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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05/01/1990 | US4922102 Radiation-image reading apparatus |
05/01/1990 | US4922101 Radiation image-reading method |
05/01/1990 | US4922087 Image reader capable of calculating the real focal length of a projecting lens |
05/01/1990 | US4921320 Optical scanner |
05/01/1990 | CA1268547A1 Thresholding algorithm selection apparatus |
05/01/1990 | CA1268360A1 Reading device for stimulable phosphor panel |
04/25/1990 | EP0365312A2 Semiconductor device and signal processing device having said device provided therein |
04/25/1990 | EP0365310A2 Colour detection and/or recognition apparatus |
04/25/1990 | EP0365254A2 Memory device for a page printer |
04/25/1990 | EP0365182A2 Flat stationary field light beam scanning device |
04/25/1990 | EP0365037A2 Method of and apparatus for processing image signal |
04/25/1990 | EP0364867A2 Method of selecting the operation mode of a multiservice terminal apparatus |
04/25/1990 | EP0364827A2 Image processing apparatus |
04/25/1990 | EP0364478A1 Image transmission system with preview mode. |
04/25/1990 | CN1041563A Method and apparatus for monitoring printing quality for arrangement of multicolour wrok of offset press |
04/24/1990 | US4920571 Image processing system with capability of enlarging and reducing operations |
04/24/1990 | US4920560 Method of automatic dialing and automatic dialing device for facsimile apparatuses |
04/24/1990 | US4920502 Image processing apparatus which selectably outputs image information |
04/24/1990 | US4920501 Digital halftoning with minimum visual modulation patterns |
04/24/1990 | US4920431 Image reading apparatus with jam-prevention feature |
04/24/1990 | US4920430 Method of and apparatus for jitter correction of a polygon mirror in an image recording apparatus |
04/24/1990 | US4920429 Exposure compensation for a line scan camera |
04/24/1990 | US4920428 Offset, gain and bad pixel correction in electronic scanning arrays |
04/24/1990 | US4920427 Facsimile apparatus |
04/24/1990 | US4920423 Video printer |
04/24/1990 | US4920421 Simultaneous read/write copier |
04/24/1990 | US4920414 Digital video signal encoding arrangement, and corresponding decoding arrangement |
04/24/1990 | US4920411 Method for processing image signals so as to color correct them |
04/24/1990 | US4920394 Solid solutions of cadmium sulfide and cadmium-selenium component with copper added; high speed; copiers, fax machines |
04/24/1990 | US4920364 Liquid crystal dynamic attenuator for laser printers |
04/24/1990 | US4919499 Optical printer of scaning type |
04/24/1990 | US4919045 Offset printer having a press drum larger than its rubber drum |
04/19/1990 | WO1990004302A1 Photofinishing process with film-to-video player using dedicated magnetic tracks on film |
04/19/1990 | WO1990004301A1 Film-to-video player using dedicated magnetic tracks on film |
04/19/1990 | WO1990004299A1 A multi-purpose communications device |
04/19/1990 | WO1990004263A1 Image sensor and method of producing the same |
04/19/1990 | WO1990004234A1 Digital half-toning process with error diffusion |
04/19/1990 | WO1990004194A1 Fiber optic array |
04/18/1990 | EP0364264A2 Communication processing apparatus |
04/18/1990 | EP0363988A2 Color scanner and automatic setting method |
04/18/1990 | EP0363983A2 Image reading apparatus |
04/18/1990 | EP0363969A2 Color image reading apparatus |
04/18/1990 | EP0363943A2 Method for forming halftone data |
04/18/1990 | EP0363522A1 X-ray diagnostic arrangement with a storage screen |
04/18/1990 | EP0215847B1 Apparatus and method for forming digital images |
04/18/1990 | CN1041499A Third-class facsimile repeater |
04/18/1990 | CN1007691B Facsimile transmission system |
04/17/1990 | US4918723 Keyboard to facsimile machine transmission system |
04/17/1990 | US4918722 Control of electronic information delivery |
04/17/1990 | US4918718 Quadrature amplitude modulation with line synchronization pulse for video telephone |
04/17/1990 | US4918622 Electronic graphic arts screener |
04/17/1990 | US4918588 Office automation system with integrated image management |
04/17/1990 | US4918543 Apparatus for thresholding an image signal |
04/17/1990 | US4918542 Image processing apparatus capable of smooth multi-area variable magnification processing |
04/17/1990 | US4918541 Image processing method and apparatus |
04/17/1990 | US4918540 System for encoding or decoding analog video signals |
04/17/1990 | US4918538 Electronic photography system with still and motion picture modes |
04/17/1990 | US4918536 Facsimile recording system using photosensitive microcapsule recording medium |
04/17/1990 | US4918523 Digital video formatting and transmission system and method |
04/17/1990 | US4918466 Light beam image recording apparatus having commonly driven member |
04/17/1990 | US4918465 Multi-color beam scanner with simultaneous scanning along a plurality of scan lines |
04/17/1990 | US4918462 Method and apparatus for driving a solid scan type recording head |
04/17/1990 | US4918304 Flying spot image scanner that utilizes a CRT coupled to a noncoherent fiber optic bundle |
04/17/1990 | US4917454 Image scanner employing light pipes and an imaging sensor array |
04/12/1990 | DE3933488A1 Transmission system for video telephone |
04/12/1990 | DE3933150A1 Video printer with built-in monitor - has inputs for character generator and main video signal, superimposed by combination circuit |
04/12/1990 | DE3834312A1 Device for generating and recording an image of an object and, in particular, of the fundus of the eye |
04/11/1990 | EP0363146A2 Color image processing apparatus |
04/11/1990 | EP0363132A2 LED illuminator bar |
04/11/1990 | EP0362980A2 Low cost color scanner |
04/11/1990 | EP0362737A1 Apparatus and method for converting pictures in video signals |
04/11/1990 | EP0362595A2 Image binarization apparatus |
04/11/1990 | EP0362590A1 Facsmile system |
04/11/1990 | EP0362434A1 Image processing computer system |
04/11/1990 | EP0362352A1 Document scanner. |
04/11/1990 | EP0362204A1 Covering and cleaning device for the optical character generator in an electrophotographic printing device |
04/11/1990 | EP0362196A1 Interface device |
04/11/1990 | CN1007574B Image reader |
04/10/1990 | US4916747 Image processing system |
04/10/1990 | US4916744 Image signal processing method |
04/10/1990 | US4916739 Adhesive photocopyable transparency for use in a secure facsimile transmission system |
04/10/1990 | US4916732 Communication system having telephonic function |
04/10/1990 | US4916638 Media advance system for swath printers |
04/10/1990 | US4916607 Computer for executing a process control program and a communication control program in parallel |
04/10/1990 | US4916561 Hard copy printer having magnetic tape image storage |
04/10/1990 | US4916552 Optical reader head with video compensation method and circuit which integrates four adjacent pixels into a composite pixel |
04/10/1990 | US4916551 Multi-channel image processing with cross channel context |
04/10/1990 | US4916550 Foldable portable optical instrument |
04/10/1990 | US4916549 Image sensing apparatus with shading compensation |
04/10/1990 | US4916547 Color image forming apparatus |
04/10/1990 | US4916545 Electronic graphic arts screener that suppresses Moire patterns using pseudo-random font selection |
04/10/1990 | US4916537 Image information signal transmitting system |
04/10/1990 | US4916531 Color video processing circuitry |
04/10/1990 | US4916530 High resolution halftone dot generator system including LED array |
04/10/1990 | US4916486 Copying and printing apparatus |
04/10/1990 | US4916483 Small angle document rotator in an imaging device platen cover |
04/10/1990 | US4916480 Image forming apparatus with use of a laser beam |
04/10/1990 | US4916470 Image bar with electrochromic switching system |
04/10/1990 | US4916367 Method of and apparatus for preventing scanning line deviation in a process scanner of a separated drum type |
04/10/1990 | US4916316 Radiation image recording and reproducing method |