Patents
Patents for H04H 20 - Arrangements for broadcast or for distribution combined with broadcast (21,050)
07/1996
07/04/1996WO1996020543A1 Simulcast resynchronisation improvement using global positioning system
07/04/1996WO1996020537A1 De-interleaving and buffering in one memory
07/04/1996WO1996020536A1 Interleaving with low-speed memory
07/04/1996DE19518858C1 Digital data transmission system
07/04/1996CA2208697A1 Simulcast resynchronisation improvement using global positioning system
07/03/1996EP0720317A1 A wireless base station architecture for providing audio video data services
07/03/1996EP0719484A1 Broadband communications system
07/03/1996EP0719483A1 Process for determining the type of coding to be selected for coding at least two signals
07/03/1996EP0719482A1 A communication network comprising a plurality of receivers with user profile dependent selection of programmes
07/03/1996EP0569374B1 Procedure for the identification of transmitter or region in common-wave broadcasting networks
07/02/1996US5532760 Receiver capable of selectively receiving satellite broadcast TV signals and audio SCPC signals
07/02/1996US5532732 Apparatus and methods for using compressed codes for monitoring television program viewing
06/1996
06/27/1996WO1996019785A2 Method of and receiver for processing and reproducing a message
06/27/1996DE4444986A1 Digital television, video and radio signal antenna coupling
06/26/1996EP0717892A1 Real-time audio packet layer encoder
06/25/1996US5530655 Digital sub-band transmission system with transmission of an additional signal
06/20/1996WO1996019055A1 Ofdm with variable subcarrier allocation
06/20/1996WO1996019052A2 Circuit array and process for creating a data feedback channel from receiver to transmitter in a common frequency network
06/20/1996WO1996011446A3 Database system with local information remotely supported with dynamic information
06/19/1996EP0717518A2 High efficiency audio encoding method and apparatus
06/19/1996CN1032105C Method and apparatus for transmitting, receiving and communicating program data signals with digital data signals
06/19/1996CN1032099C System of communication
06/18/1996US5528674 Combined activation apparatus and voice message source for emergency broadcast system broadcast
06/12/1996EP0716552A2 Information providing systems and portable electronic devices for use therewith
06/12/1996EP0716518A2 Narrow-band quadrature demodulator for digital audio broadcast via satellite
06/12/1996EP0716517A1 Means for extracting supplementary information from a sound channel, carrying an additional channel for transmitting additional data, and packetizer means for supplementing said audio in a second information sub-channel, and an attacher station for said system
06/12/1996EP0716370A2 A disk access method for delivering multimedia and video information on demand over wide area networks
06/11/1996US5526479 Method and apparatus for broadcasting live events to another location and producing a computer simulation of the events at that location
06/11/1996US5526427 Universal broadcast code and multi-level encoded signal monitoring system
06/11/1996US5526284 Apparatus and methods for music and lyrics broadcasting
06/11/1996US5526035 Transaction based interactive television system
06/06/1996WO1996017451A1 Audio-on-demand communication system
06/06/1996WO1996017450A1 Method of tuning a mobile radio receiver to radio broadcasting programmes carrying traffic information
06/05/1996EP0715426A1 Multiplex receiver and multiplex receiving system broadcasting
06/04/1996US5524272 Method and apparatus for distributing program material
06/04/1996US5524054 Method for generating a multi-channel audio decoder matrix
06/04/1996US5524051 Method and system for audio information dissemination using various modes of transmission
06/04/1996US5524001 Dynamic cable signal assembly
05/1996
05/30/1996WO1996016491A1 Apparatus and methods for accessing information relating to radio and television programs
05/30/1996WO1996016486A1 Receiver for fm multiplex broadcasting with detachable storing medium
05/30/1996WO1996016406A1 Information transfer method, information carrier, arrangement for transmitting and arrangement for receiving information
05/30/1996DE4442413A1 Verfahren zur Einstellung eines mobilen Rundfunkempfängers und Rundfunkempfänger A method for adjusting a mobile radio receiver and radio receiver
05/30/1996DE4441794A1 Reception quality evaluation of radio signals
05/29/1996EP0714185A2 Method for simultaneous transmission of digital audio (DAB) and analog television on the same channel
05/29/1996EP0714183A2 Method for synchronisation of a radio data receiver and broadcast receiver using this method
05/29/1996EP0713621A1 Method and apparatus for uniquely encrypting a plurality of services at a transmission site
05/29/1996EP0713619A1 Method and apparatus for coordinating clocks in a simulcast network
05/28/1996US5521944 Circuit for a demodulator for a radio data signal in a radio receiver
05/28/1996US5521943 COFDM combined encoder modulation for digital broadcasting sound and video with PSK, PSK/AM, and QAM techniques
05/22/1996EP0713335A2 System and method for wireless capture of encoded data transmitted with a television, video or audio signal and subsequent initiation of a transaction using such data
05/22/1996EP0713301A2 Method and system for transmitting supplementary data signals with an audio signal as a subaudible signal
05/22/1996EP0712564A1 Multi-channel transmitter/receiver system providing matrix-decoding compatible signals
05/22/1996CN1123076A A method and system for audio information dissemination using various transmission modes
05/22/1996CN1123075A Radio receiver for information dissemination using subcarrier
05/21/1996US5519433 Interactive television security through transaction time stamping
05/16/1996CA2162614A1 System and method for wireless capture of encoded data transmitted with a television, video or audio signal and subsequent initiation of a transaction using such data
05/15/1996EP0520068B1 Encoder/decoder for multidimensional sound fields
05/15/1996DE19535327C1 Verfahren zur gemeinsamen Übertragung digital und analog modulierter Rundfunk- und/oder Fernsehrundfunksignalen Method for the shared transmission digital and analog modulated radio and / or television broadcasting signals
05/14/1996US5517680 Self correction of PST simulcast system timing
05/14/1996CA2090740C Base-site synchronization in a communication system
05/09/1996WO1996013935A1 System and method for verification of electronic television program guide data
05/08/1996EP0730796A4 Apparatus and methods for displaying text in conjunction with recorded audio programs
05/08/1996EP0711075A1 System for televoting
05/08/1996CA2161998A1 System for televoting
05/07/1996US5515372 Apparatus for a broadcast station
05/02/1996WO1996013131A1 Transmitting digital data using multiple subcarriers
05/02/1996DE19539538A1 Nicht hörbare Einfügung von Information in ein Audiosignal Inaudible insertion of information into an audio signal
05/02/1996DE19505865A1 Direct two-way communication link between television viewers and programmes
05/01/1996EP0710025A1 Digital signal transmitting methods, digital signal receiving apparatus, and recording media
05/01/1996EP0709978A2 Optical transmission system for cable television signals and for subscriber signals
05/01/1996CA2161732A1 Optical communication system for cable-television signals and for subscriber-assigned signals
04/1996
04/30/1996US5513385 Reception apparatus, signal reproducing apparatus using reception apparatus and control method thereof
04/30/1996US5513384 System and method for providing multiple broadcasts of audio information to spectators
04/30/1996US5513215 High speed simulcast data system using adaptive compensation
04/30/1996US5512937 System for integrated distribution of switched voice and television on coaxial cable and with video signal transmission originating from subscriber locations
04/25/1996WO1996012360A1 Common-wave telecommunication network synchronisation method and system
04/25/1996WO1996012261A1 System for distributing and selecting audio and video information and method implemented by said system
04/25/1996WO1996012260A1 Audiovisual distribution system
04/25/1996WO1996012259A1 Home digital audiovisual information recording and playback apparatus
04/25/1996WO1996012258A1 Intelligent digital audiovisual playback system
04/25/1996WO1996012257A1 Method of communication for an intelligent digital audiovisual playback system
04/25/1996WO1996012256A1 Intelligent digital audiovisual playback system
04/25/1996WO1996012255A1 Intelligent digital audiovisual playback system
04/25/1996CA2201915A1 Intelligent digital audiovisual playback system
04/24/1996EP0708561A2 Method and apparatus for free previews of communication network services
04/24/1996EP0708533A2 Transmission signal
04/24/1996EP0707773A1 Point-to-multipoint cellular television transmission system
04/23/1996US5511093 Method for reducing data in a multi-channel data transmission
04/18/1996WO1996011446A2 Database system with local information remotely supported with dynamic information
04/17/1996CN1120776A A flow builder for an audio video interactive transmission system
04/16/1996US5508731 For eliciting responses from members of a broadcast audience
04/11/1996DE4435769A1 Information system for wideband distribution services and interactive services
04/11/1996DE4435767A1 Broadband information system for distribution and interactive services
04/10/1996EP0705506A1 Broadcast system with associated data transmission capabilities
04/09/1996US5507021 Method to input alphanumerical information into a device having a central computer, a memory, and a keypad
04/09/1996US5506904 System and method for transmitting and receiving variable length authorization control for digital services
04/09/1996US5506903 Digital multiplex transmission system
04/09/1996US5506902 Data broadcasting system
04/09/1996US5505901 CATV pay per view interdiction system method and apparatus
04/04/1996WO1996010290A1 Amplitude demodulator