Patents for H04N 7 - Television systems (274,023)
05/1996
05/15/1996CN1122550A Method and device for multi-format television
05/15/1996CN1122549A Apparatus for processing BPSK signals transmitted with NTSC TV on quadrature-phase video carrier
05/15/1996CN1122501A Optical disk and method of playback
05/15/1996CN1122480A Frame sampling scheme for video scanning in a video-on-demand system
05/15/1996CA2551205A1 Apparatus and method for transmitting, recording and reproducing digital data
05/15/1996CA2162549A1 Tranmission recording and reproduction of digital data and time information in transport packets using a compression ratio
05/14/1996US5517612 Device for scaling real-time image frames in multi-media workstations
05/14/1996US5517588 Digital data conversion equipment and a method for the same
05/14/1996US5517583 Image encoding method and apparatus
05/14/1996US5517581 Perceptually-adapted image coding system
05/14/1996US5517502 Upstream transmission using multiple transmission tags and downstream acknowledgements in conditional access packets
05/14/1996US5517368 Digital transmission signal processing system and recording/reproducing system
05/14/1996US5517327 Data processor for image data using orthogonal transformation
05/14/1996US5517257 Video control user interface for interactive television systems and method for controlling display of a video movie
05/14/1996US5517254 Program table displaying apparatus
05/14/1996US5517252 Device for reproducing picture signals in letter-box format
05/14/1996US5517251 Acquisition of video images simultaneously with analog signals
05/14/1996US5517250 Acquisition of desired data from a packetized data stream and synchronization thereto
05/14/1996US5517249 Auxiliary video data slicer with adaptive slicing level capability
05/14/1996US5517248 Frame-frequency converting apparatus for a video signal resulting from 2-3 conversion of original picture information
05/14/1996US5517247 Method and apparatus for converting a video input signal of progressive scan form to an interlaced video output signal of doubled field rate and employing progressive scan to progressive scan interpolation for reduction of visual artifacts
05/14/1996US5517246 Image processing apparatus and method, and system thereof
05/14/1996US5517245 High efficiency encoding and/or decoding apparatus
05/14/1996US5517236 Video surveillance system
05/14/1996US5517235 Method and apparatus for inspecting printed circuit boards at different magnifications
05/14/1996US5517232 Cable television distribution network with video-on-demand transmission
05/14/1996CA2068619C Telephonic telemeeting system
05/09/1996WO1996013938A1 Digital image coding
05/09/1996WO1996013937A1 Bidirectional information system and device
05/09/1996WO1996013936A1 Decoding of a data signal transmitted in a television system
05/09/1996WO1996013935A1 System and method for verification of electronic television program guide data
05/09/1996WO1996013934A1 Method and apparatus for vcr recording using key word selection of advance broadcast data
05/09/1996WO1996013932A1 Apparatus and methods for downloading recorder programming data in a video signal
05/09/1996WO1996013826A1 Coded data decoding device and video/audio multiplexed data decoding device using it
05/09/1996DE4440419A1 Automated information selection system for radio and television service
05/09/1996DE4438412A1 Television channel-changing appts.
05/09/1996DE19541675A1 Write-enable, write-protect storage device e.g. for encrypted message
05/09/1996CA2202407A1 Interactive information system and apparatus
05/09/1996CA2180023A1 Decoding of a data signal transmitted in a television system
05/08/1996EP0711086A2 Picture data recorder and/or reproducing apparatus
05/08/1996EP0711085A2 Recording and reproduction of television signals
05/08/1996EP0711084A2 Video recorder compatible receiver
05/08/1996EP0711083A2 Recording/reproducing apparatus for data packet stream
05/08/1996EP0711080A2 Picture composition with coded picture data streams for multimedia communications systems
05/08/1996EP0711079A2 Method and apparatus for scaling a compressed video bitstream
05/08/1996EP0711078A2 Picture coding apparatus and decoding apparatus
05/08/1996EP0711077A2 Video transmission rate matching for multimedia communication systems
05/08/1996EP0711076A2 Interactive television system
05/08/1996EP0711075A1 System for televoting
05/08/1996EP0711074A1 System for the transmission and reception of encoded television signals
05/08/1996EP0710929A2 Acoustic-assisted image processing
05/08/1996EP0710928A2 Digital image processor
05/08/1996EP0710422A1 Detecting errors in video images
05/08/1996EP0710421A1 Bit budget estimation method and device for variable word length encoders
05/08/1996EP0710420A1 System and method for storing and forwarding audio and/or visual information on demand
05/08/1996EP0710385A1 Image compression coprocessor with data flow control and multiple processing units
05/08/1996EP0710351A1 An inspection system for a conduit
05/08/1996EP0700621A4 Portable electronic data coupon
05/08/1996EP0694245A4 Adaptive video compression using variable quantization
05/08/1996EP0683962A4 Video imaging system and method using a single full frame sensor and sequential color object illumination.
05/08/1996CN1122087A System for distributing picture information
05/08/1996CN1122084A System and method for packing data into video processor
05/08/1996CA2162241A1 Picture data recording and/or reproducing apparatus
05/08/1996CA2162199A1 Acoustic-assisted image processing
05/08/1996CA2161998A1 System for televoting
05/07/1996US5515510 Communications internetwork system connecting a client node array to a resource array
05/07/1996US5515449 Endoscope image processing apparatus
05/07/1996US5515437 Scramble transmission apparatus and signal processing apparatus
05/07/1996US5515424 System and method for providing selected video images to local telephone stations
05/07/1996US5515388 Apparatus and method for preventing repetitive random errors in transform coefficients representing a motion picture signal
05/07/1996US5515377 Adaptive video encoder for two-layer encoding of video signals on ATM (asynchronous transfer mode) networks
05/07/1996US5515368 Information transmission system with variable transmission rate
05/07/1996US5515296 Scan path for encoding and decoding two-dimensional signals
05/07/1996US5515114 Motion-vector detection apparatus for a video signal
05/07/1996US5515111 Method and system for producing enhanced output signals
05/07/1996US5515107 Method of encoding a stream of motion picture data
05/07/1996US5515106 Method and apparatus for transmitting/receiving a program guide for television services
05/07/1996US5515105 Video signal coder using variance controlled quantization
05/07/1996US5515099 Video conferencing system controlled by menu and pointer
05/07/1996US5515098 System and method for selectively distributing commercial messages over a communications network
05/07/1996US5515058 Antenna alignment apparatus and method utilizing the error condition of the received signal
05/07/1996US5515037 Wire selection in a cable management system
05/07/1996US5515014 Interface between SAW filter and Gilbert cell mixer
05/04/1996CA2158293A1 Interactive television system
05/02/1996WO1996013132A1 Wireless digital personal communications system having voice/data/image two-way calling and intercell hand-off
05/02/1996WO1996013128A1 Digital vcr with trick play stream derivation
05/02/1996WO1996013126A1 Pseudo-digital compression of video signals
05/02/1996WO1996013125A1 Method and apparatus for encoding and formatting data representing a video program to provide multiple overlapping presentations of the video program
05/02/1996WO1996013124A1 Video indexing protocol
05/02/1996WO1996013123A1 Trick play stream derivation for pre-recorded digital video recording
05/02/1996WO1996013122A1 Hdtv trick play stream derivation for vcr
05/02/1996WO1996013121A1 Hdtv trick play stream derivation for vcr
05/02/1996WO1996013119A1 Device for implementing interactive television services
05/02/1996DE19534730A1 Entropy encoder for facsimile transmission
05/02/1996DE19505865A1 Direct two-way communication link between television viewers and programmes
05/01/1996EP0710033A2 MPEG video decoder having a high bandwidth memory
05/01/1996EP0710032A2 Method of and device for estimating motion in a video signal
05/01/1996EP0710031A2 System for coding a video signal in the presence of an image intensity gradient
05/01/1996EP0710030A1 Image coded data re-encoding apparatus
05/01/1996EP0710029A2 Signal processor for encoding and decoding