| 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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| 04/05/1994 | US5301241 Image compression method and apparatus employing principal component analysis |
| 04/05/1994 | US5301228 Communication device with a detachable recording medium |
| 04/05/1994 | US5301172 Method of storing user information items and apparatus for reproducing stored items |
| 04/05/1994 | US5301136 Method and apparatus for fast implementation of inverse discrete cosine transform in a digital image processing system using low cost accumulators |
| 04/05/1994 | US5301060 Optical element |
| 04/05/1994 | US5301044 Marking material containing a taggant, and method of producing an image |
| 04/05/1994 | US5301043 Image reading apparatus in which an original image is automatically fed to a turntable |
| 04/05/1994 | US5301042 Means for mounting an image sensor in an optical path |
| 04/05/1994 | US5301040 Image processing apparatus and method |
| 04/05/1994 | US5301039 Image processing apparatus with pixel tone discrimination |
| 04/05/1994 | US5301038 Image processor and method for processing pixel data |
| 04/05/1994 | US5301037 Resolution conversion with simulated multi-bit gray |
| 04/05/1994 | US5301036 Image orientation control |
| 04/05/1994 | US5301035 Facsimile apparatus having redialing function |
| 04/05/1994 | US5301034 Production of properly oriented copies of transparent masters |
| 04/05/1994 | US5301029 Device for maintaining the clearance between a cycolor film and the head of film exposing CRT |
| 04/05/1994 | US5301026 Picture editing apparatus in a digital still video camera system |
| 04/05/1994 | US5300983 Image shifting by control patch |
| 04/05/1994 | US5300962 Compound optics for a raster output scanner in an electrophotographic printer |
| 04/05/1994 | US5300961 Method and apparatus for aligning multiple print bars in a single pass system |
| 04/05/1994 | US5300957 Method and apparatus for high-speed interlaced printing in the direction of print head scanning |
| 04/05/1994 | US5300956 Multibeam semiconductor laser array and multibeam laser printer |
| 04/05/1994 | US5300949 Scalable digital video decompressor |
| 04/05/1994 | US5300767 Color image sensing assembly with multiple linear sensors and aligned filters |
| 04/05/1994 | US5300381 Color image reproduction of scenes with preferential tone mapping |
| 04/05/1994 | US5300012 Uncurling device |
| 04/05/1994 | CA1328305C Write head controller |
| 03/31/1994 | WO1994007333A1 Improved data transmission with video transmitter |
| 03/31/1994 | WO1994007330A1 Data formats on optical video tape |
| 03/31/1994 | WO1994007326A1 Encryption device |
| 03/31/1994 | WO1994007325A1 Improvements in or relating to photographic self-portrait installations |
| 03/31/1994 | WO1994007324A1 Improvements in or relating to video-photo installations |
| 03/31/1994 | DE4307957C1 Optimum grey scale picture display of image obtained from ultrasound scanning - has grey scale values processed in masking operation based upon brightness and contrast values to generate optimum set for display |
| 03/31/1994 | DE4232704A1 Electronic retouching system for colour images in colour reproduction - provides colour intensity correction of selected points of stored colour image simulating effect of real retouching brush |
| 03/31/1994 | DE4230527A1 Data transmission procedure - using inaccuracies in data content occurring through scanning of data source as modulation content for transmission of data |
| 03/31/1994 | CA2144641A1 Improved data transmission with video transmitter |
| 03/30/1994 | EP0589724A2 An electronic image processing system |
| 03/30/1994 | EP0589721A1 Digital zooming circuit with compensation of the edge degradation |
| 03/30/1994 | EP0589700A1 Device and apparatus for high speed tracking in a raster output scanner |
| 03/30/1994 | EP0589682A2 Variable length code decoder |
| 03/30/1994 | EP0589654A1 Device and apparatus for scan line process direction control in a multicolor electrostatographic machine |
| 03/30/1994 | EP0589652A1 A raster output scanner for a xerographic printing system having laser diodes arranged in a line parallel to the fast scan direction |
| 03/30/1994 | EP0589651A1 Device and apparatus for scan line skew correction in an electrostatographic machine |
| 03/30/1994 | EP0589650A1 Color printer |
| 03/30/1994 | EP0589539A1 Image forming apparatus |
| 03/30/1994 | EP0589476A2 Facsimile apparatus |
| 03/30/1994 | EP0589376A2 Colour image reproduction of scenes with preferential tone mapping |
| 03/30/1994 | EP0589136A2 Image reading and forming device |
| 03/30/1994 | EP0589135A2 Image forming apparatus and method of manufacturing the same |
| 03/30/1994 | EP0589131A2 Image forming apparatus and image forming method |
| 03/30/1994 | EP0588877A1 Transmitting data with a video signal |
| 03/29/1994 | US5299310 Flexible frame buffer for raster output devices |
| 03/29/1994 | US5299304 Method and apparatus for identifying multiple stage document format transformations |
| 03/29/1994 | US5299296 Multi-function machine with interleaved job execution |
| 03/29/1994 | US5299292 Reduction printing apparatus |
| 03/29/1994 | US5299291 Color printing method and apparatus using an out-of-gamut color table |
| 03/29/1994 | US5299257 Subscriber initiated non-intrusive network-based analysis of facsimile transmissions |
| 03/29/1994 | US5299034 Image processing apparatus and image processing method for reproducing a color image from color signals having different phases |
| 03/29/1994 | US5299033 Image reading and recording apparatus with marking board and moveable scanning arm conveyed by a cable and drum arrangement |
| 03/29/1994 | US5299031 Image sensor and optical reading unit using the same |
| 03/29/1994 | US5299030 Image data processing method and apparatus with mixture of simple binarization and psuedo intermediate tone |
| 03/29/1994 | US5299029 Image processing apparatus capable of preventing deterioration in image quality |
| 03/29/1994 | US5299028 Method and apparatus for image data resolution conversion |
| 03/29/1994 | US5299027 Method and appratus for decoding and printing coded image, and facsimile apparatus, filing apparatus and communication apparatus using the same |
| 03/29/1994 | US5299026 Tracking the reproduction of documents on a reprographic device |
| 03/29/1994 | US5299024 Method and apparatus for broadcasting and receiving broadcasted information |
| 03/29/1994 | US5299021 Copier with mode for collating off a platen |
| 03/29/1994 | US5299020 Method and apparatus for generating a screened reproduction of an image using stored dot portions |
| 03/29/1994 | US5299018 System and method for storing received facsimile image data in computer memory |
| 03/29/1994 | US5299014 Telecine method and apparatus for the production of high definition television signals |
| 03/29/1994 | US5299013 Silicon butting contact image sensor with two-phase shift register |
| 03/29/1994 | US5298990 Video signal block forming method |
| 03/29/1994 | US5298961 Image forming apparatus with parallel exposure processing |
| 03/29/1994 | US5298937 High productivity method and apparatus for scanning simplex or duplex originals |
| 03/29/1994 | US5298917 Digital image forming apparatus |
| 03/29/1994 | US5298455 Method for producing a non-single crystal semiconductor device |
| 03/29/1994 | US5297878 Method of thermal wax transfer printing |
| 03/29/1994 | US5297787 Sheet cassette |
| 03/29/1994 | CA2012028C Facsimile apparatus |
| 03/24/1994 | DE4231401A1 Time delay and integration CCD imaging structure - with controlled charge shifting in either direction along planar loop of CCD elements. |
| 03/23/1994 | EP0588695A1 Improved device for the analysis of information supports |
| 03/23/1994 | EP0588566A2 Apparatus and technique for generating a screened reproduction of an image |
| 03/23/1994 | EP0588551A1 Apparatus and method for providing accurate layer registration for multiple layer electronic printing systems |
| 03/23/1994 | EP0588493A2 Charge-coupled devices |
| 03/23/1994 | EP0588410A1 System comprising a first encoder for coding a first digital signal and a second encoder for coding a second digital signal (e.g. stereoscopic video signal) |
| 03/23/1994 | EP0588380A2 Image processing apparatus |
| 03/23/1994 | EP0588295A2 Optical chassis |
| 03/23/1994 | EP0588293A1 Arc-segment-shaped gate for photographic film scanning apparatus |
| 03/23/1994 | EP0588283A1 Method of and apparatus for producing a unit pattern on a printing cylinder for printing an endless pattern |
| 03/23/1994 | EP0588243A1 Method and apparatus for storing and retrieving generalized image data |
| 03/23/1994 | EP0588205A1 Facsimile apparatus with device for simplified paper reloading |
| 03/23/1994 | EP0587978A1 Image forming apparatus |
| 03/23/1994 | EP0587783A1 Adaptive block size image compression method and system. |
| 03/23/1994 | CN1084338A Facsimile apparatus having pivotally supported image reading system |
| 03/23/1994 | CN1084336A Entry point device between visual image and character network |
| 03/22/1994 | US5297256 Digital image processing system and method |
| 03/22/1994 | US5297221 Image signal processing apparatus |
| 03/22/1994 | US5297220 Image processing system for image compression and decompression |
| 03/22/1994 | US5297219 Transforms for digital images in a hierarchical environment |
| 03/22/1994 | US5297217 Tile-oriented technique for collectively performing image rotation scaling and digital halftone screening |