Patents
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
03/1995
03/28/1995US5402249 Integrated circuit with exterior gain control adjustment
03/28/1995US5402248 Image encoding apparatus and method
03/28/1995US5402245 Bi-level digital color printer system exhibiting improved undercolor removal and error diffusion procedures
03/28/1995US5402244 Video signal transmission system with adaptive variable length coder/decoder
03/28/1995US5402221 Guideplate assembly having substrate velocity control arrangement
03/28/1995US5402208 Image forming apparatus where vibrations of the scanner do not affect the write operation
03/28/1995US5402172 Image signal processing device having phase reference signal adding function
03/28/1995US5402171 Electronic still camera with improved picture resolution by image shifting in a parallelogram arrangement
03/28/1995US5402157 Electrophotographic recording apparatus
03/28/1995US5402155 Apparatus for scanning drum inner face and method of scanning therefor
03/28/1995US5402154 Optical recording system capable of changing the beam size
03/28/1995US5402073 Near-end communications line characteristic measuring system with a voltage sensitive non-linear device disposed at the far end
03/28/1995US5400667 Means for measuring picture quality
03/28/1995CA2042305C Dialing system for automatically setting an abbreviated code
03/28/1995CA2022584C Facsimile apparatus and facsimile transmission method for digital communication network
03/25/1995CA2130707A1 System for custom imprinting a variety of articles with images obtained from a variety of different sources
03/25/1995CA2130706A1 System for custom imprinting a variety of articles with images obtained from a variety of different sources
03/24/1995CA2132151A1 Scanner cleaning sheet
03/23/1995WO1995008244A1 Video compression using an iterative error data coding method
03/23/1995DE4433879A1 Method and device for cutting out pictures
03/23/1995DE4428517A1 Method for treating a part of a compressed image, image conditioning device and image conditioning system
03/23/1995DE4421122A1 Optical image scanner
03/23/1995DE4402866A1 Puffer-Verwaltungssystem zur Verwaltung eines Puffer-Pools Buffer management system for managing a buffer pool
03/23/1995DE4331965A1 Method and device for increasing the grey-scale resolution
03/22/1995EP0644686A2 Method of and apparatus for processing color image
03/22/1995EP0644685A1 Data transmission system for sparse array print head
03/22/1995EP0644684A2 Digital resampling integrated circuit for fast image resizing applications
03/22/1995EP0644683A1 Method of and apparatus for processing an image
03/22/1995EP0644680A2 Method and device for establishing and processing text documents
03/22/1995EP0644501A1 Process and device for damaged vehicle remote expertise
03/22/1995EP0643897A1 A facsimile device
03/22/1995EP0643896A1 Copier
03/22/1995EP0643645A1 A method and a device for retaining a thin medium between two bodies.
03/21/1995US5400170 Method of controlling size of light beam pulses used to form respective plural pixels on a print medium
03/21/1995US5400154 Hybrid interpolation and non-interpolation method and apparatus for image enlarging and contracting
03/21/1995US5400153 System and method of determining a reference value for the intensity associated with a color indication variable obtained by scanning an original with a color scanning unit
03/21/1995US5400147 Method and apparatus for halftone reproduction of continuous tone radiographic images
03/21/1995US5400146 Image formation apparatus
03/21/1995US5400120 Electrophotographic apparatus
03/21/1995US5400117 Film clamp for flattening image frames in a scanning gate
03/21/1995US5400083 Noise reduction apparatus for video signal
03/21/1995US5400070 Lever actuated optical offset image sampling system
03/21/1995US5400062 Electrostatic printing apparatus and method
03/21/1995US5400059 High speed thermal printer
03/21/1995US5400051 Method and system for generating variably scaled digital images
03/21/1995US5399889 Image sensor providing output image signal with reduced offset
03/21/1995US5399878 Shuttered cassette slot for a reader
03/21/1995US5399850 Document reading apparatus, having a body unit for holding apparatus components
03/21/1995US5399846 Systems utilizing a high density two dimensional bar code symbology
03/21/1995CA1334866C Communication terminal apparatus
03/21/1995CA1334830C Color scanning system
03/18/1995CA2131277A1 Facsimile radio communication system having multiple data speeds
03/16/1995WO1995007589A1 Method and apparatus for preparing color separations based on n-way color relationships
03/16/1995WO1995007507A1 Method for the electronic assembly of printer's forms
03/16/1995DE4432941A1 Device for data transmission between a fax machine and a distant station
03/16/1995DE4432741A1 Image processing device
03/16/1995DE4432604A1 Method and arrangements for exposure control in the photomechanical transfer of originals (copies, masters) onto printing plates or films
03/15/1995EP0643534A1 Method for processing energy subtraction images
03/15/1995EP0643530A2 Picture compression apparatus, picture reproducing apparatus and picture drawing apparatus
03/15/1995EP0643529A2 Image processing method and apparatus therefor
03/15/1995EP0643528A2 Image processing apparatus capable of performing marker editing
03/15/1995EP0643527A1 Telephone equipment capable of connecting a terminal and a telephone line
03/15/1995EP0643526A1 Image recording apparatus and mode switching method in the apparatus
03/15/1995EP0643525A1 Facsimile apparatus and printing control method therefor
03/15/1995EP0643365A1 Device and method for emulating a personal computer printer from a facsimile printer
03/15/1995EP0642690A1 Multi-source video synchronization
03/15/1995EP0642423A1 A method and an apparatus for illuminating points on a medium.
03/15/1995EP0452454B1 Device for sending and receiving graphical documents via teletransmission lines
03/15/1995EP0448669B1 Beam position sensor for a light beam scanner
03/15/1995CN1100247A Facsimile apparatus
03/15/1995CA2129878A1 Telephone equipment designed to be connected to a telephone network line and provided with means for linking said line and a terminal
03/14/1995US5398297 Improved color rendering method for intensity-variable printing based upon a dithering table
03/14/1995US5398293 System for editing image data
03/14/1995US5398289 Process for programming and producing one or more signature prints in an electronic printing system
03/14/1995US5398283 Encryption device
03/14/1995US5398124 Image processor
03/14/1995US5398123 Image processing method and apparatus capable of automatic color masking
03/14/1995US5398121 Method and device for generating a digital lookup table for printing inks in image reproduction equipment
03/14/1995US5398120 Ordered dither image rendering with non-linear luminance distribution palette
03/14/1995US5398119 Photoelectric conversion device's shading correction circuit
03/14/1995US5398118 Automatical generation of a periodic pattern without occurrence of moire
03/14/1995US5398117 Image reading apparatus
03/14/1995US5398116 Image communication apparatus
03/14/1995US5398115 Facsimile communication for locating and transmitting information from a document to selective call receivers
03/14/1995US5398109 Apparatus and method for correcting color image data according to a masking equation
03/14/1995US5398101 Image forming apparatus capable of copying images on various copy items
03/14/1995US5398077 Method for adjusting the luminance of a color signal
03/14/1995US5398066 Method and apparatus for compression and decompression of digital color images
03/14/1995US5398061 Light source switching type color image scanner
03/14/1995US5398052 Image forming apparatus using overlapping light beams
03/14/1995US5398038 Method and apparatus for displaying color images
03/14/1995CA1334726C Apparatus for optically writing information
03/09/1995WO1995006984A1 Sub-band coder with differentially encoded scale factors
03/09/1995WO1995006910A1 Alteration of dither matrix size for full colour dithering
03/09/1995DE4431349A1 Adaptive filtering of digital image signals
03/09/1995DE4430560A1 Image input device
03/09/1995DE4430559A1 Image input device
03/09/1995DE4330258A1 Process and apparatus for producing colour images with at least two colours
03/09/1995DE4329663A1 Communication method and communication system for interactive communication between two communication stations provided with fax connection
03/09/1995DE4328216A1 System for digitising video images