| Patents for H03D 3 - Demodulation of angle-modulated oscillations (6,449) |
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| 02/11/1988 | DE3644066A1 Subscriber equipment for wireless digital telephony |
| 02/03/1988 | EP0255175A2 Demodulating an angle-modulated signal |
| 02/02/1988 | US4723216 Digital frequency-locked loop for use with staggered sampling systems |
| 01/27/1988 | EP0254339A1 Demodulator arrangement |
| 01/27/1988 | EP0254061A2 Digital demodulator |
| 01/07/1988 | EP0251239A2 FM Demodulator |
| 01/05/1988 | US4718113 Zero-IF receiver wih feedback loop for suppressing interfering signals |
| 12/08/1987 | CA1230165A1 Receiver circuit |
| 12/03/1987 | DE3718103A1 Schaltung zur verminderung des demodulationsphasenfehlers Circuit for reducing the demodulationsphasenfehlers |
| 12/01/1987 | CA1229885A1 Demodulating signals from zero if receiver using sampling techniques |
| 11/19/1987 | WO1987007099A1 Digital zero if selectivity section |
| 11/17/1987 | US4707666 Frequency demodulator circuit with zero-crossing counter |
| 11/03/1987 | CA1228927A1 Simplified hardware implementation of a digital if translator |
| 10/29/1987 | DE3613994A1 Circuit arrangement for demodulating frequency-modulated signals |
| 10/27/1987 | US4703520 Radio transceiver having an adaptive reference oscillator |
| 10/13/1987 | US4700216 Demodulator for color television signals including a sub-carrier |
| 10/06/1987 | US4698598 FM demodulator system with threshold extension |
| 09/29/1987 | CA1227548A1 Active hyperfrequency filter |
| 09/29/1987 | CA1227547A1 Fm demodulator |
| 09/24/1987 | WO1987005758A1 Double digital demodulator |
| 09/23/1987 | EP0238141A1 Receiver for frequency-modulated signals |
| 09/22/1987 | US4696018 Digital FM detector for digitized FM signals |
| 09/15/1987 | US4694260 Microwave discriminator and devices using said discriminator |
| 09/09/1987 | EP0235264A1 Digital radio frequency receiver |
| 09/08/1987 | CA1226627A1 Mixer arrangement comprising first and second quadrature mixer stages |
| 08/27/1987 | WO1987005170A1 Method and device for converting the frequency of frequency modulated signals |
| 08/27/1987 | DE3605374A1 Circuit arrangement for demodulating RF signals |
| 08/25/1987 | US4689806 In a communications receiver |
| 08/18/1987 | US4688096 Demodulation phase error compensation circuitry as for an automatic deghosting system |
| 08/13/1987 | WO1987004880A1 Analogue to digital conversion: method and apparatus therefor |
| 08/11/1987 | US4686484 Phase detection circuit |
| 07/21/1987 | US4682118 Phase shift keying and phase modulation transmission system |
| 07/07/1987 | US4679247 FM receiver |
| 07/07/1987 | CA1223926A1 Demodulation circuit from fm signal and demodulation system therefor |
| 06/30/1987 | US4677690 Baseband demodulator for FM and/or AM signals |
| 06/10/1987 | EP0224585A1 Fm tvro receiver with improved oscillating limiter |
| 06/03/1987 | EP0224315A1 Digital frequency discriminator and its use in a composite VOR signal |
| 05/19/1987 | US4667163 Automatic gain control circuit |
| 05/05/1987 | US4663595 Digital integrated frequency demodulator subcircuit |
| 04/15/1987 | EP0217952A1 Fm receiver |
| 04/15/1987 | EP0217839A1 Circuit for automatic tuning of sharpness in fm receivers |
| 04/14/1987 | US4658438 Receiver for satellite broadcasting service |
| 04/08/1987 | EP0217457A1 Angle demodulator |
| 04/07/1987 | US4656432 FM detector with improved distortion and gain characteristics |
| 04/07/1987 | US4656431 Digital frequency discriminator |
| 03/31/1987 | US4654601 Demodulator for television signals with feedback to correlate frames or lines |
| 03/31/1987 | US4654585 Phase detection method |
| 03/26/1987 | WO1987001881A1 Demodulation of television signals |
| 03/26/1987 | DE3532857A1 Non-recursive digital filter |
| 03/24/1987 | US4653117 Dual conversion FM receiver using phase locked direct conversion IF |
| 03/24/1987 | US4653116 Detector for indicating frequency deviation peaks |
| 03/12/1987 | WO1987001531A1 Digital radio frequency receiver |
| 03/03/1987 | US4647875 Ultrahigh frequency active filter |
| 03/03/1987 | US4647864 Variable-delay, sine-cosine non-coherent demodulator |
| 02/10/1987 | US4642574 Digital quartz-stabilized FM discriminator |
| 02/10/1987 | US4642573 Phase locked loop circuit for demodulating suppressed carrier signals |
| 02/10/1987 | US4642490 Amplitude variation suppression arrangements |
| 02/10/1987 | CA1217852A Integrated circuit for combined analog and digital demodulation |
| 02/04/1987 | EP0210292A1 Frequency demodulation circuit with zero-crossing counter |
| 01/28/1987 | EP0209928A1 Demodulator for a frequency-modulated digital signal |
| 01/24/1987 | CN85101167A Digit phase detector |
| 01/22/1987 | DE3525608A1 FM-PLL demodulator circuit with adjacent-channel noise compensation |
| 01/13/1987 | US4637003 Amplitude modulated high frequency signal detection device |
| 01/13/1987 | US4636737 Frequency modulator and demodulator using material having sliding charge density waves |
| 01/10/1987 | CN85102323A Fm demodulator |
| 01/06/1987 | US4634991 Ratio discriminator |
| 01/06/1987 | US4634989 Digital FM detector for a digital signal |
| 12/23/1986 | US4631487 Phase lock loop television signal demodulator |
| 12/16/1986 | US4629994 FM demodulator |
| 12/09/1986 | US4628272 Tuned inductorless active phase shift demodulator |
| 11/20/1986 | WO1986006894A1 Fm feedback demodulator using injection-locked oscillator |
| 11/20/1986 | EP0201758A2 Digital demodulator for frequency-modulated signals |
| 11/18/1986 | US4623873 Digital phase detector |
| 11/12/1986 | EP0201092A2 Radio receiver |
| 11/11/1986 | US4622520 FM demodulator with impulse noise elimination circuit |
| 11/05/1986 | EP0199887A2 FM radio receiver |
| 10/29/1986 | EP0198862A1 Process and circuit arrangement for converting frequency-modulated signals through at least one intermediate frequency into low-frquency signals. |
| 10/28/1986 | US4620160 Digital demodulator for continuously phase or frequency modulated signals |
| 10/22/1986 | EP0198701A2 Phase detection circuit |
| 10/21/1986 | US4618981 Tone detector with pseudo phase locked loop |
| 10/21/1986 | US4618967 Radio receiver |
| 10/21/1986 | US4618829 Bridge circuit demodulator |
| 10/15/1986 | EP0197708A2 Digital zero IF circuit |
| 10/09/1986 | WO1986005938A1 Fm receiver |
| 10/09/1986 | WO1986005937A1 Fm tvro receiver with improved oscillating limiter |
| 10/07/1986 | US4616186 FM quadrature demodulator with distortion compensation |
| 10/07/1986 | CA1212465A1 Frequency translation phase-locked loop for separate or intercarrier type television sound detection |
| 10/07/1986 | CA1212429A1 Ferrite bead quadrature detector |
| 09/30/1986 | US4614912 FM demodulator with temperature compensation |
| 09/25/1986 | WO1986005637A1 Circuit for automatic tuning of sharpness in fm receivers |
| 09/24/1986 | EP0195502A2 A/D converter |
| 09/24/1986 | EP0195010A1 Automatic gain control circuit. |
| 09/17/1986 | CN86100930A Tone detector with pseudo phase locked loop |
| 09/17/1986 | CN85107280A Inductorless quadrature demodulator |
| 09/16/1986 | US4612511 FM demodulator including PLL and improved circuitry for eliminating distortion in the output thereof |
| 09/16/1986 | US4612510 FM demodulator using combined outputs of plural FM detectors |
| 09/10/1986 | EP0194085A2 Tone detector with pseudo phase locked loop |
| 09/03/1986 | EP0192788A1 Integrated digital circuit section for frequency demodulation |
| 09/02/1986 | US4610031 Receiver including surface acoustic wave amplifier |
| 08/26/1986 | US4608604 Circuit for reducing AFC offset error |