| 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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| 01/14/1999 | WO1999001784A1 Reading head for an optical scanning device |
| 01/14/1999 | WO1999001286A1 Printed data correcting device, printed data correcting method, and software recording medium on which printed data correcting program is recorded |
| 01/14/1999 | WO1998040999A3 Digital answering machine |
| 01/14/1999 | DE19824757A1 Communication data terminal especially facsimile apparatus |
| 01/14/1999 | DE19728534A1 Additional function carrying out method for telecommunication terminals |
| 01/13/1999 | EP0891100A1 Method and device for coding and decoding data, notably digital images and sequences of digital images |
| 01/13/1999 | EP0891093A2 Data structure for image transmission, image coding method, and image decoding method |
| 01/13/1999 | EP0891092A2 Method for restoring a binary shape signal |
| 01/13/1999 | EP0891078A2 Colour correction apparatus and method for an image system |
| 01/13/1999 | EP0891077A2 Colour image processing apparatus and method |
| 01/13/1999 | EP0891076A2 Apparatus and method for interpolating binary pictures |
| 01/13/1999 | EP0891075A2 An image processing apparatus and method, and an image evaluation device and method |
| 01/13/1999 | EP0891074A1 Image processing circuit |
| 01/13/1999 | EP0891073A2 Image processing apparatus and image processing method |
| 01/13/1999 | EP0891072A2 Method for signalling services in telephone networks with analog subscriber connections |
| 01/13/1999 | EP0891071A2 Apparatus and method for watermark data insertion and apparatus and method for watermark data detection |
| 01/13/1999 | EP0891070A1 Method and device for recognizing image, and copying machine and printer using them |
| 01/13/1999 | EP0890921A2 Interpolation method for binary image |
| 01/13/1999 | EP0890885A2 Image forming apparatus |
| 01/13/1999 | EP0890870A2 Method and apparatus for forming photographic images |
| 01/13/1999 | EP0890262A1 Method and apparatus for in-camera encryption |
| 01/13/1999 | EP0890257A2 Universal vacuum drum and mask |
| 01/13/1999 | EP0890169A1 Compositions comprising cystalline-like transition metal material and methods of use thereof |
| 01/13/1999 | EP0746926A4 Complex document security |
| 01/13/1999 | EP0685140B1 Continuous diffuse illumination method and apparatus |
| 01/13/1999 | EP0617545B1 Duplicating apparatus having unit for recognizing special original |
| 01/13/1999 | CN1204919A Scanning device with image storage and grey level decoding output |
| 01/13/1999 | CN1204918A Processing method of electronic mail system |
| 01/13/1999 | CN1204896A Method for producing restored binary shape signal based on interpolation technique |
| 01/13/1999 | CN1041667C Photo-electric converter |
| 01/12/1999 | US5860047 System and method for variable toner output in output devices |
| 01/12/1999 | US5860044 Open/close mechanism of upper frame for use in image forming apparatus |
| 01/12/1999 | US5860042 Image reading method and apparatus with read sensor temperature control |
| 01/12/1999 | US5859967 Method and system for relaying communications from authorized users |
| 01/12/1999 | US5859957 Method and devices for the generation of printed images which define patterns to be used in graphic information |
| 01/12/1999 | US5859956 Information processing device and information processing method |
| 01/12/1999 | US5859955 For forming images on output sheets |
| 01/12/1999 | US5859948 Images processing apparatus for controlling binarized multi-value image data to convert pulse widths differently in at least two modes |
| 01/12/1999 | US5859935 Source verification using images |
| 01/12/1999 | US5859933 Image forming apparatus |
| 01/12/1999 | US5859931 Image compression and decompression using predictive coding and error diffusion |
| 01/12/1999 | US5859928 Jitter-form background control for minimizing spurious gray cast in scanned images |
| 01/12/1999 | US5859926 Device and method for data coding and decoding |
| 01/12/1999 | US5859920 Method for embedding digital information in an image |
| 01/12/1999 | US5859734 Light-supplying optical device |
| 01/12/1999 | US5859726 For imaging documents in a document processing system |
| 01/12/1999 | US5859712 Method and circuit for correcting distance between sensors in image reading apparatus having a plurality of line sensors |
| 01/12/1999 | US5859711 Multiple print engine with virtual job routing |
| 01/12/1999 | US5859710 Digital copying system using a high speed data bus without the use of data buffers |
| 01/12/1999 | US5859667 Hierarchical encoding and decoding apparatus for a digital image signal |
| 01/12/1999 | US5859659 Laser beam scanning device and method including light intensity adjustment |
| 01/12/1999 | US5859604 Merged VLSI implementation of hardware optimized Q-Coder and software optimized QM-Coder |
| 01/12/1999 | US5859441 Scanning device |
| 01/12/1999 | US5859427 For reading an image of an object |
| 01/12/1999 | US5859421 Contact-type image sensor |
| 01/12/1999 | US5858589 Intensity modulated stochastic screening for preparing a lithographic printing plate |
| 01/12/1999 | CA2144793C Method of thresholding document images |
| 01/12/1999 | CA2131956C Vector quantization of a time sequential signal by quantizing an error between subframe and interpolated feature vectors |
| 01/12/1999 | CA2045580C Nonreplicable document and method for making same |
| 01/07/1999 | WO1999000973A1 Internet facsimile device and information terminal |
| 01/07/1999 | WO1999000972A1 Method for economical fax transmission and fax machine for implementing the method |
| 01/07/1999 | WO1999000968A1 System and method relating to handling of documents and/or messages |
| 01/07/1999 | WO1999000928A2 Arrangement for synchronization of nodes in vdsl-systems |
| 01/07/1999 | WO1999000763A1 A memory based vlsi architecture for image compression |
| 01/07/1999 | WO1999000762A1 An efficient table-lookup based visually-lossless image compression scheme |
| 01/07/1999 | WO1999000759A2 Closest word algorithm |
| 01/07/1999 | WO1999000701A1 Image processor and recording medium bearing voice code image |
| 01/07/1999 | WO1999000648A1 Characterization of color imaging systems |
| 01/07/1999 | WO1999000254A1 Modular optical print head assembly |
| 01/07/1999 | WO1998038597A3 Data-conversion method for a multibeam laser writer for very complex microlithographic patterns |
| 01/07/1999 | EP0889643A1 A copying apparatus having adjustable gradation |
| 01/07/1999 | EP0889642A2 Image processing apparatus and method |
| 01/07/1999 | EP0889641A2 Halftoning system |
| 01/07/1999 | EP0889640A2 Sum and difference error diffusion |
| 01/07/1999 | EP0889639A1 Multilevel halftoning with reduced texture contours and coverage control |
| 01/07/1999 | EP0889638A2 Image processing apparatus and method |
| 01/07/1999 | EP0889637A2 Recording device provided with communication functions |
| 01/07/1999 | EP0889636A2 Image communication system and method |
| 01/07/1999 | EP0889635A2 Electronic camera having picture data output function |
| 01/07/1999 | EP0889634A2 Method and apparatus for detecting document size |
| 01/07/1999 | EP0889633A2 Method and apparatus for scanning documents |
| 01/07/1999 | EP0889632A2 Method for detecting leading edge of print medium |
| 01/07/1999 | EP0889439A2 Image transforming method and apparatus |
| 01/07/1999 | EP0889435A2 Light emitting element array chip, light emitting element array drive IC and print head |
| 01/07/1999 | EP0889390A1 A printing system for printing images in accordance with electrical image and control signals and control means adapted for use in such a printing system |
| 01/07/1999 | EP0889353A2 Optical deflection-scanning apparatus |
| 01/07/1999 | EP0889352A1 Image reproducing method |
| 01/07/1999 | EP0888894A2 Printer and printer driving method |
| 01/07/1999 | EP0888689A1 Data compression using adaptive bit allocation and hybrid lossless entropy encoding |
| 01/07/1999 | EP0888684A1 Soft proofing display |
| 01/07/1999 | EP0888683A1 Interpolation of greyscale levels |
| 01/07/1999 | EP0888682A1 Terminal connected to the telephone network and with selective processing of incoming calls |
| 01/07/1999 | EP0888676A1 Watermarking process resilient to collusion attacks |
| 01/07/1999 | EP0888592A1 Sprite coding |
| 01/07/1999 | EP0712528B1 Object-oriented palette system |
| 01/07/1999 | EP0608368A4 Electro-optical scanning system. |
| 01/07/1999 | DE19818018A1 User interface to select the sensitivity of a scanner |
| 01/07/1999 | DE19813714A1 Variable resolution scanner for multimedia use |
| 01/07/1999 | DE19807300A1 Digital single picture camera suitable for telecommunications |
| 01/06/1999 | CN2303410Y Picture displaying device for quick relative movement of pictures |