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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02/19/1985 | US4500918 Original reading apparatus |
02/19/1985 | US4500917 Method of filing set-up data for a photo-electric scanner and an apparatus for reading such data in the form of graphs |
02/19/1985 | US4500893 Thermal-printing device with defective resistive heating element detection mode |
02/19/1985 | US4500197 For use in a photocopy machine |
02/19/1985 | US4500045 Laterally translatable roll apparatus |
02/19/1985 | CA1182846A1 Rolling bias spring |
02/13/1985 | EP0132956A2 Light beam scanning apparatus |
02/13/1985 | EP0132794A2 Method and apparatus for thermal half tone printing |
02/13/1985 | EP0132653A1 Circuit arrangement for generating characters or graphic patterns by means of output units of matrix printing devices |
02/13/1985 | EP0132641A2 Device for converting colour television pictures into coarse raster graphics with a limited resolution and with a limited number of colour tones which can be used simultaneously |
02/13/1985 | EP0132455A1 Method and apparatus for the high definition display of line graphics |
02/13/1985 | EP0132453A1 Method and apparatus for minimizing errors during the digital processing of electric signals |
02/12/1985 | US4499547 Output compensating system |
02/12/1985 | US4499506 Video signal recording and/or reproducing system |
02/12/1985 | US4499503 Video format signal recording and reproduction system |
02/12/1985 | US4499501 Image transfer method and apparatus |
02/12/1985 | US4499500 Two-side image forming apparatus |
02/12/1985 | US4499499 Method for identification and compression of facsimile symbols in text processing systems |
02/12/1985 | US4499491 Moving map display using optical tunnel |
02/12/1985 | US4499489 Production of screen printing blocks |
02/12/1985 | CA1182554A1 Thresholder for text and photographs |
02/12/1985 | CA1182553A1 Imaging system and method with reduced moire interference |
02/12/1985 | CA1182512A1 Control of a light emitting diode array |
02/05/1985 | US4498109 Picture outline tracing and recording machine |
02/05/1985 | US4498108 Screen for reproducing continuous-tone pictures |
02/05/1985 | US4498102 Method and apparatus for a transmission system for transmitting an image at a reduced output |
02/05/1985 | US4498090 Electrostatic printing apparatus |
02/05/1985 | US4498005 Cassette having radiation image storage medium |
02/05/1985 | CA1182205A2 Information transmitting and receiving station utilizing a copier-printer |
01/31/1985 | WO1985000490A1 Disc film scanning apparatus |
01/30/1985 | EP0132306A2 Electrostatic photocopying machine used as a printer and/or high-speed facsimile terminal and an electrode assembly therefor |
01/29/1985 | US4496989 Method for composing and recording a picture and a character by using picture signals and character signals for use in a picture reproducing machine |
01/29/1985 | US4496988 Copying machine |
01/29/1985 | US4496987 Conversion of an analog image signal into a binary image signal |
01/29/1985 | US4496984 Raster input/output scanner |
01/29/1985 | US4496983 Trimming area control system in photo-printing |
01/29/1985 | US4496968 Reproduction of colored images |
01/29/1985 | US4496955 Apparatus for thermal printing |
01/29/1985 | US4496946 Programmable electronic display |
01/29/1985 | CA1181864A1 Image processing system |
01/29/1985 | CA1181862A1 Gray scale image data compression with code words a function of image history |
01/29/1985 | CA1181841A2 Shading compensation for scanning apparatus |
01/29/1985 | CA1181838A1 Method of improving contrast accentuation |
01/23/1985 | EP0131814A2 Electronic camera scanning mechanism |
01/23/1985 | EP0062630B1 Installation for regulating the speed of droplets in ink printers |
01/22/1985 | US4495523 Signal processing unit for original reading device |
01/22/1985 | US4495522 Recording apparatus and method of picture image |
01/22/1985 | US4495521 Electronic copying apparatus |
01/22/1985 | US4495516 Film video player having flash illuminated area image sensor and single frame CCD image sensor for use therewith |
01/22/1985 | US4495508 Electrostatic reproducing apparatus |
01/22/1985 | US4495422 Illumination control for raster input scanners |
01/22/1985 | US4495409 Photosensor with diode array |
01/22/1985 | US4494862 Computerized information processing system equipped with copying apparatus |
01/22/1985 | US4494821 Laser printing system with developable helicoid reflector |
01/22/1985 | US4494691 Line-by-line document scanner equipped with a device for controlling the position of documents |
01/22/1985 | CA1181540A1 Scanning-image forming apparatus using photo response signal |
01/22/1985 | CA1181273A1 Optical scanning system with wavelength shift correction |
01/16/1985 | EP0131430A2 Image processing apparatus |
01/16/1985 | EP0131320A1 Optical print head and printer comprising such a head |
01/16/1985 | EP0131244A2 Radiation image read-out apparatus |
01/16/1985 | EP0131154A1 Method of correcting radiation image read-out error |
01/16/1985 | EP0131145A1 Multicolour printing with seven or eight printing colours and with adjacent surface elements |
01/16/1985 | EP0036418B1 Process for transforming chrominance numerical signals of an orthogonal system of colour coordinates into numerical colour signals and into saturation signals of a system of colour coordinates and transformation circuit |
01/15/1985 | US4494152 Character and image data reading system |
01/15/1985 | US4494151 4-Pixel run-length code for data compression |
01/15/1985 | US4494150 Word autocorrelation redundancy match facsimile compression for text processing systems |
01/15/1985 | US4494149 Facsimile communication data recording apparatus for facsimile transceiver |
01/15/1985 | US4494148 Compact video slide projector |
01/15/1985 | US4494126 Thermal recording head drive device |
01/15/1985 | US4493549 Optical system for imaging an electrophotographic member |
01/09/1985 | EP0130419A2 Thermal transfer printer |
01/09/1985 | EP0130415A2 Data compression for graphics images |
01/09/1985 | EP0130295A2 Image signal processing apparatus |
01/08/1985 | US4492987 Processor for enhancing video signals for photographic reproduction |
01/08/1985 | US4492985 Beam scanning means for input/output unit |
01/08/1985 | US4492984 Drum scanners |
01/08/1985 | US4492983 System for decoding compressed data |
01/08/1985 | US4492977 In an electronic color separation system |
01/08/1985 | US4492970 Laser diode printer |
01/08/1985 | US4492965 Thermal transfer printing method |
01/08/1985 | US4492455 Image scanning system having a continuously rotating sub-scanning drum |
01/08/1985 | US4492435 Multiple array full width electro mechanical modulator |
01/08/1985 | CA1180793A1 Method and circuit arrangement for contrast intensification |
01/02/1985 | EP0130018A2 Electronic conference system |
01/02/1985 | EP0129831A2 Image scanning read-out apparatus |
01/02/1985 | EP0051068B1 Electronic image processing |
01/02/1985 | CA1180439A Information transmitting and receiving station utilizing a copier-printer |
01/02/1985 | CA1180371A Method and apparatus for controlling a printer |
01/02/1985 | CA1180286A Digital facsimiles (fast additive color separation internegatives miles) |
01/02/1985 | CA1180285A Method and apparatus for partial recorrection of color recognition spaces in printing techniques |
01/01/1985 | US4491963 Correction of imaging imperfections |
01/01/1985 | US4491961 For generating processed video signals |
01/01/1985 | US4491909 Data processing system having shared memory |
01/01/1985 | US4491875 Apparatus and method for tonal image processing |
01/01/1985 | US4491874 System for displaying picture information |
01/01/1985 | US4491873 Common controlled facsimile system |
01/01/1985 | US4491864 Color separation condition selecting means for a picture scanning and recording machine |
01/01/1985 | US4491853 Image recording arrangement |
12/27/1984 | EP0129446A2 Automatic color analysis based on minimum/maximum video level |
12/27/1984 | EP0129122A1 Electronic imaging camera |