Patents
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
12/1998
12/01/1998US5844233 Color image reading apparatus having dichroic mirror and blazed diffraction grating
12/01/1998US5844226 Film scanner
12/01/1998US5843564 Copy restrictive documents
12/01/1998US5842397 Punching apparatus and punching method for cylindrical inner surface scanner
12/01/1998CA2161474C Method and apparatus for processing facsimile transmissions
11/1998
11/30/1998CA2236910A1 Adjusting color in digital images
11/30/1998CA2231972A1 Flat bed raster drawing machine
11/26/1998WO1998053605A2 Method and apparatus for performing image enhancement
11/26/1998WO1998053603A2 Method and apparatus for enabling a facsimile machine to be an e-mail client
11/26/1998WO1998053565A1 Apparatus and method for embedding and extracting information in analog signals using distributed signal features
11/26/1998WO1998053501A2 Image sensor and its manufacture
11/26/1998DE19819405A1 Data compression system for wavelet transform
11/26/1998CA2288213A1 Apparatus and method for embedding and extracting information in analog signals using distributed signal features
11/25/1998EP0880275A2 Digital image processor
11/25/1998EP0880274A2 Image forming apparatus and method for laser calibration
11/25/1998EP0880273A2 Facsimile apparatus
11/25/1998EP0880272A2 Method of recognizing printing region
11/25/1998EP0880271A2 Facsimile communication system
11/25/1998EP0880270A2 Digital copying method
11/25/1998EP0880269A2 A facsmile device
11/25/1998EP0880268A2 Communications terminal device with electronic mail function
11/25/1998EP0880267A2 Reflection type image reader having an original positioning sheet
11/25/1998EP0880266A2 Communications terminal device having electronic mail function
11/25/1998EP0880262A1 Electronic devices and programming methods therefor
11/25/1998EP0880134A2 Information adding/extracting method, information adding/extracting system, information signal processor and information signal recording medium
11/25/1998EP0880100A2 Cache-based data compression/decompression
11/25/1998EP0879535A1 Method of marking binary-coded data sets
11/25/1998EP0879529A1 An arrangement for effectively handling transmitted and printed messages
11/25/1998EP0846298A4 Electronic document and data storage and retrieval system
11/25/1998EP0648404B1 Modular notebook computer
11/25/1998EP0572638B1 Method and apparatus for encoding of data using both vector quantization and runlength encoding and using adaptive runglength encoding
11/25/1998CN1199981A Method and apparatus for judging contamination of scanner
11/25/1998CN1199980A Pre-scanning method for shuttle scanning system
11/25/1998CN1199979A Image processing system capable of eliminating automatically ripple figure in image
11/25/1998CN1199908A Image output control apparatus
11/24/1998US5842088 Method of calibrating a spatial light modulator printing system
11/24/1998US5842050 Electronic still video camera having electro-developing recording medium
11/24/1998US5842049 Electronic still video camera having electro-developing recording medium, and image reader incorporated therein to electronically read image signals from developed image of such medium
11/24/1998US5841978 Network linking method using steganographically embedded data objects
11/24/1998US5841956 Anti-aliasing for digital printing with dot shape modulation and greyscale
11/24/1998US5841952 Parallel segment printing in a photographic process printer
11/24/1998US5841951 Method of rendering a source image
11/24/1998US5841936 Picture data recording/reproducing apparatus for providing divisional picture management without boundary distortion
11/24/1998US5841909 Method of generating an orthogonal basis function set in an image processing system
11/24/1998US5841904 Image processing method and apparatus
11/24/1998US5841899 Specific color field recognition apparatus and method
11/24/1998US5841898 Utilization of scanned images in an image compositing system
11/24/1998US5841897 Method for the tonal control or adjustment of reproduced color image and picture producing system making use of said method
11/24/1998US5841896 Method and apparatus for displaying the hue of a signal by utilizing an indicator strip having a number of characters or symbols representing respective hues
11/24/1998US5841886 Security system for photographic identification
11/24/1998US5841885 Print and method and apparatus for printing, storing and retrieving an image record
11/24/1998US5841844 Method for automatically confirming line connection upon installation of a facsimile system
11/24/1998US5841843 Facsimile forwarding method and system using a simulated telephone line interface
11/24/1998US5841793 Optical reproduction system having function of rationally changing error data chunk and reproducing multimedia information as code data
11/24/1998US5841567 Method and apparatus for imaging at a plurality of wavelengths
11/24/1998US5841554 Image pickup apparatus
11/24/1998US5841553 Compact document scanner or printer engine
11/24/1998US5841551 Data processor
11/24/1998US5841550 Method and system for specifcation of time dependent acknowledgement transmission media
11/24/1998US5841549 Method and apparatus for forming single-color and multi-color images
11/24/1998US5841548 Printing apparatus for reproducing copy sets containing variable pages and a sorting means for separating the different copy sets
11/24/1998US5841547 Digital image forming apparatus providing plural bookbinding modes
11/24/1998US5841471 Timing control for a digitally interfaced camera using variable line readout intervals
11/24/1998US5841459 Color-to-color registration in thermal printers by adjusting image resolution based on image content
11/24/1998US5841458 Halftoning method for multi-color laser printer
11/24/1998US5841452 Method of fabricating bubblejet print devices using semiconductor fabrication techniques
11/24/1998US5841381 Huffman coding/decoding using an intermediate code number
11/24/1998US5841380 Variable length decoder and method for decoding two codes per clock cycle
11/24/1998US5841128 Optical sensor for reading a pattern
11/24/1998US5840470 Rapid image presentation method employing silver bromide tabular grain photographic elements
11/24/1998US5839905 Remote control for indicating specific information to be displayed by a host device
11/24/1998US5839836 Printing apparatus for medicine bag
11/24/1998CA2094991C Image coding/decoding apparatus
11/24/1998CA2068342C Image database incorporated low resolution index image data
11/23/1998CA2233822A1 Electronic devices and programming methods therefor
11/22/1998CA2237975A1 Information adding/extracting method, information adding/extracting system, information signal processor and information signal recording medium
11/19/1998WO1998052353A1 Photo-booth and photographic method
11/19/1998WO1998052347A1 Arrangement for efficient characterization of printing devices and method therefor
11/19/1998WO1998052346A1 Lossless image compression with tree coding
11/19/1998WO1998052345A1 Method for transferring data and use thereof
11/19/1998WO1998052299A1 A method of and apparatus for detecting and preventing message collisions in a communication system
11/19/1998WO1998052086A1 Wavelength-selective opto-mechanical scanner and its applications
11/19/1998WO1998052070A1 Method and device for reading and processing a radiation image
11/19/1998WO1998051517A1 Method for manufacturing articles from a model and device for realising the same
11/19/1998WO1998034397A3 Four color trilinear ccd scanning
11/19/1998DE19821219A1 High-speed laser printer
11/19/1998DE19820674A1 Beam scanning apparatus
11/19/1998DE19816472A1 Image generation apparatus for electronic copy machine
11/19/1998DE19719954A1 Verfahren und Anordnung zum Auslesen und Verarbeiten eines Strahlungsbildes Method and arrangement for reading and processing a radiation image
11/19/1998DE19719383A1 Verfahren und Vorrichtung zur Codierung und Decodierung eines digitalisierten Bildes Method and apparatus for encoding and decoding a digitized image
11/18/1998EP0878960A2 Laser exposure unit
11/18/1998EP0878959A2 Image processing apparatus
11/18/1998EP0878958A2 Method and device for image density correction for a CCD sonsor
11/18/1998EP0878957A2 Image processing apparatus
11/18/1998EP0878956A1 Method of and system for editing images
11/18/1998EP0878955A2 Apparatus for moving a radiation beam across a medium
11/18/1998EP0878954A2 Signal processing apparatus
11/18/1998EP0878953A1 Programmable image processing system
11/18/1998EP0878952A1 Image processing system
11/18/1998EP0878951A1 Personal computer based image processing system for controlling image processing through a user interface of a scanner