Patents
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
12/1990
12/27/1990EP0403625A1 Resequencing line store device.
12/27/1990EP0246287A4 Photo-electric imaging device
12/27/1990CA1278373C Method of detecting boundary structures in a video signal
12/27/1990CA1278262C System and method for adjusting image brightness in electronic printer
12/26/1990CN1048115A Thermo-sensing printer
12/25/1990US4980781 Method of and apparatus for setting original in image
12/25/1990US4980780 Image forming system
12/25/1990US4980778 For a facsimile machine
12/25/1990US4980777 Image recording apparatus
12/25/1990US4980776 Electronic copying machine having a line sensor in which the charge storage time is set based on image signals of the previous scan line
12/25/1990US4980760 Image processing apparatus
12/25/1990US4980759 Calibration system and method for color image scanning
12/25/1990US4980758 Image processing technique for processing digital color image information
12/25/1990US4980757 Image processing apparatus for gradation processing of an image signal to output a pulse width modulated signal
12/25/1990US4980720 Imaging system
12/25/1990US4980717 Image recording method and apparatus
12/25/1990US4980706 Image processor with partial image size zooming and method of partial image processing
12/25/1990US4980549 Beam position sensor for a light beam scanner having emitter and detector disposed along the same optical axis
12/19/1990EP0403253A1 An electronic image composition system
12/19/1990EP0403227A1 Registration apparatus
12/19/1990EP0403226A1 Method and apparatus for generating a binary representation of an image
12/19/1990EP0402954A2 Prioritizized image transmission system and method
12/19/1990EP0402860A2 Contact type image sensor
12/19/1990EP0402426A1 Dual mode ink jet printer.
12/19/1990CA2016242A1 Color encoding photographic film
12/19/1990CA2012403A1 Display system having a hexagonal crystal structured color palette
12/18/1990USRE33496 Thermal transfer recording apparatus
12/18/1990US4979229 Method of and apparatus for converting the resolution of an image represented by a pattern of bivalent pixels
12/18/1990US4979187 Predictive coding device
12/18/1990US4979129 Digital color converting apparatus for color image processor
12/18/1990US4979049 Efficient encoding/decoding in the decomposition and recomposition of a high resolution image utilizing its low resolution replica
12/18/1990US4979042 For compensating for two-dimensional non-uniformities in an optical system
12/18/1990US4979032 Color imaging apparatus producing on various image receptive materials a visually matched hard copy reproduction of a video image displayed
12/18/1990US4979031 Digital color copying machine
12/18/1990US4979027 Image reading apparatus having amplification factors vary in response to a spatial frequency of an input image signal
12/18/1990US4978978 Photosensitive microcapsule sheet recorder with CRT image projection
12/18/1990US4978977 Laser scanner with conjugate condition lens
12/18/1990US4978976 Image recorder with plural beam scan synchronization
12/18/1990US4978975 Laser scanning apparatus with deflector and receiver in an optically conjugate relationship
12/18/1990US4978974 Image recorder with linear laser diode array
12/18/1990US4978971 Method and apparatus for reformatting print data
12/18/1990US4978970 Scanning/recording system with plural beam overlap without interference
12/18/1990US4978968 Image recording apparatus
12/18/1990US4978950 Grey-scale representation using binary spatial light modulators in coherent optical processor
12/18/1990US4978849 Pel placement correction in the scan dimension of a multiple beam laser scanning system
12/18/1990US4978226 Digital color copying machine for composing and controlling the color of a composed image
12/18/1990US4978197 Beam-combining laser beam source device
12/18/1990US4978185 Raster scanning system utilizing overfilled polygon facet design with non-reflective facet edges
12/18/1990US4978115 Automatic paper feed device
12/18/1990CA1278079C Photoelectric conversion device
12/18/1990CA1278078C High resolution optical scanning system and method
12/13/1990WO1990015506A1 Process for obtaining a decision result for a half-image/full-image data compression process
12/13/1990WO1990015501A1 Method and apparatus for correcting shading effects in video images
12/13/1990WO1990015499A1 A color sequential optical offset image sampling system
12/13/1990WO1990015498A1 Process using a facsimile machine as a postscript printer
12/13/1990WO1990014957A1 Reduced banding in bidirectional ink jet printing
12/13/1990DE3917957A1 Printing method applying motifs to textiles, foil or paper - using VDU work-station for monitoring and modification of video images prior to computer controlled printing
12/13/1990CA2017914A1 Recording and reproducing method and apparatus
12/12/1990EP0402162A2 Image processing with noise enhancing operators for moiré reduction and/or random dot generation
12/12/1990EP0402149A2 Coding device
12/12/1990EP0402079A2 Printing method for proof and planograph using electrophotographic recording medium
12/12/1990EP0402016A2 Encoding/decoding in the decomposition and recomposition of a high resolution image
12/12/1990EP0401843A1 Recording apparatus
12/12/1990EP0401820A2 Recording density correction apparatus in printer
12/12/1990EP0401804A2 Facsimile device
12/12/1990EP0401567A2 Image reader
12/12/1990EP0401360A1 Optical image to video transfer system having enhanced resolution and contrast for dark areas of the image
12/12/1990EP0152473B1 facsimile device for run length coding
12/12/1990CN1047775A Fram memory of delying one-row for tv. compound image
12/11/1990US4977609 Interface circuit for telecommunications devices
12/11/1990US4977605 Binary quantification of an image having multiple levels of greys
12/11/1990US4977521 Film noise reduction by application of bayes theorem to positive/negative film
12/11/1990US4977464 Method of producing halftone images by choosing a conversion function based on virtual and reference solid pixels
12/11/1990US4977463 Image recording apparatus for minimizing an output size of paper having marked an area of an input image
12/11/1990US4977458 Apparatus for addressing a font to suppress Moire patterns occurring thereby and a method for use therein
12/11/1990US4977448 Color image processing apparatus having exact color reproduction capability
12/11/1990US4977415 Electrostatic recording head, image recording apparatus, developing agent supplying device, display device and method of producing electrostatic recording head
12/11/1990US4977414 Image forming apparatus
12/11/1990US4977412 Optical scanning device
12/11/1990US4977411 Electronic color printing system
12/11/1990US4977322 Method and apparatus for minimizing image signal noise, and radiation image read-out method and apparatus
12/11/1990US4977313 Facsimile equipment with direct-contact-type image sensor
12/11/1990US4977304 Linear solid state image sensor
12/11/1990US4977096 Method of making a photosensor using selective epitaxial growth
12/11/1990US4976802 Process for assembling smaller scanning or printing arrays together to form a longer array
12/11/1990CA1277764C System for enabling descrambling on a selective- subscription basis in a subscriber communication network
12/11/1990CA1277605C Optical arrangement for a line-by-line illumination of scan originals
12/09/1990CA2018735A1 Process to use facsimile machine as a postscript printer
12/06/1990DE4017298A1 Automatic selector of facsimile transmission rate - adds error information from test to disturbance signal in receiver for analysis and optimum rate selection
12/06/1990DE4016682A1 Facsimile document spacing indicator with automatic feed roller - has transfer and feed rollers driven at equal linear speeds respectively below and above step of base-plate
12/05/1990EP0401058A2 Binary image reduction method
12/05/1990EP0401026A2 Image communication apparatus
12/05/1990EP0401025A2 Image communication apparatus
12/05/1990EP0401024A2 Image communication apparatus
12/05/1990EP0401023A2 Image recording system and apparatus therefor
12/05/1990EP0400991A2 Color image processing apparatus
12/05/1990EP0400954A2 Raster scanning system utilizing overfilled polygon facet design
12/05/1990EP0400771A2 Special service call routing
12/05/1990EP0400729A2 Improved circuit for performing the S-transform
12/05/1990EP0400680A2 Recording apparatus, and method for forming plural dots in a pixel, for use therein