Patents for H04N 7 - Television systems (274,023)
05/1998
05/12/1998US5751772 Method for locating a channel in a communication system
05/12/1998US5751771 Waveform data compression apparatus and waveform data expansion apparatus
05/12/1998US5751743 Information transmission method and apparatus
05/12/1998US5751722 Method of displaying a frozen image when transmission of image information is suspended in a multimedia system
05/12/1998US5751721 System for adjusting timing of output data in response to potential discontinuities in a timing signal
05/12/1998US5751707 AIN interaction through wireless digital video network
05/12/1998US5751700 Communication terminal apparatus
05/12/1998US5751694 Methods and apparatus for synchronizing temporally related data streams
05/12/1998US5751693 Cellular digital signaling
05/12/1998US5751445 Image transmission system and terminal device
05/12/1998US5751378 Scene change detector for digital video
05/12/1998US5751377 Picture coding apparatus and decoding apparatus
05/12/1998US5751375 Processing of pixel data at an operating frequency higher than the sampling rate of the input signal
05/12/1998US5751374 Processing of pixel data according to different broadcasting systems
05/12/1998US5751366 Inclusion of audio signal within video signal
05/12/1998US5751365 Motion compensated inter-frame prediction method and apparatus using motion vector interpolation with adaptive representation point addition
05/12/1998US5751364 Method of and apparatus for detecting a motion of image information, method of and apparatus for encoding image information, image information transmitting system, image information recording system and recording medium
05/12/1998US5751363 System and method for coding and/or decoding image-adaptive split region of motion picture
05/12/1998US5751362 Apparatus for encoding a video signal using feature point based motion estimation
05/12/1998US5751361 Method and apparatus for correcting errors in a transmitted video signal
05/12/1998US5751360 Code amount controlling method for coded pictures
05/12/1998US5751359 Method for quantizing compressed video signals
05/12/1998US5751358 Video encoder with quantization controlled by inter-picture correlation
05/12/1998US5751357 Method and arrangement for coding and decoding a video data stream for all picture elements of the video data stream
05/12/1998US5751356 Video/audio signal coding system and method
05/12/1998US5751346 Image retention and information security system
05/12/1998US5751345 Image retention and information security system
05/12/1998US5751344 Navigation system for a marine vessel in low light conditions
05/12/1998US5751342 Visual inspection system for a product
05/12/1998US5751339 Television conversation/monitoring system changing transmission capacity responsive to state change in remote location
05/12/1998US5751338 Methods and systems for multimedia communications via public telephone networks
05/12/1998US5751337 Teleconferencing method and system for providing face-to-face, non-animated teleconference environment
05/12/1998US5751336 Permutation based pyramid block transmission scheme for broadcasting in video-on-demand storage systems
05/12/1998US5751335 Viewing restricting method and viewing restricting apparatus
05/12/1998US5751296 Video presentation system
05/12/1998US5751282 System and method for calling video on demand using an electronic programming guide
05/12/1998US5751281 Apparatus and method for storing a movie within a movie
05/12/1998US5751280 System and method for media stream synchronization with a base atom index file and an auxiliary atom index file
05/12/1998US5751233 Decoding apparatus and method therefor
05/12/1998US5751232 High-efficiency encoding apparatus and high-efficiency decoding apparatus
05/12/1998US5749735 Interactive book, magazine and audio/video compact disk box
05/12/1998CA2220587A1 Hot areas in interactive movies
05/07/1998WO1998019463A1 A method and circuitry for compressing and decompressing digital video data
05/07/1998WO1998019462A1 Image encoder and image decoder
05/07/1998WO1998019460A1 A transcoder
05/07/1998WO1998019459A1 Method and apparatus for managing personal identification numbers in an interactive information distribution system
05/07/1998WO1998019458A1 Video conference equipment
05/07/1998WO1998019457A1 Transmitter and receiver circuits for transmission of voice, data and video signals for extended distances
05/07/1998WO1998019456A1 Television receiver
05/07/1998WO1998019450A2 Intelligent video information management system
05/07/1998WO1998019435A2 Microdisplay for portable communication device
05/07/1998WO1998019274A1 Image encoding
05/07/1998WO1998019273A1 Image transmission
05/07/1998WO1998019263A1 Data distribution system
05/07/1998DE19746541A1 Data transmission stations especially for CATV system
05/07/1998DE19645724C1 Input signal differential pulse code modulation DPCM encoding method
05/07/1998DE19644735A1 Entryphone system e.g. for building with several flats
05/07/1998CA2270217A1 Data distribution system
05/07/1998CA2269836A1 Video conference equipment
05/07/1998CA2268123A1 Microdisplay for portable communication system
05/06/1998EP0840522A2 Improvements in or relating to image display systems
05/06/1998EP0840521A2 Radio-communication video terminal device
05/06/1998EP0840520A2 Circuitry for identifying packets of digital data
05/06/1998EP0840519A2 Apparatus and method of coding/decoding moving pictures
05/06/1998EP0840518A2 MPEG transport stream parser system
05/06/1998EP0840517A2 Video data stream decoding method and apparatus
05/06/1998EP0840516A2 Apparatus and method for predictive coding and decoding
05/06/1998EP0840515A2 Video data coding method and apparatus
05/06/1998EP0840514A1 Method and apparatus for prefiltering of video images
05/06/1998EP0840513A2 Digital data watermarking
05/06/1998EP0840512A2 Integrated audio/video circuitry
05/06/1998EP0840511A1 Television channel selection monitoring apparatus
05/06/1998EP0840510A1 Picture encoder, picture decoder, picture encoding method, picture decoding method, picture encoding program recording medium, and picture decoding program recording medium
05/06/1998EP0840509A2 System and method for accessing data files in a computer network
05/06/1998EP0840508A1 Method and apparatus for encoding and decoding image information
05/06/1998EP0840507A1 Control of image duplication
05/06/1998EP0840505A2 System to multiplex and blend graphics OSD and motion video pictures for digital television
05/06/1998EP0840477A2 Secret key transfer method which is highly secure and can restrict the damage caused when the secret key is leaked or decoded
05/06/1998EP0840277A2 Window processing in an on screen display system
05/06/1998EP0840276A2 Window processing in an on screen display system
05/06/1998EP0840200A2 Interactive desktop system with adjustable image display
05/06/1998EP0840199A2 Screen-based interface for interactive desktop system
05/06/1998EP0839434A2 Method of transmitting atm digital programme unit signals, in particular digital data-compressed video distribution signals
05/06/1998EP0839430A1 Video compression system
05/06/1998EP0839428A1 Reconfigurable on-demand telephone and data line system
05/06/1998EP0839374A1 Method and system to replace sections of an encoded video bitstream
05/06/1998EP0839347A1 Position determination of a laser pointer in a projection display system
05/06/1998CN1181168A Billing and service apparatus in telecommunication network for providing value added services
05/06/1998CN1180975A Apparatus for synchronously reproducing multi-angle data
05/06/1998CN1180973A Hypertext markup language protocol for television display and control
05/06/1998CN1180966A Method and apparatus for access level control in metropolitan area network
05/06/1998CN1038291C Apparatus and method for fast changeover in duplex system
05/05/1998US5749043 System and method for estimating characteristics of broadcast radio audiences
05/05/1998US5748913 Computer system capable of transferring video data between card devices
05/05/1998US5748903 Encoding images using decode rate control
05/05/1998US5748871 Dual bus architecture for a storage device
05/05/1998US5748842 Synchronizing digital audio to digital video
05/05/1998US5748795 Image decoder using adjustable filtering
05/05/1998US5748793 Quick image processor of reduced circuit scale with high image quality and high efficiency
05/05/1998US5748789 Transparent block skipping in object-based video coding systems