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| Number | Title | Issue Date |
| 7509378 | System and method for message ordering in a message oriented network A system and method for message ordering in a message oriented network. Sequencing groups of messages is an act that is completely orthogonal to the service/port/operation hierarchy of any of the participants. By separating the two, the invention eliminates making m... | 03/24/2009 |
| 5805237 | Image processing apparatus with a function of superimposing a binary image on another image A binary image multiplexing apparatus of the present invention includes a plurality of storage areas and divides a binary image signal corresponding to a binary image into a plurality of blocks respectively corresponding to the plurality of storage areas,... | 09/08/1998 |
| 5805215 | Information processing method and apparatus for storing additional data about an image Disclosed is an information processing method of generating image data and additional data paired with the image data and capable of searching image data at high speed. Photographic time at which image data is photographed is compared with a predetermined... | 09/08/1998 |
| 5793445 | Host CPU independent video processing unit The present invention relates to a video display processor comprised apparatus for receiving digital input signal components of a signal to be displayed, apparatus for converting the components to a desired format, apparatus for scaling and blending the s... | 08/11/1998 |
| 5790198 | Television schedule information transmission and utilization system and process Television schedule information transmission and utilization systems (50A-50D) transmit TV schedule data and associated network control messages provided by computer (54) as packets via the Video Blanking Interval (VBI) lines in the TV signal from various... | 08/04/1998 |
| 5790935 | Virtual on-demand digital information delivery system and method A digital information system delivers virtual on-demand information over existing, as well as the next generation, digital transport systems by offloading a portion of the systems' peak bandwidth requirements to the local subscribers. A collaborative filt... | 08/04/1998 |
| 5781231 | Real-time parameter adjustment of digitally synthesized video test signals A digital test signal generator that provides for real-time parameter adjustment of digitally synthesized video test signals has a pair of test signal memories coupled one at a time via address and data multiplexers to a test signal synthesizer. Also coup... | 07/14/1998 |
| 5777693 | Diversity receiving apparatus for a mobile unit In a first diversity receiving apparatus, during an antenna selection operation, one of antennas are selected such that each of antennas successively connected to a receiver for consecutive horizontal retrace periods but for horizontal scanning periods fo... | 07/07/1998 |
| 5777589 | Color display system with spatial light modulator(s) having color-to-color variations in data sequencing Methods of reducing artifacts in SLM-based display systems (10, 20), whose images are based on data displayed by bit-weight for pulse-width modulated intensity levels. A first method is suitable for systems (20) that use multiple SLMs (14) to concurrently... | 07/07/1998 |
| 5764281 | Password restriction of cable television channel using key input controller A password (PW) restriction apparatus for cable television (CT) channels having a downward receiving signal controller (DRSC) for receiving a downward receiving signal output from a cable television transmitting/receiving portion (CTTRP) and transmitting ... | 06/09/1998 |
| 5760843 | Method and apparatus for contrast processing a video signal including brightness level compensation A method and an apparatus performs contrast processing so that the contrast of a video signal displayed on a low contrast display device is improved. The apparatus and method prevent the picture from becoming whitish and from having its apparent contrast ... | 06/02/1998 |
| 5757438 | Apparatus for compensating for image display characteristics An image compensation system and methods for video appliances to reproduce an optimum image, by judging exterior environment and by compensating for an original image by the judged exterior environment. According to the system and methods, a color sensor ... | 05/26/1998 |
| 5758259 | Automated selective programming guide This method includes a method of identifying for a selected viewer a preferred program available from an interactive television or televideo (IT) system at a selected time. The IT system establishes for each viewer a database or table of viewer preference... | 05/26/1998 |
| 5757439 | Method for detecting color burst signal amplitude for chrominance signal level control and an apparatus therefor A method for detecting color burst signal amplitude of a composite color image signal for use in an automatic color control circuit includes the steps of separating the burst signal loaded on the chrominance signal into first and second chrominance refere... | 05/26/1998 |
| 5754095 | Tone generating circuit A tone generating circuit for delivering power to a speaker modulated fourth harmonic audio square wave signal by its fundamental to produce a modulated audio signal within a selected frequency range. The tone generating circuit may be incorporated in a p... | 05/19/1998 |
| 5754941 | Point-to-multipoint broadband services drop with multiple time slot return channel for customer premises equipment served by fiber optic telecommunication system employing STS-based transmission format containing asynchronous transfer mode cells A broadband fiber optic communication system conveys telecommunication messages over a fiber optic link between a master site and one or more remote sites. The remote sites are coupled over an unshielded twisted pair-configured, communication link to an o... | 05/19/1998 |
| 5748251 | Apparatus with a built-in teletext broadcasting decoder and teletext display adjustment apparatus In an apparatus such as a television set with a built-in teletext broadcasting decoder which displays character data multiplexed with a video signal on the display screen in such a manner that the character data is superposed on the image formed by the vi... | 05/05/1998 |
| 5748250 | Video display system with digital de-interlacing A line generator (31) for receiving fields of pixel data sampled from a video input signal and for generating additional lines of pixel data so that the display frames will have more lines than the fields. The line generator (31) has a motion detector (31... | 05/05/1998 |
| 5748261 | Video receiver user channel selection control of an RF modulator A satellite video receiver (12) for providing output signals to a television signal receiver (52) includes apparatus (10, 15, 16, 20, 45, 60, 65, 70) for operator selection of the modulator output channel frequency of the satellite receiver. The operator ... | 05/05/1998 |
| 5745837 | Apparatus and method for digital data transmission over a CATV system using an ATM transport protocol and SCDMA A method and apparatus for carrying an ATM communication protocol on a hybrid fiber coax CATV system. Point to point communication is supported by use of synchronous code division multiplexing on the physical and by assigning on the MAC layer one or more ... | 04/28/1998 |
| 5745191 | Switching degaussing circuit for television set An improved degaussing circuit for a television set capable of preventing color blurring phenomenon and picture quality deterioration by degaussing television set of which its picture quality is affected by an external magnetic field at the time of turnin... | 04/28/1998 |
| 5742348 | Spatial frequency adaptive field--interpolation method and apparatus therefor In interpolation lines having plural angles passing through an attentional pixel on a scanning line in one field to be interpolated having pixels on an upper scanning line placed over the attentional pixel and pixels on a lower scanning line placed under ... | 04/21/1998 |
| 5737532 | System and technique for accessing stored audio and visual information from a database A method and system for providing video on demand from a database of textual information. In accordance with the inventive method, video data is stored on an addressable medium. The addresses for video segments are stored for retrieval when corresponding ... | 04/07/1998 |
| 5737038 | Color display system with spatial light modulator(s) having color-to-color variations in the data bit weight sequence Methods of reducing artifacts in SLM-based display systems (10, 20), whose images are based on data displayed by bit-weight for pulse-width modulated intensity levels. A first method is suitable for systems (20) that use multiple SLMs (14) to concurrently... | 04/07/1998 |
| 5734445 | Current generating system for remote control devices A hand held remote controller for operating an electronic device from a distance having its own self-contained source of electric current. The remote controller has a mechanical energy source for operating an a.c. voltage generator, a d.c. voltage convert... | 03/31/1998 |
| 5734439 | Circuit arrangement for indicating ambient light conditions of a video pickup and video display device Users of video telephones or multimedia terminals cannot determine whether ambient light conditions during a transmission to another terminal are always of good quality. Provision is made for an indication regarding the ambient light conditions during a t... | 03/31/1998 |
| 5731844 | Television scheduling system for displaying a grid representing scheduled layout and selecting a programming parameter for display or recording A computer method and system for providing a user with efficient selection of a television program to view or record. The method provides concurrent display of a television schedule with a graphic description and a textual description of the television pr... | 03/24/1998 |
| 5732217 | Video-on-demand system capable of performing a high-speed playback at a correct speed A video server apparatus is provided with a stream control section which determines a keyframe readout interval and a keyframe playback interval that satisfy a playback speed designated by a terminal apparatus. The video server apparatus transmits data of... | 03/24/1998 |
| 5731841 | High performance data tuner for video systems A tuner specifically adapted for recovery of a data signal injected into a video signal and then subsequently transmitted over a television channel or cable is disclosed. The tuner includes an IF local oscillator that is phase locked to the input signal s... | 03/24/1998 |
| 5729281 | Catv system in which chanel selection signal is transmitted from the subscriber location A center station 1 generates an all-channel signal 2 obtained by multiplexing signals on all channels, and transmits the signals to a selective distribution station 10 through 1 wire transmission line such as an optical fiber. Subscribers' transmitting de... | 03/17/1998 |
| 5729296 | Bi-directional television format digital signal converter with improved luminance signal-to-noise ratio which changes the number of bits per byte A television signal format converter is provided for converting without loss of picture information a television format to or from a given recorder/player format. An interface converts between RGB and luminance/chrominance inputs and between analog and di... | 03/17/1998 |
| 5729298 | Teletext decoder with page update indication A television receiver including a teletext decoder for receiving and displaying teletext pages for signalling that a requested teletext has been changed or not changed with respect to the previous consultation of the relevant page. To this end the receive... | 03/17/1998 |
| 5729280 | Near video-on-demand signal receiver having a memory which provides for VCR like functions A video signal receiver receives a plurality of video channels simultaneously carrying, offset by a transmission interval, a single video program, selects one channel from which to obtain the program for display to a user, and achieves a pause function in... | 03/17/1998 |
| 5726718 | Error diffusion filter for DMD display A DMD display system includes an inverse gamma look-up-table (50) for converting raster scanned, gamma corrected video data of 8 bits to 12 bits inverse gamma data with 8 most significant bits (msb) and 4 least significant bits (lsb). The 8 msb are couple... | 03/10/1998 |
| 5724091 | Compressed digital data interactive program system An interactive cable television system is disclosed which utilizes a standard cable television distribution network for simultaneously providing a plurality of viewers with an interactive television program comprising a plurality of signals related in tim... | 03/03/1998 |
| 5721583 | Interactive television system for implementing electronic polling or providing user-requested services based on identification of users or of remote control apparatuses which are employed by respective users to communicate with the system An interactive television system which can provide services such as entertainment programs to users or conduct electronic polls of users, formed of a central computer installation, a plurality of terminal apparatuses each bidirectionally communicating wit... | 02/24/1998 |
| 5720037 | Multimedia on-demand server A multimedia on-demand server including a randomly accessible library of multimedia programs (such as movies stored on magnetic or optical disks), a limited amount of RAM to buffer and store selected portions of programs retrieved from the library, and an... | 02/17/1998 |
| 5715012 | Radio receivers for receiving both VSB and QAM digital HDTV signals A radio receiver for receiving a selected digital HDTV signal, irrespective of whether it is a quadrature-amplitude-modulation (QAM) or a vestigial sideband (VSB) signal, using the same tuner. The tuner supplies a final IF signal in a 6 MHz frequency band... | 02/03/1998 |
| 5712659 | Apparatus and method for adjusting contrast of R,G,B signals The video signal data of one of the three primary color signals having the maximum level is adjusted with regard to the amplitude level and the DC level thereof in accordance with a predetermined control data. A difference between the adjusted video signa... | 01/27/1998 |
| 5710970 | Broadcast video burst transmission cyclic distribution method An apparatus and method for broadcast burst transmission of compressed audio/video programs from a stored library to a multiplicity of subscribers. The stored programs are burst transmitted repeatedly in a predetermined sequence of entire programs or segm... | 01/20/1998 |
