Patents for H04H 20 - Arrangements for broadcast or for distribution combined with broadcast (21,050) |
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09/19/1996 | WO1996028904A1 Simulcasting digital video programs for broadcast and interactive services |
09/19/1996 | WO1996028903A1 Simulcasting digital video programs for broadcast and interactive services |
09/19/1996 | WO1996028902A1 Shared receiving systems utilizing telephone cables as video drops |
09/18/1996 | EP0732821A2 Method for retrieving information concerning current radio and television broadcasts |
09/18/1996 | EP0732030A1 An operations center with video storage for a television program packaging and delivery system |
09/18/1996 | EP0732017A1 System and method for transmitting and receiving variable length authorization control for digital services |
09/18/1996 | EP0673565B1 Generation of a coherent signal using an adaptive filter for cancelling and synchronous detection in a digital radio receiver |
09/18/1996 | CN1131490A High speed simulcast system using adaptive compensation |
09/17/1996 | US5557541 Apparatus for distributing subscription and on-demand audio programming |
09/17/1996 | US5557442 Optical amplifiers with flattened gain curves |
09/17/1996 | US5557334 Apparatus for tracking the flow of video signals by incorporating patterns of machine readable signals which will appear at predetermined locations of a television picture |
09/17/1996 | US5557300 For a controller |
09/12/1996 | WO1996027958A1 A method for transmission and a device for reception of information |
09/12/1996 | WO1996027952A1 Dual channel fm receiver with on demand information services |
09/12/1996 | DE19600860A1 Recording and reproduction system for video, audio, and television equipment |
09/12/1996 | DE19513005A1 Combined audio, display and radio digital data utilisation radio receiver appts. |
09/12/1996 | DE19508610A1 Radio transmission method |
09/12/1996 | DE19507568A1 Satellite signal receiving apparatus |
09/12/1996 | CA2214716A1 Dual channel fm receiver with on demand information services |
09/11/1996 | EP0731619A2 Broadband communication system and method |
09/11/1996 | EP0731575A2 A method to generate and to transfer a hyper-text document and a hyper-media service to a mobile digital audio receiver |
09/11/1996 | EP0731574A2 Method and means for digital data broadcast |
09/11/1996 | EP0731572A2 Radio station tuning system |
09/11/1996 | EP0730802A1 System and method for simultaneously authorizing multiple virtual channels |
09/11/1996 | EP0730800A1 Process and circuit for distributing information on broadcast programmes, preferably in wideband automatic telecommunications networks |
09/11/1996 | EP0730796A1 Apparatus and methods for displaying text in conjunction with recorded audio programs |
09/11/1996 | EP0609300B1 Process for transmitting or storing over disturbed channels a digitalized, encoded audio signal composed of a series of information blocks |
09/10/1996 | US5555310 Stereo voice transmission apparatus, stereo signal coding/decoding apparatus, echo canceler, and voice input/output apparatus to which this echo canceler is applied |
09/10/1996 | US5555118 Method for removing and inserting optical carriers in a WDM optical communication system |
09/10/1996 | US5555024 Transmitters for burying digital signals within the trace and retrace intervals of NTSC television signals |
09/06/1996 | WO1996027248A1 Voice messaging system and method making efficient use of orthogonal modulation components |
09/03/1996 | US5553313 Method for detecting information in a RDS data flow |
08/29/1996 | WO1996019785A3 Method of and receiver for processing and reproducing a message |
08/29/1996 | WO1996019052A3 Circuit array and process for creating a data feedback channel from receiver to transmitter in a common frequency network |
08/29/1996 | DE19602715A1 Low frequency data transmission systems for radio data system |
08/28/1996 | EP0729280A2 Transmission monitoring system and method for testing the transmission quality |
08/28/1996 | EP0729246A1 Receiver for multiplex broadcasting |
08/28/1996 | EP0728388A1 Single frequency transmission network |
08/27/1996 | US5550863 Audio and video transmission and receiving system |
08/27/1996 | US5550825 Headend processing for a digital transmission system |
08/22/1996 | WO1996025820A1 A system for encoding and decoding video signals for identification, distribution and/or control |
08/22/1996 | WO1996025815A1 System for transmitting a packetized message, transmitter and receiver for use in such a system, and methods of transmitting and receiving a packetized message |
08/22/1996 | WO1996025789A1 Amplitude and phase error normalization of subcarrier generator |
08/21/1996 | EP0727114A1 Music playing device for a motor vehicle |
08/21/1996 | EP0654201B1 Process and device for a microcellular common-channel radio system |
08/20/1996 | US5548828 RDS audio receiver having interrupt mode |
08/20/1996 | US5548323 Multiple input processor for cable television head end controller |
08/20/1996 | EP0746942A4 Downstream control of electronic billboard |
08/18/1996 | CA2169693A1 Wireless coupled adapter for decoding information from a broadcast signal to which a radio is tuned |
08/15/1996 | WO1996025006A1 Interactive broadcasting system |
08/15/1996 | WO1996024991A1 Remote listenership monitoring system |
08/14/1996 | EP0726660A1 FM receiver receiving supplementary data in a broadcast programme with data storage and display means |
08/14/1996 | CN1129051A Multiplex receiver and multiplex receiving system broadcasting |
08/08/1996 | DE19502923A1 Reproducing additional information contained in television or radio programme signal |
08/08/1996 | DE19502359A1 Radio receiver with facility to receive radio data signals |
08/07/1996 | EP0725522A2 Method for combined transmission of digital source and control data between data sources and sinks linked by data transmission lines |
08/07/1996 | EP0725505A1 Broadcast receiver for receiving, managing and displaying digitally coded traffic information |
08/07/1996 | EP0725504A2 Radio data system receiver with a means for displaying digitally coded traffic information |
08/07/1996 | EP0725503A1 Method for receiving and outputting broadcast programmes with supplementary digital information and broadcast receiver for displaying digital information of other broadcast programmes |
08/07/1996 | EP0725502A2 Method for decoding and displaying received digitally coded traffic broadcast information |
08/07/1996 | EP0725501A1 Means for audible presentation of digitally coded traffic information using a speech synthesizer |
08/07/1996 | EP0725500A2 Means for managing digitally coded traffic messages in broadcast receivers |
08/07/1996 | CN1128599A Interactive communications system with data distribution |
08/07/1996 | CN1128595A Method and apparatus for uniquely encrypting a plurality of services at a transmission site |
08/06/1996 | US5544198 Procedure for the identification of transmitter or region in common-wave broadcasting networks |
08/06/1996 | US5544161 ATM packet demultiplexer for use in full service network having distributed architecture |
08/06/1996 | US5543856 System and method for downstream application and control electronic billboard system |
08/01/1996 | DE19502922A1 Reproduction of additional information in TV signal |
08/01/1996 | DE19502921A1 Reproduction of additional information in TV signal |
07/31/1996 | EP0723729A1 Simulcast of interactive signals with a conventional video signal |
07/30/1996 | US5542119 Method for selecting a highest quality signal for retransmission by base sites in a simulcast communication system |
07/30/1996 | US5542099 Simulcast group determination of best signal |
07/30/1996 | US5541980 Cordless telephone/radio-monitoring system |
07/30/1996 | US5541757 Optical fiber cable service system provided with video on demand service |
07/24/1996 | EP0723373A2 Decryptor |
07/24/1996 | EP0723372A2 Data receiving-processing apparatus and method, and broadcasting method |
07/24/1996 | EP0497769B1 System with compact spectrum |
07/23/1996 | US5539829 Subband coded digital transmission system using some composite signals |
07/23/1996 | US5539822 System and method for subscriber interactivity in a television system |
07/23/1996 | US5539635 Radio station program identifier and distribution system |
07/17/1996 | EP0722239A2 Data communication method and apparatus for requesting and responding to information |
07/16/1996 | US5537685 Method of establishing inter-base-station synchronization and mobile radio communication system using the method |
07/16/1996 | US5537637 Medium-frequency radio broadcasting retransmission system for confined and electromagnetically shielded areas |
07/16/1996 | US5537398 Apparatus for multi-rate simulcast communications |
07/16/1996 | US5537141 Distance learning system providing individual television participation, audio responses and memory for every student |
07/11/1996 | WO1996021321A1 Virtual reality television system |
07/11/1996 | WO1996021293A1 Method for the dynamic reconfiguration of a time-interleaved signal, and corresponding receiver and signal |
07/11/1996 | WO1996021291A1 Method and apparatus for improving am compatible digital broadcast analog fidelity |
07/11/1996 | WO1996021290A1 Audio signal identification using digital labelling signals |
07/11/1996 | WO1996021287A1 Transmitting and displaying on a receiver information describing broadcast programs |
07/11/1996 | WO1996021284A1 A system for identifying and responding to different broadcast programs |
07/11/1996 | DE4444889C1 Verfahren und Schaltungsanordnung zur Realisierung eines Rückübertragungskanals vom Empfänger zum Sender in einem Gleichwellennetz Method and circuit for implementing a feedback channel from the receiver to the transmitter in a single frequency network |
07/11/1996 | CA2209621A1 Audio signal identification using digital labelling signals |
07/11/1996 | CA2209142A1 Transmitting and displaying on a receiver information describing broadcast programs |
07/10/1996 | EP0720798A1 High speed simulcast system using adaptive compensation |
07/10/1996 | EP0627138B1 Demodulator for radio data signals |
07/09/1996 | US5535229 Digital data transfer system for use especially with advertisement insertion systems |
07/09/1996 | US5535215 Method and apparatus for providing control channels and message channels in a radio communication system |
07/09/1996 | US5534933 Apparatus for processing NTSC TV signals having digital signals on quadrature-phase video carrier |
07/09/1996 | US5534913 Apparatus and method for integrating downstream data transfer over a cable television channel with upstream data carrier by other media |