| 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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| 07/24/1990 | US4943871 Image read-out and reproducing apparatus |
| 07/24/1990 | US4943870 Image magnify/reduce apparatus |
| 07/24/1990 | US4943869 Compression method for dot image data |
| 07/24/1990 | US4943868 Handy image data filing apparatus |
| 07/24/1990 | US4943867 Electronic still camera |
| 07/24/1990 | US4943861 Apparatus and method for exposing photosensitive recording media with digital image data |
| 07/24/1990 | US4943725 Radiation image read-out apparatus |
| 07/24/1990 | US4943517 Color separation for photolithography |
| 07/24/1990 | US4943128 Light scanning device |
| 07/20/1990 | CA2007362A1 Audio after recording apparatus |
| 07/19/1990 | WO1990008046A1 Nonreplicable document and method for making same |
| 07/19/1990 | DE3936860A1 Auxiliary equipment for photocopier printing plate scanning - enables print density to be automatically controlled for individual items of range of input documents during copying |
| 07/18/1990 | EP0378475A1 Graphic remote control system |
| 07/18/1990 | EP0378448A2 Colour image processing |
| 07/18/1990 | EP0378316A1 Bit map modification |
| 07/17/1990 | US4942621 Method for mapping scanned pixel data |
| 07/17/1990 | US4942600 Communication apparatus for generating a call signal from a telephone set to a data terminal |
| 07/17/1990 | US4942542 Image processing computer system optimized to reduce idle time of computer |
| 07/17/1990 | US4942483 Multi-chip type contact image sensor |
| 07/17/1990 | US4942481 Contact-type image sensor |
| 07/17/1990 | US4942480 Reproduction of halftone original with moire reduction and tone adjustment |
| 07/17/1990 | US4942479 Image information processing apparatus |
| 07/17/1990 | US4942478 Recording apparatus |
| 07/17/1990 | US4942477 Image pickup printing system using non-NTSC signals |
| 07/17/1990 | US4942473 Intelligent scan image sensor |
| 07/17/1990 | US4942462 Photographic printer having a CRT for illuminating an original with a flying spot to print an image of the original |
| 07/17/1990 | US4942461 Digital multiple-color image processing apparatus |
| 07/17/1990 | US4942460 Method of and apparatus for recording a halftone dot color image on a color photosensitive material |
| 07/17/1990 | US4942407 Scanning type image recording apparatus |
| 07/17/1990 | US4942406 Laser printer with clock polygon control for inches and millimeters |
| 07/17/1990 | US4941721 Raster scanning system utilizing overfilled polygon facet design |
| 07/17/1990 | US4941719 Light scanning system |
| 07/17/1990 | US4941685 Multiple part facsimile form |
| 07/17/1990 | CA1271837A1 Apparatus for improving the quality of an electronic image |
| 07/12/1990 | WO1990007840A1 Laser printer |
| 07/12/1990 | WO1990007839A1 Laser printer |
| 07/12/1990 | WO1990007838A1 Laser printer |
| 07/12/1990 | WO1990007837A1 Colour monitor for producing displays that visually match images as will be reproduced |
| 07/12/1990 | WO1990007836A1 Optical image to video transfer system having enhanced resolution and contrast for dark areas of the image |
| 07/12/1990 | WO1990007754A1 Method for recording a two-gradation image on a light-sensitive material |
| 07/12/1990 | WO1990007753A1 Resequencing line store device |
| 07/12/1990 | WO1990007750A1 Digital image sharpening method using svd block transform |
| 07/12/1990 | WO1990006034A3 An electronic graphic arts screener that suppresses moire patterns using pseudo-random font selection |
| 07/12/1990 | WO1990006032A3 Electronic graphic arts screener |
| 07/12/1990 | WO1990005423A3 Apparatus and method for digital halftoning |
| 07/11/1990 | EP0377454A2 Image reading apparatus |
| 07/11/1990 | EP0377389A2 A method for doing interactive image processing operations on large images |
| 07/11/1990 | EP0377386A2 An interactive dynamic range adjustment system for printing digital images |
| 07/11/1990 | EP0376957A1 Electronic image scanner. |
| 07/11/1990 | EP0218628B1 Method for determining the color of a scene illuminant from a color image of the scene |
| 07/11/1990 | EP0153397B1 A method and device for decoding two-dimensional facsimile signals |
| 07/11/1990 | CN1043841A Portable electronic picture recording device |
| 07/11/1990 | CN1043812A Method for converting characteristics of image |
| 07/11/1990 | CN1008785B Method of and apparatus for recording and/or reproducing picture signal and associated audio signal in/from record carrier |
| 07/10/1990 | US4941194 Method of compressing radiation image signal |
| 07/10/1990 | US4941193 Methods and apparatus for image compression by iterated function system |
| 07/10/1990 | US4941190 Method and system for enhancement of a digitized image |
| 07/10/1990 | US4941188 Image signal processing apparatus |
| 07/10/1990 | US4941185 Image processing |
| 07/10/1990 | US4941184 Image-processing system with character reader and an image-processing method |
| 07/10/1990 | US4941170 Facsimile transmissions system |
| 07/10/1990 | US4941125 Information storage and retrieval system |
| 07/10/1990 | US4941057 Digital image proofing |
| 07/10/1990 | US4941056 A method for obtaining data from an original document using a camera supported or an air cushion |
| 07/10/1990 | US4941053 Predictive encoder for still pictures |
| 07/10/1990 | US4941051 Signal processing circuit and method |
| 07/10/1990 | US4941042 Television transmission system including a hybrid encoding circuit |
| 07/10/1990 | US4941040 Cable television system selectively distributing pre-recorded video and audio messages |
| 07/10/1990 | US4941039 Color image reproduction apparatus having a least squares look-up table augmented by smoothing |
| 07/10/1990 | US4941038 Method for color image processing |
| 07/10/1990 | US4941037 Color image processing method and apparatus in which a gradation-converted luminance signal and two non-linearly quantized color-difference signals having fewer bits than the luminance signal are used to address a color masking ROM |
| 07/10/1990 | US4941013 Exposure device using CRT as exposure light source |
| 07/10/1990 | US4941000 Downloading film access door assembly for electronic imaging apparatus |
| 07/10/1990 | US4940888 Direct-contact-type image sensor and image sensor assembly |
| 07/10/1990 | US4940310 Optical scanning device using plural sources of differing wavelengths |
| 07/04/1990 | EP0376679A2 Image encoding apparatus and image encoding method |
| 07/04/1990 | EP0376595A2 Method and document scanner for providing contrast/intensity control |
| 07/04/1990 | EP0376554A2 Signal conversion apparatus which reduces quantization errors for telecommunications applications |
| 07/04/1990 | EP0376473A2 Facsimile apparatus |
| 07/04/1990 | EP0376312A2 Image information processing apparatus |
| 07/04/1990 | EP0376209A2 Under-color removal method and device therefor |
| 07/04/1990 | EP0375690A1 Process and device for optical scanning of a document |
| 07/04/1990 | CN1008679B Switchgear for portable facsimile machine and lid thereof |
| 07/03/1990 | US4939772 Switching control apparatus for a communication terminal having a voice terminal device and a non-voice terminal device |
| 07/03/1990 | US4939767 System and method for transmitting image data on a telephone network or equivalent |
| 07/03/1990 | US4939645 Method and apparatus to reduce transform compression visual artifacts in medical images |
| 07/03/1990 | US4939592 Contact photoelectric conversion device |
| 07/03/1990 | US4939591 Contact-type image sensor |
| 07/03/1990 | US4939590 Image reading apparatus capable of eliminating moire pattern |
| 07/03/1990 | US4939589 Process for recording semihalftone images and device for conversion of image dot tonal value data |
| 07/03/1990 | US4939588 Electronic copying machine |
| 07/03/1990 | US4939584 Image recording system |
| 07/03/1990 | US4939583 Entropy-coding system |
| 07/03/1990 | US4939581 Method and system in video image hard copy reproduction |
| 07/03/1990 | US4939580 Picture reading apparatus |
| 07/03/1990 | US4939578 Method of driving multiple chip CCD image sensor |
| 07/03/1990 | US4939550 Transfer paper guide device for an electrostatic photographic apparatus |
| 07/03/1990 | US4939541 Image forming apparatus |
| 07/03/1990 | US4939530 Multi-color image forming apparatus |
| 07/03/1990 | US4939367 Recording and read-out apparatus |