| 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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| 04/01/1992 | EP0477872A2 Facsimile apparatus |
| 04/01/1992 | EP0477730A2 Half tone image processing apparatus |
| 04/01/1992 | EP0477609A2 Paper supply tray status in electronic printers |
| 04/01/1992 | EP0477570A2 Security system for electronic printing systems |
| 04/01/1992 | EP0477569A2 Electronic printing system for printing signatures |
| 04/01/1992 | EP0477530A2 Synchronisation of ESS/IIT when scanning complex documents |
| 04/01/1992 | EP0477524A2 Method of image restoration |
| 04/01/1992 | EP0477446A1 An improved optical system for stagger compensation in an optical scanner |
| 04/01/1992 | EP0477426A1 Procedure for transmitting a telefax message |
| 04/01/1992 | EP0477337A1 Scanner system with input capability |
| 03/31/1992 | US5101452 Apparatus and method for dynamic step quantization |
| 03/31/1992 | US5101446 Method and apparatus for coding an image |
| 03/31/1992 | US5101445 Method and apparatus for filtering digital data by concatenating preprocessed overlapping groups of the data |
| 03/31/1992 | US5101443 Method and apparatus for reducing a pattern of binary pixels to one of lower resolution |
| 03/31/1992 | US5101438 Method of discriminating different kinds of image areas, involving two-dimensional orthogonal transforms |
| 03/31/1992 | US5101428 Line control system adapted for a facsimile machine for detecting a busy telephone signal |
| 03/31/1992 | US5101427 Communication apparatus connected to ISDN |
| 03/31/1992 | US5101287 Optical document reader |
| 03/31/1992 | US5101286 Scanning film during the film process for output to a video monitor |
| 03/31/1992 | US5101285 Photoelectric conversion device having an improved illuminating system and information processing apparatus mounting the device |
| 03/31/1992 | US5101284 Shading corrections device with white color reference member peripherally providined proximate to a platen roller for feeding an original document over a glass platen |
| 03/31/1992 | US5101283 Halftone image generating apparatus |
| 03/31/1992 | US5101282 Image processing apparatus |
| 03/31/1992 | US5101281 Automatic gain control circuit of image reading apparatus |
| 03/31/1992 | US5101280 Device for coding a picture signal by compression |
| 03/31/1992 | US5101276 Electronic still camera capable of compensating for variations in luminance levels within a field being photographed |
| 03/31/1992 | US5101266 Single-scan time delay and integration color imaging system |
| 03/31/1992 | US5101236 Light energy control system and method of operation |
| 03/31/1992 | US5101223 Image-reproducing apparatus |
| 03/31/1992 | US5101099 Image reading device with different reflectivity coefficients in a transparent layer and a substrate |
| 03/31/1992 | CA1298415C Radiation image read-out and reproducing apparatus |
| 03/31/1992 | CA1298126C Electronic image printing apparatus |
| 03/29/1992 | CA2068716A1 Plasma-jet imaging apparatus and method |
| 03/29/1992 | CA2048794A1 Process for merging merge items with prints produced by electronic printing machines |
| 03/29/1992 | CA2048525A1 System reprographic architecture |
| 03/27/1992 | WO1992005669A1 Means for measuring picture quality |
| 03/27/1992 | CA2091068A1 Means for measuring picture quality |
| 03/26/1992 | DE4121895A1 Remote computer operating device using bar-code facsimile - incorporates laser scanner for continuous monitoring of telefax print-out producing bar codes or OCR-decodable signals |
| 03/25/1992 | EP0477037A2 A print evaluation apparatus |
| 03/25/1992 | EP0476974A2 Apparatus for processing image data |
| 03/25/1992 | EP0476972A2 Touch screen user interface with expanding touch locations for a reprographic machine |
| 03/25/1992 | EP0476965A2 Constant length laser device |
| 03/25/1992 | EP0476964A2 Method and apparatus for scanning a signature document |
| 03/25/1992 | EP0476719A2 A control circuit for a laser printer |
| 03/25/1992 | EP0476695A2 Electronic color screening system using color-dependent trigonometric functions |
| 03/25/1992 | EP0476680A2 Self-diagnosis and self-repair system for image forming apparatus |
| 03/25/1992 | EP0476627A2 Method of and apparatus for processing image data |
| 03/25/1992 | EP0476624A1 Method of and apparatus for modifying image |
| 03/25/1992 | EP0476409A2 Image display apparatus |
| 03/25/1992 | EP0476294A1 Electronic filing system recognizing highlighted original to establish classification and retrieval |
| 03/25/1992 | EP0476220A2 Color image information processing method |
| 03/25/1992 | EP0476096A1 Film constraint and illumination system |
| 03/24/1992 | US5099512 Communication terminal device |
| 03/24/1992 | US5099342 Scanner drum viewing system and light source assembly |
| 03/24/1992 | US5099341 Image reading apparatus with improved shading correction |
| 03/24/1992 | US5099340 Electronic filing apparatus |
| 03/24/1992 | US5099336 Copying machine capable of copying plural reproduced images from single original on a same copying paper and copying process thereof |
| 03/24/1992 | US5099335 Image communication apparatus |
| 03/24/1992 | US5099293 Image processing apparatus operable analogue and digital copying modes |
| 03/24/1992 | US5099290 Continuous paper printer with monitoring time period in which the paper feed speed is lower than when printing |
| 03/24/1992 | US5099262 Camera having sound recording function |
| 03/24/1992 | US5099260 Multiple image forming apparatus |
| 03/24/1992 | US5099259 Halftone image printing device |
| 03/24/1992 | US5099258 Dot print density regulating circuit |
| 03/24/1992 | US5099119 Radiation image recording and read-out apparatus |
| 03/24/1992 | US5098817 Highlighting for photocopiers and facsimile machines |
| 03/24/1992 | CA1297713C Scanning apparatus and support |
| 03/24/1992 | CA1297712C Scanning apparatus |
| 03/22/1992 | CA2051953A1 Self-diagnosis and self-repair system for image forming apparatus |
| 03/21/1992 | CA2025784A1 Method of using a facsimile mahcine as an optical character scanner to produce computer text files |
| 03/20/1992 | WO1992005658A1 Read device |
| 03/20/1992 | WO1992005651A1 Method of recording picture information, record carrier, and picture retrieval and reproduction device for reading the record carrier |
| 03/20/1992 | CA2068869A1 Read device |
| 03/19/1992 | WO1992004803A1 Standardized color calibration of electronic imagery |
| 03/19/1992 | WO1992004800A1 A method for creating multicolored halftone reproductions from continuous tone monochrome originals |
| 03/19/1992 | WO1992004661A1 A method of adjusting graphical scanner units and a scanner unit having adjustment means |
| 03/19/1992 | WO1992004652A1 Scanner apparatus |
| 03/19/1992 | WO1992004191A1 Process for reducing the quantity of ink applied to recording substrates by ink writing devices |
| 03/19/1992 | WO1991018472A3 A signal processing circuit for performing a pipelined matrix multiplication upon signals from several linear sensors |
| 03/19/1992 | WO1991017473A3 Multichannel integrated optics modulator for laser printer |
| 03/19/1992 | DE4029584A1 Opto-electronic scanner adaptable for different scanning modes - uses internal interface and external coupling for connection of auxiliary module |
| 03/19/1992 | DE4028928A1 Coding and transmitting text and image signals - grouping code element(s) of lines or channels into code word |
| 03/19/1992 | CA2051225A1 Device for producing a constant length laser beam and method for producing it |
| 03/18/1992 | WO1992005668A1 Scene balance calibration of digital scanner |
| 03/18/1992 | WO1992005470A1 User-interactive reduction of scene balance failures |
| 03/18/1992 | WO1992005469A1 Use of pre-scanned low resolution imagery data for synchronizing application of respective scene balance mapping mechanisms during high resolution rescan of successive images frames on a continuous film strip |
| 03/18/1992 | EP0475762A2 Color facsimile apparatus |
| 03/18/1992 | EP0475734A2 Document processing apparatus |
| 03/18/1992 | EP0475725A1 Image enhancement |
| 03/18/1992 | EP0475667A2 Facsimile device for use in ISDN and method of controlling same |
| 03/18/1992 | EP0475601A2 A full-colour desktop publishing system |
| 03/18/1992 | EP0475554A2 Apparatus and method for colour calibration |
| 03/18/1992 | EP0475399A2 Optical beam scanning apparatus and method |
| 03/18/1992 | EP0475362A2 Image processing apparatus for determining rates of under colour removal |
| 03/18/1992 | EP0475361A1 Image sensor having output unit shielded from capacitively coupled noise originated from the CCD transfer clock signals |
| 03/18/1992 | EP0474985A2 Method and system for printing in one or more color planes with improved control of error diffusion |
| 03/18/1992 | EP0474762A1 Method and apparatus for correcting shading effects in video images. |
| 03/18/1992 | EP0474636A1 Process for obtaining a decision result for a half-image/full-image data compression process. |
| 03/18/1992 | CA2069332A1 Scene balance calibration of digital scanner |
| 03/18/1992 | CA2047821A1 Electronic filing system recognizing highlighted original to establish classification and retrieval |