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)
10/1999
10/07/1999DE3348475C2 Bidlverarbeitungsgerät Bidlverarbeitungsgerät
10/07/1999DE19914405A1 Optical document scanner e.g. for converting color images and text into digital signals
10/07/1999DE19829776C1 Scanner head for optically scanning master documents line by line e.g. for fax machines and copiers
10/07/1999DE19816356A1 Verfahren zum Einbringen manipulationssicherer digitaler Fingerabdrücke in elektronische Dokumente A method for introducing tamper-proof digital fingerprints into electronic documents
10/07/1999DE19815165A1 Verfahren zur Gravur von Druckformen Method for engraving printing forms
10/07/1999DE19814450A1 Steuervorrichtung, Steuerverfahren und Telekommunikationssystem zum Steuern des Aufbaus von Anrufen zwischen Teilnehmerstationen Control device, control method and telecommunications system for controlling the build-up of calls between subscriber stations
10/07/1999CA2324620A1 A method of relaying digital video and audio data via a communication media
10/06/1999EP0948212A2 Method and apparatus for encoding orthogonal transform coefficients
10/06/1999EP0948196A2 Image input device
10/06/1999EP0948194A2 Device-independent and medium-independent color matching between an input device and an output device
10/06/1999EP0948193A2 Method for insertion of digital manipulation-proof fingerprints in electronic documents
10/06/1999EP0948192A2 Image recording apparatus
10/06/1999EP0948191A2 Scanner illumination
10/06/1999EP0948190A2 Facsimile signal transmission system
10/06/1999EP0948189A2 Information transmission device
10/06/1999EP0948188A2 Printing apparatus and head driving method
10/06/1999EP0948187A2 Recording medium discharge apparatus and image forming apparatus equipped with recording medium discharge apparatus
10/06/1999EP0948056A2 Solid state image pickup device and manufacturing method therefor
10/06/1999EP0947956A2 Primary and secondary color manipulations using hue, saturation, luminance and area isolation
10/06/1999EP0947954A1 Image transformations in the compressed domain
10/06/1999EP0947953A2 Watermarks for detecting tampering in images
10/06/1999EP0947950A2 Method and apparatus for interleaving raster scan lines in a multi-beam laser imaging device
10/06/1999EP0947947A2 Robust method for finding registration marker positions
10/06/1999EP0947342A2 Image recording apparatus
10/06/1999EP0947331A1 Method for forming a black image in which black ink is overlaid on color ink
10/06/1999EP0947330A1 Apparatus for forming a black image in which black ink is overlaid on color ink
10/06/1999EP0947101A1 Improved estimator for recovering high frequency components from compressed image data
10/06/1999EP0946928A1 System and method for image processing
10/06/1999EP0946927A1 Method and system for identifying the source of documents generated by software
10/06/1999EP0946924A1 Error-tolerant image computer terminal
10/06/1999EP0946919A1 Real-time remote inspection of high-resolution images
10/06/1999EP0946899A1 System for the transfer of digitized images to an image support or vice-versa
10/06/1999EP0870212A4 Compact document scanner or printer engine
10/06/1999EP0759246B1 Apparatus and method for enhancing printing quality by reducing artifacts
10/06/1999EP0605717B1 Automatically initiated scanning system
10/06/1999CN1231098A Method and apparatus for reducing noise in electronic film development
10/06/1999CN1230855A Method and apparatus for encoding motion vector of binary shape signal
10/06/1999CN1230844A Image processing method and apparatus
10/06/1999CN1230843A Exposure controller and control method
10/06/1999CN1230842A Outside data editor for fax printer
10/06/1999CN1230823A Method for fractal coding of video of audio signals
10/06/1999CN1230705A Image sensor
10/05/1999US5963762 Electrophotographic apparatus performing image exposure and development simultaneously
10/05/1999US5963756 Color correction in a color image formation apparatus
10/05/1999US5963751 Image reader and electro-developing type still video camera having such image reader incorporated therein
10/05/1999US5963716 Bi-directional data stream decompression
10/05/1999US5963715 Color stochastic screening with optimal color dot placement for display devices having arbitrary aspect ratios
10/05/1999US5963714 For operating an image-presenting mechanism
10/05/1999US5963655 System for storing and outputting figure data
10/05/1999US5963654 Apparatus and method for monitoring performance of an image capture device
10/05/1999US5963623 Method of storing telephone numbers scanned from facsimile document in telephone directory of a facsimile system
10/05/1999US5963355 Optical scanning system with single element refractive/reflective Fθlθ lens
10/05/1999US5963343 Scanner
10/05/1999US5963342 Image processing apparatus and method thereof
10/05/1999US5963341 Device for changing resolution of facsimile
10/05/1999US5963340 Method of automatically and selectively storing facsimile documents in memory
10/05/1999US5963339 Facsimile apparatus capable of editing and transmitting input information
10/05/1999US5963338 Method and apparatus for calibrating multi-element sensors
10/05/1999US5963337 Image processing system having memory allocation capabilities
10/05/1999US5963271 Image processing apparatus and method with aperture correction
10/05/1999US5963244 Optimal reconstruction of tone reproduction curve
10/05/1999US5963221 Device for writing and reading of size reduced video on a video screen by fixing read and write of alternating field memories during resize operation
10/05/1999US5963214 Method of combining two digital images
10/05/1999US5963201 Color processing system
10/05/1999US5963004 Stepper motor controller used in a document reading device
10/05/1999US5962848 Type of scanning device with upgraded resolution
10/05/1999US5962846 Redundant linear detection arrays
10/05/1999US5962205 Light-sensitive material comprises a support having provided thereon three light-sensitive units each having a different color-sensitivity, wherein one of the light-sensitive units is a white-sensitive unit
10/05/1999US5961229 Ribbon cassette having openable and closeable lid members
10/05/1999US5961227 Thermal recording apparatus
10/05/1999US5960936 Digital precision positioning system
10/05/1999CA2145223C Huffman decoder
10/05/1999CA2128852C Coding device with termination of decoder operation
09/1999
09/30/1999WO1999049649A1 Method for retrieving and sending user-specific documents
09/30/1999WO1999049420A1 Method for preventing the falsification of documents comprising a photograph, preferably a facial-view photograph
09/30/1999WO1999049413A1 Lossy/lossless region-of-interest image coding
09/30/1999WO1999049412A1 Method and apparatus for compressing and decompressing images
09/30/1999WO1999035817A3 Method and apparatus for image capture, compression and transmission over a telephonic or radio transmission system
09/30/1999DE19913311A1 Image processor, e.g. for digital photocopier, produces high quality images low levels of darkening in edge regions
09/30/1999DE19813126A1 Filmabtaster mit Prisma zur Abtastung der Perforationslöcher Film scanner with prism to scan the perforation
09/30/1999DE19813125A1 Position hole scanning equipment for use in a film scanner.
09/30/1999DE19812786A1 Electromechanical arrangement for producing linear movement e.g. for gravure printing
09/30/1999DE19812081A1 Videobox zur Verarbeitung und Speicherung der Bilddaten einer Digitalkamera Videobox for processing and storing the image data of a digital camera
09/30/1999DE19811990A1 Arrangement for data communications from a recording device is cost-effective, space-saving and light
09/29/1999EP0946052A1 Color facsimile and color facsimile transmission method
09/29/1999EP0946051A2 Apparatus and method for attribute indentification in color reproduction devices
09/29/1999EP0946050A2 Method and apparatus for converting color data
09/29/1999EP0946049A1 Processing images
09/29/1999EP0946048A2 A method of encoding high resolution edge position information in continuous tone image information
09/29/1999EP0946047A2 Method for low complexity, low memory inverse dithering
09/29/1999EP0946046A2 Image processing apparatus, control method of image processing apparatus, and storage medium storing therin control program for image processing apparatus
09/29/1999EP0946045A2 Camera with combination four-way directional and mode control interface
09/29/1999EP0946044A2 Digital camera
09/29/1999EP0946043A2 A method and apparatus for combining a plurality of images without incurring a visible seam
09/29/1999EP0946042A2 A method and apparatus for combining a plurality of images without incurring a visible seam
09/29/1999EP0946041A2 Electronic image scanner with position encoding pattern
09/29/1999EP0946040A1 Image reading device and focus adjustment method for it
09/29/1999EP0946039A1 Image recognition unit for preventing counterfeit copies
09/29/1999EP0946038A1 Method and apparatus for including an auxiliary image in a scanned image
09/29/1999EP0945823A2 Programmable mapping of lower resolution digital data to a higher resolution for output on a lower resolution device
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