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)
12/1995
12/05/1995US5473734 Method and apparatus for exposure calibration in recording devices
12/05/1995US5473733 Technique for generating image reproduction
12/05/1995US5473691 System and method for computer data transmission
12/05/1995US5473674 Data communication apparatus having an auto-dialing function
12/05/1995US5473446 Color digital halftoning using black and secondary color replacement and color vector dithering
12/05/1995US5473445 Image scanner and image scanning method
12/05/1995US5473444 Image processing device having function of detecting dotted-image area
12/05/1995US5473441 Video signal reproduction processing method and apparatus for reproduction of a recorded video signal as either a sharp still image or a clear moving image
12/05/1995US5473440 Color image forming apparatus with density control
12/05/1995US5473439 Model-based halftoning of color images
12/05/1995US5473415 Image forming apparatus having a converter for image data characteristics
12/05/1995US5473407 Sheet fixing device for a drum of a scanner
12/05/1995US5473383 Mechanism for controllably deinterlacing sequential lines of video data field based upon pixel signals associated with three successive interlaced video fields
12/05/1995US5473370 Electronic still-video camera, and playback apparatus thereof being capable of storing image data when the storage capacity of a memory card is exceeded
12/05/1995US5473360 In a raster output scanner
12/05/1995US5473359 Image forming apparatus
12/05/1995US5473355 Thermal printing method and thermal printer
12/05/1995US5473159 Process of making a three-dimensional planar object with a main face bearing in image in color
12/05/1995US5473153 Light intensity control circuit for an optical scanning unit
12/05/1995US5472182 Feeder mechanism for a portable image scanner
12/05/1995CA2042925C Power switching apparatus having improved power switching timing
12/01/1995CA2124749A1 Real time transformation between colour spaces
11/1995
11/30/1995WO1995032581A1 Seamless composite photography system
11/30/1995WO1995032580A1 Cmos imaging array with active pixels
11/30/1995WO1995027361A3 Method of operating an interactive image display system and image source device for implementing the method
11/30/1995DE4409790A1 Dynamic compression of multi-stage grey value images
11/30/1995CA2190615A1 Cmos imaging array with active pixels
11/29/1995EP0684736A2 Model-assisted coding of video sequences at low bit rates
11/29/1995EP0684729A2 Image-dependent color saturation correction in a natural scene pictorial image
11/29/1995EP0684728A1 Colour matching by systems calibration, linear and non-linear gamut mapping
11/29/1995EP0684727A1 Method and apparatus for remote programming of communication terminals
11/29/1995EP0684566A1 Create lossy compressed data during upload of lossless data
11/29/1995EP0684199A2 Double surface registration mechanism for a stack of sheets
11/29/1995EP0684140A2 Print media supply apparatus with media parameter detection capability
11/29/1995EP0683954A1 High quality matrix printing process and system using electrophotographic printing equipment
11/29/1995EP0493445B1 Improved method and apparatus for generating halftone images
11/29/1995EP0403625B1 Resequencing line store device
11/29/1995CN1112769A Pre-processing filter apparatus for use in an image encoding system
11/29/1995CN1112759A Dropped-from document image compression
11/29/1995CN1112758A Facsimile machine
11/28/1995US5471594 Data formatter for formatting variable length data words into fixed length data words
11/28/1995US5471562 Printer having a bit shift function
11/28/1995US5471543 Mixed screen frequencies with image segmentation
11/28/1995US5471533 Record with encoded data
11/28/1995US5471470 Computer-based multifunction personal communications system
11/28/1995US5471325 Storing coded color components of coded input image and coded image data received from a transmission line
11/28/1995US5471324 Color printer calibration with improved color mapping linearity
11/28/1995US5471321 Color image reading device
11/28/1995US5471320 Stack filters for 1-to-N bit image processing in electronic printers
11/28/1995US5471319 Image processing method and image processing apparatus
11/28/1995US5471317 Videotex facsimile machine
11/28/1995US5471315 Image information recording apparatus
11/28/1995US5471314 Line start synchronizer for raster scanner
11/28/1995US5471313 Method and control system architecture for controlling tone reproduction in a printing device
11/28/1995US5471282 Deposited toner quantity measuring method and image forming apparatus using the same
11/28/1995US5471281 Image reading apparatus and copying apparatus having means for radiating visible and non-visible light, image processing apparatus having means for discriminating a specific orginal and image processing method therefor
11/28/1995US5471277 Book document reading device having a page turning capability
11/28/1995US5471207 Compression of palettized images and binarization for bitwise coding of M-ary alphabets therefor
11/28/1995US5471048 Document imaging lamps with bent dark ends
11/28/1995CA2145914A1 Model-assisted coding of video sequences at low bit rates
11/28/1995CA2056850C Optical sensor
11/28/1995CA2043903C Facsimile device with which content transmitted and received can be easily known
11/28/1995CA2037858C Polygon scanner with predictable facet deformation characteristics
11/23/1995WO1995031869A1 Automated image quality control
11/23/1995WO1995031754A1 Improved imaging process for imaging materials
11/23/1995WO1995031332A1 Method and apparatus using multiple engraving heads
11/23/1995WO1995027362A3 Interlaced-to-sequential scan conversion
11/23/1995DE3745099C2 Aperture correction method for video signal
11/23/1995DE19514073A1 LED image recording device
11/23/1995CA2189982A1 Improved imaging process for imaging materials
11/23/1995CA2182514A1 Detection of mutation by resolvase cleavage
11/22/1995EP0683601A2 Image processing method and apparatus
11/22/1995EP0683600A2 Code conversion system
11/22/1995EP0683599A1 Image processing apparatus and method
11/22/1995EP0683598A2 Image forming apparatus
11/22/1995EP0683597A2 Communication control device and communication control method
11/22/1995EP0683596A2 Card type camera with image processing function
11/22/1995EP0683594A1 Data processing apparatus
11/22/1995EP0683568A1 Variable length code look-up table having separate code length determination
11/22/1995EP0683449A2 Information processing apparatus with image reading unit
11/22/1995EP0682840A1 A method and device at an equipment for telemessages
11/22/1995EP0682839A1 Method and apparatus for transmitting and receiving encoded data
11/22/1995EP0682838A1 Imaging system with automatic hardcopy compensation
11/22/1995EP0682837A1 System and method for varying the transmission rate of facsimile data in a telecommunication system
11/22/1995CN1112337A Television apparatus with built-in optical disk device
11/22/1995CN1112336A Image signal decoding apparatus having an encoding error compensation
11/22/1995CN1112335A Video signal decoding apparatus capable of reducing blocking effects
11/22/1995CN1112325A Facsimile apparatus
11/22/1995CN1112258A LCD facsimile transmission
11/22/1995CN1030363C Minimization of facsimile data loss during cellular handoff
11/21/1995US5469536 In a computer system
11/21/1995US5469516 Method for generating and storing digitized density thresholds for rastering a half tone original image
11/21/1995US5469515 Halftone image formation using dither matrix generated based upon printed symbol models
11/21/1995US5469276 Method and apparatus for reducing artifacts in halftone images using gray balance correction
11/21/1995US5469274 Image processing apparatus for combining differently corrected images
11/21/1995US5469268 Display model-based error criterion halftoning
11/21/1995US5469267 Halftone correction system
11/21/1995US5469266 Color image processing apparatus which uses different screen angles for different color components
11/21/1995US5469205 Image scanning apparatus
11/21/1995US5469203 Parasitic resistance compensation for a thermal print head
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