Patents
Sitemap › H04 - Electric communication technique › H04N - Pictorial communication, e.g. television › H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
11/1990
11/20/1990US4972255 Color line sensor having photodiode arrays which are respectively formed in different well regions of a substrate
11/20/1990US4972226 Image processing apparatus operable in plural operation modes
11/20/1990US4972209 Image recording forming blanks in peripheral edges
11/20/1990US4972208 Reproduction apparatus
11/20/1990US4972079 Mount for an optical device
11/20/1990US4971869 Color encoding photographic film
11/20/1990US4971415 Multibeam emitting device
11/20/1990US4971413 Laser beam depicting apparatus
11/20/1990US4971407 Two stage run and string data compressor providing doubly compressed output
11/20/1990US4971309 Automatic document feed mechanism
11/20/1990CA1276490C Scanning apparatus and method
11/15/1990WO1990013966A1 Partial information transmission for data base inquiry
11/15/1990WO1990013965A1 Image forming apparatus
11/15/1990WO1990013963A1 Flatbed document scanning system
11/15/1990WO1990013847A1 Film printing/reading system and method and apparatus for forming a recording on a recording medium
11/15/1990WO1990013842A1 Laser scanner driving apparatus
11/15/1990DE4013404A1 Bildlesevorrichtung An image reading apparatus
11/14/1990EP0397433A2 Image processing apparatus
11/14/1990EP0397429A2 Image processing apparatus and method
11/14/1990EP0397428A2 Image processing apparatus
11/14/1990EP0396980A2 Method of processing linework with electronic image processor
11/14/1990EP0396880A1 NdFeB magnet and surface passivation process of NdFeB magnets
11/14/1990EP0396846A1 Improved device for DCT encoding of digital video signals
11/14/1990EP0396661A1 Page memory control in a raster color image processor.
11/13/1990US4970607 Full-size image sensor
11/13/1990US4970606 Document reading apparatus
11/13/1990US4970605 Digital image scanning device having an automatic background compensation circuit
11/13/1990US4970604 Screen display enhancing system
11/13/1990US4970603 Facsimile communication system
11/13/1990US4970599 Image processing apparatus with plural page memory and error detection
11/13/1990US4970598 Method for correcting shading effects in video images
11/13/1990US4970586 Half-tone image reproducing method of improving gradation without loss of resolution
11/13/1990US4970585 Method and apparatus for reading multicolor manuscripts
11/13/1990US4970584 Method and apparatus for the compensation of color detection
11/13/1990US4970562 Color image processing apparatus
11/13/1990US4970554 Job processing system for high speed electronic copying/printing machines
11/13/1990US4970550 Copying system capable of designating a copying area
11/13/1990US4970549 Display device in image forming apparatus
11/13/1990US4970541 Camera system operable by carrying data from a camera accessory to a camera body
11/13/1990US4970382 Image sensor free from undesirable incident light rays having a light window with sloped side surfaces
11/13/1990US4970381 Integrated optics facsimile apparatus
11/13/1990US4969699 Light beam scanning apparatus
11/13/1990CA1276327C Circuit switching system
11/13/1990CA1276320C System for measuring the charge distribution on a photoreceptor surface
11/13/1990CA1276243C Apparatus for the exposure of a recording carrier including alpha numeric characters or faces having a foreground pattern contrasting relativeto a background pattern
11/13/1990CA1276223C Thermal printing apparatus and method
11/10/1990WO1990013964A1 Electronic still camera utilizing image compression and digital storage
11/07/1990EP0396368A2 Perceptually-adapted image coding system
11/07/1990EP0396202A2 Graphic plotting network methods and apparatus
11/07/1990EP0396105A2 Data communication terminal system capable of switching between telephone receiver and data terminal unit
11/07/1990EP0396062A2 Television system for the interactive distribution of selectable video presentations
11/07/1990EP0396041A2 Optical scanning equipment
11/07/1990EP0395806A1 Film printing/reading system
11/07/1990EP0221139B1 Method for detecting blank frames in a photographic color printer
11/06/1990USRE33425 Handy reader/printer apparatus
11/06/1990US4969204 Hybrid residual-based hierarchical storage and display method for high resolution digital images in a multiuse environment
11/06/1990US4969184 Data transmission arrangement
11/06/1990US4969054 Hand-held manually sweeping apparatus for reading image data
11/06/1990US4969053 A color film reading apparatus providing high-gradation color signals
11/06/1990US4969052 Image processing method and apparatus
11/06/1990US4969051 Image processing apparatus
11/06/1990US4969049 Radiation image information processing system
11/06/1990US4969048 Image recorder having specific sheet tray with hopper and discharge portions
11/06/1990US4969047 Processor for detecting the number of bit times in portions of a binary video signal to produce a corresponding number of width adjustable dot pulses
11/06/1990US4969041 Embedment of data in a video signal
11/06/1990US4968876 Laser beam reader having a projecting and receiving optical system
11/06/1990US4968135 System for producing pixel image data from CCITT encoded pixel data
11/06/1990US4968014 Sheet transport apparatus feeding to a plurality of trays in accordance with the sheet size of the transported media
11/01/1990WO1990013200A1 Process and device for converting a video image into an image with several gray levels
11/01/1990WO1990013199A1 Automatic brightness algorithm in a slide to video transfer unit
10/1990
10/31/1990EP0395452A2 Image processing apparatus
10/31/1990EP0395405A2 Image processing system
10/31/1990EP0395404A2 Image processing apparatus
10/31/1990EP0395402A2 Image processing system
10/31/1990EP0395394A2 Image encoding method
10/31/1990EP0395216A2 Apparatus and method for controlling film density for an apparatus for exposing photographic film with image data
10/31/1990EP0395082A2 Image storing IC card
10/31/1990EP0395032A2 Color image processing apparatus
10/31/1990EP0395016A2 Apparatus and method for forming color image
10/31/1990EP0395011A2 Process for transmitting video-image information to a facsimile subscriber installation
10/31/1990EP0394999A2 Shading distortion compensating structure of a light convergence reading scanner
10/31/1990EP0394929A2 Dither image processing method
10/31/1990EP0394867A2 Integrated optics facsimile apparatus
10/31/1990EP0394634A2 Reproduction and enlarging imaging system and method
10/31/1990EP0191829B1 Method for editing video still pictures
10/31/1990EP0152479B1 Method and device for two-dimensional facsimile coding
10/31/1990CN1046650A Apparatus and method for automatically centering video zoom and pan dispday
10/31/1990CN1046646A Thermally-activated receiving medium for use in facsimile transmission system
10/31/1990CN1010271B Optical arrangement for illuminating line scan of element
10/30/1990US4967288 Facsimile storage and exchange system
10/30/1990US4967287 Image forming apparatus
10/30/1990US4967286 Method and apparatus for forming a digital image on an optical recording disc
10/30/1990US4967285 Method of compensating for backlash caused after cutting off recording paper on facsimile apparatus
10/30/1990US4967284 Image forming apparatus and method of controlling output of semiconductor laser
10/30/1990US4967283 Multicolor sublimation type thermal recording method including color and gradation correction and device therefor
10/30/1990US4967266 Photographic printer with a monitor
10/30/1990US4967265 Color correction system for an electrophotographic copying machine
10/30/1990US4967264 Color sequential optical offset image sampling system
10/30/1990US4967240 Recording apparatus
10/30/1990US4967233 Fixed full width array scan head calibration apparatus
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