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| Number | Title | Issue Date |
| 7372600 | Color facsimile device with data recompressing capability JPEG data is efficiently recompressed and transmitted to a remote color facsimile device. Before transmission of recompressed JPEG data, an anticipated transmission time is displayed for enabling the user to easily select the desired compression ratio. To generate r... | 05/13/2008 |
| 7305490 | Preparing electronic data for transmission A method for preparing electronic data for transmission includes calculating a duration for compressing the electronic data, calculating a duration for transmitting the electronic data if not compressed, and compressing the electronic data only if the duration for c... | 12/04/2007 |
| 7274740 | Wireless video transmission system A transmission systems suitable for video. ... | 09/25/2007 |
| 7254272 | Browsing JPEG images using MPEG hardware chips Rapid throughput of still image compressed data (e.g. JPEG) is achieved for presentation of images in rapid succession for browsing or browsing by panning within large images by using a hardware decoder adapted for presentation of moving images to reduce the process... | 08/07/2007 |
| 7230735 | Forward link text compression in satellite messaging A method of transmitting communication information employing a coding scheme being defined by a character set. The characters of the character set are encoded into codewords of a sequence of bits, the codewords being of varying length. The characters are divided int... | 06/12/2007 |
| 7213129 | Method and system for a two stage pipelined instruction decode and alignment using previous instruction length A system and method for aligning an instruction stream is described. The system comprises a rotator logic unit for rotating data bytes of the instruction stream. A shifter logic unit is used for shifting the data bytes to the start of a instruction based upon a leng... | 05/01/2007 |
| 7142233 | Image pickup element To output a color image signal of an arbitrary basic block and facilitate processing on the output side, an image pickup element including a plurality of photodetectors each having a color filter array, a vertical direction selection circuit for selecting in the ver... | 11/28/2006 |
| 7082220 | Data processing apparatus The present invention relates to data processing apparatuses which improve the quality of decoded data, such as an image and sound, more. A decoding section 21 decodes, for example, encoded data obtained by JPEG-encoding an image, and an encoding section 2... | 07/25/2006 |
| 7065137 | Difference messaging protocol that uses prior state information A messaging system that reduces communications bandwidth is disclosed. Difference messages are constructed at a sender from a message and prior state information. The difference messages include information describing the difference between the content of the messag... | 06/20/2006 |
| 7054028 | Offline print method for printing image data in a removable storage medium based on output control data in the same medium A digital copying machine comprising an image scanner part for reading an original image to reproduce image data of the original image, a laser printer part for printing an image according to given image data, a removable memory card, and a reader/writer of the memo... | 05/30/2006 |
| 7016065 | Image processing method and apparatus with multiple coding units The invention relates to an image processing apparatus which has a coding function of image data and inputs and outputs an image and a method for such an apparatus, and has an object to simultaneously perform coding of the image data in parallel in both a CPU and a ... | 03/21/2006 |
| 6924902 | Offline print method using a printer apparatus and an external apparatus for printing out image data on a removable medium A digital copying machine comprising an image scanner part for reading an original image to reproduce image data of the original image, a laser printer part for printing an image according to given image data, a removable memory card, and a reader/writer of the memo... | 08/02/2005 |
| 6844943 | Method and apparatus for video recording from previous recorded video A system and method for eliminating absent or poor quality video sections from a video recording, such as a second generation of video recording. Synchronizing pulses associated with a video signal to be recorded are analyzed to determine whether a video signal is p... | 01/18/2005 |
| 6646756 | Printing apparatus and method which controls driving of a printing head according to received data A distinction apparatus of a printing apparatus distinguishes data compression rate according to each of the data transferred from a host computer, and a mode selection apparatus selects a printing mode according to slow printing velocity when data compre... | 11/11/2003 |
| 6583887 | Method and apparatus for data compression Compression apparatus is described that operates to select an optimum compression procedure to apply to received image data. The compression apparatus can be employed in a page printer having a print engine that must be provided with video data at a const... | 06/24/2003 |
| 5771102 | Process for the transmission of images The process for transmission of images enables various classes of source-coded image data to be channel-coded and transmitted at various class code rates. For this purpose, source-coded image data to be transmitted are divided into classes of different se... | 06/23/1998 |
| 5710639 | Scan line compressed facsimile communication system A selective call receiver includes a receiver (103), a controller (105), and a display (113) for presenting a recovered source document. The receiver (103) provides a received paging message that was generated from the facsimile message of the original so... | 01/20/1998 |
| 5706103 | Image processing device, for use in scanner, printer, digital copying machine and display device An image processing device comprises an encoder for encoding inputted image data in the form of fixed length compression. The encoded data encoded in the form of the fixed length compression by the encoder is stored in a hard disk through an encoded data ... | 01/06/1998 |
| 5506686 | Method and device for determining bit allocation in a video compression system The present invention provides a method (100) and device (200) for allocating bits to video pictures in a video compression system. A sequence of video frames or pictures is received, and the number of bits used to compress a previously encoded frame and ... | 04/09/1996 |
| 5463476 | Image processing system An image processing system having a data compressor for selectively compressing image data, data storage for selectively storing the compressed data from the data compressor, a page buffer for storing the compressed data to be stored into and read out of ... | 10/31/1995 |
| 5444542 | Image processing apparatus and method An apparatus is provided for quantizing data obtained by transforming image data to a frequency zone so as to encode it. The speed at which such an apparatus performs processing is increased. Data is quantized on the basis of a plurality of coefficients C... | 08/22/1995 |
| 5377018 | Video compression and decompression using block selection and subdivision A frame of digitized video data is compressed by dividing the frame into a plurality of rectangular blocks each typically measuring 4 pixels by 4 pixels. The entropy of each block is determined by measuring the difference between a maximum luminance of an... | 12/27/1994 |
| 5331427 | Image reproducing apparatus An image reproducing apparatus includes an input part for inputting digital signals indicating an image and for inputting supplementary digital signals, a composition part for coding the digital signals through a prescribed coding process so as to generat... | 07/19/1994 |
| 5331425 | Image data encoding apparatus providing increased encoding efficiency with reduced dependency on image content A data encoding apparatus, applicable for example to a facsimile apparatus, increases the degree of image data compression that can be achieved by a variable length encoding scheme, by limiting the maximum amount of data outputted from the encoding appara... | 07/19/1994 |
| 5319468 | Image signal recording and reproducing system with use of bandwidth compression coding A recording and reproducing system for digitizing the image signal and compression coding the signal by in-field and inter-field, or in-frame and inter-frame coding, wherein the inter-field or inter-frame coding is used as the primary coding method, in fi... | 06/07/1994 |
| 5307177 | High-efficiency coding apparatus for compressing a digital video signal while controlling the coding bit rate of the compressed digital data so as to keep it constant Digital video signals are divided in blocks, maximum and minimum values of each block are extracted, and a frequency distribution of one frame period of a dynamic range in each block is detected. The coding condition is determined by the frequency distrib... | 04/26/1994 |
| 5229863 | High speed CCITT decompressor A new and improved decoder for decoding CCITT compressed image data. This decoder separates all the incoming codes into short codes and long codes. The short codes are sent to the short channel decoder and the long codes are sent to the long channel decod... | 07/20/1993 |
| 5153747 | Color scanner with built-in color compression hardware to reduce scan time The color image scanner includes built-in color compression capabilities to reduce scan time. The improved color scanner scans a color image on a document to provide color image data having a bandwidth of approximately 4-5 megabytes per second. The color ... | 10/06/1992 |
| 4754336 | Picture data communication system with scanning pattern change A picture data communication system with a scanning pattern change includes a plurality of scanning pattern selecting units responsive to input picture signals for selecting a type of scanning pattern, a plurality of difference encoding and quantizing uni... | 06/28/1988 |
| 4413287 | White line skipping A white line skipping technique for data reduction is disclosed for reducing facsimile transmission time. Video processing for white line skipping centers around the use of a five element solid state linear array. The photosensitive area for each of the f... | 11/01/1983 |
| 4396952 | Facsimile transmission apparatus Apparatus for evaluating, characterizing and transmitting facsimile data at an efficiency exceeding one transmission bit per elemental scan area but in such a manner as to avoid the drop-out of data which is relatively close in size to an elemental scan a... | 08/02/1983 |
| 4303947 | Image interpolation system Analog image data pixels are sampled and held to produce a box car wave representative of the image data. Wave height differences are bridged by linear interpolation, with frequency enhancement imposed at the bridge junctures. The modified image wave is t... | 12/01/1981 |
