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)
10/1997
10/21/1997US5680222 Method and apparatus for preparing color screens in a halftone image
10/21/1997US5680221 Digital copying apparatus capable of efficiently restarting a copy operation after a paper jam
10/21/1997US5680204 Dual scanning electronic reprographic document handler
10/21/1997US5680203 Image processor having a document conveyor with document suppressing rollers and a document suppressing plate, providing a uniform space for document passage
10/21/1997US5680198 Copying machine
10/21/1997US5680174 Predictive coding apparatus
10/21/1997US5680171 Method and apparatus for producing composite images and 3D pictures
10/21/1997US5680169 Apparatus for pressing thermosensitive recording head of facsimile machine
10/21/1997US5680167 Printing apparatus and method for tri-level color imaging
10/21/1997US5680166 Recording apparatus having paper ejection tray
10/21/1997US5680150 Image processing method and apparatus
10/21/1997US5680129 System and method for lossless image compression
10/21/1997US5680126 Modular portable computer
10/21/1997CA2078748C Screen generation for halftone screening of images using scan line segments of oversized scan lines
10/16/1997WO1997038533A1 System and method for a multiresolution transform of digital image information
10/16/1997WO1997038531A1 In-camera image marking and authentication
10/16/1997WO1997038523A1 Facsimile equipment and method for informing result of communication
10/16/1997WO1997038510A1 Facsimile communication method and facsimile
10/16/1997WO1997037854A1 Ink jet printer and head unit of the same
10/16/1997WO1997032402A3 Method and arrangement for coding and decoding signals
10/16/1997DE19611409A1 Image data modification method for printer
10/16/1997CA2250973A1 System and method for a multiresolution transform of digital image information
10/16/1997CA2202582A1 Method for producing copies from photographic originals
10/15/1997EP0801493A2 Communication apparatus
10/15/1997EP0801492A1 Electronic mail system
10/15/1997EP0801362A2 Method and apparatus for converting image representation format
10/15/1997EP0801359A1 Automatic picture size magnification/reduction circuit
10/15/1997EP0801323A1 Improvements in mounting of film transparencies
10/15/1997EP0800742A1 Smart phone integration with computer systems
10/15/1997EP0587783B1 Adaptive block size image compression system
10/15/1997EP0583391B1 Apparatus for operating a conventional film camera in an electronic mode operation
10/15/1997CN1162233A Method for mfg. greyscale masterplate
10/15/1997CN1162232A Method for mixing document and picture transmitted or duplicated by facimile apparatus
10/15/1997CN1162231A Facsimile apparatus
10/15/1997CN1162130A Central line aliasing-removing method for digital printing
10/15/1997CN1162076A Driving mechanism
10/14/1997US5678155 Anti-counterfeiting device for use in an image-processing apparatus
10/14/1997US5678128 Image forming apparatus having a plurality of image forming stations
10/14/1997US5678102 Dual purpose camera
10/14/1997US5678033 Multi-stage interpolation processor
10/14/1997US5677970 Optical scanning device and image forming apparatus using the same
10/14/1997US5677787 Automatic imaging of documents
10/14/1997US5677777 Apparatus for scanning an original sheet by means of reflective light and transmitted light
10/14/1997US5677776 Image reader for processing an image of a document
10/14/1997US5677775 Image forming apparatus provided with a device for controlling communication with a central supervisory apparatus
10/14/1997US5677774 Image processing apparatus for inputting and processing plural types of image signals
10/14/1997US5677773 Facsimile apparatus having file transfer means
10/14/1997US5677772 Image processing apparatus and operation guidance method
10/14/1997US5677771 Digital copier that approximates contours of a document image as straight lines or curves
10/14/1997US5677770 Image forming apparatus for printing additional data such as image forming condition data along with the image
10/14/1997US5677741 Image processing apparatus and method capable of adjusting hues of video signals in conversion to display signals
10/14/1997US5677736 Data processor
10/14/1997US5677726 Image reading apparatus
10/14/1997US5677725 Image forming apparatus and method performing a halftone image by pulse-width modulation
10/14/1997US5677724 For printing image information by scanning of a laser beam
10/14/1997US5677689 Fixed rate JPEG compliant still image compression
10/14/1997US5677527 Compensation method and apparatus for image signals generated by CCD
10/14/1997US5677093 Size modulated stochastic screening
10/14/1997CA2064721C Image correction circuit
10/09/1997WO1997037496A1 Image receiver, image reception method, image transmitter, image transmission method, image transmitter/receiver and image transmission/reception method
10/09/1997WO1997037488A1 Facsimile communication system capable of maintaining secrecy
10/09/1997WO1997037322A1 Apparatus and method for optimizing encoding and performing automated steerable image compression using a perceptual metric
10/09/1997WO1997037281A1 System and method for color space conversion
10/09/1997CA2221184A1 Picture receiving apparatus, picture receiving method, picture sending apparatus, picture sending method, picture sending/receiving apparatus, and picture sending/receiving method
10/08/1997EP0800323A2 Method for fax-transmission in digital networks
10/08/1997EP0800310A2 Image processing method and apparatus
10/08/1997EP0800309A2 Method of generating colour proof data and method of generating colour proof
10/08/1997EP0800308A2 Solid state color imaging device
10/08/1997EP0800307A2 Method and device for achieving high contrast surface illumination
10/08/1997EP0800306A2 Illumination for scanners
10/08/1997EP0800150A2 Image process apparatus and method
10/08/1997EP0800123A2 Image recognition method and device and copier and scanner employing same
10/08/1997EP0800114A2 Image forming method and system
10/08/1997EP0800112A2 Scanning of images
10/08/1997EP0799545A1 Remote interactive projector with image enhancement
10/08/1997EP0799453A1 Image processing circuit and method
10/08/1997EP0516789B1 Internegative digital hard copy color reproductions
10/08/1997CN1161479A Image-forming system
10/08/1997CN1161478A Image-forming apparatus
10/07/1997USH1684 Fast preview processing for JPEG compressed images
10/07/1997US5675719 Method and apparatus for parallel processing of a document image
10/07/1997US5675717 Image processing apparatus and method for previewing a color image generated by a color printer and displayed at a host computer
10/07/1997US5675716 Method and apparatus for vivid color correction in binary printing devices
10/07/1997US5675670 Optical processor using an original display having pixels with an aperture ratio less than that for pixels in an operation pattern display
10/07/1997US5675667 Picture compression apparatus, picture reproducing apparatus and picture drawing apparatus
10/07/1997US5675666 Image data compression method and apparatus with pre-processing to compensate for the blocky effect
10/07/1997US5675664 Image processing device
10/07/1997US5675507 Message storage and delivery system
10/07/1997US5675431 Raster output scanner having externally mounted mirrors
10/07/1997US5675425 Color image reading device having an optical element for creating double images
10/07/1997US5675422 Facsimile apparatus
10/07/1997US5675421 Facsimile machine with a mailbox function and remote operation mode
10/07/1997US5675420 Intaglio engraving method and apparatus
10/07/1997US5675400 Method of reproducing a portion of a photograph
10/07/1997US5675385 Transform coding apparatus with evaluation of quantization under inverse transformation
10/07/1997US5675382 Spatial compression and decompression for video
10/07/1997US5675368 Liquid-crystal based, single-pass color printer
10/07/1997US5675358 Digital image capture control
10/07/1997US5675357 Image display/input apparatus
10/07/1997US5675158 Linear solid state imaging device with trapizoid type photodiodes
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