Patents
Sitemap › H04 - Electric communication technique › H04H - Broadcast communication › H04H 20 - Arrangements for broadcast or for distribution combined with broadcast
Patents for H04H 20 - Arrangements for broadcast or for distribution combined with broadcast (21,050)
10/1998
10/01/1998WO1998043415A1 Extracting data sections from a transmitted data stream
10/01/1998WO1998043382A1 Method for reducing redundant transmissions of data groups
10/01/1998WO1998043248A1 Computer memory organization
10/01/1998WO1998043172A2 Access control system
10/01/1998WO1998043167A1 Computer memory organization
10/01/1998WO1998043165A1 Television or radio control system development
10/01/1998WO1998043162A1 Downloading a computer file from a transmitter via a receiver/decoder to a computer
10/01/1998DE19807617A1 Device for passing traffic information determined by central station or detection unit to at least one terminal
10/01/1998DE19713271A1 Bidirectional communication system e.g. for broadcasting station
10/01/1998CA2284867A1 Access control system
10/01/1998CA2284147A1 Downloading a computer file from a transmitter via a receiver/decoder to a computer
10/01/1998CA2284146A1 Computer memory organization
10/01/1998CA2284145A1 Method of and apparatus for transmitting data for interactive tv applications
10/01/1998CA2284044A1 Computer memory organization
10/01/1998CA2284036A1 Method and apparatus for preventing fraudulent access in a conditional access system
10/01/1998CA2284022A1 Television or radio control system development
10/01/1998CA2284016A1 Signal generation and broadcasting
10/01/1998CA2284014A1 Smartcard for use with a receiver of encrypted broadcast signals, and receiver
10/01/1998CA2284011A1 Data processing system
09/1998
09/30/1998EP0868041A2 Apparatus for receiving digital audio broadcast signals
09/30/1998EP0868032A2 Transmission/reception system and receiver
09/30/1998CN1194737A Encoding apparatus for encoding a plurality of information signals
09/30/1998CN1194525A Amplitude-modulation multi-way broadcasting device
09/30/1998CN1194513A Adaptive random access agreement and dynamic searching tree expanding resolving for multi-station net
09/29/1998US5815671 Method and apparatus for encoding and storing audio/video information for subsequent predetermined retrieval
09/29/1998US5815666 Information supply system
09/29/1998US5815529 Transmission system for digital audio broadcasting that incorporates a rotator in the transmitter
09/29/1998US5815170 Memory control method of character multiplexed broadcast receiver
09/24/1998WO1998041959A1 Method and receiver for geographical selection of digitally coded messages
09/24/1998DE19712144A1 Verfahren zur Reduzierung von redundanten Übertragungen von Datengruppen Method for reducing redundant transmissions of data groups
09/23/1998EP0866616A1 Method of and apparatus for transmitting data
09/23/1998EP0866615A2 Data transmission and reception
09/23/1998EP0866613A1 Preventing fraudulent access in a conditional access system
09/23/1998EP0866611A1 Broadcast receiving system comprising a computer and a decoder
09/23/1998EP0866577A2 Band insertion and precancellation technique for simultaneous communications of analog frequency-modulated and digitally modulated signals
09/23/1998EP0866576A2 RDS-receiver for the evaluation of traffic information messages
09/23/1998EP0866433A1 Device for the retransmission to at least one terminal of traffic information sent by a centre or a collection unit
09/23/1998EP0700622A4 An integrated video and audio signal distribution system for use on commercial aircraft and other vehicles
09/23/1998EP0683943B1 Multi-media distribution and multi-media player
09/23/1998EP0611505B1 Coding method for fdm broadcast transmissions, transmitter and receiver for carrying out the method
09/22/1998US5812971 Enhanced joint stereo coding method using temporal envelope shaping
09/22/1998US5812937 Broadcast data system with multiple-tuner receiver
09/22/1998US5812931 Two-way interactive television system incorporating pager transmitter and receiver for conducting messaging with information provider
09/22/1998US5812672 Method for reducing data in the transmission and/or storage of digital signals of several dependent channels
09/22/1998US5812665 Switched channel system
09/22/1998US5812642 Audience response monitor and analysis system and method
09/22/1998CA2103442C Radio system with measurement and adjustment of transfer delay
09/17/1998WO1998041020A1 A digital interactive system for providing full interactivity with live programming events
09/17/1998WO1998041019A1 Network device for receiving digital data over tv channel
09/17/1998WO1998040966A1 System and method for high speed digital data casting concurrent with amplitude modulated broadcasts
09/17/1998DE19710863A1 Verfahren und Empfänger zur geographischen Selektion von digital codierten Meldungen Method and receiver for geographical selection of digitally coded messages
09/16/1998EP0865176A2 Receiver for receiving digital audio programmes as well as the supplementary data contained in the audio programmes
09/16/1998EP0865175A2 Radio receiver capable of receiving signals from a plurality of trnsmission systyms such as Digital Audio Broadcast (DAB) and Radio Data System (RDS)
09/16/1998EP0864213A1 System and method for capturing internet access information
09/16/1998EP0864212A1 A method and system for providing synchronization in a stream of messages and a transmitter and a receiver for use in such a system
09/16/1998EP0864211A1 Telecommunications information dissemination system
09/16/1998CN1193441A Method for the common transmission of digital and analogue modulated radio broad casting and/or television broadcasting signals
09/15/1998US5809472 Digital audio data transmission system based on the information content of an audio signal
09/15/1998US5809471 Retrieval of additional information not found in interactive TV or telephony signal by application using dynamically extracted vocabulary
09/15/1998US5809426 Arrangement in mobile telecommunications systems for providing synchronization of transmitters of base stations
09/15/1998US5809236 Method and apparatus for contention resolution in a broadband network
09/15/1998US5809065 Method and apparatus for improving the quality of AM compatible digital broadcast system signals in the presence of distortion
09/11/1998WO1998039864A1 Digital signal receiver
09/11/1998WO1998023050A3 Simultaneous over the air data download to multiple receivers
09/09/1998EP0863641A2 Mobile interactive radio
09/09/1998EP0863632A2 Apparatus for receiving audio broadcast signals
09/09/1998EP0862814A1 Method of selecting a transmit frequency
09/08/1998US5805974 Tv commercial control system
09/08/1998US5805764 Data transmitting apparatus
09/08/1998US5805704 Method and apparatus for protecting broadcast software against unauthorized reception on a software broadcasting system
09/08/1998US5805645 Control channel synchronization between DBC and Cellular networks
09/08/1998US5805154 Integrated broadcast application with broadcast portion having option display for access to on demand portion
09/05/1998CA2216344A1 Mobile interactive radio
09/03/1998WO1998028870A3 Multimedia data transfer system
09/03/1998WO1998027504A3 Method and apparatus for embedding auxiliary data in a primary data signal
09/02/1998EP0862328A1 An operations center to be used in television program delivery
09/02/1998EP0862290A2 Transmitter, receiver, communication apparatus, communication method and communication system
09/02/1998EP0862287A2 Synchronous switching of digital audio while maintaining block alignment
09/02/1998EP0861559A1 Multichannel radio frequency transmission system to deliver wide band digital data into independent sectorized service areas
09/02/1998EP0861549A1 Method of synchronizing a digital signal receiver
09/02/1998EP0861547A1 Information distribution system
09/02/1998EP0771497B1 Multiple carrier transmission in common wave broadcasting networks
09/01/1998US5802453 Radio paging transmitter which adjusts its transmission time based on detection of its own transmission delay
09/01/1998US5802449 Broadband communication system and method therefor
09/01/1998US5802448 Method and apparatus for processing requests for interactive applications based on system resources
09/01/1998US5802311 Using adaptive redundant packet retrieval to improve reliability in a unidirectional data broadcasting system
09/01/1998US5802079 For use in a communications receiver
09/01/1998US5802066 Multiplex broadcast receiving method and receiver with program type memory
09/01/1998US5801750 For supplying information to a terminal
08/1998
08/27/1998WO1998037648A1 Video, data and telephony gateway
08/27/1998WO1998037643A1 Method and apparatus in a radio communication system for synchronizing transmissions while maintaining full user traffic
08/27/1998WO1998019407A3 Method & apparatus for decoding multi-channel audio data
08/26/1998EP0753234B1 Method of producing an electronic tv/radio-programme timetable
08/25/1998US5798785 Terminal for suggesting programs offered on a television program delivery system
08/20/1998WO1998015075A3 Telematic device for a motor vehicle with car radio, position fixing system and radio telephone
08/19/1998EP0858695A1 Apparatus and method for digital data transmission
08/18/1998US5796842 To encode digital left/right channel audio signals
08/18/1998US5796695 Information transmission method and apparatus and information receiving method and apparatus
08/18/1998US5796423 System for integrating digital audio and analog video to provide seamless user transparent features
08/13/1998WO1998035495A2 Multichannel television sound stereo and surround sound encoder
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