| 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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| 08/04/1987 | US4685071 Method for determining the color of a scene illuminant from a color image | 
| 08/04/1987 | US4685069 Heat storage correction apparatus | 
| 08/04/1987 | US4685001 Method for retrieving unedited video still pictures | 
| 08/04/1987 | US4685000 Inhibition of exposure in a video printer upon loss of color filter sync | 
| 08/04/1987 | US4684999 Image reader | 
| 08/04/1987 | US4684998 Image reader suitable for manual scanning | 
| 08/04/1987 | US4684997 Machine for the reading, processing and compression of documents | 
| 08/04/1987 | US4684991 Device for an array of photo diodes arranged in a matrix | 
| 08/04/1987 | US4684979 System for allocating images onto photosensitive materials utilizing flags | 
| 08/04/1987 | US4684978 Correction method of color-separated signals | 
| 08/04/1987 | US4684961 Detachable facsimile print head drive | 
| 08/04/1987 | US4684229 Photographic camera | 
| 08/04/1987 | US4684228 Photosetting apparatus | 
| 08/04/1987 | CA1225167A1 Radiation image recording and reproducing system | 
| 08/04/1987 | CA1225149A1 Method and circuit arrangement for simulating a multi- colored reproduction on a color monitor | 
| 07/30/1987 | WO1987004517A1 Image recording apparatus | 
| 07/30/1987 | DE3602043A1 Method for increasing the vertical resolution of documents | 
| 07/29/1987 | EP0230361A2 System and method for adjusting image brightness in electronic printer | 
| 07/29/1987 | EP0230338A2 Image processing system | 
| 07/29/1987 | EP0230077A2 Method and circuit arrangement for production of pseudo-halftone images | 
| 07/29/1987 | EP0230076A2 Method and circuit arrangement for conversion of resolution of binary pseudo-halftone images | 
| 07/29/1987 | EP0229919A2 Flexible image acquisition and processing system | 
| 07/28/1987 | US4683501 Apparatus for reading and reproducing graphic information | 
| 07/28/1987 | US4683500 Method for reproducing picture image | 
| 07/28/1987 | US4683499 Method for generating a pixel synchronizing signal in a picture input scanning apparatus and a reproduction record scanning apparatus and apparatus therefor | 
| 07/28/1987 | US4683492 Method and apparatus for recording a full-color image with a plurality of colorants on the basis of a set of area factors for the colorants selected from a plurality of sets of area factors calculated from a plurality of sets of equations | 
| 07/28/1987 | US4682882 Image recording apparatus | 
| 07/28/1987 | US4682869 Image processing system and method | 
| 07/28/1987 | US4682842 Scanning system with two reflections from scanning surface by mirrors with optical power | 
| 07/22/1987 | EP0229539A2 Color plotter controller | 
| 07/22/1987 | EP0229379A2 Digital picture signal coding/decoding circuit | 
| 07/22/1987 | EP0229361A2 Control circuit for magenta signal processing | 
| 07/22/1987 | CN86100184A Communication mode of non-standard communication mode | 
| 07/21/1987 | US4682244 Optical recording device | 
| 07/21/1987 | US4682243 Magnification ratio conversion in image reproduction | 
| 07/21/1987 | US4682242 Apparatus for image posture correction | 
| 07/21/1987 | US4682241 Data transfer system | 
| 07/21/1987 | US4682235 For converting a two-dimensional image into electronic form | 
| 07/21/1987 | US4682216 Color image picture forming process and apparatus which improves the quality of the black portions of the picture | 
| 07/21/1987 | US4682215 Coding system for image processing apparatus | 
| 07/21/1987 | US4682190 Image processing apparatus for combining image and character data | 
| 07/21/1987 | US4682186 Method for forming a color image | 
| 07/21/1987 | US4682042 Information reading device with driver circuitry separate from sensor board | 
| 07/21/1987 | US4682028 Method of adjusting radiation image read-out conditions | 
| 07/21/1987 | US4681427 Electronic printing method | 
| 07/21/1987 | US4681424 Compensation for fine line prints | 
| 07/21/1987 | US4681394 Light beam scanning system | 
| 07/21/1987 | CA1224560A1 Manuscript reading apparatus | 
| 07/21/1987 | CA1224421A1 Improved method and apparatus for producing half-tone printing forms with rotated screens | 
| 07/16/1987 | DE3608216A1 Device for filing text and picture material by digital video methods and having a reproduction station | 
| 07/15/1987 | EP0228824A1 Image reproduction | 
| 07/15/1987 | EP0228713A2 Optical picture reader | 
| 07/15/1987 | EP0228545A2 A device for detachably attaching a film onto a drum in a drum type picture scanning recording apparatus | 
| 07/14/1987 | US4680647 Method for recording and reproducing video format signal | 
| 07/14/1987 | US4680646 Image forming device for reproducing a half-tone image | 
| 07/14/1987 | US4680645 Method for rendering gray scale images with variable dot sizes | 
| 07/14/1987 | US4680644 Method and apparatus for reading an image | 
| 07/14/1987 | US4680643 Image display apparatus | 
| 07/14/1987 | US4680642 Picture scanning and recording method with selection between two differently processed signals | 
| 07/14/1987 | US4680641 Image processing system | 
| 07/14/1987 | US4680626 Color image processing system for converting analog video-to-digital data | 
| 07/14/1987 | US4680625 Method and apparatus for multicolor image forming | 
| 07/14/1987 | US4680596 Method and apparatus for controlling ink-jet color printing heads | 
| 07/14/1987 | US4680477 Contact type document reading device with uniform line-to-line conductor capacitance | 
| 07/08/1987 | EP0228280A1 Image sensors and methods of manufacturing same | 
| 07/08/1987 | EP0228023A1 Solid-state image sensor with amorphous semiconductor photoconductive cell array | 
| 07/08/1987 | EP0227940A1 Device for transforming ray picture information contained in a memory layer in an electrical-signal sequence | 
| 07/08/1987 | EP0227925A2 Document scanning apparatus | 
| 07/08/1987 | EP0227848A1 Image preprocessing procedure for noise removal | 
| 07/08/1987 | CN86106926A Photoelectric scanning head | 
| 07/07/1987 | US4679229 Ringing detection circuit | 
| 07/07/1987 | US4679155 Method and system for processing image data in reproducing images | 
| 07/07/1987 | US4679096 Image processing apparatus | 
| 07/07/1987 | US4679095 Method and apparatus of scanning and recording image | 
| 07/07/1987 | US4679094 Method for compression and transmission of video information | 
| 07/07/1987 | US4679093 Image communication apparatus | 
| 07/07/1987 | US4679089 Solid state image sensor having an anti-blooming isolation electrode | 
| 07/07/1987 | US4679088 Image sensor with means to adjust capacitance of signal leads | 
| 07/07/1987 | US4679087 Method and apparatus for photographing video images of either polarity without CRT brightness or contrast readjustment | 
| 07/07/1987 | US4679085 Digital integrated electronic storage system for video and audio playback | 
| 07/07/1987 | US4679081 System for coding video signal in block unit | 
| 07/07/1987 | US4679074 Color image processing apparatus with a plurality of addressable characteristic conversion tables for compensating for differences in the spectral characteristics of different input devices | 
| 07/07/1987 | US4679073 Color image reading apparatus with white balance system for controlling the intensity of a light source illuminating a color document | 
| 07/07/1987 | US4679071 Method of recording register marks | 
| 07/07/1987 | US4679070 Method and apparatus for enhancing magenta modulation of a light valve projector | 
| 07/07/1987 | US4679067 Color correction system and method with localized color sampling | 
| 07/07/1987 | US4679057 Laser recording apparatus | 
| 07/07/1987 | US4679055 Method and apparatus for thermal half-tone printing | 
| 07/07/1987 | US4678312 Rotatable head type electrophotographic apparatus, corona charging rotatable head and moveable electrophotographic liquid development processing unit therefor | 
| 07/07/1987 | US4678263 Photo scanner device | 
| 07/07/1987 | CA1223986A1 Multiplexing system | 
| 07/07/1987 | CA1223982A1 Radiation image read-out apparatus | 
| 07/07/1987 | CA1223981A1 Radiation image read-out method | 
| 07/07/1987 | CA1223980A1 Method of adjusting radiation image read-out apparatus | 
| 07/07/1987 | CA1223979A1 Method of adjusting scale factor for radiation image | 
| 07/02/1987 | WO1987003968A1 Light source unit | 
| 07/02/1987 | DE3634262A1 Scanner | 
| 07/01/1987 | EP0227413A2 Apparatus for reproducing images by scanning | 
| 07/01/1987 | EP0227065A2 Electronic imaging copier | 
| 07/01/1987 | EP0227030A1 Apparatus for recording still image with random noise minimized |