Patents for H03D 3 - Demodulation of angle-modulated oscillations (6,449) |
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02/18/1997 | US5604926 Phase locked loop circuit current mode feedback |
02/18/1997 | US5604808 FM signal processor |
02/11/1997 | US5603109 Automatic frequency control which monitors the frequency of a voltage controlled oscillator in a PLL demodulator |
02/11/1997 | US5602877 Method and apparatus for information recovery in a radio communication device |
02/05/1997 | EP0757483A2 Digital I-Q converter circuit |
02/05/1997 | EP0757464A2 QAM spread spectrum demodulation system |
02/05/1997 | EP0757433A1 Apparatus and methods for setting up a tuning frequency of a PLL demodulator |
02/05/1997 | EP0756780A1 Improvements in or relating to communications receivers |
01/29/1997 | EP0755586A1 Receiver comprising a pulse count fm demodulator, and pulse count fm demodulator |
01/29/1997 | CN1141531A Bus aligned quadrature FM detector |
01/22/1997 | EP0755113A2 Radio receiver and frequency generator |
01/22/1997 | CN1140957A Sine-wave modulator and play-back/recording modulator-demodulator for high-fidelity video play-back-recording system |
01/21/1997 | US5596606 Synchronous detector and methods for synchronous detection |
01/21/1997 | US5596298 Bus aligned quadrature FM detector |
01/15/1997 | CN1140359A Device for controlling output level of FM detecting circuit using phase locked loop |
01/14/1997 | US5594759 Quasi-synchronous detection and demodulation circuit and frequency discriminator used for the same |
01/14/1997 | US5594344 Method and apparatus for generating and detecting amplitude and phase modulated sensor signals |
01/14/1997 | US5594341 Nuclear magnetic resonance receiver, method and system |
01/09/1997 | WO1997001218A1 A digital radio system, a digital radio device, and a quadrature demodulator |
01/09/1997 | WO1997001217A1 Device for simultaneously demodulating a multifrequency signal, in particular for an eddy current measurement |
01/09/1997 | CA2225524A1 Device for simultaneously demodulating a multifrequency signal, in particular for an eddy current measurement |
01/07/1997 | US5592513 Synchronous modulator and methods for synchronous modulation |
01/03/1997 | WO1997000555A1 Method and apparatus for baud rate detection with reduced noise falsing in an fm receiver |
01/01/1997 | CN1139507A Circuit for the acquisition of a carrier signal by applying a substitute pilot to a synchronous demodulator |
01/01/1997 | CN1139321A Receiver and associated method for timing recovery and frequency estimation |
12/17/1996 | US5586147 Demodulation method using quadrature modulation |
12/10/1996 | US5584068 Direct conversion receiver |
12/10/1996 | US5584063 If filter arrangement for FM reception signals |
12/10/1996 | US5584062 Method and apparatus for compensating phase locked receivers |
12/05/1996 | WO1996038924A1 Wideband zero if demodulator using single l.o |
12/04/1996 | CN1137333A Receiver with quadrature decimation stage, method of processing digital signals |
11/28/1996 | WO1996037987A1 Method and device for phase-modulated signals |
11/28/1996 | WO1996037948A1 Methods and apparatus for modulating, demodulating and amplifying |
11/28/1996 | DE4143537C2 DC offset correction apparatus for receiver |
11/28/1996 | CA2222091A1 Methods and apparatus for modulating, demodulating and amplifying |
11/28/1996 | CA2194662A1 Method and device for phase-modulated signals |
11/27/1996 | EP0195010B2 Automatic gain control circuit |
11/26/1996 | US5579347 Digitally compensated direct conversion receiver |
11/21/1996 | WO1996031943A3 Quadrature signal conversion device |
11/20/1996 | CN1136377A Receiver having an adjustable symbol slice demodulator |
11/14/1996 | WO1996036104A1 A direct conversion receiver |
11/06/1996 | EP0741478A2 Circuit for performing arithmetic operations in a demodulator |
11/06/1996 | EP0716788A4 Apparatus for performing frequency conversion in a communication system |
11/05/1996 | US5572164 FM demodulator with threshold extension and receiver comprising such an FM demodulator |
10/29/1996 | US5570395 Method and apparatus for the cancellation of interference in electrical systems |
10/24/1996 | WO1996033554A1 Rf apparatus |
10/24/1996 | DE19609504A1 Empfänger und zugehöriges Verfahren zur Taktrückgewinnung und zur Frequenzschätzung Receiver and associated method for clock recovery and for frequency estimation |
10/23/1996 | EP0739090A1 Transceiver and method for generating and processing of complex I/Q-signals |
10/22/1996 | US5568520 Slope drift and offset compensation in zero-IF receivers |
10/22/1996 | US5568305 Heterodyne receiver provided with a frequency discriminator for coherent lightwave communications |
10/22/1996 | US5568185 Method of converting an analog image signal to a digital image signal |
10/16/1996 | EP0738053A2 Automatic frequency control circuit applicable to a mobile communication system |
10/10/1996 | WO1996031943A2 Quadrature signal conversion device |
10/09/1996 | EP0736966A1 Bus aligned quadrature FM detektor |
10/09/1996 | EP0736965A1 Signal demodulation method and apparatus therefor using multi-ary sampling |
10/01/1996 | US5561716 Demodulator |
10/01/1996 | US5561403 Oscillator and modulator arrangements on a circuit board |
09/25/1996 | CN1032891C Device for modulator |
09/19/1996 | WO1996028885A1 Slope, drift and offset compensation in zero-if receivers |
09/18/1996 | EP0732803A1 Method and device for demodulation by sampling |
09/18/1996 | EP0732020A1 Receiver having an adjustable symbol slice demodulator |
09/18/1996 | EP0732003A1 Fm demodulator with threshold extension and receiver comprising such an fm demodulator |
09/17/1996 | US5557642 Communications receiver |
09/17/1996 | US5557632 Demodulation and roll-off filter apparatus |
09/11/1996 | CN1130832A Soft decision digital communication method and apparatus |
09/10/1996 | US5554955 Method and apparatus for removing the effects of co-channel interference from the message on a dominant frequency modulated carrier and for recovering the message from each of two co-channel carriers |
08/28/1996 | CN1130002A Apparatus for performing frequency conversion in a communication system |
08/28/1996 | CN1130000A Digital phase locked loop |
08/27/1996 | US5550878 Phase comparator |
08/27/1996 | US5549870 Self-supporting thin-film filament detector, process for its manufacture and its application to gas detection and gas chromatography |
08/22/1996 | WO1996025790A1 Improvements in or relating to communications receivers |
08/20/1996 | US5548831 FM Receiver having multiple IF stages |
08/20/1996 | US5548244 Method for converting an input signal |
08/20/1996 | US5548243 Demodulator for demodulating a single side band signal, a real zero single side band signal and a frequency modulated signal, and a carrier signal reproducing circuit for the demodulator |
08/14/1996 | EP0726650A1 Balanced phase splitting circuit |
08/07/1996 | CN1128437A Intermediate-frequency detection circuit |
08/06/1996 | US5543742 Phase shifting circuit |
07/31/1996 | EP0701750A4 A wide bandwidth discriminator for use in a radio receiver |
07/31/1996 | CN1128091A Method and apparatus for automatic gain control and dc offset cancellation in quadrature receiver |
07/30/1996 | US5541959 Method and apparatus for the cancellation of interference in electrical systems |
07/30/1996 | US5541955 Adaptive data rate modem |
07/24/1996 | EP0723335A1 Radio receiver apparatus of orthogonal detection type comprising local oscillator means with improved automatic frequency control arrangement |
07/18/1996 | WO1996021968A1 System and method for digital fm demodulation |
07/17/1996 | EP0722215A1 PLL-FM demodulator |
07/11/1996 | WO1996021305A1 Multiple access digital transmitter and receiver |
07/11/1996 | WO1996021292A1 Wideband frequency signal digitizer and method |
07/10/1996 | EP0627138B1 Demodulator for radio data signals |
07/09/1996 | US5535249 Precise detection of frequency error for bursts modulated by predetermined symbol sequence |
07/09/1996 | CA2042797C Delay detecting circuit for phase shift keying modulated signals |
07/04/1996 | WO1996020539A1 Digitally compensated direct conversion receiver |
07/04/1996 | CA2208850A1 Digitally compensated direct conversion receiver |
07/03/1996 | EP0720315A1 Method for narrow band frequency modulation or phase modulation; transmitter and receiver for carrying out the method |
07/03/1996 | CN1126006A A wide bandwidth discriminator for use in a radio receiver |
06/26/1996 | EP0719015A2 Frequency detector for carrier synchronisation |
06/26/1996 | EP0719013A2 DC offset correction circuit |
06/21/1996 | CA2161167A1 Dc offset correction circuit |
06/19/1996 | EP0716788A1 Apparatus for performing frequency conversion in a communication system |
06/19/1996 | CN1125017A Terrestrial and satellite television reception tuner |
06/19/1996 | CN1125016A Direct conversion tuner |
06/12/1996 | EP0198009B1 Current source with adjustable temperature coefficient |