| 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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| 07/04/1989 | US4845569 Image transmission or encoding apparatus |
| 07/04/1989 | US4845567 Image sensor |
| 07/04/1989 | US4845550 Method and apparatus for processing picture image signals |
| 07/04/1989 | US4845549 Apparatus for selectively producing a positive multi-color print and negative color separation films or positive and negative color separation films using a multi-color thermal transfer ink ribbon |
| 07/04/1989 | US4845531 Image reading apparatus |
| 07/04/1989 | US4845520 System for driving a thermal print head for constant dot density |
| 07/04/1989 | US4845483 Malfunction communicating device for optical unit of laser printer |
| 07/04/1989 | US4845375 Contact photoelectric conversion apparatus having plurality of protecting layers |
| 07/04/1989 | US4845358 Synchronizing device for laser printer |
| 07/04/1989 | US4845355 Photoconductive type sensor and its driving method and apparatus |
| 07/04/1989 | US4844437 Sheet separating arrangement |
| 07/04/1989 | US4844288 Reproduction picture sharpness emphasizing method and apparatus |
| 07/04/1989 | US4843903 Intermittent drive for a paper supply roller |
| 07/04/1989 | CA1257024A1 Image signal transmitting system |
| 07/04/1989 | CA1256932A1 Fiber optic cathode ray tube camera |
| 06/29/1989 | WO1989006080A1 Image processor with error diffusion modulated threshold matrix |
| 06/29/1989 | WO1989006016A1 An optical reader head |
| 06/29/1989 | WO1989005999A1 Method of forming electrophotograph |
| 06/29/1989 | WO1989005730A1 Improvements relating to coloured image generation |
| 06/29/1989 | DE3841386A1 Constant speed of travel control device |
| 06/29/1989 | DE3826643A1 Method for recording and replaying a still picture |
| 06/29/1989 | DE3742538A1 Device for colour reproduction for an electro-optical facsimile writing device |
| 06/28/1989 | EP0322162A2 Line sensor apparatus |
| 06/28/1989 | EP0321983A2 Method for processing color image and apparatus therefor |
| 06/28/1989 | EP0321930A2 Optical scanning device |
| 06/28/1989 | CN1004660B Optical storage |
| 06/27/1989 | US4843632 Compressed image expansion system |
| 06/27/1989 | US4843569 Data input apparatus for picture data base management system |
| 06/27/1989 | US4843481 CCD scanning apparatus for use with rotary head printer |
| 06/27/1989 | US4843480 Image reading apparatus for removing disturbances in output images |
| 06/27/1989 | US4843479 Data communication apparatus |
| 06/27/1989 | US4843478 Tunable filter circuit for facsimile recorders |
| 06/27/1989 | US4843471 Video image storage device |
| 06/27/1989 | US4843462 Remote video observation systems |
| 06/27/1989 | US4843458 Method of processing image information |
| 06/27/1989 | US4843433 Automatic document feeder |
| 06/27/1989 | US4843428 Process apparatus for processing memory which stores information |
| 06/27/1989 | US4843426 Special effects photocopier |
| 06/27/1989 | US4843408 Thermal recording device |
| 06/27/1989 | US4843379 Color displays |
| 06/27/1989 | US4843241 Radiation image recording and read-out apparatus |
| 06/22/1989 | DE3839299A1 Image processing device |
| 06/21/1989 | EP0321315A2 Half tone printing or display apparatus |
| 06/21/1989 | EP0321224A2 Image sensor |
| 06/21/1989 | EP0321143A2 Method and apparatus for direct color printing |
| 06/21/1989 | EP0321113A2 Imaging apparatus fo scanning projected and written images |
| 06/21/1989 | EP0321084A2 Teleconferencing system including paperless facsimile means |
| 06/21/1989 | EP0320889A2 Image sensor immune to noise signals originating from an alternating power supply |
| 06/21/1989 | EP0320756A2 System for scanning documents without loss of image data |
| 06/21/1989 | EP0320755A2 Image processing system and method employing combined black and white and gray scale image data |
| 06/21/1989 | EP0320713A2 Document image processing system |
| 06/21/1989 | EP0320671A2 Optical sensing device |
| 06/21/1989 | EP0320567A1 Method to scan textile models and device which employs the method |
| 06/21/1989 | EP0320511A1 Block adaptive linear predictive coding with adaptive gain and bias. |
| 06/20/1989 | US4841575 Image encoding and synthesis |
| 06/20/1989 | US4841455 Reseau apparatus for photogrammetry devices |
| 06/20/1989 | US4841377 Continuous image estimation method |
| 06/20/1989 | US4841376 Shading correcting method enabling prevention of effect of noise and apparatus therefor |
| 06/20/1989 | US4841375 Image-resolution conversion apparatus for converting a pixel-density of image data |
| 06/20/1989 | US4841374 Image processing method |
| 06/20/1989 | US4841373 Facsimile transmission control method in which a frame of stored image data is transmitted when either a predetermined time has elapsed or a predetermined amount of image data has been stored |
| 06/20/1989 | US4841362 Apparatus for generating positive or negative image output signals from either positive or negative originals |
| 06/20/1989 | US4841361 Color image processing apparatus |
| 06/20/1989 | US4841360 Apparatus and method for the reproduction of colored originals with gray balance and/or contrast adjustment |
| 06/20/1989 | US4841358 Device for reading a color image from an original document with reciprocating filter |
| 06/20/1989 | US4841337 Image forming apparatus |
| 06/20/1989 | US4841314 Electrostatic latent image forming apparatus using semiconductor laser |
| 06/20/1989 | US4841313 RF driver and control |
| 06/20/1989 | US4841311 Laser beam printer with compactly arranged photosensitive element, laser beam emitting element and reflective element |
| 06/20/1989 | US4841147 Image read-out and recording apparatus |
| 06/20/1989 | US4841142 Document scanner with resolution selection control |
| 06/20/1989 | US4841137 Beam position control device |
| 06/20/1989 | US4841135 Rotary light beam deflector with revolution surface mirror |
| 06/20/1989 | CA1256214A1 Method and apparatus for vectorizing documents and for symbol recognition |
| 06/20/1989 | CA1256205A1 Portable laser diode scanning head |
| 06/15/1989 | WO1989005512A1 Rotating scanner with mirror housing |
| 06/14/1989 | EP0320222A1 Copier apparatus and method |
| 06/14/1989 | EP0320137A1 A laser engraving machine for preparing rotary screen printing screens |
| 06/14/1989 | EP0320014A2 Image processing system |
| 06/14/1989 | EP0319976A2 Method of and apparatus for recording image in the form of pixel array |
| 06/14/1989 | EP0319975A2 Method of and apparatus for recording a halftone dot color image on a color photosensitive material |
| 06/14/1989 | EP0319891A2 Apparatus for manufacturing offset foils or films for exposing offset printing plates |
| 06/14/1989 | EP0319802A2 Obtaining a monochromatic image from a colour original |
| 06/13/1989 | US4839747 Image processing method and apparatus |
| 06/13/1989 | US4839746 Information reproduction method for complex and CD disks |
| 06/13/1989 | US4839741 Image reproducing apparatus with CCD scanner and bubble jet printer simultaneously driven by a common belt in opposite directions and operated asynchronously |
| 06/13/1989 | US4839740 Image processing apparatus for determining the presence or absence of an image on each side of a plurality of originals prior to producing two-sided copies of the originals to avoid producing any copies with blank sides |
| 06/13/1989 | US4839739 Image signal binary circuit with a variable-frequency clock signal generator for driving an image sensor |
| 06/13/1989 | US4839738 Apparatus for decoding facsimile coded data to image data with coding and reference line windowing and color change detection |
| 06/13/1989 | US4839737 Facsimile machine with a recording paper information memory |
| 06/13/1989 | US4839731 Color overhead projector |
| 06/13/1989 | US4839730 Image reading apparatus |
| 06/13/1989 | US4839724 Process for the digital transmission of information |
| 06/13/1989 | US4839722 Method and apparatus for providing improved color correction in a subtrative color printing system |
| 06/13/1989 | US4839721 Method of and apparatus for transforming color image data on the basis of an isotropic and uniform colorimetric space |
| 06/13/1989 | US4839719 Color image reading apparatus with an improved sensor |
| 06/13/1989 | US4839672 Exposure device and printer with an led array |
| 06/13/1989 | US4839671 Selectable density charge deposition printing system |
| 06/13/1989 | US4839514 Optical reader with shading correcting means |
| 06/13/1989 | US4838632 Two-dimensional beam scanner |