Patents
Sitemap › H03 - Basic electronic circuitry › H03D - Demodulation or transference of modulation from one carrier to another › H03D 3 - Demodulation of angle-modulated oscillations
Patents for H03D 3 - Demodulation of angle-modulated oscillations (6,449)
07/1985
07/02/1985CA1189958A1 High sensitivity fm signal demodulation system
06/1985
06/25/1985US4525675 Ultra linear frequency discriminator circuitry
06/11/1985US4523329 FM receiver
06/11/1985US4523328 FM-receiver including a frequency-locked loop
06/11/1985US4523324 Direct modulation FM data receiver
06/11/1985US4523151 Linearized phase lock loop FM-demodulator
06/11/1985CA1188758A1 Electronic arrangement for generating an amplitude and phase-modulated carrier signal
06/11/1985CA1188757A1 Digital coherent psk demodulator and detector
06/05/1985EP0143556A2 Improvements relating to frequency modulation detectors
06/05/1985EP0143539A2 Digital demodulator arrangement for quadrature signals
06/05/1985EP0143400A2 FM demodulator
06/04/1985US4521892 Direct conversion radio receiver for FM signals
05/1985
05/14/1985US4517533 Integrated crystal VCO
04/1985
04/24/1985EP0138727A2 Receiving circuit for a wave modulated at one time in frequency by an analogue signal, at another time in phase by a digital signal
04/24/1985EP0138346A2 Variable oscillator
04/16/1985US4511924 Frequency translation phase-locked loop for separate or intercarrier type television sound detection
04/16/1985US4511849 FM Pulse counting demodulator with multiplier for input and delayed input signals
04/09/1985US4510463 Automatic gain controlled frequency discriminator for use in a phase locked loop
04/09/1985US4510453 Frequency modulation or pulse modulation demodulator
04/02/1985US4509205 Radio receiver comprising a frequency locked loop with audio frequency feedback, and a muting circuit
03/1985
03/27/1985EP0135301A1 Demodulation circuit from FM signals and demodulation system therefor
03/26/1985US4507578 Frequency discriminating circuit
03/20/1985EP0134600A1 FM demodulation circuit
03/19/1985US4506228 Digital FM detector
03/19/1985CA1184256A1 Direct modulation fm demodulator
03/12/1985US4504792 FM Detector using monostable multivibrators
03/06/1985EP0133730A2 Receiver circuit
02/1985
02/19/1985CA1182862A1 Programmable digital detector for the demodulation of angle modulated electrical signals
02/13/1985EP0132752A2 Detector for the indication of parasitic frequency deviation peaks
02/12/1985US4499605 FM-Receiver using a ratio detector with silicon diodes
02/12/1985US4499427 Digital FM demodulator using a filter having a linearly sloping frequency-amplitude characteristic
02/12/1985CA1182535A1 Synchronous receiver with analog high frequency section and digital low frequency section
01/1985
01/02/1985CA1180397A Pulse toggle monitor circuit
01/02/1985CA1180396A Pulse monitor circuit
12/1984
12/27/1984CA1180054A Double phase lock loop arrangement
12/25/1984US4490680 Integrable quadrature FM demodulator using fewer signal pins
12/18/1984US4489430 FM Stereo demodulation circuit
12/11/1984US4488119 FM Demodulator
12/04/1984US4486716 Digital FM demodulator using delay circuits
11/1984
11/27/1984US4485357 Circuit for amplitude and phase modulation of carrier signal by two respective input signals
11/20/1984US4484356 Apparatus and method for acquiring and processing radio signals received at different frequencies
11/20/1984CA1178341A1 Circuit for processing angle modulated broadcast signals
11/14/1984EP0124949A1 Mixer arrangement comprising first and second quadrature mixer stages
11/14/1984EP0124940A1 Phase-locked loop and device for demodulating frequency-modulated signals comprising such a loop
11/07/1984EP0124316A1 Frequency discriminators
11/06/1984US4481546 Modulator-demodulator for obtaining and demodulating frequency-modulated signal
10/1984
10/30/1984US4480327 Single channel duplex communication system
10/30/1984US4479514 Float positioning assembly for pilot operated valve
10/24/1984EP0122632A2 FM signal demodulation circuit
10/23/1984US4479255 Apparatus for acquiring and collecting radio signals coming from a plurality of stations
10/23/1984US4479249 Apparatus for collecting and processing messages transmitted at different signal frequencies
10/23/1984US4479091 Phase locked loop FM demodulator with variable bandwidth loop filter
10/17/1984EP0122095A2 Circuit for reducing offset error in FM detection
10/09/1984US4476586 IF Signal processing circuit in a receiver
10/09/1984US4476585 Baseband demodulator for FM signals
10/09/1984US4476435 Digital demodulation of frequency modulated signals
09/1984
09/25/1984US4473801 Demodulator circuit with phase control loop
09/18/1984US4472685 Phase-locked loop frequency demodulator and frequency synthesizer
09/04/1984US4470147 Radio receiver with quadrature demodulation and digital processing
09/04/1984US4470080 Circuit for detecting frequency modulated signal
08/1984
08/07/1984US4464770 Synchronous radio or television receiver with analog high frequency section followed by digital low frequency section
07/1984
07/31/1984US4463317 FM demodulator with regulation of the output D.C. component
07/03/1984US4458211 Integrable signal-processing semiconductor circuit
07/03/1984US4458207 FM Demodulator with variable bandpass filter
06/1984
06/26/1984US4457011 FM Broadcast band demodulator/stereo decoder
06/26/1984US4457005 Digital coherent PSK demodulator and detector
06/19/1984US4455680 Method and apparatus for receiving and tracking phase modulated signals
06/19/1984US4455533 Process for demodulating a frequency-modulated signal and demodulators using this process
06/13/1984EP0109966A1 Digital FM demodulation circuit
06/05/1984CA1168716A1 Ccd demodulator circuit
05/1984
05/29/1984US4451792 Auto-tuned frequency discriminator
05/22/1984US4450590 Discriminator circuit for frequency modulation receivers
05/09/1984EP0107884A1 Digital circuit for measuring the instantaneous frequency of a frequency-modulated or non modulated signal, as well as a television or radio receiver equipped with such a circuit
05/08/1984US4447772 Temperature stable pulse counting FM detector
05/08/1984CA1167168A1 Method for demodulating a frequency-modulated signal and demodulator performing this method
04/1984
04/03/1984US4441079 Multiple bandwidth FM demodulator
03/1984
03/14/1984EP0102576A2 Method for demodulating a frequency or phase modulated carrier signal and differential detector and modulator therefor
03/06/1984US4435682 Frequency demodulator employing a circuit having a delay varying with the received frequency
03/06/1984CA1163326A1 Radio receiver comprising a frequency locked loop with audio frequency feedback, and a muting circuit
02/1984
02/21/1984US4433308 PLL Detection circuit
02/14/1984US4431970 Quadrature detector using a double balanced differential circuit and a constant current circuit
01/1984
01/31/1984US4429239 Combined phase detector and low pass filter
01/25/1984EP0099265A1 Demodulator
01/25/1984EP0099142A2 Method and device for the demodulation of a frequency-modulated input signal
01/17/1984US4426735 Radio receiver comprising a frequency locked loop with audio frequency feedback, and a muting circuit
01/17/1984US4426622 Frequency discriminator
12/1983
12/27/1983CA1159564A1 Digital pseudo continuous tone detector
12/06/1983CA1158323A1 Adaptive phase lock loop demodulator
11/1983
11/29/1983US4418320 High frequency discriminator with a crystal phase shift network
10/1983
10/19/1983EP0091570A1 Digital demodulator
10/18/1983US4410856 Frequency demodulator having automatic gain control
10/04/1983US4408351 Directly mixing receiving system
09/1983
09/29/1983WO1983003326A1 Combined phase detector and low pass filter
09/28/1983EP0089624A2 Demodulator for converting a frequency-modulated input signal into a digital output signal
09/21/1983EP0089078A2 Circuit arrangement for an FM receiver
09/14/1983EP0088467A2 FM receiver including a frequency-locked loop
09/06/1983US4403255 FM/TV Automatic gain control system
08/1983
08/31/1983EP0086839A1 High-sensitivity fm demodulating system
08/31/1983EP0086838A1 High-sensitivity fm signal demodulation system
08/16/1983US4399560 Double phase lock loop arrangement
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