Patents for H04N 7 - Television systems (274,023)
01/1997
01/14/1997US5594936 Global digital video news distribution system
01/14/1997US5594935 Interactive image display system of wide angle images comprising an accounting system
01/14/1997US5594924 Multiple user multimedia data server with switch to load time interval interleaved data to plurality of time interval assigned buffers
01/14/1997US5594859 Graphical user interface for video teleconferencing
01/14/1997US5594844 Three dimensional view using ray tracing through voxels subdivided numerically using object based parameters
01/14/1997US5594813 Programmable architecture and methods for motion estimation
01/14/1997US5594812 Apparatus and method for compressing still images
01/14/1997US5594794 For providing video services to consumers via an information network
01/14/1997US5594789 Transaction implementation in video dial tone network
01/14/1997US5594736 Image-information storage regenerating device
01/14/1997US5594730 Data distribution system and methods for its use
01/14/1997US5594726 Frequency agile broadband communications system
01/14/1997US5594725 Process and system for video rate control in a multipoint video conference
01/14/1997US5594679 Adaptive video signal processing apparatus
01/14/1997US5594678 Method and arrangement for transformation of signals from a frequency to a time domain
01/14/1997US5594660 Programmable audio-video synchronization method and apparatus for multimedia systems
01/14/1997US5594554 Image compression coder having improved scale factor control
01/14/1997US5594552 Apparatus and method for producing downwards compatible video signals with increased vertical resolution, and apparatus for reproducing and displaying same
01/14/1997US5594550 Digital signal recording apparatus for recording digital data comprising a plurality of recording blocks
01/14/1997US5594509 Method and apparatus for audio-visual interface for the display of multiple levels of information on a display
01/14/1997US5594507 Compressed digital overlay controller and method for MPEG type video signal
01/14/1997US5594504 Predictive video coding using a motion vector updating routine
01/14/1997US5594503 Image information compressing method, compressed image information recording medium and compressed image information reproducing apparatus
01/14/1997US5594499 Apparatus for producing a video signal in the common intermediate format (CIF)
01/14/1997US5594498 Personal audio/video surveillance system
01/14/1997US5594497 For viewing a scene
01/14/1997US5594495 Video data scaling for video teleconferencing workstations communicating by digital data network
01/14/1997US5594494 Moving picture coding apparatus
01/14/1997US5594493 Television signal activated interactive smart card system
01/14/1997US5594492 Method and apparatus for rapid channel selection
01/14/1997US5594491 Near-video-on-demand digital video distribution system utilizing asymmetric digital subscriber lines
01/14/1997US5594490 System for distributing video/audio files from central location to a plurality of cable headends
01/14/1997CA2055046C Adaptive non-linear quantizer
01/14/1997CA2054593C Hdtv receiver
01/12/1997CA2180904A1 Three-dimensional virtual reality space sharing method, a three-dimensional virtual reality space sharing system, an information recording medium, an information recording method,an information transmission medium, an information transmission method, an information processing method, and a shared server terminal
01/11/1997CA2180752A1 Service for transmitting a video film
01/11/1997CA2177866A1 Automatic face and facial feature location detection for low bit rate model-assisted h.261 compatible coding of video
01/09/1997WO1997001247A1 Process for producing and evaluating a video data stream for video transmission
01/09/1997WO1997001246A1 Concealed integrated vehicular camera safety system
01/09/1997WO1997001245A1 A three-dimensional (3d) video presentation system providing interactive 3d presentation with personalized audio responses for multiple viewers
01/09/1997WO1997001244A1 Method and apparatus for providing access to a large number of communications channels via a relatively narrow bandwidth conduit
01/09/1997WO1997001243A1 Method of broadcasting television programmes with simultaneous interpretation
01/09/1997WO1997001241A1 Method and apparatus for creating spherical images
01/09/1997WO1997001236A1 Hybrid fiber coax communications system
01/09/1997WO1997001135A2 Method and system for image combination using a parallax-based technique
01/09/1997WO1996034492A3 Data slicer
01/09/1997WO1996032807A3 Method and structure for performing motion estimation using reduced precision pixel intensity values
01/09/1997DE19626615A1 Verfahren und Apparat zur Kompression, das bzw. der reversible Wavelet-Transformationen und einen eingebetteten Kodestrom verwendet Method and apparatus for compression, used or reversible wavelet transforms and an embedded codestream
01/09/1997DE19626600A1 Reversible-Wavelet-Transformationen und eingebettete Kodestrom-Manipulation Reversible wavelet transforms and embedded codestream manipulation
01/09/1997DE19603811C1 Verfahren zur Codierungstransformation von mindestens einem binär dargestellten Wert durch einen Rechner A method for coding transform of at least a value binarized by a computer
01/09/1997CA2225400A1 Method and system for image combination using a parallax-based technique
01/08/1997EP0752802A2 An apparatus and method for packetizing and segmenting MPEG packets
01/08/1997EP0752789A2 Method, encoder and decoder for re-synchronisation in an erroneous video data stream
01/08/1997EP0752788A2 Video coder and decoder
01/08/1997EP0752787A1 Method and device for program distribution
01/08/1997EP0752786A1 Apparatus and method for authenticating transmitted applications in an interactive information system
01/08/1997EP0752767A2 Signal processing apparatus and methods
01/08/1997EP0752705A2 Method of and apparatus for recording information on record medium, and apparatus for reproducing the same
01/08/1997EP0752663A1 Copyright control system
01/08/1997EP0752186A1 Video signal coding
01/08/1997EP0752185A1 Carrier recovery system for a vestigial sideband signal
01/08/1997EP0752182A1 Method and system for controlling access to a channel
01/08/1997EP0752173A1 Blind equalizer for a vestigial sideband signal
01/08/1997EP0752172A1 Carrier independent timing recovery system for a vestigial sideband modulated signal
01/08/1997EP0752141A1 Method and apparatus for estimating motion
01/08/1997EP0504428B1 Noise reducing apparatus
01/08/1997EP0372035B1 Dynamic callback technique
01/08/1997CN1140003A Method and apparatus for adaptive encoding/decoding
01/08/1997CN1139864A Digital video image record/replay method and device thereof
01/08/1997CN1139862A Method and device for test and contour image correction
01/08/1997CN1139861A Length changeable code and segment and device
01/08/1997CN1139860A Coding and/or decoding device and method for information data
01/08/1997CN1139849A Code converter for multi-signal multi-encoder
01/08/1997CN1139791A Method for recording data
01/08/1997CN1139788A System for providing information
01/08/1997CN1033786C Comb filter system for video signal
01/08/1997CN1033784C Optimum amplitude and frequency of jamming carrier in interdiction program denial system
01/08/1997CN1033783C Apparatus for synchronizing main and uaxiliary video signals
01/08/1997CN1033782C Progressive scan television system using luminance low frequencies from previous field
01/08/1997CN1033768C Method of displaying traffic jam diagram by television
01/08/1997CA2180678A1 Interpixel and interframe interpolation of television pictures with conversion from interlaced to progressive scanning
01/07/1997US5592639 Device and method for writing in a storage device of the queue type
01/07/1997US5592612 Method and apparatus for supplying data streams
01/07/1997US5592569 Method for encoding and decoding images
01/07/1997US5592567 Method for detecting and separating the shadow of moving objects in a sequence of digital images
01/07/1997US5592563 Imaging of 3-dimensional objects
01/07/1997US5592551 Method and apparatus for providing interactive electronic programming guide
01/07/1997US5592547 Processing audio signals using a discrete state machine
01/07/1997US5592540 Method and apparatus for selectively delivering telephony signals on a hybrid coaxial cable network
01/07/1997US5592491 Two-way communication network
01/07/1997US5592482 Video distribution system using in-wall wiring
01/07/1997US5592450 Method for reproducing compressed information data from a disk using a spatial frequency less than the track pitch
01/07/1997US5592321 Apparatus for selective routing of information signals
01/07/1997US5592302 Coding method for coding pixel blocks and apparatus therefor
01/07/1997US5592300 Method and apparatus for using programming signals for automatic time settings
01/07/1997US5592299 Method and apparatus for reducing the amount of data required to represent a video frame
01/07/1997US5592237 High resolution image processor with multiple bus architecture
01/07/1997US5592235 Terrestrial/cable broadcasting signal receiver for HDTV
01/07/1997US5592231 Motion adaptive scan-rate conversion using directional edge interpolation
01/07/1997US5592230 High definition television receiver