| Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802) |
|---|
| 02/12/1991 | CA1280074C Electronic print board system |
| 02/10/1991 | WO1991002412A1 Apparatus for run and string data compression |
| 02/07/1991 | WO1991001609A2 Technique for representing sampled images |
| 02/07/1991 | WO1991001608A1 Electronic mail broadcasting system |
| 02/07/1991 | WO1991001607A1 Digital data transmission system |
| 02/07/1991 | WO1991001606A1 A method for routing fax transmissions |
| 02/07/1991 | WO1991001507A2 Mount for an optical device |
| 02/07/1991 | DE3925671A1 Facsimile machine with secure storage of data - has store for received data accessed to print=out only via lock, e.g. code-lock |
| 02/07/1991 | DE3925533A1 Producing printing matrix with corrected raster dot sizes - correcting separate partial surfaces w.r.t. standard dependent on their tone value |
| 02/07/1991 | DE3925375A1 Raising resolution of line or matrix camera - coupling multiple mutually linear offset sensor sets via beam splitter, and having them signal combined |
| 02/06/1991 | EP0412039A2 Non-volatile memory usage |
| 02/06/1991 | EP0412038A2 Chromatic and misalignment compensation in a multiple beam laser scanning system |
| 02/06/1991 | EP0412037A2 Multiple laser beam scanning optics |
| 02/06/1991 | EP0412036A2 Pel placement correction in the scan dimension of a multiple beam laser scanning system |
| 02/06/1991 | EP0412034A2 Improved pel resolution addressing conversion |
| 02/06/1991 | EP0411954A2 Document scanners |
| 02/06/1991 | EP0411921A2 Image processing apparatus |
| 02/06/1991 | EP0411918A2 Color image processing apparatus |
| 02/06/1991 | EP0411911A2 Image processing apparatus |
| 02/06/1991 | EP0411844A2 Process control for electrostatographic printers |
| 02/06/1991 | EP0411828A2 Color image forming method and apparatus |
| 02/06/1991 | EP0411800A2 Method for determining aperture shape |
| 02/06/1991 | EP0411698A2 Portable computer provided with facsimile means |
| 02/06/1991 | EP0411540A2 Heat transfer recording apparatus and facsimile apparatus |
| 02/06/1991 | EP0411325A2 Apparatus and method utilizing LCD for printing |
| 02/06/1991 | EP0411232A2 Method for high-quality compression by binary text images |
| 02/06/1991 | EP0411231A2 Method for digitizing information written into forms by means of very large symbol matching |
| 02/06/1991 | EP0411086A1 Video dekstop camera. |
| 02/06/1991 | EP0410992A1 Scanner for scanning an original document |
| 02/06/1991 | EP0277153B1 Temperature compensated thermal printer apparatus |
| 02/06/1991 | EP0263143B1 High resolution optical scanner |
| 02/06/1991 | EP0144315B1 Screen gravure engraving method for electromechanical engravers |
| 02/06/1991 | CN1049080A Stylus printing class-3 facsimile equipment |
| 02/05/1991 | US4991205 Personal identification system and method |
| 02/05/1991 | US4991201 SCA facsimile adapter |
| 02/05/1991 | US4991200 Interface device for the intercommunication of a computer and a fax machine |
| 02/05/1991 | US4991113 Thermal transfer printer with image data processing |
| 02/05/1991 | US4991108 Data processor printer arrangement |
| 02/05/1991 | US4991030 Image reading apparatus capable of reading a projected image and having means for diffusing the projected luminous flux |
| 02/05/1991 | US4991029 Still picture processing method and/or apparatus |
| 02/05/1991 | US4991028 Sending apparatus |
| 02/05/1991 | US4991022 Apparatus and a method for automatically centering a video zoom and pan display |
| 02/05/1991 | US4991004 Film previewer which simultaneously displays a 110 and a 135 frame |
| 02/05/1991 | US4990936 Image forming device |
| 02/05/1991 | US4990930 High speed thermal printing apparatus |
| 02/05/1991 | US4990771 Scanning optical apparatus having focus position detector |
| 02/05/1991 | US4990764 Apparatus and method for information from an information carrier |
| 02/05/1991 | US4990763 Light beam recorder having beam duration and intensity controlled in accordance with scanning speed |
| 01/30/1991 | EP0410909A1 Apparatus for converting a line scan into a stripe-wise vertical sawtooth scan |
| 01/30/1991 | EP0410771A2 Image processing apparatus |
| 01/30/1991 | EP0410739A2 Method and apparatus for compressing halftone image data |
| 01/30/1991 | EP0410719A2 Colour correction system and method |
| 01/30/1991 | EP0410703A2 Image scanning apparatus |
| 01/30/1991 | EP0410700A2 Image processing apparatus |
| 01/30/1991 | EP0410695A2 Light-emitting device |
| 01/30/1991 | EP0410668A2 Queue management process |
| 01/30/1991 | EP0410653A2 Semi-conductor image sensing device |
| 01/30/1991 | EP0410608A2 Image data inputting systems for image processing apparatus |
| 01/30/1991 | EP0410578A2 Optical scanner |
| 01/30/1991 | EP0410518A2 Coil arrangement for an optical head, and an optical head with such a coil arrangement |
| 01/30/1991 | EP0410490A2 Laser beam printer |
| 01/30/1991 | EP0410482A2 Image forming apparatus |
| 01/30/1991 | EP0410461A2 Facsimile communication device |
| 01/30/1991 | EP0410395A2 Photoelectric conversion device having an improved illuminating system, and information processing apparatus equipped therewith |
| 01/30/1991 | EP0410378A2 Multimedia telemeeting terminal device, communication system and manipulation method thereof |
| 01/30/1991 | EP0410376A2 Image reproducing system |
| 01/30/1991 | EP0409933A1 Electronic imaging apparatus spectrally-responsive to different types of originals. |
| 01/29/1991 | US4989244 Data encripting transfer |
| 01/29/1991 | US4989238 Facsimile record and playback system |
| 01/29/1991 | US4989237 Image data transmission apparatus |
| 01/29/1991 | US4989232 Device for processing digital signal in audio-frequency bandwidth |
| 01/29/1991 | US4989163 Photo printer having a host computer assist function and method of controlling the same |
| 01/29/1991 | US4989100 Image reader for an image recording apparatus |
| 01/29/1991 | US4989099 Image information reading apparatus |
| 01/29/1991 | US4989098 Processing apparatus using selectable period triangular or sawtooth waves |
| 01/29/1991 | US4989097 Apparatus for reproducing and processing picture information from a recording medium |
| 01/29/1991 | US4989096 Producing half-tone images of higher resolution through interpolation of original data |
| 01/29/1991 | US4989080 Color correction device with a hue area judgment unit to determine correction parameters |
| 01/29/1991 | US4989079 Color correction device and method having a hue area judgement unit |
| 01/29/1991 | US4989078 Still video camera for recording stereo images on a video disk |
| 01/29/1991 | US4989077 Photographic printer with monitor |
| 01/29/1991 | US4989060 Solid-state imaging device with pixels having weighted sensitivity distribution |
| 01/29/1991 | US4989039 Image forming apparatus responsive to environmental conditions |
| 01/29/1991 | US4989019 Multi-beam scanning system compensated for banding |
| 01/29/1991 | US4989018 Recording apparatus having linear array of dot-forming elements for line-by-line recording, including means of improving image quality |
| 01/29/1991 | US4988984 Image interpolator for an image display system |
| 01/29/1991 | US4988873 Apparatus and method for scanning transparent phosphors |
| 01/29/1991 | CA2022306A1 Laser beam printer |
| 01/29/1991 | CA1279624C Registration system for an electrostatic printer/plotter |
| 01/29/1991 | CA1279524C Color thermal transfer recording system and ribbon |
| 01/27/1991 | CA2021865A1 Multimedia telemeeting terminal device, terminal device system and manipulation method thereof |
| 01/24/1991 | WO1991001070A1 Device for converting light signals to video signals |
| 01/24/1991 | WO1990016035A3 Digital image interpolator |
| 01/23/1991 | EP0409737A1 Oxytitanium phthalocyanine, process for producing same and electrophotosensitive member using same |
| 01/23/1991 | EP0409718A1 Videotex and telescopy terminal with automatic reception |
| 01/23/1991 | EP0409622A2 Communication terminal equipment |
| 01/23/1991 | EP0409608A2 Method for offset and similar printing systems |
| 01/23/1991 | EP0409602A2 High efficiency coding apparatus |
| 01/23/1991 | EP0409474A2 Color image forming apparatus |
| 01/23/1991 | EP0408680A1 Fiber optic array |