Patents for H03D 3 - Demodulation of angle-modulated oscillations (6,449)
08/1986
08/26/1986US4608539 FM detector with injection locked divider input circuit
08/26/1986US4608538 FM quadrature detector with ferrite bead tuned circuit
08/19/1986US4607392 Circuit for improving the tuning behavior of a receiver frequency control loop
08/19/1986CA1210072A1 Direct modulation fm data receiver
08/13/1986EP0190613A1 Microwave discriminator and device for using it
08/12/1986US4606075 Automatic gain control responsive to coherent and incoherent signals
08/12/1986US4605904 Phase locked loop frequency demodulator having an adjustable bandwidth
08/05/1986US4604568 Current source with adjustable temperature coefficient
07/1986
07/29/1986US4603302 Frequency modulation detectors
07/29/1986US4603301 Amplitude insensitive delay lines in a frequency modulated signal detector
07/29/1986US4603300 Frequency modulation detector using digital signal vector processing
07/29/1986CA1208701A1 Fm-receiver including a frequency-locked loop
07/23/1986EP0045801B1 Digital pseudo continuous tone detector
07/22/1986US4602217 FM demodulator capable of shifting demodulation-band center frequency
07/22/1986CA1208345A1 Frequency discriminator
07/15/1986US4600890 Demodulator comprising a phase-locked loop
07/08/1986US4599743 Baseband demodulator for FM and/or AM signals
07/02/1986EP0186568A2 Digital demodulator for continuously phase or frequency modulated signals
07/02/1986CA1207037A Demodulator
06/1986
06/24/1986US4596955 Phase-locked loop and device for demodulating frequency modulated signals, comprising such a loop
06/11/1986EP0184018A2 Demodulator for a digital receiver
06/10/1986US4594556 Demodulation circuit from FM signals and demodulation system therefor
06/10/1986US4594555 Frequency selective sampling detector
06/03/1986US4593266 Analog-to-digital converter/demodulator for FM signals
05/1986
05/27/1986US4592074 Simplified hardware implementation of a digital IF translator
05/27/1986US4591798 FM signal demodulation circuit
05/27/1986US4591797 PSK demodulator having an AFC circuit
05/20/1986CA1204827A1 Method of and arrangement for demodulating a frequency-modulated input signal
05/07/1986EP0180339A2 A multi-mode radio transceiver
05/07/1986EP0180153A2 Digital crystal-stable FM discriminator
04/1986
04/24/1986WO1986002505A1 Process and circuit arrangement for converting frequency-modulated signals through at least one intermediate frequency into low-frquency signals
04/15/1986US4583239 Digital demodulator arrangement for quadrature signals
04/15/1986US4583047 Reception circuit for a wave modulated at one time in frequency by an analog signal and at another time in phase by a digital signal
04/15/1986CA1203289A1 Differential detector for demodulating fm or pm signals
04/10/1986WO1986002215A1 Current source with adjustable temperature coefficient
04/10/1986WO1986002213A1 Inductorless quadrature demodulator
04/08/1986US4581556 Double thickness mode energy trapped piezoelectric resonating device
04/08/1986CA1203009A1 Fm/tv automatic gain control system
04/02/1986EP0175711A1 Circuit and method for linearizing the output signal of a fm detector
04/01/1986US4580110 Frequency modulator using material having sliding charge density waves
03/1986
03/26/1986EP0175058A2 Method and circuit for generating a D.C. control voltage
03/25/1986US4578653 Frequency selective filter circuit
03/18/1986US4577158 Demodulator with drop-out compensation and reciprocal amplifier
03/18/1986US4577157 Zero IF receiver AM/FM/PM demodulator using sampling techniques
02/1986
02/26/1986EP0172679A1 Frequency modulation and demodulation
02/19/1986EP0171529A2 Tunable resonance circuit for a PLL-FM demodulator
02/12/1986EP0170675A1 Demodulator for colour television signals including a sub-carrier
02/11/1986US4570126 FM Demodulator using interpolation to approximate zero crossings
02/05/1986EP0169915A1 Digital phase demodulator
02/04/1986US4569085 Oscillator control circuit in an F.M. receiver
01/1986
01/28/1986US4567442 Method and apparatus for demodulating time-discrete frequency-modulated signals
01/28/1986US4567441 Circuit and method for linearizing the output signal of an FM detector
01/22/1986EP0168460A1 Demodulator for television signals.
01/21/1986CA1199689A1 Phase locked loop variable oscillator with switched capacitors
01/14/1986US4564815 FM Demodulator PLL with compensation for nonlinear varactor characteristics
01/14/1986CA1199377A1 Baseband demodulator for fm signals
01/07/1986US4563651 FM Demodulator with variable bandpass filter
01/02/1986EP0166380A2 frequency selective filter circuit
01/02/1986EP0165941A1 A phase shift keying and phase modulation transmission system
12/1985
12/31/1985US4562404 FM Demodulator with selective phase shift circuits
12/24/1985US4561113 Distortion canceller for FM receiver
12/24/1985US4560943 F.M. demodulator with fail-safe features
12/24/1985US4560941 Frequency modulation detector using digital signal vector processing
12/24/1985CA1198485A1 Demodulator for a frequency-modulated signal
12/19/1985WO1985005743A1 Automatic gain control circuit
12/18/1985EP0165066A2 FM signal demodulator
12/17/1985US4559566 FM demodulating circuit having an insensitive frequency point
12/10/1985US4558284 Digital frequency-modulated demodulation
12/03/1985US4556988 Indoor unit of receiver for broadcasting satellite
12/03/1985US4556982 Energy discriminating channel select logic
11/1985
11/27/1985EP0162525A2 Circuit arrangement for the reduction of the distortions in an FM quadrature demodulator
11/27/1985EP0162514A1 Adjustable bandwidth frequency demodulator circuit
11/21/1985EP0161325A1 Digital frequency discriminator demodulating a digital signal
11/12/1985CA1196727A1 Process for demodulating a frequency-modulated signal and demodulators using this process
11/06/1985EP0160484A2 FM receiver including a baseband PLL circuit
10/1985
10/30/1985EP0159560A1 PSK demodulator having an AFC circuit
10/22/1985US4549143 F.M. Demodulator with waveform correction circuit
10/16/1985EP0158210A2 Ratio discriminator
10/15/1985US4547902 Radio receiver comprising a frequency locked loop with audio frequency feedback, and a muting circuit
10/15/1985US4547739 Signal demodulation system for wideband FM
10/15/1985US4547737 Demodulator of sampled data FM signals from sets of four successive samples
10/10/1985WO1985004536A1 Circuit and method for linearizing the output signal of a fm detector
09/1985
09/25/1985EP0155708A1 Bridge-connected demodulator
09/24/1985US4543532 Digital FM demodulator
09/24/1985CA1194150A1 Fm-demodulator
09/17/1985US4542534 Single-sideband FM
08/1985
08/27/1985US4538112 Detector using delayed and undelayed inputs for demodulating FM or PM signals
08/15/1985WO1985003615A1 Demodulator for colour television signals including a sub-carrier
08/14/1985EP0151334A2 Direct conversion frequency modulation radio receiver
08/13/1985US4535296 FM-Demodulator with ladder filter delay line and multiplier
08/07/1985EP0150880A2 Demodulator using phase-locked loop
08/01/1985WO1985003399A1 Demodulator for television signals
07/1985
07/23/1985US4531148 High sensitivity FM signal demodulation system
07/09/1985US4528511 Circuit for digital FM demodulation
07/09/1985CA1190289A1 Fm signal demodulation system
07/04/1985WO1985002966A1 A phase shift keying and phase modulation transmission system
07/03/1985EP0147120A2 A zero if demodulator and method of demodulation
07/03/1985EP0146652A1 A digital demodulator for digitized frequency-modulated signals
07/02/1985US4527187 High sensitivity FM signal demodulation system
07/02/1985CA1189959A1 High sensitivity fm signal demodulation system
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