| 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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| 02/20/1990 | US4903144 Automatic D.C. offset control for image scanners |
| 02/20/1990 | US4903143 Image processing apparatus |
| 02/20/1990 | US4903142 Apparatus for processing halftone image |
| 02/20/1990 | US4903141 Apparatus for electronically duplicating film images while maintaining a high degree of image quality |
| 02/20/1990 | US4903138 Method of and apparatus for eliminating interblock distortion due to compressed image data |
| 02/20/1990 | US4903132 Electronic still camera with slow-in, fast out memory addressing |
| 02/20/1990 | US4903128 Method and device for the reduction of noise generated by a digital image encoder/decoder operating by blocks |
| 02/20/1990 | US4903123 Image processing apparatus using inclined line screens to reduce Moire |
| 02/20/1990 | US4903067 Multiimage forming apparatus |
| 02/20/1990 | US4903048 Simulated color imaging using only two different colorants/toners |
| 02/20/1990 | US4903018 Process for compressing and expanding structurally associated multiple-data sequences, and arrangements for implementing the process |
| 02/20/1990 | US4902881 Public document image and voice communications terminal |
| 02/20/1990 | US4902156 Mounting device for image cylinders |
| 02/14/1990 | EP0354739A2 Scanning apparatus |
| 02/14/1990 | EP0354702A2 Image communication apparatus |
| 02/14/1990 | EP0354635A2 Paperfeed system for optoelectronic scanner |
| 02/14/1990 | EP0354490A2 Method of and apparatus for setting color separation rules |
| 02/13/1990 | US4901363 System for compressing bi-level data |
| 02/13/1990 | US4901343 Data communication apparatus |
| 02/13/1990 | US4901258 Method of and apparatus for generating look-up table data |
| 02/13/1990 | US4901207 Light emission element array and manufacturing method thereof |
| 02/13/1990 | US4901164 Hand scanner type image input/output device with reciprocably supported roller and thermal head |
| 02/13/1990 | US4901163 Image reader for a portable copier |
| 02/13/1990 | US4901162 Image reading and recording apparatus |
| 02/13/1990 | US4901158 Verification stamp equipment |
| 02/13/1990 | US4901157 Line scan image scanner for use with reflective originals and transparent films |
| 02/13/1990 | US4901154 Image pickup apparatus with coordinated clear and shutter functions |
| 02/13/1990 | US4901089 Method and devices for the recording of pictures by laser |
| 02/13/1990 | US4900902 Data communication apparatus |
| 02/13/1990 | US4900130 Method of scanning |
| 02/08/1990 | WO1990001240A1 Film noise reduction by application of bayes theorem to positive/negative film |
| 02/08/1990 | WO1990001239A1 Production of images and apparatus therefor |
| 02/08/1990 | DE3826427A1 Circuit arrangement for processing images |
| 02/07/1990 | EP0354168A2 Method and apparatus for reading information point by point |
| 02/07/1990 | EP0354029A2 Electronically variable MTF filter for image sensor arrays |
| 02/07/1990 | EP0353909A2 System and method for controlling printing in a multi-terminal single-printer environment |
| 02/06/1990 | US4899394 Apparatus and method for image compression |
| 02/06/1990 | US4899344 Semiconductor laser control apparatus |
| 02/06/1990 | US4899291 Image processing system |
| 02/06/1990 | US4899228 Manually sweeping apparatus with image sensor |
| 02/06/1990 | US4899227 Image processing apparatus detecting the size or position of an information portion of an original |
| 02/06/1990 | US4899226 Image reading apparatus which corrects for a reading error caused by reading an image at a continuously-variable image reading density with staggered line image sensors |
| 02/06/1990 | US4899225 Image processing method |
| 02/06/1990 | US4899224 Recording apparatus and method utilizing an array of liquid crystal cells |
| 02/06/1990 | US4899223 Electrode array for an electrooptical facsimile recorder and method of controlling said electrode array |
| 02/06/1990 | US4899216 Method of and apparatus for processing an image with gradation correction of video signal |
| 02/06/1990 | US4899215 Color image recording apparatus |
| 02/06/1990 | US4899214 Low cost color scanner |
| 02/06/1990 | US4899182 Electrophotographic image forming apparatus |
| 02/06/1990 | US4899176 Method of reducing average data rate in rotating mirror laser recorder |
| 02/06/1990 | US4899049 Radiation image read-out apparatus |
| 02/06/1990 | US4898467 Spectrometer apparatus for self-calibrating color imaging apparatus |
| 02/06/1990 | CA1265613A1 Signal recording apparatus and method |
| 02/06/1990 | CA1265608A1 Method for reading an image of document |
| 02/01/1990 | DE3919949A1 Kombinierte einheit, bestehend aus elektrofotografischem drucker, kopierer und telefax Combined unit consisting of electrophotographic printers, copying and fax |
| 01/31/1990 | EP0353028A2 Image storing apparatus |
| 01/31/1990 | EP0352991A2 Facsimile apparatus |
| 01/31/1990 | EP0352767A2 Solid-state image pickup device having shared output line for photoelectric conversion voltage |
| 01/31/1990 | EP0352491A1 Method of generating gradation correction curve for correcting gradation character of image |
| 01/31/1990 | EP0352334A1 Method of forming electrophotograph |
| 01/30/1990 | US4897869 Data communication apparatus |
| 01/30/1990 | US4897831 Data transmission/reception apparatus |
| 01/30/1990 | US4897803 Address token based image manipulation |
| 01/30/1990 | US4897799 Format independent visual communications |
| 01/30/1990 | US4897737 Apparatus for scan rotation in image scanning equipment |
| 01/30/1990 | US4897736 Color image processing apparatus using a deformed dot matrix |
| 01/30/1990 | US4897735 Image processing apparatus for multi-media copying machine |
| 01/30/1990 | US4897734 Image processing apparatus |
| 01/30/1990 | US4897733 Communication system in facsimile |
| 01/30/1990 | US4897677 Multicolored printing method and device |
| 01/30/1990 | US4897639 Image forming method and apparatus |
| 01/30/1990 | US4897546 Radiation image recording, read-out and reproducing apparatus |
| 01/29/1990 | EP0277964A4 Optical scanner including position sensors. |
| 01/25/1990 | WO1990000789A1 Video processing circuit |
| 01/25/1990 | WO1990000780A1 Apparatus for simultaneously filtering and resampling digital data |
| 01/25/1990 | WO1990000779A1 Simple electronic file system |
| 01/24/1990 | EP0352016A2 Method and system for enhancement of a digitized image |
| 01/24/1990 | EP0351880A2 Image pickup apparatus |
| 01/24/1990 | EP0351754A2 Apparatus and method for printing halftone images by thermal transfer |
| 01/24/1990 | EP0351422A1 Devices for producing microfilm and microfiche records |
| 01/24/1990 | CN1039164A Quadrature amplitude modulation with line synchronization pulse for video telephone |
| 01/23/1990 | US4896365 Video signal binary-coding apparatus and method |
| 01/23/1990 | US4896364 Method of detecting boundary structures in a video signal |
| 01/23/1990 | US4896275 Full page graphics image display data reduction |
| 01/23/1990 | US4896226 Multi-motor electronic still camera having recording disk, focal plane shutter, and optical filters |
| 01/23/1990 | US4896222 Method of and apparatus for correcting image signal |
| 01/23/1990 | US4896216 Integrated circuit for reading out signals from an optoelectronic image sensor |
| 01/23/1990 | US4896208 Apparatus and method for reading and digitally editing multiple images |
| 01/23/1990 | US4896169 Laser scan recording apparatus using aperture plates to form shifted rows of beams which are modulated and converged on photosensitive material |
| 01/23/1990 | US4896146 Color image processor |
| 01/23/1990 | US4896038 Radiation image read-out method and apparatus |
| 01/23/1990 | US4895288 Facsimile device |
| 01/23/1990 | EP0270534A4 Resolution conversion of bitmap images using error term averaging. |
| 01/17/1990 | EP0351062A1 Method and apparatus for generating composite images |
| 01/17/1990 | EP0351005A2 Picture transmission method and apparatus for carrying out the method |
| 01/17/1990 | EP0350930A2 Color image processing apparatus |
| 01/17/1990 | EP0350919A2 Color image processing apparatus |
| 01/17/1990 | EP0350901A2 Image reading method |
| 01/17/1990 | EP0350870A2 Method of simulating object image to be printed |
| 01/17/1990 | EP0350865A2 An image recording device and an image processing apparatus |