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