| Patents for H03D 3 - Demodulation of angle-modulated oscillations (6,449) |
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| 08/24/1993 | US5239273 Digital demodualtor using signal processor to evaluate period measurements |
| 08/11/1993 | EP0555001A1 FM demodulation circuit |
| 07/28/1993 | EP0552642A1 Combined radio transmitter and receiver with PLL circuit |
| 07/28/1993 | EP0552494A2 Method and circuit for offset correction in a TDMA radio receiver |
| 07/20/1993 | US5230099 System for controlling phase and gain errors in an i/q direct conversion receiver |
| 07/20/1993 | US5230011 Receiver |
| 07/19/1993 | CA2087231A1 Method and circuit arrangement for offset correction in a tdma radio receiver |
| 07/06/1993 | CA1319957C2 Subscriber unit for wireless digital telephone system |
| 06/16/1993 | EP0546088A1 Frequency modulated synthesizer using low frequency offset mixed vco |
| 06/15/1993 | US5220583 Digital fm demodulator with a reduced sampling rate |
| 06/15/1993 | US5220427 Magnetic reproducing apparatus having circuit for preventing reversal of white peak |
| 06/15/1993 | US5220275 Accumulator phase digitizer |
| 06/14/1993 | WO1993012578A1 Apparatus and method for direct phase digitizing |
| 06/10/1993 | WO1993011623A1 Demodulation method using quadrature modulation |
| 06/08/1993 | US5218448 Signal reproducing apparatus |
| 05/27/1993 | WO1993010596A1 Digital demodulator |
| 05/18/1993 | US5212834 Circuit for extending the dynamic range of an intermediate level selector |
| 05/18/1993 | US5212826 Apparatus and method of dc offset correction for a receiver |
| 05/12/1993 | EP0540906A1 Phase-sensitive rectifying device with integrating effect |
| 04/21/1993 | EP0537750A1 Quadrature modulation and demodulation circuit |
| 04/20/1993 | US5204635 Digital fm demodulator utilizing uncorrelated clock reference signals |
| 04/20/1993 | US5204634 Phase-locked loop demodulator having loop filter controlled by lock detector |
| 04/15/1993 | WO1993007676A1 Method for digitally demodulating a composite signal |
| 04/06/1993 | US5200835 Demodulator for fm modulated video signals with pre-demodulation sideband suppression and post-demodulation sideband restoration |
| 03/31/1993 | EP0534498A2 Process and device for frequency to voltage conversion |
| 03/30/1993 | US5198992 Method and apparatus for improving wideband detection of a tone |
| 03/23/1993 | US5197086 High speed digital clock synchronizer |
| 03/23/1993 | US5197085 Radio receiver |
| 03/17/1993 | EP0532400A1 Discriminator with a truncated frequency characteristic |
| 03/03/1993 | EP0530107A1 PSK demodulator with baseband correction for phase or frequency errors |
| 03/03/1993 | EP0529874A1 Vector locked loop |
| 03/03/1993 | EP0529618A1 Demodulating device |
| 01/26/1993 | US5182761 Data transmission system receiver having phase-independent bandwidth control |
| 01/20/1993 | EP0523779A1 Direct conversion receiver |
| 01/20/1993 | EP0523778A1 Direct conversion receiver |
| 01/13/1993 | CN1068004A Device for modulator |
| 01/12/1993 | US5179730 Selectivity system for a direct conversion receiver |
| 01/07/1993 | WO1993000738A1 Arrangement for a modulator |
| 01/07/1993 | DE4121027A1 Anordnung fuer einen video- und tonmodulator Arrangement for a video and tonmodulator |
| 01/05/1993 | US5177741 Subscriber unit for wireless digital telephone system |
| 12/29/1992 | US5175881 Fm signal detection apparatus with automatic gain control circuit connected to phase detector input terminal |
| 12/29/1992 | US5175507 Method of and device for demodulating biphase modulated signal |
| 12/23/1992 | EP0519491A1 Frequency discriminator and heterodyne receiver provided with the frequency discriminator for coherent lightwave communications |
| 12/15/1992 | US5172070 Apparatus for digitally demodulating a narrow band modulated signal |
| 12/09/1992 | EP0517113A1 Frequency discriminator |
| 12/02/1992 | EP0515357A1 Process for the demodulation of secam-coded colour-television signals with a line-coupled cycle, and a circuit for carrying out the process. |
| 12/02/1992 | CN1019331B Manufacture of self-sustainings film filament type sensor and application of same |
| 12/01/1992 | US5168507 For a wireless digital telephone network |
| 11/24/1992 | US5166633 Angle modulation dectector |
| 11/22/1992 | CA2065638A1 Sample timing and carrier frequency estimation circuit for sine-cosine detectors |
| 11/19/1992 | EP0514154A2 Apparatus for demodulating an FM image signal |
| 11/11/1992 | EP0512837A2 Ultrasonic doppler imaging apparatus |
| 11/11/1992 | EP0511989A1 Amplitude locked loop circuits. |
| 11/03/1992 | US5161004 Television receiver including a frequency demodulator for lowering the threshold |
| 10/28/1992 | EP0510767A2 Device for demodulating a colour signal into a television signal |
| 10/28/1992 | CN1065762A Apparatus and method of dc offset correction for receiver |
| 10/27/1992 | US5159710 Zero IF receiver employing, in quadrature related signal paths, amplifiers having substantially sinh-1 transfer characteristics |
| 10/27/1992 | US5159709 Arrangement having tracking if filter |
| 10/27/1992 | US5159708 Multipath detector for an fm tuner |
| 10/27/1992 | US5159705 Frequency synthesizer circuit |
| 10/27/1992 | US5159281 Digital demodulator using numerical processor to evaluate period measurements |
| 10/26/1992 | CA2041279A1 Quadrature biorthogonal modulation |
| 10/20/1992 | US5157344 Digital quadrature phase detector for angle modulated signals |
| 10/13/1992 | US5155862 Fm receiver having variable if filter |
| 10/07/1992 | EP0507401A2 Frequency tracking arrangement, corresponding method of frequency tracking and a radio receiver embodying such an arrangement |
| 10/07/1992 | EP0507139A2 Method for adjacent channel rejection at reception of FM-modulated signals |
| 10/06/1992 | CA1308445C Interference suppression for transmitted signals and demodulation of vestigial sideband signals |
| 09/30/1992 | EP0505867A2 Method for adjacent channel rejection at reception of FM modulated transmitters |
| 09/29/1992 | US5151926 In the receiver of a cellular telephone |
| 09/22/1992 | CA1307831C Zero if receiver |
| 09/16/1992 | EP0504015A1 FM receiver with controlled capture range |
| 09/16/1992 | EP0503416A1 Phase locked loop demodulator |
| 09/16/1992 | CN1018317B Multiple use of fm band |
| 09/15/1992 | US5148114 Fm demodulator |
| 09/09/1992 | CA2062343A1 Controlled lock band frequency modulated signal receiver |
| 09/09/1992 | CA2062342A1 Phase loop demodulator |
| 09/08/1992 | US5146473 Subscriber unit for wireless digital subscriber communication system |
| 09/02/1992 | EP0501740A2 Phase and gain error control system for use in an I/Q direct conversion receiver |
| 09/01/1992 | US5144256 Method and apparatus for demodulating a GMSK signal |
| 08/26/1992 | EP0499866A1 Circuit for detecting the zero crossing of an alternating analog voltage |
| 08/26/1992 | EP0499827A2 Car radio comprising a circuit for Analog/Digital conversion of the IF signal |
| 08/26/1992 | CN1063981A Data transmission system receiver having phase-independent bandwidth control |
| 08/20/1992 | DE4103687A1 PLL for demodulation of specified optical signals - has pilot generator, evaluator circuit and oscillator whose phase is modulated by pilot signal |
| 08/11/1992 | US5138273 FM demodulator |
| 08/07/1992 | WO1992014312A1 Am-fm combined stereo receiver |
| 08/07/1992 | WO1992014311A1 Am-fm combined stereo receiver |
| 08/07/1992 | WO1992014299A1 Am-fm combined stereo receiver |
| 08/07/1992 | CA2100447A1 Am-fm combined stereo receiver |
| 08/04/1992 | US5136254 FM demodulator circuit whose demodulation output is decreased in distortion |
| 08/01/1992 | WO1992014317A1 Data transmission system receiver having phase-independent bandwidth control |
| 07/29/1992 | EP0496621A2 System for controlling phase and gain errors in an I/Q direct conversion receiver |
| 07/28/1992 | US5134721 Noise eliminating device for angle-modulated wave |
| 07/28/1992 | US5134707 Satellite receiver |
| 07/23/1992 | WO1992012433A1 Phase-sensitive rectifier |
| 07/07/1992 | US5128966 System for demodulating frequency- or phase-modulated signals by quadrature-phase |
| 07/07/1992 | CA1304786C Digital radio frequency receiver |
| 06/30/1992 | US5126682 Demodulation method and apparatus incorporating charge coupled devices |
| 06/24/1992 | EP0258332B1 Method and device for converting the frequency of frequency modulated signals |
| 06/21/1992 | WO1992011703A1 Apparatus and method of dc offset correction for a receiver |
| 06/09/1992 | US5121073 Fm demodulator arrangement including hold, delay and switching circuits to compensate for signal disturbances |