Patents for H04N 7 - Television systems (274,023) |
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06/10/1997 | US5638127 Adaptive blocking image signal coding system |
06/10/1997 | US5638126 Method and apparatus for deciding quantization parameter |
06/10/1997 | US5638125 Quantization step size control apparatus using neural networks |
06/10/1997 | US5638124 Video signal processing apparatus having an image inserting and extracting circuit for inserting an image into or extracting an image from video signal based on a detected result of a motion detecting circuit |
06/10/1997 | US5638116 Object recognition apparatus and method |
06/10/1997 | US5638114 Multi-location control apparatus, television conference terminal unit, and multi-location television conference system |
06/10/1997 | US5638113 Transaction based interactive television system |
06/10/1997 | US5638069 High throughput variable length decoder and apparatus comprising such decoder |
06/10/1997 | US5638068 Processing images using two-dimensional forward transforms |
06/10/1997 | US5638063 Code modulation method, code demodulation method, and code detection method |
06/10/1997 | US5638035 Coaxial cable distribution network having a reversible directional coupler |
06/10/1997 | CA2092841C Bidirectional video telephony between cable television and switched telephone systems |
06/10/1997 | CA2092839C Video telephony dialing |
06/10/1997 | CA2047320C Television signal transmission processing apparatus and reception processing apparatus |
06/05/1997 | WO1997020433A1 Methods and apparatus for traffic incident detection |
06/05/1997 | WO1997020432A1 Home communications terminal having an applications module |
06/05/1997 | WO1997020431A1 Method and device for loading a user interface |
06/05/1997 | WO1997020430A1 Method and apparatus for multiple access over randomized slots with collision detection in a cable telephony system |
06/05/1997 | WO1997020413A1 Packet switching system using telephonic and satellite transmission |
06/05/1997 | WO1997020407A1 Method and apparatus for assigning communications channels in a cable telephony system |
06/05/1997 | DE19650096A1 Satellite radio receiver tuner |
06/05/1997 | DE19646215A1 Video data playback stop and recording device |
06/05/1997 | DE19645969A1 Wide-screen television receiver with picture tube and deflection unit |
06/05/1997 | DE19544582A1 Transmission of additional information in unused lines of video signal |
06/05/1997 | DE19543755A1 Stepper multiswitch for satellite receiver |
06/04/1997 | EP0777392A2 Information storage control method |
06/04/1997 | EP0777388A2 Video encoder and decoder with noise reduction |
06/04/1997 | EP0777387A2 Method and apparatus for encoding digital video signals |
06/04/1997 | EP0777386A2 Method and apparatus for encoding and decoding an image |
06/04/1997 | EP0777385A2 A method and apparatus for screening audio-visual materials presented to a subscriber |
06/04/1997 | EP0777384A2 Video conferencing |
06/04/1997 | EP0777383A1 Data communication device |
06/04/1997 | EP0777358A2 Method and apparatus for contention resolution in a broadband network |
06/04/1997 | EP0777349A2 Head end station for the reception of digital broadcast signals |
06/04/1997 | EP0777335A2 Satellite broadcast tuner capable of processing both QPSK modulation signal and FM signal |
06/04/1997 | EP0777228A2 Data storage/transfer apparatus and method |
06/04/1997 | EP0776574A1 Method, requiring reduced memory capacity, for decoding compressed video data |
06/04/1997 | EP0776573A1 A video security system |
06/04/1997 | EP0776570A2 Composing an image from sub-images |
06/04/1997 | EP0776559A1 System and method for inverse discrete cosine transform implementation |
06/04/1997 | EP0776499A1 Content-based haptic input device for video |
06/04/1997 | EP0573406B1 Program transmission optimisation |
06/04/1997 | EP0557310B1 Process for adaptive quantisation to reduce data in the transmission of digital images |
06/04/1997 | EP0532504B1 Cable television radio frequency data processor |
06/04/1997 | CN1151233A Conditional access information arrangement |
06/04/1997 | CN1151230A Scalable multimedia network |
06/04/1997 | CN1151081A Real-time image recording/producing method and apparatus and video library system |
06/04/1997 | CN1035094C Video memory system with field memory for motion adaptive compensation |
06/04/1997 | CN1035093C Video-frequency display system for displaying an interlaced scan and noninterlaced video signal |
06/03/1997 | US5636346 Method and system for selectively targeting advertisements and programming |
06/03/1997 | US5636296 Image analysis system |
06/03/1997 | US5636295 Apparatus for reducing quantization noise in image signals |
06/03/1997 | US5636293 Multiple module architecture for implementing full search block matching |
06/03/1997 | US5636292 Steganography methods employing embedded calibration data |
06/03/1997 | US5636279 Scramble apparatus and descramble apparatus |
06/03/1997 | US5636276 Device for the distribution of music information in digital form |
06/03/1997 | US5636252 Automatic gain control of radio receiver for receiving digital high-definition television signals |
06/03/1997 | US5636251 Receiver for a trellis coded digital television signal |
06/03/1997 | US5636250 Automatic VSB/QAM modulation recognition method and apparatus |
06/03/1997 | US5636218 Gateway system that relays data via a PBX to a computer connected to a pots and a computer connected to an extension telephone and a lanand a method for controlling same |
06/03/1997 | US5636209 Modem to support multiple site call conferenced data communications |
06/03/1997 | US5636186 Multiple audio channels recording and reproduction apparatus |
06/03/1997 | US5636141 Method and appartus for accumulating and supplying signals |
06/03/1997 | US5636139 Information service control point which retreives information as blocks of data |
06/03/1997 | US5636039 TV conference system and terminal equipment for use in the same |
06/03/1997 | US5636036 Interactive video system having frame recall dependent upon user input and current displayed image |
06/03/1997 | US5635994 In a video signal representing a video image |
06/03/1997 | US5635989 Method and apparatus for sorting and searching a television program guide |
06/03/1997 | US5635987 Method of an apparatus for displaying teletext information for a wide-screen television receiver |
06/03/1997 | US5635986 Method for encoding a contour of an object in a video signal by using a contour motion estimation technique |
06/03/1997 | US5635985 Low cost joint HD/SD television decoder methods and apparatus |
06/03/1997 | US5635982 System for automatic video segmentation and key frame extraction for video sequences having both sharp and gradual transitions |
06/03/1997 | US5635981 Visitor identification system |
06/03/1997 | US5635980 System and method for customer premises broadband interface with on-hook alerting |
06/03/1997 | US5635979 Dynamically programmable digital entertainment terminal using downloaded software to control broadband data operations |
06/03/1997 | US5635978 Electronic television program guide channel system and method |
06/03/1997 | US5635947 Eye movement tracking display |
06/03/1997 | US5635938 Quantizing and dequantizing circuit with reduced size |
06/03/1997 | US5635929 Low bit rate video encoder and decoder |
06/03/1997 | US5635881 Switched pedestal/aerial port coaxial cable distribution network |
06/03/1997 | US5635864 Comparator circuit |
06/03/1997 | US5634850 Image processing device and method |
06/03/1997 | US5634849 Content-on-demand interactive video method and apparatus |
06/03/1997 | US5634848 Video game system |
06/03/1997 | CA2119778C Audio processing system for teleconferencing system |
06/02/1997 | CA2543179A1 System for identifying a broadcast utilizing a network address |
05/31/1997 | CA2308021A1 Spherical viewing/projection apparatus |
05/29/1997 | WO1997019565A2 Set-top electronics and network interface unit |
05/29/1997 | WO1997019562A1 Method and apparatus for increasing channel utilization for digital video transmission |
05/29/1997 | WO1997019561A1 Method and apparatus for multiplexing video programs |
05/29/1997 | WO1997019560A1 Method and apparatus for multiplexing and distributing data with preformatted real-time video |
05/29/1997 | WO1997019559A1 Method and apparatus for modifying encoded digital video for improved channel utilization |
05/29/1997 | WO1997019558A1 Video surveillance apparatus and system |
05/29/1997 | WO1997019557A1 Frequency drift correction in subscriber terminals |
05/29/1997 | WO1997019556A1 Interactive television |
05/29/1997 | WO1997019555A1 Interactive special events video signal navigation system |
05/29/1997 | WO1997019554A1 Method and apparatus for recovering the clock of mpeg signals |
05/29/1997 | WO1997019553A1 Transmission of data items |
05/29/1997 | WO1997019552A2 Method and apparatus for implementing playback features for compressed video data |
05/29/1997 | WO1997019532A1 Method for avoiding interference in a cable telephony system |