Patents for H04N 7 - Television systems (274,023) |
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11/19/1997 | EP0807356A1 Video signal processing |
11/19/1997 | EP0807355A1 A low-power, multi-function cellular television system |
11/19/1997 | EP0807354A1 Process and circuitry for acquiring digital data contained in a video signal |
11/19/1997 | EP0807343A1 Device for channel conditioning of television signals received in particular via satellite |
11/19/1997 | EP0787401A4 Trick play stream derivation for pre-recorded digital video recording |
11/19/1997 | EP0723731A4 Information service control point |
11/19/1997 | EP0702816A4 Electronic program guide and text channel data controller |
11/19/1997 | EP0696404B1 Differential coding and decoding method and related circuits |
11/19/1997 | EP0553361B1 Image data compression apparatus |
11/19/1997 | EP0548205B1 Reception of orthogonal frequency division multiplexed signals |
11/19/1997 | CN1165607A Hybrid waveform and model-based encoding and decoding of image signals |
11/19/1997 | CN1165606A Method and device for transmitting and receiving teletext pages |
11/19/1997 | CN1165605A Method and device for transmitting and receiving teletext data |
11/19/1997 | CN1165604A Receiver, information storage and TV. receiver and information transmission and storage method |
11/19/1997 | CN1165457A Quantizer for video signal encoding system |
11/19/1997 | CN1165456A Method and apparatus for generating chrominance shape information of video object plane in video signal |
11/19/1997 | CN1165455A Method and apparatus for encoding image signal having object by using shape thereof |
11/19/1997 | CN1165454A Cable television system and terminal device for cable television system |
11/18/1997 | US5689800 In a source computer |
11/18/1997 | US5689799 Method and apparatus for routing confidential information |
11/18/1997 | US5689648 Method and apparatus for publication of information |
11/18/1997 | US5689641 Multimedia collaboration system arrangement for routing compressed AV signal through a participant site without decompressing the AV signal |
11/18/1997 | US5689612 Image signal processing device |
11/18/1997 | US5689611 Panorama image producing method and apparatus |
11/18/1997 | US5689591 Apparatus and method for noncausal, predictive, digital image compression |
11/18/1997 | US5689589 Data compression for palettized video images |
11/18/1997 | US5689588 Method and apparatus for increasing compressibility of multibit image data with the LSB value determined in the thresholding operation based on pixel position |
11/18/1997 | US5689569 Method and device for the utilization of electrical signals |
11/18/1997 | US5689562 Method for transmitting superimposed image data in a radio frequency communication system |
11/18/1997 | US5689559 Copy prevention method and apparatus of a digital magnetic recording/reproducing system |
11/18/1997 | US5689553 Multimedia telecommunications network and service |
11/18/1997 | US5689509 Apparatus and method for packetizing and segmenting MPEG packets |
11/18/1997 | US5689507 Signal processing system |
11/18/1997 | US5689438 Audio bit stream generator for high definition television utilizing personal computer, and control method therefor |
11/18/1997 | US5689436 Apparatus for compressing and decompressing video signal |
11/18/1997 | US5689356 System and method for minimizing nonlinear distortion in optical communication systems employing laser intensity modulation |
11/18/1997 | US5689346 Image data processing system |
11/18/1997 | US5689313 Buffer management in an image formatter |
11/18/1997 | US5689312 Block matching motion estimation method |
11/18/1997 | US5689307 Encoding and decoding systems for transmitting moving pictures |
11/18/1997 | US5689306 Method and apparatus for encoding a video signal using pixel-by-pixel motion prediction |
11/18/1997 | US5689305 System for deinterlacing digitally compressed video and method |
11/18/1997 | US5689304 Indoor/outdoor surveillance housing |
11/18/1997 | US5689301 Method and apparatus for identifying video fields produced by film sources |
11/18/1997 | US5689300 Picture codec and teleconference terminal equipment |
11/18/1997 | US5689299 Picture distribution method and device comprising copying of picture information from a first file to plural second files |
11/18/1997 | US5689298 Method and apparatus for multiple readout of digital video data with faster playback mode switching |
11/18/1997 | US5689254 Decoding circuit for runlength codes |
11/18/1997 | US5689249 Off-lane alarm apparatus |
11/18/1997 | US5689081 Network karaoke system of broadcast type having supplementary communication channel |
11/18/1997 | US5687943 Apparatus for supporting a video camera and cable above a work surface |
11/18/1997 | CA2119715C Video telephone station having variable image clarity |
11/18/1997 | CA2058162C Method and apparatus for disabling anti-copy protection system in video signals using pulse narrowing |
11/18/1997 | CA1339549C2 Video encoding transmission apparatus |
11/18/1997 | CA1339548C2 Video encoding transmision appartus |
11/13/1997 | WO1997042767A1 Process for quantization and a process for inverse quantization of transform coding coefficients of a video data stream |
11/13/1997 | WO1997042766A1 Segmented video coding and decoding method and system |
11/13/1997 | WO1997042764A1 Abnormality detection and surveillance system |
11/13/1997 | WO1997042763A1 Information system |
11/13/1997 | WO1997042762A2 Security device managed access to information |
11/13/1997 | WO1997042761A1 Videophone system |
11/13/1997 | WO1997042760A1 Differential order video encoding system |
11/13/1997 | WO1997042759A1 Tv ratings system for blocking channels |
11/13/1997 | WO1997042742A2 Transmission of a digital information signal having a specific first sampling frequency |
11/13/1997 | WO1997042734A1 Method and system for transmitting data |
11/13/1997 | WO1997042731A1 System and method for high-speed skew-insensitive multi-channel data transmission |
11/13/1997 | WO1997042601A1 Integrated interactive multimedia process |
11/13/1997 | WO1997042593A1 Video transcoding with interim encoding format |
11/13/1997 | WO1997042582A1 Multicasting method and apparatus |
11/13/1997 | WO1997034410A3 Network based multimedia messaging method for non-ccitt compliant switches |
11/13/1997 | DE19718945A1 Upstream interference isolating filter for bidirectional cable system |
11/13/1997 | DE19618242A1 Videophone subscriber apparatus with attachment disc |
11/13/1997 | DE19615537A1 Surveillance system especially for motor and sailing boats |
11/13/1997 | CA2776347A1 Information system |
11/13/1997 | CA2731360A1 Methods and systems for playing media |
11/12/1997 | EP0806874A2 Error detection and recovery for high rate isochronous data in MPEG-2 data streams |
11/12/1997 | EP0806873A2 Multiplex transmission method and system, and audio jitter absorbing method used therein |
11/12/1997 | EP0806872A2 Video signal encoding apparatus using a block shuffling technique |
11/12/1997 | EP0806871A2 Method and apparatus for generating chrominance shape information of a video object plane in a video signal |
11/12/1997 | EP0806870A2 Image encoding using object shape information |
11/12/1997 | EP0806869A2 Satellite communications multi-point video transmit system |
11/12/1997 | EP0806868A2 Recording medium |
11/12/1997 | EP0806866A2 Evaluation apparatus and method usable in motion vector detecting apparatus |
11/12/1997 | EP0806742A1 Adaptive contour coding |
11/12/1997 | EP0806741A2 Texture classification apparatus employing coarseness and directivity of patterns |
11/12/1997 | EP0806116A1 Selective interdiction of television channels |
11/12/1997 | EP0806115A1 Teleconferencing method and system |
11/12/1997 | EP0806114A1 System and method for selectively distributing commercial messages over a communications network |
11/12/1997 | EP0806113A1 Transmission of data items |
11/12/1997 | EP0806112A1 Electronic television program guide schedule system and method with display and search of program with alphabetical title listings |
11/12/1997 | EP0806111A1 Method and apparatus for displaying television programs and related text |
11/12/1997 | EP0806108A1 Battery-operated thermal imaging device with safety battery compartment |
11/12/1997 | EP0806105A1 Teleconference system at telecommunications system, method for establishing of teleconference and teleconference equipment for use in a teleconference system |
11/12/1997 | EP0806028A1 Real time decompression and post-decompress manipulation |
11/12/1997 | EP0630547B1 Picture data encoding method |
11/12/1997 | EP0587680B1 Method and apparatus for detecting a sequence of clock reference pulses |
11/12/1997 | CN1164949A Peripheral video conferencing system |
11/12/1997 | CN1164948A Transmission of menus to receiver |
11/12/1997 | CN1164947A Transmission of an electronic database of information |
11/12/1997 | CN1164803A Method for enhancing image using quantized mean-separate histogram equalization and circuit therefor |