Patents for H04N 7 - Television systems (274,023)
04/1999
04/01/1999WO1999003277A3 Arrangement for independently requesting a playing authorization for a reproduced encrypted information signal
04/01/1999WO1998058494A3 System for the bidirectional communication of voice and data through a distribution network
04/01/1999WO1998054893A9 Video signal equalization system
04/01/1999DE19744134A1 Verfahren zur Bestimmung von Blockvektoren für die Bewegungsschätzung Method for determining block vectors for the motion estimation
04/01/1999DE19743255A1 Identification system for road vehicles
04/01/1999DE19743202A1 Video signal encoding method for e.g. digital television systems
04/01/1999CA2304717A1 Multiple u channel isdn communications interface
04/01/1999CA2304227A1 Television interactive access system using urls
04/01/1999CA2304142A1 Method and apparatus for recording of encrypted digital data
04/01/1999CA2300130A1 An embedded dct-based still image coding algorithm
03/1999
03/31/1999EP0905987A2 Image decoding method and apparatus, and data recording medium
03/31/1999EP0905985A2 System and method for digital communication
03/31/1999EP0905984A2 System of downloading computer software with broadcasting program
03/31/1999EP0905983A2 Data match detecting apparatus, and data selecting apparatus
03/31/1999EP0905982A2 Method and device for coding and decoding data, notably sequences of digital images
03/31/1999EP0905981A1 Video signal coding method and coding device
03/31/1999EP0905980A1 Image encoder, image decoder, image encoding method, image decoding method and image encoding/decoding system
03/31/1999EP0905979A2 A method for data compression
03/31/1999EP0905978A2 An encoding method and apparatus
03/31/1999EP0905977A2 Image synthesis apparatus
03/31/1999EP0905976A1 Method of processing, transmitting and receiving dynamic image data and apparatus therefor
03/31/1999EP0905975A1 Solid state image pick-up apparatus
03/31/1999EP0905967A1 Method for generating digital watermarks and for exchanging data containing digital watermarks
03/31/1999EP0905966A2 An image processing method, an image processing apparatus, an image input device, a photographing system, a communication device, a communication system, and a storage medium
03/31/1999EP0905937A2 Interleaved broadcast techniques for wavelength division multiplexed systems
03/31/1999EP0905935A1 Coded signal transmission method and device
03/31/1999EP0905932A2 Method and apparatus for receiving and processing digital broadcast signals
03/31/1999EP0905928A1 Game machine system, broadcasting system, data distribution system and its method, and program executing device and its method
03/31/1999EP0904658A1 Television
03/31/1999EP0904642A2 Digital data transmission system with different compression rates, in particular for digital radio broadcasting
03/31/1999EP0904639A1 Wide-area wireless distribution system
03/31/1999EP0681774B1 Display of closed captioning status
03/31/1999EP0679298B1 Signal processing system
03/31/1999CN1212811A Method and apparatus for encoding or decoding digital video data
03/31/1999CN1212807A Method and apparatus for transmitting and downloading setup information
03/31/1999CN1212806A Progressive image coding
03/31/1999CN1212634A Network gaming system
03/31/1999CN1212581A NTSC interference detectors using comb filters that suppress DTV pilot carrier to extract NTSC artifacts
03/31/1999CN1212580A Compatible AC-3 and MPEG-2 audio-frequency code-decode device and its computing method
03/31/1999CN1212579A Process and device for temporal interpolation of images with motion compensation
03/31/1999CN1212578A Global decision method for video frequency coding
03/31/1999CN1212577A Control information generating apparatus for broadcast system
03/31/1999CN1212576A Digital coupons for pay television
03/31/1999CN1212575A Broadcasting guide command system
03/31/1999CN1212574A Measuring rod for uplink band in CATV transmission network
03/31/1999CN1212573A Transmitter system and transmitting method, receiver system and receiving method and transmission media
03/31/1999CN1212572A High definition television vestgial sideband transmission system pilot plug-in method and device
03/31/1999CN1212571A High definition television broadcasting channel spectrum allocation
03/31/1999CN1212570A Video data storage method
03/31/1999CN1212569A Recording medium retaining data for menu control, menu control method and apparatus
03/31/1999CN1212562A Image predictive decoding method, decoding device coding device and data storage medium
03/31/1999CN1212561A Image processing method, image processing device, and data storage medium
03/31/1999CN1212536A Method and device of superimposing additional information signal on video signal and detecting said additional information from said video signal
03/31/1999CN1212535A Method and apparatus for superimposing additional information signal to video signal
03/31/1999CN1212531A Information receiving method and receiver and medium
03/31/1999CN1212526A Device and method for detecting action vector
03/31/1999CN1042786C Video-frequency display control system
03/31/1999CN1042785C Method and device for doubling frame frequency
03/30/1999US5890168 System with data repetition between logically sucessive clusters
03/30/1999US5890125 Method and apparatus for encoding and decoding multiple audio channels at low bit rates using adaptive selection of encoding method
03/30/1999US5890124 Windowing method for decoding of MPEG audio data
03/30/1999US5890102 Jointly optimized subband coding system and method
03/30/1999US5889950 Method and apparatus for distribution of broadcast data
03/30/1999US5889927 Image processing method and apparatus
03/30/1999US5889921 Apparatus for controlling a sum of varying information amount of a video signal and a varying information amount of an audio signal so that the sum is within a predetermined amount of data range
03/30/1999US5889919 Copy protect recording and playback system that enables single authorized recording of protected broadcasts be made
03/30/1999US5889891 Universal codebook vector quantization with constrained storage
03/30/1999US5889890 Process for correction and estimation of movement in frames having periodic structures
03/30/1999US5889765 Bi-directional communications network
03/30/1999US5889577 Optical apparatus or apparatus for detecting direction of line of sight, and various kinds of same apparatus using the same
03/30/1999US5889564 Subtitle colorwiping and positioning method and apparatus
03/30/1999US5889563 Method and device for sychronizing visual information with audio information
03/30/1999US5889562 Memory requirement reduction in a SQTV processor by ADPCM compression
03/30/1999US5889561 Method and apparatus for scaling a compressed video bitstream
03/30/1999US5889560 MPEG video decoder
03/30/1999US5889559 Method and apparatus for minimally-shifted wavelet decomposition and recomposition
03/30/1999US5889549 Communication apparatus having coding/decoding means responsive to a settable coefficient
03/30/1999US5889515 Rendering an audio-visual stream synchronized by a software clock in a personal computer
03/25/1999WO1999014955A1 Seamless splicing of compressed video programs
03/25/1999WO1999014954A1 Continuous media file server system and method for scheduling disk reads while playing multiple files having different transmission rates
03/25/1999WO1999014953A1 Access system and method for providing interactive access to an information source through a networked distribution system
03/25/1999WO1999014951A1 Apparatus and methods in improving and enhancing telephony telecommunications
03/25/1999WO1999014950A1 Error concealment for video services
03/25/1999WO1999014947A1 Electronic-mail reminder for an internet television program guide
03/25/1999WO1999014946A1 Digital television apparatus for controlling a peripheral device via a digital bus
03/25/1999WO1999014945A1 Peripheral electronic device and system for controlling this device via a digital bus
03/25/1999WO1999014944A1 System for conversion of interlaced video to progressive video using edge correlation
03/25/1999WO1999014926A1 Information retrieval system
03/25/1999WO1999014914A1 Afc circuit, carrier reproducing circuit, and receiver
03/25/1999WO1999014882A2 A packet-based telemedicine system for communicating information between central monitoring stations and remote patient monitoring stations
03/25/1999WO1999001979A3 Video image band adjustment method, and filter arrangement
03/25/1999WO1999001808A3 System for supplying data streams
03/25/1999WO1998057495A8 Multi-functional processing system with built-in non-movable storage medium
03/25/1999DE19741434A1 Signal correction method for data contained in video signal blanking interval
03/25/1999DE19738350A1 Inserting code signal into audio-video data signal
03/25/1999DE19648449A1 Title coding system for broadcasting
03/25/1999CA2784942A1 Utility meter providing an interface between a digital network and home electronics
03/25/1999CA2304228A1 Access system and method for providing interactive access to an information source through a networked distribution system
03/25/1999CA2303053A1 Information retrieval system
03/25/1999CA2302488A1 Apparatus and methods in improving and enhancing telephony telecommunications