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)
06/1992
06/09/1992CA1303152C Phase demodulation device and its use in an mls
06/03/1992EP0488624A2 A digital quadrature phase detection circuit
06/03/1992EP0488558A1 Quadrature detecting apparatus
06/02/1992US5119199 Fm demodulator for video tape recorder
05/1992
05/20/1992EP0486095A1 Digital receiver
05/19/1992US5115409 Multiple-input four-quadrant multiplier
05/12/1992US5113142 QAM demodulator having automatic adaptive equalizer
05/06/1992CN1016553B Subscriber unit for wireless digital subscriber communication system
05/05/1992US5111202 Extended dynamic range quadrature detector with parallel channel arrangement
05/05/1992US5111161 Pll with lock detector for detecting a specified signal in a plurality of input signals
04/1992
04/30/1992WO1992007423A1 A novel demodulation method and apparatus
04/29/1992EP0482716A1 FM-demodulator
04/28/1992US5109542 AM-FM combined stereo receiver
04/28/1992US5109532 Elimination of phase noise and drift incident to up and down conversion in a broadcast communication system
04/21/1992CA1299250C Frequency difference detector (fdd) and a carrier modulated receiver including such a fdd
04/21/1992CA1299249C Receiver comprising parallel signal paths
04/16/1992WO1992004765A3 Frequency modulated synthesizer using low frequency offset mixed vco
04/14/1992US5105168 Vector locked loop
04/07/1992US5103123 Phase detector having all NPN transistors
04/01/1992EP0477463A1 Multipath detector for an FM tuner
03/1992
03/31/1992US5101418 Digital time-multiplexed quadrature frequency upconverter
03/18/1992EP0475521A1 Arrangement for demodulating an FM modulated signal
03/17/1992US5097221 Adaptive filter technique for suppression of wideband or offset narrowband radio frequency interference
03/12/1992DE4028573A1 Monostable flip=flop demodulator for FM signals - inverts FM input signal, reshaped in limiter, in NOT=gate
03/11/1992EP0474615A2 D.C. offset compensation in a radio receiver
03/10/1992US5095536 Direct conversion receiver with tri-phase architecture
03/10/1992US5095533 Automatic gain control system for a direct conversion receiver
03/01/1992WO1992004765A2 Frequency modulated synthesizer using low frequency offset mixed vco
02/1992
02/05/1992EP0469622A2 Method and apparatus for demodulating a biphase-coded signal
01/1992
01/23/1992WO1992001332A1 Fm demodulator
01/15/1992EP0198862B1 Process and circuit arrangement for converting frequency-modulated signals through at least one intermediate frequency into low-frquency signals
01/07/1992US5079526 Frequency modulated synthesizer using low frequency offset mixed VCO
01/07/1992US5079513 Demodulator and radio receiver having such a demodulator
12/1991
12/31/1991US5077538 Fm demodulator with carrier shift compensation
12/17/1991US5073898 Communication device
12/11/1991EP0196318B1 Inductorless quadrature demodulator
12/10/1991US5072192 Phase loop demodulator
11/1991
11/26/1991US5068876 Phase shift angle detector
11/19/1991US5067141 Interpolator for varying a signal sampling rate
11/13/1991EP0456099A2 On channel agile FM demodulator
10/1991
10/29/1991CA1291575C Level converting bus extender with subsystem selection signal decoding enabling connection to microprocessor
10/15/1991US5058107 Efficient digital frequency division multiplexed signal receiver
10/15/1991US5057786 Quadrature amplitude modulation wave demodulator provided with band-pass filters for fixed equalizer
10/09/1991EP0450001A1 Fully integrated digital fm discriminator
10/08/1991US5056115 Device for the division, at an optimum sampling rate, of a passband signal into its components on two carriers in quadrature
10/02/1991EP0448729A1 Tune detecting circuit
10/01/1991US5053717 FSK demodulator
09/1991
09/25/1991EP0448048A2 A signal detecting circuit for detecting a signal specified in a designated frequency
09/24/1991US5052050 Direct conversion FM receiver
09/24/1991US5051703 FM demodulator with tracking filter
09/11/1991EP0445886A1 Television receiver with reduced threshold level frequency demodulator
08/1991
08/22/1991WO1991012696A1 Process for the demodulation of secam-coded colour-television signals with a line-coupled cycle, and a circuit for carrying out the process
08/21/1991EP0442818A2 FM demodulator
08/20/1991CA1287883C Fm demodulator
08/13/1991US5039889 Phase comparison circuit
08/08/1991WO1991011854A1 Amplitude locked loop circuits
08/08/1991WO1991011853A1 Integrated fm detector
08/08/1991DE4003418A1 Integrierter fm detektor Integrated fm detector
07/1991
07/30/1991US5036291 On channel agile FM demodulator
07/23/1991US5034695 Full threshold FM demodulator
07/17/1991EP0436542A1 Fm receptor unit.
07/11/1991DE3943072A1 Ein interpolativer a/d umsetzer fuer bandpasssignale An interpolative a / d converter for bandpass signals
06/1991
06/28/1991WO1991010283A1 Interpolative analog/digital converter for band-pass signals
06/28/1991CA2072568A1 Interpolative analog/digital converter for band-pass signals
06/26/1991EP0434293A2 Method and device for the detection of an FM or PM modulated signal
06/19/1991EP0433032A2 Signal reproducing apparatus
06/19/1991EP0432683A1 Demodulator using phase locked loop
06/16/1991CA2032245A1 Phase-locked loop demodulator
06/11/1991US5023939 FM tuner with band extraction and optimization of a PLL FM demodulator
06/05/1991EP0430480A2 FSK time-delay demodulator with reduced DC-offset
06/05/1991EP0429948A2 Demodulator for an angle modulated signal and radio receiver having such a demodulator
05/1991
05/29/1991EP0259419B1 Double digital demodulator
05/21/1991US5017841 FM demodulator
05/14/1991US5015962 Phase demodulator and its application to an MLS type landing system
05/07/1991US5014352 Frequency difference detector (FDD) and a carrier modulated receiver including such a FDD
05/02/1991WO1991006150A1 Tune detecting circuit
05/02/1991EP0425267A2 Satellite receiver
04/1991
04/16/1991US5008900 Subscriber unit for wireless digital subscriber communication system
04/09/1991CA1282843C Inductorless active filter phase shift demodulator
03/1991
03/27/1991EP0419037A2 Detector circuit
03/27/1991EP0418270A1 Fm radio reception unit.
03/26/1991CA1282120C Fm receiver
03/21/1991WO1991003871A1 Fully integrated digital fm discriminator
03/20/1991EP0417148A1 Fm radio reception unit.
03/20/1991EP0417147A1 Fm radio receptor unit.
03/13/1991CN1049910A Manufacture of self-sustainings film filament type sensor and application of same
03/06/1991EP0415673A2 FM detector with reduced distortion
02/1991
02/27/1991EP0414305A2 Phase comparator circuit
02/27/1991CN1049581A Subscriber unit for wireless digital subscriber communication system
02/26/1991US4996697 Deglitching means for digital communication systems
02/20/1991EP0238599B1 Demodulation of television signals
02/19/1991US4994928 Frequency demodulation circuit
02/19/1991US4994802 Subscriber unit for wireless digital telephone system
02/19/1991US4994754 Digital FM demodulating apparatus
02/12/1991WO1991002242A1 Self-supporting thin-film filament detector, process for its manufacture and its applications to gas detection and gas chromatography
02/12/1991US4992748 Period-inverting FM demodulator
02/12/1991US4992747 A signal receiving system
02/12/1991CA2060183A1 Self-supporting thin-film filament detector, process for its manufacture and its applications to gas detection and gas chromatography
02/05/1991US4991226 FM detector with deviation manipulation
01/1991
01/29/1991US4989169 Digital tone detector using a ratio of two demodulators of differing frequency
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