Patents
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
12/1997
12/23/1997CA2036100C Gradation correcting apparatus
12/18/1997WO1997048225A1 Calibration method and system for imaging devices
12/18/1997WO1997048196A1 Low power microcellular wireless drop interactive network
12/18/1997WO1997048084A1 Security tagging of digital media
12/18/1997WO1997048077A1 Lossless line compression
12/18/1997WO1997036419A3 Method and arrangement for encoding and decoding images
12/18/1997DE19623602A1 FM photographic master generation method e.g. for newspaper
12/18/1997CA2258005A1 Lossless line compression
12/18/1997CA2207840A1 Method for creating complex layouts with variable data for high speed printing systems
12/17/1997EP0813339A2 Solid-state image pickup device
12/17/1997EP0813337A2 Scanning of images
12/17/1997EP0813336A2 Image processing method and apparatus
12/17/1997EP0813335A2 Method of generating gradation-corrected image data, image output apparatus, and method of calculating amount of exposure
12/17/1997EP0813334A2 A method for specifying an area of full resolution image detail for viewing during scanning
12/17/1997EP0813102A1 Monitoring of magnetically recorded data on film in photofinishing and film scanning equipment
12/17/1997EP0812694A1 Printer apparatus and printer head
12/17/1997EP0812509A1 Dual compression format digital video production system
12/17/1997EP0812505A2 Image scanning device and method
12/17/1997EP0812445A1 Device for increasing print quality in high-speed printing and copying machines
12/17/1997EP0812269A1 Method and apparatus for aligning a cylinder in an engraver
12/17/1997EP0812265A1 Engraving method and apparatus using midtone correction
12/17/1997EP0812264A1 Method and apparatus for generating engraving signals
12/17/1997EP0450032B1 Electronic image lift
12/17/1997CN2271078Y Single power supply contact type imaging sensor
12/17/1997CN1168211A Facsimile transmission in mobile communication system
12/17/1997CN1168210A Picture inputting device
12/17/1997CN1168058A Method and device for selection of transformation ratio in transformation coding system
12/17/1997CN1168044A Solid-state image pickup device
12/17/1997CN1168042A Communication method and communication terminal apparatus
12/16/1997US5699491 Printer driver having gamut-mapped colors
12/16/1997US5699490 Method of and apparatus for generating correction table for image processing using the least square method
12/16/1997US5699489 Color processing arrangements with device independent color space conversion
12/16/1997US5699459 Image compression device and a method of image compression
12/16/1997US5699457 Image compression coder having improved bit rate control and block allocation
12/16/1997US5699454 Image processing apparatus
12/16/1997US5699451 Correction of color defects during printing of photographs
12/16/1997US5699427 Method to deter document and intellectual property piracy through individualization
12/16/1997US5699414 Method and apparatus for sharing a single telephone line between a facsimile machine, data modem, telephone answering device, and a person
12/16/1997US5699366 Data communication apparatus having an error correction mode
12/16/1997US5699180 Laser scanner with curved anamorphic mirror
12/16/1997US5699174 Apparatus and technique for generating a screen reproduction of an image
12/16/1997US5699173 Portable electronic still camera recording optical images of subjects in a memory which facilitates memory access from an external request
12/16/1997US5699172 Image forming apparatus and method having a toner and ink saving feature
12/16/1997US5699171 Facsimile machine having a plurality of own-call-numbers
12/16/1997US5699170 Image communication system including receiver image data selection capability
12/16/1997US5699169 Image forming apparatus wherein data is converted between multi-level data and bi-level data
12/16/1997US5699168 Grayscale printing with sliding window memory
12/16/1997US5699167 Image forming apparatus which outputs a color image by separating color image information into at least two color components
12/16/1997US5699166 Copying machine for reproducing an image on a continuous web of labels
12/16/1997US5699165 Paper end detection apparatus for image reading apparatus and image reading apparatus with paper leading end and trailing end detection apparatus
12/16/1997US5699144 Image forming apparatus
12/16/1997US5699122 Method and apparatus for encoding a video signal by using a modified block truncation coding method
12/16/1997US5699119 Quantization method and circuit therefor
12/16/1997US5699109 Film image input method and system thereof
12/16/1997US5699102 Non-impact copier/printer system communicating rosterized, printer independant data
12/16/1997US5699099 Electronic prepress system including thermal imaging apparatus with multiple color separation modes
12/16/1997US5699091 Replaceable part with integral memory for usage, calibration and other data
12/16/1997US5699086 Method and apparatus for controlling image display
12/16/1997US5699079 Restoration filter for truncated pixels
12/16/1997US5698379 Rapid image presentation method employing silver chloride tabular grain photographic elements
12/16/1997US5697885 For recording a video signal to be retrievable
12/16/1997US5697717 Method and apparatus for controlling supply of electric power to an indicator for indicating a state of the apparatus
12/16/1997US5697712 Image processing method and apparatus
12/16/1997US5697696 Original illuminating apparatus
12/16/1997CA2072629C User-interactive reduction of scene balance failures
12/11/1997WO1997047139A2 Method and device for decoding coded digital video signals
12/11/1997WO1997047129A1 Device for optical scanning of forms, documents or the like
12/11/1997WO1997047107A1 Method and apparatus for interfacing fax machines to digital communication networks
12/11/1997WO1997034409A3 A system for distributing and controlling color reproduction at multiple sites
12/11/1997WO1997023087A3 A technique for sending faxes over cellular communications channels
12/11/1997WO1997023086A3 The use of compression to improve the sending of faxes over analog cellular
12/10/1997EP0812116A2 Color picture quality compensation circuit and related control method thereof
12/10/1997EP0812104A2 Image processing apparatus and method
12/10/1997EP0812103A2 Method and system for reducing grey levels of a pixel
12/10/1997EP0812102A2 Method for halftoning a multi-channel digital color image
12/10/1997EP0812101A2 Light beam scanning apparatus for use with image forming apparatus
12/10/1997EP0812100A2 Communication method and communication terminal apparatus
12/10/1997EP0812099A2 Method for sending documents through electronic-mail and system thereof
12/10/1997EP0812095A2 Communication terminal apparatus and mobile telephone battery for supplying power thereto
12/10/1997EP0811948A2 Method and system for determining colorant amounts
12/10/1997EP0811882A1 Laser pattern generation apparatus
12/10/1997CN1167556A Palm printer
12/10/1997CN1167408A Color image quality compensation circuit and control method
12/10/1997CN1167404A Video frequency display system with built-in illuminator
12/10/1997CN1167398A Control system and demountable grounding assembly
12/10/1997CN1167395A Paper delivery controller for facsimile apparatus
12/10/1997CN1167394A Self-enclosure type facsimile printer
12/10/1997CN1167278A Light beam scanner for imaging device
12/09/1997US5697012 Method and apparatus for color image formation with gradation control capability
12/09/1997US5697009 Device for forming electrostatic latent images on a photoconductor
12/09/1997US5697001 Camera for generating and recording object data with the recorded image
12/09/1997US5696995 Automatic photography booth
12/09/1997US5696941 Device for converting data using look-up tables
12/09/1997US5696893 System for generically describing and scheduling operation of modular printing machine
12/09/1997US5696889 Method of and apparatus for generating tone reproduction curve for converting color signals
12/09/1997US5696853 Image processing system having variably controllable pixel density patterns
12/09/1997US5696848 System for creating a high resolution image from a sequence of lower resolution motion images
12/09/1997US5696846 Method of and apparatus for binarizing image signals
12/09/1997US5696845 Method for design and implementation of an image resolution enhancement system that employs statistically generated look-up tables
12/09/1997US5696843 Automatic image quality controlling apparatus for use in an electronic copier