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)
08/1998
08/13/1998WO1998035462A1 Processes for acoustically transmitting a digital message and decoding of this transmission, and relative instruments
08/13/1998WO1998018230A3 Audio decoder with an adaptive frequency domain downmixer
08/13/1998WO1998017023A3 Method of determining receiver locations in a common wave network
08/13/1998DE19806197A1 Traffic information transmission method
08/12/1998EP0857380A2 Broadcast system transmitting supplementary data with the broadcast program
08/12/1998CN1190481A Storage medium carrying geographical location data
08/11/1998US5794116 Wireless video distribution system which avoids communication path congestion
08/11/1998US5794115 Pay broadcasting system having a broadcasting station and a charging center
08/11/1998US5793980 Audio-on-demand communication system
08/11/1998US5793410 System for broadcasting digital information
08/06/1998WO1998034210A1 Method for transmitting traffic information and devices for implementing said method
08/06/1998WO1998018228A3 Method of receiving messages, and electrical appliance for implementing the method
08/05/1998EP0856994A2 Digital cable headend for cable television delivery system
08/05/1998EP0856993A2 Set top terminal for cable television delivery systems
08/05/1998EP0856211A2 Transmission of digital and analog signals in the same band
08/04/1998US5790958 Radio reception system for general purpose computer
08/04/1998US5790937 Method and apparatus for the distribution of multi-media documents
08/04/1998US5790936 Low power subscriber unit transmitting voice messages in a two-way communication system
08/04/1998US5790666 Decryptor
08/04/1998US5790523 Testing facility for a broadband communications system
08/04/1998US5790175 Aircraft satellite television system for distributing television programming derived from direct broadcast satellites
08/04/1998US5790170 Two-way information transmission system and two-way information transmission method
07/1998
07/30/1998WO1998033172A1 Synchronized signal compression and decompression for audio distribution system with individually-selectable channels
07/28/1998US5787334 Personal monitoring device
07/28/1998US5787170 Database system with local information remotely supported with dynamic information
07/28/1998US5787133 Method for producing a signal
07/28/1998US5787090 Audio data system with a first information sub-channel, extraction means for extracting said information, and packetizer means for supplementing said audio in a second information sub-channel, and attacher station and user station for use in such a system
07/28/1998CA2092495C Communication system
07/23/1998WO1998032242A1 Method and apparatus for directed simulcast delivery of a data stream in a radio communication system
07/23/1998WO1998032232A2 Assessment of digital signals, especially radio data signals
07/23/1998WO1998032230A1 Data compression/expansion on a plurality of digital information signals
07/23/1998WO1998020635A3 A radio receiver for receiving a main radio broadcast signal and a monolythic integrated circuit for use in such radio receiver
07/23/1998DE19701459A1 Broadcasting signal receiver with two independently operating tuner circuits
07/22/1998EP0854599A2 System and method for detecting, correcting and discarding corrupted data packets in a cable data delivery system
07/22/1998EP0853847A1 Improved system for collecting data concerning transmitted material
07/22/1998EP0853846A2 Radio receiver with a memory for transmission frequencies and codes associated to said frequencies
07/22/1998EP0853842A1 Encoding of a plurality of information signals
07/22/1998EP0786126B1 Method and system for distributing and selecting audio and video information
07/22/1998EP0717892B1 Real-time audio packet layer encoder
07/22/1998CN1188575A Broadcast system with associated data transmission capabilities
07/22/1998CN1188572A N-channel transmission, compatible with 2-channel transmission and 1-channel transmission
07/22/1998CN1188571A 7-channel transmission, compatible with 5-channel transmission and 2-channel transmission
07/21/1998US5784691 RDS-TMC broadcast receiver
07/21/1998US5784683 Shared use video processing systems for distributing program signals from multiplexed digitized information signals
07/21/1998US5784609 System for remotely authenticating access to local software
07/21/1998US5784418 Dual band digital broadcast receiver
07/21/1998US5784277 Real-time audio packet layer encoder
07/21/1998US5784095 In a catv network
07/21/1998US5784006 Annunciator system with mobile receivers
07/16/1998DE19701042A1 Verfahren zur Auswertung von digitalen Signalen Method for evaluating digital signals,
07/15/1998EP0852880A1 Multimedia architecture for interactive advertising
07/15/1998EP0852785A1 Message output controller and system
07/15/1998CN1187919A Compact graphical interactive broadcast information system
07/14/1998US5781852 Alert receiver interface
07/09/1998WO1998030026A1 Television broadcast system and method
07/09/1998WO1998029974A1 Game machine system, broadcasting system, data distribution system and its method, and program executing device and its method
07/09/1998WO1998011686A3 Combined digital audio/video on demand and broadcast distribution system
07/09/1998WO1998011685A3 Combined digital audio/video on demand and broadcast distribution system
07/08/1998EP0852442A1 Television program delivery system
07/08/1998EP0852087A2 Method for the common transmission of digital and analogue modulated radio broadcasting and/ or television broadcasting signals
07/08/1998EP0852086A1 Method and apparatus for transporting auxiliary data in audio signals
07/08/1998EP0584310B1 Road traffic radio receiver
07/07/1998US5777997 Method and system for transmitting audio-associated text information in a multiplexed transmission stream
07/07/1998US5777992 Decoder for decoding and encoded digital signal and a receiver comprising the decoder
07/07/1998US5777662 Ingress/egress management system
07/02/1998WO1998028870A2 Multimedia data transfer system
07/02/1998WO1998015887A3 Aggregate information production and display system
07/01/1998EP0851604A2 Microcell load measurement using feedback control
07/01/1998EP0851592A2 Synthesizer receiver
07/01/1998EP0850511A1 Transmission process in which a conversion oscillator signal is synthesised by means of a fractional n-phase-shift control loop
06/1998
06/30/1998US5774798 Low power data receiver combined with audio receiver
06/30/1998US5774672 Data transmission system for distributing video and music data
06/30/1998US5774534 Context-based transactions using broadcast advertising
06/30/1998US5774527 Integrated telephone and cable communication networks
06/30/1998US5774452 Apparatus and method for encoding and decoding information in audio signals
06/25/1998WO1998027676A1 Fm multiplex broadcasting receiver and storage of received data in fm multiplex broadcasting receiver
06/25/1998WO1998027664A1 Radio receiver, radio receiving method, and audio transmitter
06/25/1998WO1998027504A2 Method and apparatus for embedding auxiliary data in a primary data signal
06/25/1998CA2273993A1 Method and apparatus for embedding auxiliary data in a primary data signal
06/24/1998EP0849948A2 Remote control for cable television delivery system
06/24/1998EP0849903A2 Receiver for receiving text-based multiplex broadcasts
06/24/1998CN1185876A Paging service using broad casting
06/24/1998CN1185697A Performance information broadcasting system, broadcasting device and receiving terminal device
06/23/1998US5771449 Sectorized multi-function communication system
06/18/1998WO1998026529A2 Interactive service device metering systems
06/18/1998WO1998026520A1 Broadband radio access
06/18/1998WO1998026416A1 Continuous play background music system
06/17/1998EP0847638A1 Audio file distribution and production system
06/17/1998EP0502977B1 Satellite based simulcast paging system
06/16/1998US5768680 Electronic audio monitor and recording apparatus
06/16/1998US5768377 Video signal descrambling apparatus
06/16/1998CA2085128C Method for broadcasting a digitally coded stream of data
06/11/1998WO1998025428A1 Simulcasting system with diversity reception
06/11/1998CA2273918A1 Simulcasting system with diversity reception
06/10/1998EP0847157A2 Arrangement for optimizing the utilization of frequencies through time-division multiplexing of stereophonic broadcasts
06/10/1998EP0847155A2 Audio decoding device and signal processing device
06/10/1998EP0847154A2 Method and means for transmitting messages with a variable datarate as a Radio Data Signal
06/10/1998CN1184571A Apparatus for multi-rate simulcast communications
06/09/1998US5765097 Shared hybrid fiber-coax network having reduced ingress noise in the upstream channel transmitted via a repeater
06/09/1998US5764773 Repeating device, decoder device and concealment broadcasting
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