Patents
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
03/1988
03/30/1988EP0261782A2 A color image processing apparatus
03/30/1988EP0261561A1 High resolution color video image aquisition and compression system
03/30/1988EP0261394A2 Image recording apparatus
03/30/1988CN87106472A Drive circuit for thermal printer
03/29/1988US4734868 Precision paper transport system
03/29/1988US4734790 Video printing process and apparatus
03/29/1988US4734789 Editing copying machine
03/29/1988US4734788 Single pass electrostatic color printer/plotter having straight paper path
03/29/1988US4734787 Original reader
03/29/1988US4734786 Image processing apparatus
03/29/1988US4734785 Image processing apparatus having an automatic sampling modification function
03/29/1988US4734784 Image processing apparatus
03/29/1988US4734783 Shading elimination device for image read-out apparatus
03/29/1988US4734782 Image processing apparatus or system with plural reading units, capable of differently processing various areas of an original
03/29/1988US4734781 Automatic framing device for photographic use
03/29/1988US4734780 High speed facsimile communication system
03/29/1988US4734769 Method and apparatus for display of variable intensity pictures on a video display terminal
03/29/1988US4734768 Method for transmitting differential pulse code modulation (DPCM) values
03/29/1988US4734765 Video/audio information transmission system
03/29/1988US4734764 Cable television system selectively distributing pre-recorded video and audio messages
03/29/1988US4734763 Apparatus for generating positive or negative image output signals from either positive or negative originals
03/29/1988US4734762 Color image reading apparatus with a plurality of line sensors in which a white balance operation is performed by determining amplifier gains while reading a white reference plate
03/29/1988US4734761 Color image recording apparatus using a color recording cathode-ray tube with a blue-green phosphor, a red phosphor, and blue, green, and red stripe filters
03/29/1988US4734760 Multi-color image recording apparatus with two scanners and one printer
03/29/1988US4734759 A video printer having color signal interpolation circuit
03/29/1988US4734742 Duplex scanner
03/29/1988US4734715 Variable light beam scanning apparatus
03/29/1988US4734714 Optical print head with LED diode array
03/24/1988DE3730096A1 Justiersystem an einem bewegten substrat Alignment system on a moving substrate
03/24/1988DE3729751A1 Image scanner
03/23/1988EP0261027A1 Optical reading device without an objective
03/23/1988EP0260992A2 Gradation control device for thermal ink-transfer type printing apparatus
03/23/1988EP0260892A1 Copier with accurately position-controllable sub-scanning unit
03/23/1988EP0260891A1 reproduction of coloured images
03/23/1988EP0260824A2 Circuit for a photosensitive pixel with exposed blocking element
03/23/1988CN86105983A Method and system for simultaneous reproduction of subdivided portions of a video image
03/23/1988CN86105977A Method and system for the display of literal / pattern image in a voluntary combination with a video image
03/22/1988US4733313 Digital recording and playback system for X-ray video signals
03/22/1988US4733309 Apparatus for enabling an operator to mount an unexposed film on and demount an exposed film from the drum of a color scanner via a light-blind window
03/22/1988US4733308 Control method of vertical scan speed
03/22/1988US4733307 Light beam recording apparatus, light beam read-out apparatus and light beam scanning apparatus
03/22/1988US4733305 Conversational picture processing system
03/22/1988US4733304 Processing method for graphic arts picture data
03/22/1988US4733303 Facsimile apparatus
03/22/1988US4733275 System for storage and printing a plurality of images
03/22/1988US4733256 For use with a toner delivery system
03/22/1988US4733253 Apparatus and method for detecting and eliminating diode laser mode hopping
03/22/1988US4733252 Beam splitter for multibeam A/O modulators and printer systems
03/22/1988US4733230 Method of displaying continuous tone picture using limited number of different colors or black-and-white levels, and display system therefor
03/22/1988US4733098 Image reading apparatus comprising first and second substrates separated at a fixed distance
03/22/1988US4733097 High signal to noise ratio optical image reader
03/22/1988US4733096 Directly detectable image sensor employing a lens array and method of producing the same
03/22/1988US4733076 Radiation image recording and read-out apparatus
03/22/1988US4733064 Light beam scanner with focus-varying mechanism
03/17/1988DE3727961A1 Optical laser-beam control device for printers
03/17/1988DE3629200A1 Method for converting a video signal into a binary signal
03/16/1988EP0260139A1 Image processing
03/16/1988EP0260020A2 A method of generating a gray scale image
03/16/1988EP0259981A2 Colour image processing method and apparatus
03/16/1988EP0259695A2 Method of and apparatus for generating image data used to record an image having gradation
03/16/1988EP0259588A2 Method and apparatus for block coding vertical mode codes for enhanced compression of image data
03/16/1988EP0259541A2 Method for printing gray scales with a thermal ink jet printer
03/15/1988US4731862 Binarizing system of picture image signals
03/15/1988US4731673 Image output device
03/15/1988US4731672 Image processing system
03/15/1988US4731671 Contrast adjustment in digital image processing method employing histogram normalization
03/15/1988US4731670 Imaging apparatus
03/15/1988US4731668 Image reading apparatus including means for accurately determining the location of read image information
03/15/1988US4731667 Image forming apparatus
03/15/1988US4731662 Image processing method for processing an image signal differently depending on the range of an image characteristic thereof relative to the range within which an output device can reproduce the image characteristic
03/15/1988US4731661 Color document reader with white balance adjuster for determining light emission periods for a plurality of different-colored light sources and corresponding integration times for a light sensor by reading a white reference area
03/15/1988US4731658 Facsimile machine using cut sheet of paper
03/15/1988US4731657 Control apparatus
03/15/1988US4731647 Method and apparatus for printing ink by dissolving colorant with deposited solvent
03/15/1988US4731623 Image formation device
03/15/1988US4731622 Multiple information array registration apparatus and method
03/15/1988US4731618 Control method for thermal recording
03/15/1988US4731542 System and method for activating an operating element with respect to a moving substrate
03/15/1988US4730948 Method and apparatus for controlling a printer
03/15/1988US4730930 Scanning apparatus and method
03/15/1988CA1234231A1 Image information retrieval/display apparatus
03/10/1988DE3630174A1 Method for exposing an original dot-by-dot and line-by-line for copying
03/09/1988EP0259138A2 Image processing apparatus
03/09/1988EP0258976A2 An image viewing station for picture archiving & communications systems
03/09/1988EP0258740A2 Method of and apparatus for processing an image with gradation correction of video signal
03/09/1988EP0258673A2 Method of and apparatus for processing an image according to a correction level
03/09/1988EP0258341A1 Method for digital data transmission.
03/09/1988CN87103566A Optical arrangement for illuminating line scan of element
03/09/1988CN86100184B Method for non-standard communication mode
03/08/1988US4730221 Screening techniques by identification of constant grey components
03/08/1988US4730220 Device for electronic recording of images with an optical radiation-emitting system and a detector system for detecting the received image information
03/08/1988US4730219 Image scanning and recording method
03/08/1988US4730185 Graphics display method and apparatus for color dithering
03/08/1988US4729642 Time-sharing driving method for a chiral smectic liquid crystal shutter
03/08/1988US4729617 Scanning clock generating device for optical scanner
03/08/1988CA1233870A1 Electrophotographic information printer
03/08/1988CA1233869A1 Image processing system
03/07/1988EP0156799A4 Multi-purpose facsimile machine.
03/02/1988EP0257819A2 Method and apparatus for placing information on a medium while compensating for deviations from a characteristic time period
03/02/1988EP0257798A2 Imaging system utilizing an oscillating gradient index lens array