Patents
Sitemap › H04 - Electric communication technique › H04N - Pictorial communication, e.g. television › H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802)
10/1993
10/19/1993US5255084 Image processing apparatus for determining rates of OCR for every colors by functions of respective color signals
10/19/1993US5255083 Digital color correction system and method
10/19/1993US5255061 Image forming apparatus with a first and second lid
10/19/1993US5255054 Method and apparatus for converting a conventional copier into an electronic printer
10/19/1993US5255014 Image forming apparatus having a high γ photoreceptor
10/19/1993US5255013 Non-impact printing
10/19/1993US5254849 Image reading apparatus having light shielding element disposed between light emitting elements
10/19/1993US5254847 Contact-type image sensor assembly having supporting structure for maintaining predetermined distance between the lens and the original and the sensor
10/19/1993US5254423 Electrophotographic photosensitive member, and electrophotographic apparatus, device unit and facsimile machine having the photosensitive member
10/19/1993US5253936 Data communication apparatus and data communication method
10/19/1993CA1323424C Laser scanner with rotating mirror and housing
10/19/1993CA1323245C Dual mode ink jet printer
10/14/1993WO1993020654A1 Transmission of teletext pages to selected receivers
10/14/1993WO1993020650A1 Layered video coder
10/14/1993WO1993020648A1 Color correction with a four-dimensional look-up table
10/14/1993WO1993020647A1 Data communication device___________________________________
10/14/1993WO1993020641A1 Improved data transmission public switched telephone network
10/14/1993WO1993020536A1 Cordless electronic stylus and electronic ink-well
10/14/1993WO1993015584A3 Facsimile arrangement
10/14/1993DE4311982A1 Opto electronic camera for high resolution images - has hole mask and transmission through micro channel block to optical screen and X=Y addressable receiver.
10/14/1993DE4311172A1 Correcting inclination of master image contg. some rectangular parts using image segmentation - involves identifying inclination angle from image rectangle set, constructing inclined triangle, rotating angle of inclination
10/14/1993DE4310347A1 Producing zigzag addresses for discrete cosine transformation in image data band compression - involves forming address for a stage from previous stage address using stored line and column differentials
10/14/1993DE4211128A1 Transfer of image information of image original on to photo sensitive material - using light source transmitting light in direction of material and copy original which has transmission different from zero also objective
10/14/1993CA2129841A1 Color correction with a four-dimensional look-up table
10/13/1993EP0565335A1 Method and apparatus for reducing image distortion in an asynchronous input scanner
10/13/1993EP0565295A2 Rotating colour filter for a colour image display
10/13/1993EP0565283A1 Apparatus and method for tone and color reproduction control
10/13/1993EP0565281A2 Information handling system incorporated with an information security measure
10/13/1993EP0564877A1 Method and apparatus for halftone reproduction of continuous tone radiographic images
10/13/1993EP0564871A1 Image forming apparatus
10/13/1993EP0564868A2 Image forming apparatus
10/13/1993EP0564745A2 Color image processing apparatus and system and image processing apparatus
10/13/1993EP0564730A1 Image-reading device with plastic lens array
10/13/1993EP0564711A2 Image forming apparatus having functional redundancy system
10/13/1993CN1077293A Thermal head and electronic apparatus with the same
10/12/1993US5253337 Method and apparatus for searching image information
10/12/1993US5253179 Compensation for line frequency variation
10/12/1993US5253098 Optical scanner
10/12/1993US5253085 Variable scanning speed optical scanning device
10/12/1993US5253084 General kernel function for electronic halftone generation
10/12/1993US5253083 Image reading apparatus having improved shading correction
10/12/1993US5253082 Image forming apparatus
10/12/1993US5253081 Image recording device
10/12/1993US5253080 Picture signal binarization apparatus avoiding a need for memory devices or shift registers for storing binary picture signals before output
10/12/1993US5253079 Compressed image data
10/12/1993US5253077 Method of controlling digital copying machine
10/12/1993US5253069 Photographic slide-to-video tape converter
10/12/1993US5253055 Efficient frequency scalable video encoding with coefficient selection
10/12/1993US5253048 Color image processing apparatus
10/12/1993US5252996 Electrophotographic recording apparatus and method capable of recording both characters and solid black picture images
10/12/1993US5252995 Color boundary enhancement in a multi-color electrostatic printer
10/12/1993US5252991 Media edge sensor utilizing a laser beam scanner
10/12/1993US5252986 Image processing method for superposing plural dots on a recording medium at a predetermined interval and apparatus utilizing same
10/12/1993US5252818 Method and apparatus for improved scanner accuracy using a linear sensor array
10/12/1993CA1323097C Photofinishing process with film-to-video printer using dedicated magnetic tracks on film
10/12/1993CA1323095C Photosensor
10/12/1993CA1323094C Video telecommunication system and method for compressing and decompressing digital color video data
10/12/1993CA1322891C Method and system for enhancing the quality of both color and black and white images produced by ink jet printers
10/07/1993WO1994009590A1 Duplicating apparatus having unit for recognizing special original
10/07/1993DE4305693A1 Colour value calibration - uses conversion table for scanned values to be corrected into valves for colour separation appts. for printing plates
10/06/1993EP0564252A2 Ink jet recording method and apparatus
10/06/1993EP0564227A1 Image encoding apparatus and method
10/06/1993EP0564226A1 Image processing apparatus
10/06/1993EP0564201A2 Image processing apparatus, method and system
10/06/1993EP0564198A1 Method and apparatus for registration of sequential images in a single pass, multi-led printbar printer
10/06/1993EP0564178A1 Scanning confocal microscope
10/06/1993EP0564125A2 Scanner calibration method
10/06/1993EP0564111A2 Improvements in the decoding of run length code data for storage in a bit map memory
10/06/1993EP0564091A2 Image processing apparatus
10/06/1993EP0563997A1 Memory card apparatus
10/06/1993EP0563884A2 An image forming apparatus having a filing section and a printing section
10/06/1993EP0563594A1 Video conference device
10/06/1993EP0563438A1 Portable image input equipment
10/06/1993EP0563088A1 Facsimile paging system
10/06/1993EP0363418B1 Adaptive block transform image coding method and apparatus
10/06/1993CN1077046A Optical device and apparatus for scanning an information plane, comprising such an optical device
10/05/1993US5251297 Picture image processing system for entering batches of original documents to provide corresponding picture image datafiles
10/05/1993US5251272 Image signal processing method and apparatus with correction for a secondary light source effect
10/05/1993US5251271 Method for automatic registration of digitized multi-plane images
10/05/1993US5251267 Image recording apparatus for processing image data based on characteristics of image data
10/05/1993US5251072 Image reader
10/05/1993US5251058 Multiple beam exposure control
10/05/1993US5251057 Multiple beam optical modulation system
10/05/1993US5251055 Optical scanning apparatus
10/05/1993US5251047 Apparatus including a circuit for processing an analog image signal supplied from an array sensor
10/05/1993US5251046 Hierarchy encoding system of multi-level image through dither conversion
10/05/1993US5251045 Magnification changing system for a copier
10/05/1993US5251044 Facsimile apparatus for accounting for supplies used in receiving facsimile transmissions
10/05/1993US5251043 Facsimile apparatus comprising means for continuously transmitting plural groups of image data to the same receiver party
10/05/1993US5251040 Image communication apparatus having ink jet recorder with timer for controlling reception of successive pages of image data
10/05/1993US5251036 High-definition still picture cameras having a solid-state imaging device with photoelectric conversion elements divided into four fields
10/05/1993US5251024 Image reader using CCD line sensors
10/05/1993US5251023 Image processing method including means for judging a chromatic portion of an image
10/05/1993US5251022 Method of and apparatus for producing overlapping image area
10/05/1993US5251021 Color sequential scanner incorporating a synchronized variable exposure shutter
10/05/1993US5251020 Color image communication apparatus capable of transmitting or receiving a color expression form
10/05/1993US5250981 Copier or scanner platen cover documents retainer
10/05/1993US5250960 System and method employing multiple pulses per pixel to reproduce an image
10/05/1993US5250959 Electrophotographic image forming apparatus and method
10/05/1993US5250934 Correcting half-bit errors
1 ... 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 ... 1429