| Patents for H03D 1 - Demodulation of amplitude-modulated oscillations (4,890) |
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| 04/29/1986 | US4585989 50% point of amplitude and phase detector |
| 04/22/1986 | US4584710 Coherent receiver phase and amplitude alignment circuit |
| 04/02/1986 | EP0175853A2 Rectifier circuit |
| 03/25/1986 | US4578807 FM stereo multiplex demodulator |
| 03/11/1986 | US4575643 Full-wave rectifier circuit |
| 02/04/1986 | US4569072 Clock-controlled filtering arrangement |
| 12/24/1985 | US4560942 Demodulation circuit having triangular wave for blocking harmonics |
| 12/18/1985 | EP0164448A1 AM demodulator |
| 12/10/1985 | CA1197904A1 Synchronous envelope detector |
| 11/21/1985 | EP0161896A2 Half wave demodulation circuit |
| 11/21/1985 | EP0161758A2 50% point of amplitude and phase detector |
| 10/29/1985 | US4550338 Detecting circuit |
| 10/16/1985 | EP0158197A2 Demodulator |
| 10/02/1985 | EP0156701A1 IF reception device for a radar reception signal and radar system comprising such a device |
| 10/02/1985 | EP0156398A2 FSK or FM burst signal generating apparatus |
| 09/24/1985 | CA1194128A1 Satellite ground station |
| 09/17/1985 | US4542346 Wide-range lock-in amplifier |
| 09/03/1985 | US4539697 FM Stereo demodulating circuit |
| 09/03/1985 | US4539608 Low offset position demodular |
| 08/21/1985 | EP0151730A1 Radio frequency receiving apparatus |
| 08/14/1985 | EP0151334A2 Direct conversion frequency modulation radio receiver |
| 06/26/1985 | EP0146195A2 FM stereo receiver |
| 06/25/1985 | US4525686 Phase-locked loop circuit with variable bandwidth filter |
| 06/11/1985 | US4523329 FM receiver |
| 05/15/1985 | EP0141452A2 Circuit arrangement for a receiver with two phase-locked loops |
| 05/14/1985 | US4517655 Multiplier circuit for multiplying an information signal by a periodic signal |
| 05/14/1985 | US4517520 Circuit for converting a staircase waveform into a smoothed analog signal |
| 05/02/1985 | EP0139470A2 Improvements in or relating to television receivers |
| 04/23/1985 | US4513209 Level detector |
| 04/17/1985 | EP0137553A2 Digital demodulation method and circuit for amplitude modulated signal and television receiver comprising such a circuit |
| 04/16/1985 | US4511849 FM Pulse counting demodulator with multiplier for input and delayed input signals |
| 04/16/1985 | US4511848 Synchronous AM demodulator with quadrature signal cancellation |
| 04/09/1985 | CA1185356A1 Video signal recovery system |
| 03/19/1985 | US4506376 Subcarrier signal generator for use in stereo tuners |
| 03/12/1985 | CA1183893A1 Operational rectifier and bias generator |
| 02/26/1985 | US4502148 FM Stereo demodulator for demodulating stereo signals directly from an FM intermediate frequency signal |
| 02/26/1985 | US4502015 Diode detector with linearity compensating circuit |
| 02/26/1985 | US4502013 Input converting circuit |
| 02/13/1985 | EP0132885A1 Multiplying circuit comprising switched-capacitor circuits |
| 02/12/1985 | CA1182535A1 Synchronous receiver with analog high frequency section and digital low frequency section |
| 01/29/1985 | US4497063 FM stereo demodulator |
| 01/08/1985 | US4492926 Amplitude modulation detector |
| 01/01/1985 | US4491969 Satellite ground station |
| 12/25/1984 | US4490681 Signal level detector with automatic switching between extended linear and square law dynamic ranges |
| 12/18/1984 | US4489430 FM Stereo demodulation circuit |
| 11/27/1984 | US4485359 Amplitude modulator having substantially zero modulation distortion |
| 11/27/1984 | US4485348 Full wave envelope detector using current mirrors |
| 11/20/1984 | US4484194 Arrangement in a radar system for correction of phase and amplitude errors in a video signal |
| 11/20/1984 | US4484143 In a data transmission system |
| 11/14/1984 | EP0124944A1 Peak detector |
| 11/13/1984 | US4482869 PLL Detection circuit having dual bandwidth loop filter |
| 10/31/1984 | EP0123333A2 Method of generating an approximate sine-wave signal and circuitry for carrying it out, especially for a stereo demodulator |
| 10/24/1984 | EP0122657A1 Receiver for RF signals comprising a pair of parallel signal paths |
| 10/02/1984 | US4475088 Gain imbalance corrected quadrature phase detector |
| 09/19/1984 | EP0119060A2 AM detectors/demodulators |
| 09/11/1984 | US4471311 Detector circuit having AGC function |
| 09/04/1984 | US4470147 Radio receiver with quadrature demodulation and digital processing |
| 09/04/1984 | CA1173912A1 Process for the demodulation of an amplitude modulated signal and demodulator performing this process |
| 08/28/1984 | US4468794 Digital coherent detector |
| 08/14/1984 | US4466115 FM Stereo signal demodulator |
| 08/07/1984 | US4464770 Synchronous radio or television receiver with analog high frequency section followed by digital low frequency section |
| 06/26/1984 | US4457011 FM Broadcast band demodulator/stereo decoder |
| 06/13/1984 | EP0110477A1 Clock-controlled filtering arrangement |
| 06/12/1984 | US4454607 FM Stereophonic receiver with CPU controlled tuning and demodulating |
| 06/05/1984 | CA1168716A1 Ccd demodulator circuit |
| 06/05/1984 | CA1168714A1 Phase locked loop circuit |
| 05/23/1984 | EP0109121A1 Pulse radar apparatus |
| 05/16/1984 | EP0037813B1 Single sideband receiver with pilot-based feed forward correction for motion-induced distortion |
| 04/24/1984 | US4445054 Full-wave rectifying circuit |
| 02/07/1984 | US4430620 Demodulator system for double sideband suppressed carrier amplitude modulation |
| 02/01/1984 | EP0099703A2 An envelope detector |
| 01/31/1984 | US4429239 Combined phase detector and low pass filter |
| 12/27/1983 | CA1159556A1 Television video signal detector |
| 12/13/1983 | US4420698 Peak detector |
| 12/13/1983 | CA1158723A1 Carrier regenerating circuit for a synchronous detector |
| 12/06/1983 | CA1158323A1 Adaptive phase lock loop demodulator |
| 11/01/1983 | US4413239 Field effect transistor circuit for modulator and demodulator applications |
| 11/01/1983 | CA1156313A1 Method and apparatus for providing the in-phase and quadrature components of a bandpass signal |
| 10/25/1983 | US4412181 Process for the demodulation of an amplitude modulated signal and demodulator performing this process |
| 10/18/1983 | US4410858 Electronic circuit including a current mirror circuit |
| 10/11/1983 | US4409500 Operational rectifier and bias generator |
| 10/11/1983 | CA1155181A1 Single sideband receiver with pilot-based feed forward correction for motion-induced distortion |
| 10/04/1983 | US4408351 Directly mixing receiving system |
| 09/29/1983 | WO1983003326A1 Combined phase detector and low pass filter |
| 09/13/1983 | US4404430 FM Stereo demodulation circuit with voltage dividing and multiplexing techniques |
| 09/06/1983 | US4403194 Closed loop amplitude demodulator |
| 09/06/1983 | US4403113 Circuit for cancelling sinusoidal pilot signal contained in composite signal |
| 08/16/1983 | US4399324 Multiplex demodulation circuit |
| 08/09/1983 | CA1151735A1 Broadcast signal receiving system for directly recovering the modulating signal from a received modulated high frequency signal |
| 07/19/1983 | CA1150370A1 Phase locked loop for demodulating single sideband signals |
| 07/05/1983 | US4392020 Stereo demodulation system for an FM stereo broadcast receiver |
| 06/21/1983 | US4389615 CCD Demodulator circuit |
| 06/07/1983 | US4387398 Television video signal detector |
| 05/31/1983 | US4386235 FM Stereo demodulator circuit |
| 04/20/1983 | EP0077091A1 Multiplier circuit for stereo decoders |
| 03/23/1983 | EP0074858A2 Radio receiver |
| 03/22/1983 | US4377728 Phase locked loop with improved lock-in |
| 02/08/1983 | US4373139 Detectors |
| 01/25/1983 | US4370676 Carrier regenerating circuit for a synchronous detector |
| 01/25/1983 | US4370620 Efficient high performance envelope detector with controlled decay envelope detection |