881 Method of reducing digital images |
| 06/05/1990 | US4931880 Copying apparatus |
| 06/05/1990 | US4931878 Recording apparatus which is capable of recording two kinds of signals by operation of a single member |
| 06/05/1990 | US4931876 Electrophotographic recording apparatus for a facsimile device |
| 06/05/1990 | US4931875 Image recording system capable of forming image area by area |
| 06/05/1990 | US4931873 Photoelectric linear image sensor having multilayer insulating layer to reduce defects |
| 06/05/1990 | US4931869 Method and circuit arrangement for reducing the data rate of digitized images |
| 06/05/1990 | US4931864 Image forming apparatus which performs gamma correction on the basis of a cumulative frequency distribution produced from a histogram of image data representing a selected area of an image |
| 06/05/1990 | US4931863 Electronic photographic printer/enlarger |
| 06/05/1990 | US4931862 Filter change-over mechanism for use in color image reading apparatus |
| 06/05/1990 | US4931861 Method of and apparatus for correcting color pattern in multicolor process |
| 06/05/1990 | US4931860 Image data composing system and process for storing both monochrome and polychrome image data |
| 06/05/1990 | US4931836 Scanning optical device having at least one reciprocating optical assembly |
| 06/05/1990 | US4931825 Image recording apparatus provided with exposure unit using cathode ray tube |
| 06/05/1990 | US4931815 Multiple image forming apparatus |
| 06/05/1990 | US4931637 Scanner utilizing a particular light guide |
| 06/05/1990 | US4930869 Light beam scanning device |
| 06/05/1990 | US4930849 Laser scanning apparatus and method of scanning using same |
| 06/05/1990 | CA1269834A1 Light emitting diode array |
| 06/02/1990 | CA2004358A1 Method and apparatus for digitizing an image |
| 05/31/1990 | WO1990006034A2 An electronic graphic arts screener that suppresses moire patterns using pseudo-random font selection |
| 05/31/1990 | WO1990006033A2 Apparatus for addressing a font to suppress moire patterns occurring thereby and a method for use therein |
| 05/31/1990 | WO1990006032A2 Electronic graphic arts screener |
| 05/31/1990 | WO1990005963A1 Method for mapping scanned pixel data |
| 05/31/1990 | WO1990005962A1 Method for orienting a dual mouse optical scanner |
| 05/31/1990 | WO1990005943A1 Method and apparatus for automatic printing from microfilm of short image areas |
| 05/31/1990 | DE3840203A1 Device for image scanning |
| 05/30/1990 | EP0371006A2 Magnetic recording apparatus |
| 05/30/1990 | EP0371005A1 Image processing apparatus |
| 05/30/1990 | EP0370823A2 Method and apparatus for encoding images |
| 05/30/1990 | EP0370718A1 Data compression |
| 05/30/1990 | EP0370482A1 Color electrophotographic method |
| 05/30/1990 | EP0370390A2 Digital image forming equipment |
| 05/30/1990 | EP0370323A2 High resolution image compression methods and apparatus |
| 05/30/1990 | EP0370271A2 Method of and apparatus for recording halftone images and halftone images produced thereby |
| 05/30/1990 | EP0370053A1 Image scanner. |
| 05/29/1990 | US4930023 Halftone dot generator using grained screen patterns |
| 05/29/1990 | US4930022 Method and device for image reduction in image processing |
| 05/29/1990 | US4930021 Process and apparatus for reducing a picture with fine line disappearance prevention |
| 05/29/1990 | US4930020 Facsimile transmission of photographic images |
| 05/29/1990 | US4930018 Method and system for enhancing the quality of both color and black and white images produced by ink jet printers |
| 05/29/1990 | US4930017 Communication terminal device |
| 05/29/1990 | US4930016 Image scanning reading and recording system |
| 05/29/1990 | US4930014 Method and apparatus for processing a still picture signal |
| 05/29/1990 | US4930009 Method of making a print of color slide |
| 05/29/1990 | US4930008 Scanner for reading color image |
| 05/29/1990 | US4930007 Digital color image processing method and apparatus for discriminating high resolution areas of a color image signal and controlling image processing in accordance with the discrimination |
| 05/29/1990 | US4929979 Method and apparatus for processing image |
| 05/29/1990 | US4929978 Color correction method for color copier utilizing correction table derived from printed color samples |
| 05/29/1990 | US4929972 Method and apparatus for electronic and photographic image recording |
| 05/29/1990 | US4929844 Apparatus for detecting the presence and size of a document |
| 05/26/1990 | CA2003870A1 Document scanner |
| 05/23/1990 | EP0369986A2 Autofocus system |
| 05/23/1990 | EP0369866A1 Mobile member control apparatus |
| 05/23/1990 | EP0369824A2 Image reading apparatus |
| 05/23/1990 | EP0369821A2 Image processing system |
| 05/23/1990 | EP0369779A2 Image memory apparatus |
| 05/23/1990 | EP0369778A2 Image recording apparatus |
| 05/23/1990 | EP0369724A2 Digital video signal processing apparatus |
| 05/23/1990 | EP0369720A2 Color image processing apparatus |
| 05/23/1990 | EP0369709A2 Multiple part facsimile form |
| 05/23/1990 | EP0369702A2 Image processing apparatus and method |
| 05/23/1990 | EP0369689A2 Vector quantizer for images |
| 05/23/1990 | EP0369596A1 Discriminating regions of an image |
| 05/23/1990 | EP0369302A2 Method of and apparatus for producing halftone image |
| 05/23/1990 | EP0369301A2 An apparatus of and a method for image reproducing with variable reproduction scale |
| 05/23/1990 | EP0369299A2 Image data processing apparatus |
| 05/23/1990 | EP0369243A2 Method of and apparatus for recording halftone images |
| 05/23/1990 | EP0369109A2 Picture display device |
| 05/23/1990 | EP0218636B1 Multi-format laser printer embodying a method for changing output image sizes |
| 05/23/1990 | EP0152480B1 Picture element generator for facsimile receiver |
| 05/23/1990 | EP0116650B1 Facsimile transmission control system |
| 05/23/1990 | DE3938355A1 Halogen light source for facsimile equipment or copier - has equalising reflector with different radii of curvature across width and low-reflectance areas along length |
| 05/22/1990 | US4928277 Method and apparatus for driving laser beam source to avoid droop effects |
| 05/22/1990 | US4928190 Magnetic recording/reproduction apparatus |
| 05/22/1990 | US4928184 Image recording system |
| 05/22/1990 | US4928183 Manually scanning apparatus with straightening rollers |
| 05/22/1990 | US4928178 Control of visual display units |
| 05/22/1990 | US4928173 Picture display device |
| 05/22/1990 | US4928170 Automatic focus control for an image magnification system |
| 05/22/1990 | US4928169 Mensuration frame grabbing apparatus |
| 05/22/1990 | US4928167 Method of and apparatus for executing tone correction on an image according to a correction level |
| 05/22/1990 | US4928118 Enhanced resolution electrophotographic-type imaging station |
| 05/22/1990 | US4928110 Thermal recording control method and system |
| 05/22/1990 | US4928041 Flat display device |
| 05/22/1990 | CA1269445A1 Signal processing for optical image sensor |
| 05/22/1990 | CA1269444A1 Method for reducing the quantity of data in image coding |
| 05/17/1990 | WO1990005425A1 Automatic color balancing in a film to video transfer system |
| 05/17/1990 | WO1990005424A1 Opto-electronic colour-image sensor |
| 05/17/1990 | WO1990005423A2 Apparatus and method for digital halftoning |
| 05/17/1990 | WO1990005422A2 Digital image processing and display system |
| 05/17/1990 | WO1990005286A1 Spectrometer apparatus for self-calibrating color imaging apparatus |
| 05/17/1990 | WO1990005068A1 Dynamically stable sheet clamping system for high speed sheet handling drums |
| 05/17/1990 | DE3936309A1 Datenkommunikation-endgeraet Data communication terminal |
| 05/17/1990 | DE3925011A1 Verfahren und anordnung zur ueberwachung der druckqualitaet mehrfarbiger druckvorlagen einer offsetdruckmaschine Method and arrangement for monitoring the pressure qualitaet multicolored printed templates of offset printing machine |