Patents
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
11/1998
11/03/1998US5832122 Method of processing image data
11/03/1998US5832119 Methods for controlling systems using control signals embedded in empirical data
11/03/1998US5832114 Facsimile apparatus for receiving and transmitting standardized video images
11/03/1998US5832112 Image processing apparatus capable of detecting specific originals
11/03/1998US5832111 Method and device for binary segmentation of a signal representing a digital image with a threshold obtained using a histogram
11/03/1998US5832109 Method and apparatus for calculating color gamuts
11/03/1998US5832087 Apparatus for generating encryption/decryption look-up tables using a session key
11/03/1998US5832055 Method of correcting a radiation image for defects in the recording member
11/03/1998US5832012 For scanning a predetermined area of a surface
11/03/1998US5831758 Multi-beam optical scanner
11/03/1998US5831757 Multiple cylinder deflection system
11/03/1998US5831751 Image processing apparatus
11/03/1998US5831750 Image reader having height distribution correction for a read document
11/03/1998US5831749 Optical scanning apparatus
11/03/1998US5831748 Image processor
11/03/1998US5831747 Method and apparatus for borderizing an image in a printing system
11/03/1998US5831746 Engraved area volume measurement system and method using pixel data
11/03/1998US5831745 Gravure engraving system using two signals out of phase with each other for engraving a plurality of cells on a surface of a gravure cylinder
11/03/1998US5831744 Image forming apparatus that warns of an abnormality in input image information
11/03/1998US5831686 Method and apparatus for adjusting correlated color temperature
11/03/1998US5831660 Electrostatic recording head
11/03/1998US5831659 Method and apparatus for writing elliptical spots on a thermal media
11/03/1998US5831642 Ink jet recording method and apparatus
11/03/1998US5831635 Image processing device
11/03/1998US5831626 Method and apparatus for generating halftone image with halftone dot rate correction
11/03/1998US5829893 Portable printing device
11/03/1998US5829881 Wear resistant apparatus and method for translating a printing element relative to a frame
11/03/1998US5829853 Film image signal outputting apparatus
11/03/1998CA2151093C Method for producing gradient tonal representations and a printhead for producing the same
11/03/1998CA2084178C Statistical multiplexer for a multichannel image compression system
10/1998
10/29/1998WO1998048569A1 Configurable, extensible, integrated profile generation and maintenance environment for facilitating image transfer between transform spaces
10/29/1998WO1998048568A1 Facsimile interfacing device
10/29/1998WO1998048567A2 High-speed halftoning
10/29/1998WO1998048380A1 Method for modifying the size of line elements
10/29/1998WO1998048322A1 Liquid crystal display with image reading function, image reading method and manufacturing method
10/29/1998WO1998047707A1 Method of and system for high quality reproduction of images
10/29/1998WO1997044725A3 Modular error embedding
10/29/1998DE19817591A1 Colour laser printer with single beam forming optical system
10/29/1998DE19733369A1 Image generation method for imaging system
10/29/1998DE19717847A1 Facsimile apparatus with unit for folding and closing facsimile
10/29/1998CA2296603A1 Facsimile interfacing device
10/28/1998EP0874520A2 Photographic image compression method and system
10/28/1998EP0874519A2 Image output control apparatus
10/28/1998EP0874518A2 Wear resistant lathe bed scanning apparatus and method
10/28/1998EP0874517A2 Image reading apparatus
10/28/1998EP0874516A2 Judging contamination of a scanner
10/28/1998EP0874465A1 Error resilient variable length code
10/28/1998EP0874330A2 Area based interpolation for image enhancement
10/28/1998EP0873648A1 Facsimile certification system and method
10/28/1998EP0873496A1 Test equipment for colour printing
10/28/1998EP0682839B1 Apparatus for transmitting and receiving encoded data
10/28/1998CN1197427A Aligner, exposure method and printer
10/28/1998CN1197355A Personal calling facsimile system
10/28/1998CN1197244A Data hiding method and data extraction method using statistical examination
10/28/1998CN1197243A Data hiding method and system using statistical properties
10/27/1998US5829044 Filing apparatus filing system file processing method and program containing file processing method
10/27/1998US5829014 Method of supervising storage of data in a memory card having EEPROM and a memory card system using the same
10/27/1998US5828986 Video camera for photographing animated images
10/27/1998US5828937 Electrostatographic single-pass multiple station printer and method with register control
10/27/1998US5828932 Document reading apparatus and document reading method
10/27/1998US5828925 Image forming apparatus capable of correcting position deviation of image
10/27/1998US5828849 Method to derive edge extensions for wavelet transforms and inverse wavelet transforms
10/27/1998US5828836 Networked information communication system
10/27/1998US5828816 Image processing apparatus and image processing method
10/27/1998US5828815 High quality multilevel halftoning for color images with reduced memory requirements
10/27/1998US5828792 Method of reducing document size for digital display
10/27/1998US5828790 Method and apparatus for approximating a contour image of an object in a video signal
10/27/1998US5828789 Image coding system and image decoding system
10/27/1998US5828784 Data coding method and apparatus using a plurality of blocks of different length
10/27/1998US5828782 Image processing apparatus and method
10/27/1998US5828781 Color image reproducing system with image signal correction function
10/27/1998US5828780 Image processing apparatus with improved color correction
10/27/1998US5828777 Image processing method and apparatus for preventing coping of specified documents
10/27/1998US5828501 Apparatus and method for positioning a lens to expand an optical beam of an imaging system
10/27/1998US5828483 Printing and inspection system using rotating polygon and optical fibers
10/27/1998US5828479 Cascade scanning optical system
10/27/1998US5828470 Color values processing apparatus capable of optimizing a processing description
10/27/1998US5828469 Document scanner with gravitational registration
10/27/1998US5828468 Point of presence (POP) for digital facsimile network with spoofing capability to maintain fax session
10/27/1998US5828467 Image processor
10/27/1998US5828466 Image recording apparatus
10/27/1998US5828465 Facsimile apparatus
10/27/1998US5828463 Printing plate for a halftone image having toner dependent rosette structures BV phase modulation
10/27/1998US5828462 Image recording apparatus with controller for selectively executing an energy saving mode
10/27/1998US5828461 Method and apparatus for converting original image data to density data for forming an image on photosensitive material and for displaying an image on a monitor
10/27/1998US5828425 Apparatus for decoding video data
10/27/1998US5828406 Electronic camera having a processor for mapping image pixel signals into color display pixels
10/27/1998US5828399 Imagesetter with rotating internal drum
10/27/1998US5828397 Image forming method and apparatus
10/27/1998US5828396 Information recording apparatus for recording images using plural information signals corresponding to respective plural colors
10/27/1998US5828387 Recording apparatus with compensation for variations in feeding speed
10/27/1998US5828045 Optoelectronic record element with electronic feedback for power control
10/27/1998US5826993 Apparatus having a roller for driving a record carrier and having a printing device, which are movable relative to one another
10/27/1998CA2109554C Secure document and method and apparatus for producing and authenticating same
10/22/1998WO1998047281A1 Digital camera and method of changing order of processing of recorded image data
10/22/1998WO1998047261A1 System and method for secured transmission of data over telephone communications system
10/22/1998WO1998047252A2 Personal audio message processor and method
10/22/1998WO1998047076A1 Method and apparatus for device control
10/22/1998WO1998046432A1 Method of driving ink jet recording head
10/22/1998WO1998036632A3 Apparatus and method for encoding wavelet trees generated by a wavelet-based coding method