| Patents for H04N 1 - Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof (142,802) |
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| 01/05/1994 | EP0577048A1 Image processing apparatus |
| 01/05/1994 | EP0576788A2 Apparatus for assembling components of color optical scanners |
| 01/05/1994 | EP0576786A2 Error diffusion processor and method for converting a grey scale pixel image to a binary value pixel image |
| 01/05/1994 | EP0576735A1 Mounting structure for electro-optical devices |
| 01/05/1994 | EP0576704A1 Method for preprocessing multicoloured image documents for automatic optical character recognition |
| 01/05/1994 | EP0576644A1 Apparatus and methods for automerging images |
| 01/05/1994 | EP0576568A1 Applying traps to a printed page specified in a page description language format |
| 01/05/1994 | DE4220650A1 Printing plate prepn. with quality control of exposure and development - uses scanned data from original copy and plates for automatic fault detection |
| 01/05/1994 | CN1080417A Object sensing system for bar code laser scanners |
| 01/04/1994 | US5276875 State control system for a distributed processing system |
| 01/04/1994 | US5276841 Audio/video data reproducing apparatus which generates end of data transfer signal and which transfers data after communication error without resetting address data |
| 01/04/1994 | US5276799 Expandable electronic subsystem for a printing machine |
| 01/04/1994 | US5276784 2-D discrete cosine transform circuit with reduced number of multipliers |
| 01/04/1994 | US5276779 Method for the reproduction of color images based on viewer adaption |
| 01/04/1994 | US5276733 Call generation apparatus |
| 01/04/1994 | US5276581 Receiving apparatus including a display for displaying the amount of unrecorded memory |
| 01/04/1994 | US5276546 Three dimensional scanning system |
| 01/04/1994 | US5276536 Imaging apparatus having a pressing/separating mechanism |
| 01/04/1994 | US5276535 Method and apparatus for halftoning of images using grayscale error diffusion |
| 01/04/1994 | US5276534 Optical apparatus for maintaining a focussed image by interconnected adjustment of object and image distances |
| 01/04/1994 | US5276533 Image processing system |
| 01/04/1994 | US5276532 Split-level frame buffer |
| 01/04/1994 | US5276531 Method and apparatus for high definition imaging |
| 01/04/1994 | US5276530 Document reproduction machine with electronically enhanced book copying capability |
| 01/04/1994 | US5276529 System and method for remote testing and protocol analysis of communication lines |
| 01/04/1994 | US5276527 Compact portable recording apparatus with thin, flat case, and which receives recording paper on an upper surface thereof |
| 01/04/1994 | US5276526 Decoding device for two-dimensional codes by using first or second reference line signals |
| 01/04/1994 | US5276511 Method of and apparatus for processing image by setting up image processing conditions on the basis of finishing information |
| 01/04/1994 | US5276509 Multi-color facsimile apparatus having different data preparation and transmission modes and data preparations and transmission method practiced by the apparatus |
| 01/04/1994 | US5276486 Image forming device |
| 01/04/1994 | US5276465 Plotter drum |
| 01/04/1994 | US5276463 Raster output scanning arrangement for a printing machine |
| 01/04/1994 | US5276459 Recording apparatus for performing uniform density image recording utilizing plural types of recording heads |
| 01/04/1994 | CA1325844C2 Image processing apparatus |
| 12/31/1993 | CA2098364A1 Communication apparatus, notably for a facsimile device |
| 12/29/1993 | EP0576371A1 Device for aligning and flattening a film in a projection gate |
| 12/29/1993 | EP0576298A2 Image processing method and apparatus |
| 12/29/1993 | EP0576226A2 Method and apparatus for reading image of image scanner-reader |
| 12/29/1993 | EP0576185A2 Exposure drum mask |
| 12/29/1993 | EP0576183A1 Synchronous display control apparatus |
| 12/29/1993 | EP0576162A1 Digital signal video color compression method and apparatus |
| 12/29/1993 | EP0576040A1 Photoelectric converter |
| 12/29/1993 | EP0576035A2 Sheet supplying apparatus |
| 12/29/1993 | EP0576003A1 Apparatus for converting image signal representing image having gradation |
| 12/29/1993 | EP0575997A2 Digital video cassette recorder signal processing apparatus |
| 12/29/1993 | EP0575988A1 A symmetrical overfilled polygon laser scanner |
| 12/29/1993 | EP0575869A1 Image reading apparatus |
| 12/29/1993 | EP0575675A1 Method and arrangement for transformation of signals from a frequency to a time domaine |
| 12/29/1993 | EP0575483A1 Apparatus and method to merge images rasterized at different resolutions |
| 12/29/1993 | EP0521005B1 Process and device for reducing the ink jet application on the paper in colour printing with an ink jet printer |
| 12/29/1993 | EP0427790B1 Intensity stabilized light source |
| 12/29/1993 | EP0394433B1 Automatic d.c. offset control for image scanners |
| 12/29/1993 | CN2151597Y Automatic switch for facsimile |
| 12/28/1993 | US5274719 Image data coding apparatus |
| 12/28/1993 | US5274681 Clock recovery circuit with memory storage level comparison with high, medium and low thresholds |
| 12/28/1993 | US5274653 Semiconductor laser driving system for driving a semiconductor laser element |
| 12/28/1993 | US5274491 Dynamic laser diode aperture for optical scanners |
| 12/28/1993 | US5274477 Electrophotographic facsimile apparatus having a pivoted upper structure |
| 12/28/1993 | US5274476 CCD image sensor with photodiodes in a zig-zag pattern and particular transfer gate electrodes formed over channel stop regions and VCCD regions |
| 12/28/1993 | US5274474 Integrated telefacsimile and character communication system with standard and high speed modes |
| 12/28/1993 | US5274473 Rapid variable angle digital screening |
| 12/28/1993 | US5274472 High addressability image generator using pseudo interpolation of video and screen data |
| 12/28/1993 | US5274471 Apparatus for converting resolution and gray scale of document image data |
| 12/28/1993 | US5274470 Data converter and image reader using the same |
| 12/28/1993 | US5274469 Sample rate converter circuit for image data |
| 12/28/1993 | US5274468 Reproduction apparatus and method with user-definable editing and machine operation functions |
| 12/28/1993 | US5274467 Facsimile apparatus capable of desired processings dependent on terminal number of calling party |
| 12/28/1993 | US5274466 Encoder including an error decision circuit |
| 12/28/1993 | US5274465 Document conveying circuit for use in a facsimile system |
| 12/28/1993 | US5274463 Still picture storing and sequencing apparatus |
| 12/28/1993 | US5274462 Image input and output method |
| 12/28/1993 | US5274461 Image processing apparatus which predicts when to prepare for image forming operations |
| 12/28/1993 | US5274457 Digital electronic still camera having removable record means |
| 12/28/1993 | US5274424 Image forming apparatus controlled according to smallest non-zero toner density |
| 12/28/1993 | US5274398 Image forming device |
| 12/28/1993 | US5274397 Large-format plotter using segmented raster-scanning |
| 12/28/1993 | US5274395 Thermal transfer recording apparatus switchable between sublimable and fusible ink sheets |
| 12/28/1993 | US5274394 Electronic adjustment of slow scan image registration in an image recording apparatus |
| 12/28/1993 | US5274250 Color image sensor with light-shielding layer |
| 12/28/1993 | US5274228 Linear light source/collector with integrating cylinder and light pipe means |
| 12/28/1993 | US5273643 Method of producing zinc-chromium alloy plated steel sheet with excellent plating adhesiveness |
| 12/28/1993 | US5273272 Paper cassette unit |
| 12/28/1993 | CA1325541C Film image reader/scanner apparatus |
| 12/23/1993 | WO1993026116A2 Method and apparatus for reproducing an image with gray level printing |
| 12/23/1993 | WO1993025937A1 A method for calibrating hardware and software for the automatic prepress reproduction of color originals |
| 12/23/1993 | DE4220280A1 Line-by-line optical beam deflection by rotating mirror - randomly selecting polygon faces for adjacent line scans in conjunction with modulation control memory read=out. |
| 12/22/1993 | EP0575202A2 Encoding and decoding digital video data |
| 12/22/1993 | EP0575201A2 Coding and decoding |
| 12/22/1993 | EP0575162A1 Method and apparatus for correction of color registration errors |
| 12/22/1993 | EP0575153A2 Facsimile machine with ink-jet printer |
| 12/22/1993 | EP0575113A2 Bit rate reduction apparatus |
| 12/22/1993 | EP0574950A1 Image communication apparatus having a communication error check function |
| 12/22/1993 | EP0574929A1 Micrographic reader with digitized image |
| 12/22/1993 | EP0574916A2 Material conveying method and apparatus and material processing apparatus |
| 12/22/1993 | EP0574910A1 Image sending or receiving apparatus |
| 12/22/1993 | EP0574905A2 Method and apparatus for forming color images |
| 12/22/1993 | EP0574612A2 Linear image sensor |
| 12/22/1993 | EP0574581A1 Electronic printing camera |
| 12/22/1993 | CN2150686Y Standard/narrow band facsimile apparatus |
| 12/21/1993 | US5272764 Detection of highlighted regions |