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| Number | Title | Issue Date |
| 7324696 | Method for tag plane growth and contraction using run length encoded data A method of improving edge rendering of objects containing run length encoded image pixel data collects two run-length encoded scanlines (upper and lower). Each run transition is inspected for the presence of interesting runs (object tag planes to be grown or shrunk... | 01/29/2008 |
| 7320043 | Split computer architecture to separate user and processor while retaining original user interface A network interface is described in which a single computer bus is split over a long distance into two or more inter-communicating buses. On one bus, processing and applications are provided and on the other remote bus, peripheral and local controllers are provided.... | 01/15/2008 |
| 7243297 | Method for bit recovery in an asymmetric data channel A demodulator performs bit recovery in an asymmetric data channel, such as an optical recording media, by detecting runlength violations prior to demodulation, and correcting the detected runlength violations prior to the demodulation. ... | 07/10/2007 |
| 7230733 | Communication control method of internet facsimile and internet facsimile A communication control method of an Internet facsimile may provide transmitting and receiving document information via the Internet and transmitting and receiving facsimile image information via a public switched telephone network. The method may include receiving ... | 06/12/2007 |
| 7151614 | Facsimile (fax) relay handling in error correction mode (ECM) An embodiment of the present invention includes a fax communication system for communicating fax information between a first fax machine having error correction capability and a second fax machine. The first and second fax machines are coupled to communicate with on... | 12/19/2006 |
| 7050198 | Communication terminal apparatus with e-mail address input function A communication terminal capable of sending e-mail is described in which a complete e-mail address of an e-mail recipient is specified by combining one or more e-mail address parts with two or more e-mail address parts designated by making a selection from a display... | 05/23/2006 |
| 7050187 | Real time fax-over-packet packet loss compensation A device and method for providing real time compensation for packet loss in the transmission of facsimile data over packet networks to avoid the generation of page loss data and the termination of facsimile transmission. Facsimile devices have a low tolerance for in... | 05/23/2006 |
| 7016542 | Efficient transmission of quarter-VGA images using DVC codecs Methods and apparatus for encoding and decoding video subframes (e.g., lower-resolution video) with a DVC video coder are disclosed. The disclosed embodiments allow a DVC video coder to efficiently code a subframe. The disclosed encoder embodiments redistribute bloc... | 03/21/2006 |
| 6975432 | Communication control system and method using communication network A communication control system and method provides communication over the Internet between a first user having a first communication device, such as IP phone or computer, and a second user having a second communication device. The communication control system provid... | 12/13/2005 |
| 6947387 | Video data resending method A video data resending apparatus and method is disclosed. The present invention is capable of performing a selective resending process with respect to a local bit error of a previously sent video data packet, using a CONTRAXPAND™ buffer. The present invention has ... | 09/20/2005 |
| 6897968 | Apparatus and method for counting pixels in print data An independent hardware pixel counter counts bits of print data in regions of interest. The independent pixel counter can be an application specific integrated circuit (ASIC), and is separate from a control processor. The independent hardware pixel counter selective... | 05/24/2005 |
| 6781723 | Communication apparatus and its control method A communication apparatus and its control method which assure an execution of a polling communication in a state that an ECM transmit inhibition is selected while an ECM receive inhibition is not selected for communications in the ITU-T Recommendation V.8, V.21, V.2... | 08/24/2004 |
| 6738153 | Method, system, and program for error checking raster objects Disclosed is a method, system, and program for error checking raster objects including pixel information for a print job. A plurality of raster objects form the print job. A raster object is received including sequence information indicating an ordering of the raste... | 05/18/2004 |
| 6683986 | Efficient transmission of quarter-VGA images using DVC codecs Methods and apparatus for encoding and decoding video subframes (e.g., lower-resolution video) with a DVC video coder are disclosed. The disclosed embodiments allow a DVC video coder to efficiently code a subframe. The disclosed encoder embodiments redist... | 01/27/2004 |
| 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 |
| 5809041 | Image processing apparatus and method for concealing errors by replacing only part of a block An image processing apparatus comprises a receiving device for receiving encoded image data which is encoded by using orthogonal transform in a predetermined block unit, an error detecting device for detecting a transmission error of the encoded image dat... | 09/15/1998 |
| 5790265 | Image coding/decoding method and apparatus Disclosed are an image coding method and apparatus for coding digital image data in a highly efficient manner, and to an image decoding method and apparatus for decoding the data thus coded. Each image signal constituting the image data is partitioned int... | 08/04/1998 |
| 5731882 | Image communication apparatus An image communication apparatus such as a facsimile apparatus has: a receiving device for receiving coded data, a decoder for decoding the coded data received by the receiving device and for conducting an operation for detecting a transmission error in e... | 03/24/1998 |
| 5717705 | Image processing apparatus An image processing apparatus comprises a receiving device for receiving encoded image data which is encoded by using orthogonal transform in a predetermined block unit, an error detecting device for detecting a transmission error of the encoded image dat... | 02/10/1998 |
| 5566002 | Image coding/decoding method and apparatus Disclosed are an image coding method and apparatus for coding digital image data in a highly efficient manner, and to an image decoding method and apparatus for decoding the data thus coded. Each image signal constituting the image data is partitioned int... | 10/15/1996 |
| 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 |
| 5331436 | Encoder and decoder An encoder comprises a memory for storing a to-be-coded original image, outputting a to-be-coded image signal in response to a to-be-coded region designation signal for designating a to-be-coded region used as a to-be-coded block, and outputting a to-be-t... | 07/19/1994 |
| 5274466 | Encoder including an error decision circuit An encoder comprises a memory for storing a to-be-coded original image, outputting a to-be-coded image signal in response to a to-be-coded region designation signal for designating a to-be-coded region used as a to-be-coded block, and outputting a to-be-t... | 12/28/1993 |
| 5253079 | Facsimile apparatus having improved error check function of reception data A facsimile apparatus according to the present invention includes a receiver for receiving a code data transmitted by another facsimile apparatus, a memory for storing code data received by the receiver, a predecoder for decoding code data received by the... | 10/12/1993 |
| 4897733 | Communication system in facsimile On the transmitting side, a writing is divided in blocks, read picture signals for one block are stored in a picture signal memory, the stored picture signals are interleaved in the order of the specific pattern, and then the interleaved signals are trans... | 01/30/1990 |
| 4785356 | Apparatus and method of attenuating distortion introduced by a predictive coding image compressor The present invention relates to a predictive coding method and related apparatus which (a) computes a value D representing the difference between an original graylevel value for a current pixel and a predicted value for the current pixel; (b) associates ... | 11/15/1988 |
| 4774587 | Still video transceiver processor A still video transceiver processor, which transmits or receives serial data segments of a compressed video frame, includes a segment information array which tracks the current state (sent/not sent) and status (acknowledged/unacknowledged) of each compres... | 09/27/1988 |
| 4713696 | Picture block retransmission arrangement rapidly operable even when a transmission path has an inferior quality In a picture block retransmission arrangement of a receiver in which a band-compression encoded picture block signal transmitted from a counterpart transmitter is decoded into a reproduced block signal comprising reproduced line signals representative of ... | 12/15/1987 |
| 4679094 | Method for compression and transmission of video information A facsimile transmitter capable of transmitting graphic as well as text material, by telephone or wireless. A digital code derived from scanning the document to be transmitted is truncated from eight bits per pixel to six bits per pixel. The three most si... | 07/07/1987 |
| 4656523 | Two dimensional coding apparatus A two dimensional coding apparatus in use with a facsimile for two dimensionally coding an image signal, comprises an image memory for storing an image signal and a two dimensional coder for the modified READ coding the image signal in the image memory fo... | 04/07/1987 |
| 4449149 | Facsimile apparatus A facsimile apparatus is disclosed wherein in a transmission mode facsimile data are transmitted scan line by scan line but in a predetermined irregular distribution of scan lines which has no relation with the order of scan lines on a document while, in ... | 05/15/1984 |
| 4213154 | Facsimile communication system Binary signals from picture elements arranged in rows and columns of the subject copy are successively applied to a group of shift registers and suitably time-delayed under the control of clock pulses so that the signals from reference picture elements fo... | 07/15/1980 |
| 4144547 | Apparatus and method for encoding halftone and line copy data A system for encoding halftone and line copy data having an unknown screen frequency and/or angle is disclosed. The data, in binary pixel form, is inputted to multiple predictors, each adapted to handle different types of imagery. The predictions made are... | 03/13/1979 |
| 4115815 | Facsimile signal coding method A facsimile signal coding method, in which information change picture elements are classified into two kinds of change points according to the information change directions. In case of the information change picture element having an information change fr... | 09/19/1978 |
| 4097903 | Facsimile signal coding system A facsimile signal coding system for successively coding runs of black and white signals included in a facsimile signal obtained by scanning an original picture, in which the length and position on a scanning line of the runs of the black or white signal ... | 06/27/1978 |
