Patents
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
02/1985
02/19/1985US4500918 Original reading apparatus
02/19/1985US4500917 Method of filing set-up data for a photo-electric scanner and an apparatus for reading such data in the form of graphs
02/19/1985US4500893 Thermal-printing device with defective resistive heating element detection mode
02/19/1985US4500197 For use in a photocopy machine
02/19/1985US4500045 Laterally translatable roll apparatus
02/19/1985CA1182846A1 Rolling bias spring
02/13/1985EP0132956A2 Light beam scanning apparatus
02/13/1985EP0132794A2 Method and apparatus for thermal half tone printing
02/13/1985EP0132653A1 Circuit arrangement for generating characters or graphic patterns by means of output units of matrix printing devices
02/13/1985EP0132641A2 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
02/13/1985EP0132455A1 Method and apparatus for the high definition display of line graphics
02/13/1985EP0132453A1 Method and apparatus for minimizing errors during the digital processing of electric signals
02/12/1985US4499547 Output compensating system
02/12/1985US4499506 Video signal recording and/or reproducing system
02/12/1985US4499503 Video format signal recording and reproduction system
02/12/1985US4499501 Image transfer method and apparatus
02/12/1985US4499500 Two-side image forming apparatus
02/12/1985US4499499 Method for identification and compression of facsimile symbols in text processing systems
02/12/1985US4499491 Moving map display using optical tunnel
02/12/1985US4499489 Production of screen printing blocks
02/12/1985CA1182554A1 Thresholder for text and photographs
02/12/1985CA1182553A1 Imaging system and method with reduced moire interference
02/12/1985CA1182512A1 Control of a light emitting diode array
02/05/1985US4498109 Picture outline tracing and recording machine
02/05/1985US4498108 Screen for reproducing continuous-tone pictures
02/05/1985US4498102 Method and apparatus for a transmission system for transmitting an image at a reduced output
02/05/1985US4498090 Electrostatic printing apparatus
02/05/1985US4498005 Cassette having radiation image storage medium
02/05/1985CA1182205A2 Information transmitting and receiving station utilizing a copier-printer
01/1985
01/31/1985WO1985000490A1 Disc film scanning apparatus
01/30/1985EP0132306A2 Electrostatic photocopying machine used as a printer and/or high-speed facsimile terminal and an electrode assembly therefor
01/29/1985US4496989 Method for composing and recording a picture and a character by using picture signals and character signals for use in a picture reproducing machine
01/29/1985US4496988 Copying machine
01/29/1985US4496987 Conversion of an analog image signal into a binary image signal
01/29/1985US4496984 Raster input/output scanner
01/29/1985US4496983 Trimming area control system in photo-printing
01/29/1985US4496968 Reproduction of colored images
01/29/1985US4496955 Apparatus for thermal printing
01/29/1985US4496946 Programmable electronic display
01/29/1985CA1181864A1 Image processing system
01/29/1985CA1181862A1 Gray scale image data compression with code words a function of image history
01/29/1985CA1181841A2 Shading compensation for scanning apparatus
01/29/1985CA1181838A1 Method of improving contrast accentuation
01/23/1985EP0131814A2 Electronic camera scanning mechanism
01/23/1985EP0062630B1 Installation for regulating the speed of droplets in ink printers
01/22/1985US4495523 Signal processing unit for original reading device
01/22/1985US4495522 Recording apparatus and method of picture image
01/22/1985US4495521 Electronic copying apparatus
01/22/1985US4495516 Film video player having flash illuminated area image sensor and single frame CCD image sensor for use therewith
01/22/1985US4495508 Electrostatic reproducing apparatus
01/22/1985US4495422 Illumination control for raster input scanners
01/22/1985US4495409 Photosensor with diode array
01/22/1985US4494862 Computerized information processing system equipped with copying apparatus
01/22/1985US4494821 Laser printing system with developable helicoid reflector
01/22/1985US4494691 Line-by-line document scanner equipped with a device for controlling the position of documents
01/22/1985CA1181540A1 Scanning-image forming apparatus using photo response signal
01/22/1985CA1181273A1 Optical scanning system with wavelength shift correction
01/16/1985EP0131430A2 Image processing apparatus
01/16/1985EP0131320A1 Optical print head and printer comprising such a head
01/16/1985EP0131244A2 Radiation image read-out apparatus
01/16/1985EP0131154A1 Method of correcting radiation image read-out error
01/16/1985EP0131145A1 Multicolour printing with seven or eight printing colours and with adjacent surface elements
01/16/1985EP0036418B1 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
01/15/1985US4494152 Character and image data reading system
01/15/1985US4494151 4-Pixel run-length code for data compression
01/15/1985US4494150 Word autocorrelation redundancy match facsimile compression for text processing systems
01/15/1985US4494149 Facsimile communication data recording apparatus for facsimile transceiver
01/15/1985US4494148 Compact video slide projector
01/15/1985US4494126 Thermal recording head drive device
01/15/1985US4493549 Optical system for imaging an electrophotographic member
01/09/1985EP0130419A2 Thermal transfer printer
01/09/1985EP0130415A2 Data compression for graphics images
01/09/1985EP0130295A2 Image signal processing apparatus
01/08/1985US4492987 Processor for enhancing video signals for photographic reproduction
01/08/1985US4492985 Beam scanning means for input/output unit
01/08/1985US4492984 Drum scanners
01/08/1985US4492983 System for decoding compressed data
01/08/1985US4492977 In an electronic color separation system
01/08/1985US4492970 Laser diode printer
01/08/1985US4492965 Thermal transfer printing method
01/08/1985US4492455 Image scanning system having a continuously rotating sub-scanning drum
01/08/1985US4492435 Multiple array full width electro mechanical modulator
01/08/1985CA1180793A1 Method and circuit arrangement for contrast intensification
01/02/1985EP0130018A2 Electronic conference system
01/02/1985EP0129831A2 Image scanning read-out apparatus
01/02/1985EP0051068B1 Electronic image processing
01/02/1985CA1180439A Information transmitting and receiving station utilizing a copier-printer
01/02/1985CA1180371A Method and apparatus for controlling a printer
01/02/1985CA1180286A Digital facsimiles (fast additive color separation internegatives miles)
01/02/1985CA1180285A Method and apparatus for partial recorrection of color recognition spaces in printing techniques
01/01/1985US4491963 Correction of imaging imperfections
01/01/1985US4491961 For generating processed video signals
01/01/1985US4491909 Data processing system having shared memory
01/01/1985US4491875 Apparatus and method for tonal image processing
01/01/1985US4491874 System for displaying picture information
01/01/1985US4491873 Common controlled facsimile system
01/01/1985US4491864 Color separation condition selecting means for a picture scanning and recording machine
01/01/1985US4491853 Image recording arrangement
12/1984
12/27/1984EP0129446A2 Automatic color analysis based on minimum/maximum video level
12/27/1984EP0129122A1 Electronic imaging camera