Patents
Patents for H04H 40 - Arrangements specially adapted for receiving broadcast information (5,791)
10/1992
10/07/1992EP0507530A2 Radio data system receiver
09/1992
09/23/1992EP0505284A1 Satellite telecommunication installation applicable to several coverage zones
09/16/1992EP0503154A2 RDS receiver
08/1992
08/13/1992DE4103064A1 Radio data signal receiver esp. for car
08/06/1992DE4103061A1 Radio data signal receiver esp. for car
08/05/1992EP0497115A2 RDS broadcast receiver
08/04/1992US5136649 Fm stereophonic receiver
07/1992
07/22/1992CN1063006A Method and apparatus for transmitting, receiving and communicating program data signals with digital data signals
07/08/1992EP0493653A1 Color tv satellite broadcast receiver internally installed
05/1992
05/28/1992WO1992010040A1 Method and apparatus for transmitting, receiving and communicating data signals with corresponding program data signals
05/13/1992EP0485222A2 Stereo monaural detection apparatus with differential and add components detection
05/06/1992EP0483463A2 Device for programming the channels of a satellite receiver
04/1992
04/28/1992US5109414 Signal processing apparatus and methods
04/22/1992CN2102588U Electric network frequency modulated carrier, wireless amplitude modulation radio cassette recorder
04/21/1992US5107134 Matrix circuit of fm stereo multiplex demodulation circuit
04/07/1992US5103480 FMX identification signal detection apparatus
03/1992
03/25/1992EP0476826A2 A method of selecting receiving frequency for RDS receiver
03/04/1992EP0472581A1 Portable personal reception and display device for information transmitted via radio, combined with a watch
02/1992
02/25/1992US5091943 Fm stereo receiving device
02/19/1992EP0471412A2 Receivers for frequency modulated transmissions
02/13/1992DE4025241A1 Microwave reception device with antenna dish - has function control data signals fed to antenna dish via antenna cable
02/05/1992EP0469963A1 Device for distributing video- and/or audiosignals among several receivers
02/05/1992EP0382764A4 Signal processing apparatus and methods
02/04/1992US5086511 Mobile receiver
01/1992
01/15/1992EP0426812A4 Gallium-arsenide switching mixer
12/1991
12/17/1991US5073930 Method and system for receiving and distributing satellite transmitted television signals
11/1991
11/12/1991US5065452 Digital traffic news evaluation method
10/1991
10/24/1991DE4012657A1 Satellite reception dish - has distribution cable with respective outputs for each carrier frequency
10/02/1991EP0449552A2 System for distributing broadcasting material
08/1991
08/21/1991EP0441851A1 Satellite radio receiver
08/07/1991EP0439782A2 Receiver for broadcast transmissions
07/1991
07/02/1991US5029232 Satellite communications network
06/1991
06/20/1991DE4003082C1 Sound broadcasting station receiver esp. UHF car radio - controls frequency of mixing oscillator using program memory for subcarriers
06/11/1991US5023933 Superheterodyne SCA receiver and method for the manufacture thereof
05/1991
05/28/1991US5020143 Vehicular radio receiver with stored detour data
05/15/1991EP0426812A1 Gallium-arsenide switching mixer.
04/1991
04/20/1991WO1991006159A1 Method and system for receiving and distributing satellite transmitted television signals
04/20/1991CA2066268A1 Method and system for receiving and distributing satellite transmitted television signals
04/18/1991DE4014394A1 Preventing faulty operation of audio changeover switch - uses decision step for testing stereo or mono mode of received signal
04/04/1991WO1990014150A3 Gallium-arsenide switching mixer
03/1991
03/19/1991US5001728 Method and apparatus for demodulating a biphase signal
03/14/1991DE3929824A1 Two-band frequency converter for SHF range - has preamplifier, diplexer with filter function and local oscillator in two frequency branches
02/1991
02/21/1991DE3926984A1 Car radio and cassette player - monitors radio stations enabling automatic over riding of cassette player
02/05/1991US4990924 Satellite locating system
01/1991
01/20/1991CA2013287A1 Satellite locating system
01/09/1991EP0407263A1 Receiving system for TV signals which are retransmitted by satellites
01/09/1991CN1048473A Digital transmission system transmitter and receiver for use in transmission system, and record carrier obtained by means of transmitter in form of recording device
01/05/1991WO1991000646A1 Receiving system for satellite-transmitted television signals
01/05/1991CA2035445A1 System for receiving tv signals transmitted by satellite
01/02/1991EP0405004A2 Satellite receipt installation
12/1990
12/19/1990EP0402973A1 Digital transmission system, transmitter and receiver for use in the transmission system, and record carrier obtained by means of the transmitter in the form of a recording device
12/02/1990CA2475414A1 Decoder, receiver and method for decoding an encoded digital audio signal
11/1990
11/29/1990WO1990014721A1 Portable personal reception and display device for information transmitted via radio, combined with a watch
11/29/1990WO1990014150A2 Gallium-arsenide switching mixer
11/28/1990EP0399534A2 Fm stereophonic receiver
11/06/1990US4969209 Broadcast receiver capable of selecting stations based upon geographical location and program format
10/1990
10/23/1990US4965825 Method of generating computer output
09/1990
09/26/1990EP0388919A2 Matrix circuit of FM stereo multiplex demodulation circuit
09/19/1990EP0387810A2 Mobile receiver
08/1990
08/29/1990EP0384368A2 Method for the surveillance of several traffic radio transmitters
08/22/1990EP0382764A1 Signal processing apparatus and methods.
08/16/1990EP0381937A2 Warning messages reproduction system
07/1990
07/24/1990US4944010 Stereo demodulator and a demodulating method thereof
06/1990
06/27/1990EP0374996A1 FM-receiver
06/12/1990US4933972 Stereo multiplex demodulator
05/1990
05/23/1990CN1042460A Satellite radio receiver
05/17/1990WO1990005410A1 Satellite radio receiver
05/16/1990EP0368313A2 Video tape recorder capable of receiving teletext broadcasting
05/16/1990CN1008040B Improved amplitude-modulated stereo radio system
05/09/1990EP0367214A1 Satellite broadcast receiver
05/01/1990US4921466 Output processing circuit for radio frequency receiver
04/1990
04/26/1990DE3838328C1 Traffic radio memory for a car radio
04/25/1990EP0365071A2 Method for distributing data signals over broadcast satellites
04/25/1990EP0364749A2 Radio receiver
04/19/1990DE3934314A1 Radio data signal receiver for automobile - performs channel pre selection and automatic switching to different frequency to provide same programme upon loss of signal
03/1990
03/28/1990CN1007395B Switch dividing device for common reception
01/1990
01/25/1990DE3824309A1 Method for evaluating traffic information, which is received in digitally coded form in a data message, as well as a broadcast radio receiver
01/03/1990EP0349237A2 A stereo multiplex demodulator
12/1989
12/21/1989DE3820640A1 Evaluation method for digital traffic messages
11/1989
11/30/1989DE3903262A1 Receiving system for a satellite broadcasting system
11/14/1989US4881273 RDS system radio
11/02/1989EP0339329A2 Radio receiver with a decoder
10/1989
10/26/1989DE3812120A1 Car radios integrated insert for storing and for receiving traffic announcements
10/18/1989EP0337609A2 Radio data system receivers
10/05/1989DE3810180A1 Broadcast receiver, particularly vehicle receiver
10/05/1989DE3810179A1 Broadcast receiver, particularly vehicle receiver
10/05/1989DE3810178A1 Broadcast receiver, particularly vehicle receiver
09/1989
09/27/1989CN1035926A Improved amplitude modulation stereophonic radio system
09/20/1989EP0333194A2 Radio data system receiver
06/1989
06/29/1989DE3842272A1 Noise suppression device for an FM receiver
06/29/1989DE3833025A1 Circuit arrangement for synchronising digital receivers, particularly satellite sound broadcast receivers
06/14/1989EP0319778A2 Data-receiving apparatus
05/1989
05/24/1989EP0316952A2 Stereo demodulator and a demodulating method thereof
05/02/1989US4827515 Digital demodulator
04/1989
04/27/1989DE3734084A1 Method of reproducing multichannel sound signals
03/1989
03/29/1989EP0308520A1 Digital-Demodulator
03/23/1989WO1989002682A1 Signal processing apparatus and methods
03/08/1989EP0110994B1 Am stereo receiver
03/02/1989DE3827310A1 Rundfunkdatensystem (rds)-empfaenger und verfahren zur steuerung eines derartigen empfaengers Radio Data System (RDS) receiver and method for controlling of such a receiver
03/01/1989EP0304923A2 Output processing circuit for radio frequency receiver
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