Patents
Patents for H04H 40 - Arrangements specially adapted for receiving broadcast information (5,791)
09/1996
09/12/1996WO1996027958A1 A method for transmission and a device for reception of information
09/12/1996DE19513005A1 Combined audio, display and radio digital data utilisation radio receiver appts.
09/12/1996DE19507568A1 Satellite signal receiving apparatus
09/11/1996EP0730802A1 System and method for simultaneously authorizing multiple virtual channels
09/11/1996CN1130843A Program information broadcasting system, program information display method, and receiving device
09/03/1996US5553313 Method for detecting information in a RDS data flow
09/03/1996US5553140 Digital and analog interface for set back box
08/1996
08/29/1996WO1996026597A1 Antenna apparatus and method in satellite reverse path communication in direct-to-home subscription information systems
08/28/1996EP0426812B1 Gallium-arsenide switching mixer
08/27/1996US5550825 Headend processing for a digital transmission system
08/21/1996EP0727885A2 OFDM broadcast wave receiver
08/20/1996US5548828 RDS audio receiver having interrupt mode
08/18/1996CA2169693A1 Wireless coupled adapter for decoding information from a broadcast signal to which a radio is tuned
08/14/1996EP0726660A1 FM receiver receiving supplementary data in a broadcast programme with data storage and display means
08/07/1996CN1128599A Interactive communications system with data distribution
08/01/1996WO1996023374A1 Joint equalization system for am compatible digital receiver
07/1996
07/30/1996US5541980 Cordless telephone/radio-monitoring system
07/23/1996US5539829 Subband coded digital transmission system using some composite signals
07/16/1996US5537613 Device and method for detecting pilot signal for two-carrier sound multiplexing system
07/11/1996WO1996021293A1 Method for the dynamic reconfiguration of a time-interleaved signal, and corresponding receiver and signal
07/10/1996EP0721262A2 Method and system for phase synchronisation with a radio data (RDS) signal
07/10/1996EP0627138B1 Demodulator for radio data signals
07/09/1996US5534913 Apparatus and method for integrating downstream data transfer over a cable television channel with upstream data carrier by other media
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
06/1996
06/25/1996US5530655 Digital sub-band transmission system with transmission of an additional signal
06/19/1996EP0717517A2 Method and system for evaluating a RDS signal
06/19/1996CN1032105C Method and apparatus for transmitting, receiving and communicating program data signals with digital data signals
06/12/1996EP0716518A2 Narrow-band quadrature demodulator for digital audio broadcast via satellite
06/04/1996US5524288 Tuning of a radio receiver
05/1996
05/30/1996DE4441794A1 Reception quality evaluation of radio signals
05/29/1996EP0714184A2 Method for detecting data in disturbed RDS signals and receiver using this method
05/29/1996EP0714183A2 Method for synchronisation of a radio data receiver and broadcast receiver using this method
05/28/1996US5521944 Circuit for a demodulator for a radio data signal in a radio receiver
05/14/1996US5517678 Satellite radio receiver
05/07/1996US5515442 Mono/stereo switching circuit
04/1996
04/30/1996US5513385 Reception apparatus, signal reproducing apparatus using reception apparatus and control method thereof
04/24/1996EP0708533A2 Transmission signal
04/18/1996DE4443790C1 Phase synchronisation system for radio data signal receiver
04/09/1996US5507024 FM data-system radio receiver
04/03/1996EP0705036A2 Program information broadcasting system, program information display method, and receiving device
03/1996
03/12/1996US5499300 Stereo and dual audio signal identifying circuit
02/1996
02/28/1996CN1117675A Method and apparatus for transmitting, receiving and communicating program data signals with digitalnals data signals
02/21/1996CN1031090C Digital transmission system
02/20/1996US5493721 Receiver for a digital radio signal
02/14/1996EP0696854A1 Broadcast receiver adapted for analog and digital signals
01/1996
01/16/1996US5485485 Radio frequency broadcasting systems and methods using two low-cost geosynchronous satellites and hemispherical coverage antennas
01/11/1996DE4422235A1 Radio receiver e.g. for recording of traffic messages
01/10/1996EP0691050A1 Circuit for deriving audio signal masking signals
01/10/1996EP0691049A1 Circuit for deriving a quality signal dependent on the quality of a received multiplex signal
01/09/1996US5483663 System for providing local originating signals with direct broadcast satellite television signals
01/04/1996DE4421694A1 Muting signal recovery and processing arrangement for RDS car radio
12/1995
12/27/1995EP0689307A1 A digital broadcasting system and a receiver to be used in the system
12/20/1995CN1113636A 数据传输系统 The data transmission system
11/1995
11/29/1995EP0684735A2 Interfacing broadcast signals with electronic devices
11/28/1995US5471664 Clockwise and counterclockwise circularly polarized wave common receiving apparatus for low noise converter
11/28/1995US5471662 Radio data system receiver
11/28/1995CA2063640C Satellite telecommunication installation capable of serving several coverage zones
11/23/1995DE4441789C1 Data recognition system for noisy radio data signal
11/23/1995DE4417562A1 Paging system with long and/or medium wave transmitters
10/1995
10/12/1995WO1995027373A1 System for providing local originating signals with direct broadcast satellite television signals
10/12/1995WO1995027347A1 Apparatus and method for integrating downstream data transfer over a cable television channel with upstream data carried by other media
10/10/1995US5457423 Radio data signal demodulator with clock signal recovery
09/1995
09/28/1995WO1995026112A1 Method and equipment for transmitting messages to mobile radio stations
09/28/1995CA2186158A1 Method and equipment for transmitting messages to mobile radio stations
09/27/1995EP0674399A2 Device and method for detecting pilot signal for two-carrier sound multiplexing system
09/21/1995DE4408930A1 Combination audio system suitable for motor vehicle installation
09/12/1995US5450081 Audio signal reproduction apparatus with frequency response dependent upon error rates
08/1995
08/09/1995EP0666661A2 Method for identifying the transmission mode in a digital multi-channel transmission system
07/1995
07/25/1995US5436591 Demodulator for radio data signals
07/13/1995WO1995019076A1 Methods and apparatus for providing virtual service selection in a multi-service communications system
07/12/1995EP0662270A1 Method for synchronising transmitter frequencies in common wave digital audio broadcast
06/1995
06/28/1995EP0660540A2 Decoder for decoding an encoded digital signal and a receiver comprising the decoder
06/27/1995US5428825 Method of selecting receiving frequency for RDS receiver
06/13/1995US5425101 System and method for simultaneously authorizing multiple virtual channels
06/08/1995WO1995015632A1 System and method for simultaneously authorizing multiple virtual channels
06/06/1995US5422681 Satellite broadcast receiving apparatus capable of forming co-distributing system
05/1995
05/23/1995US5418782 Methods and apparatus for providing virtual service selection in a multi-service communications system
05/10/1995EP0652654A1 Method for detecting data in an RDS bitstream
05/09/1995US5414384 Demodulator for radio data signals
04/1995
04/25/1995US5410751 Controlling muting, high frequency components and blending to reduce FM noise
04/25/1995US5410731 Satellite telecommunications facility capable of covering a plurality of coverage areas
04/19/1995EP0610367A4 Information broadcasting system and method.
04/13/1995DE4334440A1 Method and device for transmitting signals received via antennas
04/11/1995US5406558 Apparatus for communicating program information corresponding to digital data
04/05/1995EP0647041A1 Radio data system receiver comprising a power supply circuit controlled by programme type data
04/04/1995US5404505 System for scheduling transmission of indexed and requested database tiers on demand at varying repetition rates
03/1995
03/14/1995CA2103815C Radio frequency broadcasting systems and methods using two geosynchronous satellites
03/02/1995DE4338412C1 Method for detection of information in RDS data stream
02/1995
02/23/1995DE4403408C1 Method for identifying a transmission mode
02/22/1995EP0639902A1 Distribution device for the signals from satellite for an antenna installation
01/1995
01/31/1995US5386587 Satellite broadcasting receiving system with reception level indicator using control signal from receiver
01/26/1995DE4324304A1 Method for suppressing reception interference in an FM receiver
01/18/1995EP0634847A1 Data transmission system for broadcast distribution in a CATV system
01/05/1995WO1995001060A1 Interactive communications system with data distribution
01/05/1995CA2164300A1 Interactive communications system with data distribution
01/04/1995EP0632368A1 A radio card to be associated with a computer
12/1994
12/21/1994EP0630126A1 Method and device for the digital demodulation of digital data
12/21/1994EP0629323A1 Method and receiver for terrestrial digital radio transmission
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