Patents for H03D 3 - Demodulation of angle-modulated oscillations (6,449) |
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08/23/1995 | CN1029579C Apparatus and method of DC offset correction for receiver |
08/22/1995 | US5444744 Phase locked loop for synchronizing with carrier wave |
08/22/1995 | US5444736 Radio communication apparatus having an automatic frequency control circuit for controlling a transmission frequency on the basis of a reception frequency |
08/22/1995 | US5444416 Digital FM demodulation apparatus demodulating sampled digital FM modulated wave |
08/22/1995 | US5444311 Integrated circuit and its connecting circuit |
08/08/1995 | US5440586 Receiver having reduced influence of oscillator radiation and parasitic crosstalk effects on gain control |
08/08/1995 | US5440269 Digital FM demodulator having an address circuit for a lookup table |
08/01/1995 | US5438692 Direct conversion receiver |
07/25/1995 | US5436591 Demodulator for radio data signals |
07/18/1995 | CA1336337C Digital fm demodulator with a reduced sampling rate |
07/12/1995 | EP0662267A1 If filter arrangement for fm reception signals |
07/06/1995 | WO1995018508A1 Circuit for the acquisition of a carrier signal by applying a substitute pilot to a synchronous demodulator |
07/05/1995 | CN1104820A Detectors |
06/28/1995 | EP0660506A1 FM Signal demodulator |
06/28/1995 | EP0660505A2 Error-free pulse noise canceler used in FM tuner |
06/14/1995 | EP0658007A1 Circuit for the analog-digital conversion of IF-signals |
06/14/1995 | CN1103752A FM Receiver |
06/06/1995 | US5423075 Combined radio transmission and reception apparatus with a PLL circuit |
06/06/1995 | US5422889 Offset correction circuit |
06/01/1995 | DE4340012A1 Digital stereo signal demodulator with cordic demodulator |
06/01/1995 | DE4193233C2 Einrichtung und Verfahren zur Gleichstromversatz-Korrektur für einen Empfänger Apparatus and method for DC offset correction for a receiver |
05/31/1995 | EP0573409B1 Interpolative analog/digital converter for band-pass signals |
05/23/1995 | US5418815 Receiver adaptively operable for multiple signal transmission systems |
05/23/1995 | US5418489 Method of recovering a frequency modulated signal |
05/18/1995 | WO1995013675A1 Digital methods and apparatus for reverse link signal detection and recovery in a mobile data base station |
05/16/1995 | US5416805 Receiver for receiving frequency modulated signals and having a controlled acquisition band |
05/10/1995 | EP0591260B1 Arrangement for a modulator |
05/09/1995 | US5414741 Low phase noise oscillator frequency control apparatus and method |
05/09/1995 | US5414735 Method of processing digital signals |
05/09/1995 | US5414385 Dual mode FM quadrature detector |
05/09/1995 | US5414383 Four quadrant multiplier circuit and a receiver including such a circuit |
04/25/1995 | US5410368 Carrier acquisition by applying substitute pilot to a synchronous demodulator during a start up interval |
04/20/1995 | WO1995010879A1 Method of recovering a frequency modulated signal |
04/19/1995 | EP0649226A2 Circuit arrangement for long-wave radio broadcast control receiver |
04/19/1995 | CA2118293A1 Monolithic uhf/l-band direct digital receiver |
04/18/1995 | US5408196 Signal receiving device |
04/18/1995 | US5408195 FM demodulation circuit |
04/11/1995 | US5406218 Phase demodulator receiving inputs from phase detector and binary phase detector |
04/11/1995 | CA2087719C Frequency modulated synthesizer using low frequency offset mixed vco |
04/06/1995 | WO1995009480A1 Fm threshold expansion detector circuit |
04/05/1995 | EP0640261A4 Data transmission delaying circuit using time-multiplexed latch enable signals. |
04/05/1995 | EP0486596B1 Self-supporting thin-film filament detector, process for its manufacture and its applications to gas detection and gas chromatography |
04/05/1995 | CN1101180A 频率解调电路 Frequency demodulation circuit |
04/04/1995 | US5404589 FM receiver with dynamic intermediate frequency (IF) filter tuning |
04/04/1995 | US5404587 AFC circuit and IC of the same adapted for lower heterodyne conversion and upper heterodyne conversion |
03/30/1995 | DE4410608C1 Arrangement for determining the frequency offset in a demodulator for signals with two-dimensional modulation |
03/30/1995 | DE4332767A1 Method for controlling an FM receiver with a re-adjustable IF filter |
03/29/1995 | EP0645891A1 Frequency tuning for a phase locked loop |
03/29/1995 | EP0645882A1 Demodulation of FM carrier |
03/29/1995 | EP0645881A1 Demodulation of FM audio carrier |
03/23/1995 | DE4420376A1 Modulator Modulator |
03/23/1995 | DE4410607C1 Arrangement for determining the frequency offset in a demodulator for signals with two-dimensional modulation |
03/21/1995 | US5400366 Quasi-synchronous detection and demodulation circuit and frequency discriminator used for the same |
03/21/1995 | US5399964 Peak amplitude detector for use in a synchronized position demodulator |
03/15/1995 | EP0643477A2 Demodulation of an IF-signal by a sigma-delta converter |
03/15/1995 | EP0643476A1 Direct conversion receiver |
03/14/1995 | US5398080 Television receiver for terrestrial broadcasting |
03/14/1995 | US5398002 Automatic frequency control system by quadrature-phase in frequency or phase demodulating system |
03/09/1995 | WO1995006983A1 A method for determining desired components of quadrature modulated signals |
03/08/1995 | EP0642216A1 Tracking filter and quadrature-phase reference generator |
03/07/1995 | US5396656 Method for determining desired components of quadrature modulated signals |
03/07/1995 | US5396521 Receiver capable of reducing power consumption in a PLL circuit |
03/07/1995 | US5396520 Digital RF receiver |
03/01/1995 | EP0640811A1 Sinusoidal signal demodulation |
03/01/1995 | EP0640261A1 Data transmission delaying circuit using time-multiplexed latch enable signals |
02/15/1995 | EP0638992A1 Frequency demodulation circuit |
02/07/1995 | CA2022128C Subscriber unit for wireless digital subscriber communication system |
02/02/1995 | WO1995003650A1 If filter arrangement for fm reception signals |
01/18/1995 | EP0634855A1 Automatic frequency control for direct-conversion FSK receiver |
01/18/1995 | EP0613595A4 Digital demodulator. |
01/18/1995 | CN1027477C Digit phase detector |
01/10/1995 | CA2038585C Signal detecting circuit for detecting a signal specified in a designated frequency |
01/03/1995 | US5379323 DQPSK delay detection circuit |
12/27/1994 | US5376891 Phase-sensitive rectifier arrangement with integration effect |
12/22/1994 | WO1994029949A1 Terrestrial and satellite television reception tuner |
12/22/1994 | WO1994029948A1 Direct conversion tuner |
12/14/1994 | EP0629041A1 Automatic frequency control apparatus and method therefor |
12/14/1994 | EP0629040A1 Method and apparatus for IF demodulation of a high frequency input signal |
12/14/1994 | EP0358649B1 Arrangement for filtering an incoming fm signal |
12/08/1994 | DE4318276A1 Television tuner for terrestrial reception and satellite reception |
12/07/1994 | EP0627138A1 Demodulator for radio data signals. |
12/03/1994 | CA2124879A1 Quadrature fm demodulator apparatus |
11/29/1994 | US5369790 Radio receiver |
11/29/1994 | US5369470 FM receiver which detects and responds to receiving and interference states |
11/29/1994 | US5369404 Combined angle demodulator and digitizer |
11/22/1994 | US5367538 Apparatus and method for direct phase digitizing |
11/17/1994 | EP0624959A1 FM receiver with an oversampling circuit |
11/09/1994 | EP0623993A2 Four quadrant multiplier circuit and a receiver including such a circuit |
11/08/1994 | CA1332961C Multiple reuse of an fm band |
11/02/1994 | EP0622893A1 Method and apparatus for normalising components of a complex signal |
11/01/1994 | US5361408 Direct conversion receiver especially suitable for frequency shift keying (FSK) modulated signals |
11/01/1994 | US5361036 Complex digital demodulator employing Chebychev-approximation derived synthetic sinusoid generation |
10/11/1994 | US5355172 Method and apparatus for sampling a reference signal |
10/06/1994 | DE4417052A1 Method for digital demodulation of frequency-modulated signals |
10/06/1994 | DE4310462A1 Method for demodulating frequency-modulated signals |
10/05/1994 | EP0618676A1 Tunable device |
10/05/1994 | EP0618672A1 Frequency modulated signals demodulation method |
09/29/1994 | DE4309684A1 Method for demodulating frequency-modulated signals |
09/28/1994 | EP0617507A1 Frequency modulated signals demodulation method |
09/21/1994 | EP0616434A1 Digital superheterodyne receiver and method for baseband filtering |