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)
04/1990
04/10/1990US4916310 Image read-out apparatus with image signal adding
04/10/1990US4916304 Image recording device having a conductive layer formed below a light receiving window
04/05/1990WO1990003589A1 Optical scanner
04/05/1990WO1990003277A1 Message cover
04/05/1990DE3933187A1 Einzelbild-videogeraet Still image videogeraet
04/05/1990DE3933186A1 Elektronische einzelbildkamera Single electronic imaging camera
04/05/1990DE3933155A1 Electronic still picture camera
04/05/1990DE3930625A1 Elektronische standbildkamera Electronic still image camera
04/04/1990EP0362182A2 A method and a device for registering information on a carrier of photographic material
04/04/1990EP0361880A2 Image signal processor
04/04/1990EP0361857A2 Recording apparatus
04/04/1990EP0361739A2 Scanning apparatus for reading an image
04/04/1990EP0361647A2 Video signal brancher
04/04/1990EP0361538A1 Method and system for edge enhancement in reproducing multi-level digital images on a bi-level printer of fixed dot size
04/04/1990EP0361515A2 Thin film phototransistor and photosensor array using the same
04/04/1990EP0361459A2 Facsimile device
04/04/1990EP0361000A2 Optical line sensor with a plurality of sensitive elements, made of a photoelectric material with a polycrystalline or amorphous structure
04/04/1990EP0360920A1 Circuit arrangement for obtaining the white level for the black-white quantizing of scan signals of single photosensors
04/04/1990CN1007463B Printed data strip including bit-encoded information and scanner control
04/03/1990US4914746 Electronic digital still camera for separately storing component video signals in memory
04/03/1990US4914716 Battery-operated facsimile machine
04/03/1990US4914668 Semiconductor laser including a reflection film
04/03/1990US4914525 Image processing machine
04/03/1990US4914524 Image reading apparatus and method
04/03/1990US4914522 Reproduction and enlarging imaging system and method using a pulse-width modulated air stream
04/03/1990US4914504 Opto-electronic image sensor arrangement
04/03/1990US4914475 Editing area setting method and editing area setting apparatus in an image forming apparatus
04/03/1990US4914459 Image forming apparatus
04/03/1990US4914457 Electrostatic latent image forming apparatus
04/03/1990US4914455 Process control for electrostatographic printers
04/03/1990US4914294 Method of and apparatus for correcting image signal
04/03/1990CA1267466A1 Method for recording printing forms
03/1990
03/28/1990EP0360732A2 Facsimile telecommunications method
03/28/1990EP0360615A2 Embedment of data in a video signal
03/28/1990EP0360572A2 Image processing system
03/28/1990EP0360402A2 Digital data display system
03/28/1990EP0360401A2 Method and apparatus for converting gray scale in a digital data display device
03/28/1990EP0360200A2 Communication apparatus utilizing a telephone line
03/28/1990EP0360169A2 Recording apparatus
03/28/1990EP0360155A2 Image transformation method and device
03/28/1990EP0359869A1 Method for colour correction by dry dot etching using photographically produced mask
03/28/1990EP0359813A1 Document recognition
03/27/1990US4912761 Security facsimile systems
03/27/1990US4912570 Recording and/or reproducing device
03/27/1990US4912569 Method for thresholding an image signal
03/27/1990US4912568 Halftone dot image recording apparatus and method employing high density screen pattern signal for light beam modulation
03/27/1990US4912567 Image reader
03/27/1990US4912566 Image recording apparatus with a variable magnification capable of finely changing an image magnification
03/27/1990US4912565 Method of and apparatus for recording image in the form of pixel array
03/27/1990US4912564 Clock signal generation apparatus
03/27/1990US4912563 Electrophotographic image forming apparatus having replaceable optical unit
03/27/1990US4912562 Method of and means for printing a multilevel representation of an image
03/27/1990US4912561 Manually scanned copying and printing machine
03/27/1990US4912558 Optical image to video transfer system having enhanced resolution and contrast for dark areas of the image
03/27/1990US4912491 Apparatus for forming superimposed images
03/27/1990US4911526 Fiber optic array
03/22/1990WO1990003078A1 Method for varying the response of a print device to an input signal and system and printing apparatus in which this method is applied
03/22/1990WO1990002971A1 Linear integrating cavity ligth source
03/22/1990WO1990002970A1 Intensity stabilized light source
03/22/1990WO1990002925A1 Dual mode ink jet printer
03/22/1990EP0331706A4 Oscillating bar suspension system.
03/22/1990DE3930810A1 Hard copy video image printer - has control for drive and heating element assembly for setting to temp. required to sublimate ink on foil
03/22/1990DE3930635A1 Standbildvideosystem Still image video system
03/22/1990DE3930607A1 Unterscheidungsvorrichtung zum genauen unterscheiden zwischen wiedergabearten eines aufgezeichneten videosignals Discriminating apparatus for accurately distinguish between types of playback of a recorded video signal
03/22/1990DE3927207A1 Standfarbbild-uebertragungssystem Stand color image transmission system
03/21/1990EP0359568A2 Self-running scanner for optically reading images
03/21/1990EP0359463A2 Dot image data output apparatus
03/21/1990EP0359344A2 Arrangement for guiding and shifting a carriage of an office machine
03/21/1990EP0359267A2 Method for generating radiation image signals
03/21/1990EP0359266A2 Method of and apparatus for recording halftone image
03/21/1990EP0359248A2 Laser irradiating apparatus and laser recording apparatus using the same
03/21/1990EP0359180A2 Image reading apparatus
03/21/1990EP0359080A2 A display using ordered dither
03/21/1990EP0358815A1 System and method for automatic segmentation
03/21/1990EP0358796A1 Diagnostic X-ray device with luminescent storage screen
03/21/1990EP0222796B1 Digital image processing tone value sample selection
03/21/1990CN1007292B Nondestructive readout of a latent electrostatic image formed on an insulating material
03/20/1990US4910785 Display apparatus
03/20/1990US4910765 Communication terminal apparatus having a relaying function
03/20/1990US4910764 Facsimile and voice communications interface device
03/20/1990US4910612 Two-sided copying method and apparatus for a digital copier
03/20/1990US4910611 Method for doing interactive image processing operations on large images
03/20/1990US4910610 Facsimile communication system
03/20/1990US4910609 Teleradiology system
03/20/1990US4910607 Image processing device of multifunctional type
03/20/1990US4910606 Solid state pick-up having particular exposure and read-out control
03/20/1990US4910604 Image transmission apparatus
03/20/1990US4910603 Half-tone image reproduction method and apparatus using partial density ranges
03/20/1990US4910602 Thermal recorder with ink sheet cassette removably mounted in openable housing
03/20/1990US4910601 Digitizing scanning apparatus
03/20/1990US4910589 Method of converting light data to color data with use of matrix coefficients
03/20/1990US4910532 Image recording apparatus
03/20/1990US4910506 Data communication apparatus
03/20/1990CA1266922A2 Management communication terminal system
03/15/1990DE3930808A1 Colour printer for video image reproduction - transferring colour from foil to surface of image carrier via application of heat
03/15/1990DE3830577A1 Digital scanning
03/14/1990EP0358441A2 Communication apparatus
03/14/1990EP0358184A2 Reproduction of halftone original with moire reduction and tone adjustment
03/14/1990EP0358171A2 Light intensity control apparatus
03/14/1990EP0357837A2 Method for producing a display with a diffraction grating pattern and a display produced by the method
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