| 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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| 09/02/1992 | EP0500883A1 Image database incorporating low resolution index image data. |
| 09/02/1992 | EP0398875A4 Image storage and retrieval apparatus |
| 09/02/1992 | CN1064186A Method of recording coded pictures and related device |
| 09/02/1992 | CN1018132B Method for converting characteristics of image |
| 09/01/1992 | US5144688 Method and apparatus for visual pattern image coding |
| 09/01/1992 | US5144686 Mtf compensation apparatus |
| 09/01/1992 | US5144684 Parallel image processing apparatus using edge detection layer |
| 09/01/1992 | US5144652 Device for connecting a subscriber line to a selected internal line |
| 09/01/1992 | US5144650 Communication apparatus having improved switching line connection between different signal paths |
| 09/01/1992 | US5144631 Semiconductor laser drive device |
| 09/01/1992 | US5144471 Optical scanning system for scanning object with light beam and displaying apparatus |
| 09/01/1992 | US5144470 Laser scanner driving apparatus |
| 09/01/1992 | US5144458 Total contact type image sensor |
| 09/01/1992 | US5144456 Image processing apparatus and method |
| 09/01/1992 | US5144455 Method and apparatus for locating the document referencing corner in a document scanner |
| 09/01/1992 | US5144452 Image forming apparatus in which is calculated the number of images at a given magnification to duplicate repeatedly on a given size recording medium without interference |
| 09/01/1992 | US5144448 Scanning apparatus using multiple CCD arrays and related method |
| 09/01/1992 | US5144420 Color image processing apparatus that multiplies color difference signals by generated coefficients to achieve saturation control without changing color phase |
| 09/01/1992 | US5144419 Method of and apparatus for recording color image |
| 09/01/1992 | US5144387 Color image forming apparatus |
| 09/01/1992 | US5144339 Laser scanner with deflector and photosensitive drum control |
| 09/01/1992 | US5144338 Image recorder using pulse width modulation |
| 09/01/1992 | US5144337 Image forming apparatus capable of forming an image by dots having various diameters |
| 09/01/1992 | US5144135 Image plate scanner |
| 09/01/1992 | US5144132 Method of and device for compensating for reading-position error of image sensor |
| 09/01/1992 | CA2025201C Electronic accident estimating system |
| 08/27/1992 | DE4204866A1 Digital copier with conductive element and image read=out unit - generating two recording signals associated with respective colour |
| 08/27/1992 | DE4105516A1 Verfahren und vorrichtung zur filterung von signalen Method and apparatus for filtering signals |
| 08/26/1992 | EP0500469A2 Synchronisation circuit for a demodulation device and a communication processing apparatus provided with same |
| 08/26/1992 | EP0500439A2 Facsimile apparatus |
| 08/26/1992 | EP0500398A2 Apparatus for driving photoelectric element array |
| 08/26/1992 | EP0500345A2 A preferential recording system for a facsimile apparatus |
| 08/26/1992 | EP0500327A2 Image processing apparatus |
| 08/26/1992 | EP0500277A2 Film cartridge bar code scanner and controller for a digital imaging system |
| 08/26/1992 | EP0500267A2 Image processing system |
| 08/26/1992 | EP0500220A2 Apparatus and method for separating transparencies |
| 08/26/1992 | EP0500174A1 Image processing method and scan/print system for performing the method |
| 08/26/1992 | EP0500134A2 Image forming apparatus |
| 08/26/1992 | EP0500112A2 Image reading apparatus and method for automatically determining an image area in a larger scanning area |
| 08/26/1992 | EP0500088A2 Image forming apparatus |
| 08/26/1992 | EP0500080A2 Self-diagnosis and self-repair system for an image forming apparatus |
| 08/26/1992 | EP0499960A2 Communication device with a detachable recording medium |
| 08/26/1992 | EP0499875A1 Method of and apparatus for obtaining binary image |
| 08/26/1992 | EP0499738A2 Methods of controlling dot size in digital halftoning with multi-cell threshold arrays |
| 08/26/1992 | EP0499719A1 Digital image reproduction system |
| 08/26/1992 | EP0499636A1 Color sequential scanner incorporating a synchronized variable exposure shutter. |
| 08/26/1992 | EP0380505B1 Laser diode output power stabilization in a laser image setter |
| 08/25/1992 | US5142675 Monitor channel system in use with a recording apparatus |
| 08/25/1992 | US5142667 Resource and memory management algorithms for electric printing and electronic reprographic systems |
| 08/25/1992 | US5142616 Electronic graphic system |
| 08/25/1992 | US5142594 Image data communication control system |
| 08/25/1992 | US5142569 Apparatus for selectively enabling subscriber device to respond to ringing signal in dependence upon ringing cadence |
| 08/25/1992 | US5142568 Data communication apparatus which can use either an analog or a digital line |
| 08/25/1992 | US5142567 Communication apparatus having alternate message communication |
| 08/25/1992 | US5142557 CCD and phosphor screen digital radiology apparatus and method for high resolution mammography |
| 08/25/1992 | US5142404 Optical unit for use in laser beam printer or the like |
| 08/25/1992 | US5142381 Complete close-contact type image sensor |
| 08/25/1992 | US5142376 Image signal recording and reproducing system with pilot signal phase-locked with a synchronizing signal |
| 08/25/1992 | US5142374 Image recording method and apparatus therefor |
| 08/25/1992 | US5142356 Color image reading apparatus or color image forming apparatus capable of performing color adjustment |
| 08/25/1992 | US5142355 Edit control system for use in an image processing apparatus |
| 08/25/1992 | US5142337 Printing grey scale images |
| 08/25/1992 | US5142304 Recording apparatus having an automatic scan density control feature |
| 08/25/1992 | US5142303 Printing system exposure module optic structure and method of operation |
| 08/25/1992 | US5142301 Gradation control circuit for a thermal head |
| 08/25/1992 | US5142272 Method and apparatus for processing display color signal |
| 08/25/1992 | US5142161 Hand-held optical scanner and highlighter |
| 08/25/1992 | US5142137 Image sensor having clamp connecting sensing and driving components |
| 08/25/1992 | US5141321 Image receiving apparatus and alignment method for controlling frequency of pulsed emission illuminating light |
| 08/25/1992 | CA1306798C Apparatus and method for reading information from an information carrier |
| 08/20/1992 | WO1992014334A1 Facsimile telecommunications system and method |
| 08/20/1992 | WO1992014187A1 Method and apparatus for delivering secured hard-copy facsimile documents |
| 08/20/1992 | WO1992013721A1 Apparatus and method for printing of images with compensation for dislocation of printing media |
| 08/20/1992 | WO1992012594A3 Image undithering apparatus and method |
| 08/20/1992 | DE4105001A1 Verfahren und einrichtung zur scharfeinstellung eines optischen abbildungs-systems Method and device for-focus of an optical imaging system |
| 08/20/1992 | DE4104467A1 Verfahren und anordnung zur erzeugung von signalen, welche dem informationsgehalt von gerasterten bildern entsprechen Method and arrangement for the generation of signals corresponding to the information content of rasterized images |
| 08/20/1992 | CA2060873A1 Film cartridge bar code scanner and controller for a digital imaging system |
| 08/19/1992 | EP0499548A2 Magnetic disk recorder |
| 08/19/1992 | EP0499288A2 A pulse-width modulation device |
| 08/19/1992 | EP0499214A2 Recording apparatus |
| 08/19/1992 | EP0499012A2 Portable, compact voice and data telecommunications apparatus |
| 08/18/1992 | US5140649 Gradation correcting apparatus for correcting luminance signal in accordance with detected color signal |
| 08/18/1992 | US5140647 Image joining method and system |
| 08/18/1992 | US5140612 Modem for use in a data communication system |
| 08/18/1992 | US5140446 Paper jam detection method |
| 08/18/1992 | US5140445 Imaging reading apparatus having a preheating system |
| 08/18/1992 | US5140443 Image scanning apparatus |
| 08/18/1992 | US5140442 Image forming apparatus having an additional data recording means |
| 08/18/1992 | US5140441 Multilevel-coding apparatus and multilevel-coding method using an optimal sized window beginning from the smallest to a larger size |
| 08/18/1992 | US5140440 Method of detecting a processing area of a document for an image forming apparatus |
| 08/18/1992 | US5140439 Facsimile communication method and facsimile machine |
| 08/18/1992 | US5140438 Facsimile apparatus |
| 08/18/1992 | US5140432 Method and system for printing in one or more color planes with improved control of error diffusion |
| 08/18/1992 | US5140431 Digital electronic system for halftone printing |
| 08/18/1992 | US5140430 Facsimile apparatus with selection between multiple recording devices based on a calculated length of information to be recorded |
| 08/18/1992 | US5140428 Lcd projector combined with a video printer |
| 08/18/1992 | US5140413 Image processing apparatus including processing means for moving image and performing conversion |
| 08/18/1992 | US5140412 Method for color encoding and pixelization for image reconstruction |
| 08/18/1992 | US5140411 Image reading apparatus capable of discriminating between a chromatic and an achromatic portion of an image |
| 08/18/1992 | US5140368 Character printing and recognition system |