| Patents for H03D 3 - Demodulation of angle-modulated oscillations (6,449) |
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| 10/04/1989 | EP0335037A1 Direct conversion radio |
| 09/26/1989 | US4870511 Device for demodulating a frequency-modulated signal |
| 09/26/1989 | CA1261924A1 Digital zero if circuit |
| 09/20/1989 | EP0333266A2 A direct conversion receiver |
| 09/05/1989 | US4864638 FM receivers using three-terminal negative admittance networks or two and three-terminal negative admittance networks |
| 09/05/1989 | CA1259111A1 Digital frequency discriminator, and use of discriminator to a composite vor signal |
| 08/29/1989 | US4862099 Digital FM demodulator with distortion correction |
| 08/29/1989 | US4862098 Continuous-wave-modulation detectors using prediction methods |
| 08/23/1989 | EP0328617A1 Phase demodulator and its application to an mls-type landing system |
| 08/22/1989 | US4859960 Digital signal demodulation |
| 08/22/1989 | US4859958 Multiple reuse of an FM band |
| 08/22/1989 | US4859957 Method for demodulating an FM signal |
| 08/08/1989 | US4856085 FM receiver with improved adjacent-channel rejection |
| 08/08/1989 | US4855691 Amplitude stabilizer for use in microwave discriminator |
| 07/25/1989 | US4852123 Nearly DC IF phase locked transceiver |
| 07/11/1989 | CA1257328A1 Current source with adjustable temperature coefficient |
| 06/27/1989 | US4843334 Frequency demodulator operable with low frequency modulation carriers |
| 06/26/1989 | EP0305385A4 Digital zero if selectivity section. |
| 06/13/1989 | US4839606 Digital FM demodulator signal-to-noise improvement |
| 06/06/1989 | US4837853 Dual port FM demodulation in phase locked receivers |
| 06/06/1989 | CA1255365A1 Angle demodulator |
| 05/30/1989 | US4835622 Demodulator arrangement |
| 05/30/1989 | CA1254958A1 Fm demodulators |
| 05/17/1989 | EP0315686A1 Dual port fm demodulation in phase locked receivers |
| 05/09/1989 | US4829545 Method and apparatus for data window centering ina multifrequency data separator |
| 05/03/1989 | EP0314208A1 Frequency difference detector (FDD)having automatic gain control and a carrier modulated receiver including the FDD |
| 05/03/1989 | EP0313792A1 A full-wave peak detector device |
| 05/02/1989 | US4827515 Digital demodulator |
| 04/26/1989 | EP0313126A1 Frequency difference detector (FDD) and a carrier modulated receiver including such a FDD |
| 04/25/1989 | US4825448 Subscriber unit for wireless digital telephone system |
| 04/19/1989 | EP0168460B1 Demodulator for television signals |
| 04/18/1989 | US4823399 Refined tuning of RF receiver with frequency-locked loop |
| 04/12/1989 | EP0310796A1 FM-signal demodulation method |
| 03/29/1989 | EP0308709A1 Frequency demodulator according to the PLL technique |
| 03/29/1989 | EP0308520A1 Digital-Demodulator |
| 03/28/1989 | US4816770 Optimizing noise response of a threshold extension demolduator |
| 03/21/1989 | US4814718 Microwave discriminator and demodulator/receiver using the same |
| 03/21/1989 | US4814715 Mixer arrangement for suppression of oscillator interference in quadrature demodulators |
| 03/09/1989 | WO1989002188A1 Phase demodulator and its application to an mls-type landing system |
| 03/08/1989 | EP0305604A1 Receiver comprising parallel signal paths |
| 03/08/1989 | EP0305385A1 Digital zero if selectivity section |
| 03/07/1989 | US4810921 Elastic surface wave device |
| 02/22/1989 | CN1031306A Home unit for wireless digital telephone system |
| 02/21/1989 | US4806872 Frequency modulation receiver employing frequency divider |
| 02/14/1989 | US4804924 Digital double demodulator |
| 01/31/1989 | US4802024 Video reproduction apparatus having automatic black and white calibration |
| 01/25/1989 | EP0300801A2 Frequency demodulation apparatus |
| 01/24/1989 | US4800338 Pulse count type FM demodulator |
| 01/17/1989 | US4799025 Digital FM demodulator using digital quadrature filter |
| 01/12/1989 | DE3821247A1 Fm-demodulator Fm demodulator |
| 01/04/1989 | EP0195010B1 Automatic gain control circuit |
| 12/21/1988 | CN88102082A Filtering apparatus of fm ultrashort wave receiving signal |
| 12/15/1988 | WO1988010033A1 Dual port fm demodulation in phase locked receivers |
| 12/06/1988 | US4789976 Temperature compensation circuit for a delay circuit utilized in an FM detector |
| 11/22/1988 | US4787029 Level converting bus extender with subsystem selection signal decoding enabling connection to microprocessor |
| 11/02/1988 | EP0289346A2 Frequency demodulation circuit |
| 11/01/1988 | CA1244102A1 Single crystal frequency modulator |
| 10/20/1988 | WO1988008223A1 Arrangement for filtering an incoming fm signal |
| 10/20/1988 | WO1988008222A1 Arrangement for filtering an incoming fm-uhf signal |
| 10/11/1988 | US4777449 Threshold-extension FM demodulator apparatus and method |
| 10/11/1988 | CA1243084A1 Phase detection circuit |
| 10/05/1988 | EP0285252A2 Digital signal demodulation |
| 10/04/1988 | US4776039 Receiver for mobile communication systems |
| 10/04/1988 | US4775843 Wideband post amplifier for product detector |
| 09/29/1988 | DE3707761A1 Demodulator |
| 09/21/1988 | EP0283401A2 FM communication device with avoidance of interference by substantially same channel fm signal |
| 09/20/1988 | US4772853 Digital delay FM demodulator with filtered noise dither |
| 08/23/1988 | US4766392 Demodulating an angle-modulated signal |
| 08/11/1988 | DE3702855A1 Circuit arrangement for demodulating a frequency-modulated signal |
| 07/19/1988 | CA1239449A1 Radio receiver |
| 07/05/1988 | US4755761 Zero intermediate-frequency demodulator |
| 07/05/1988 | CA1238952A1 Demodulation circuit |
| 06/29/1988 | EP0272726A1 Device for demodulating a frequencymodulated signal |
| 06/28/1988 | US4754497 FM receivers using three-terminal negative admittance networks or two and three-terminal negative admittance networks |
| 06/23/1988 | DE3802192A1 FM receiver circuit |
| 06/07/1988 | US4750214 Digital FM demodulator using delayed signal product with arctangent |
| 05/24/1988 | US4746873 FM demodulators |
| 05/24/1988 | CA1237172A1 Digital demodulator for continuously phase or frequency modulated signals |
| 05/17/1988 | CA1236915A1 Demodulation of television signals |
| 05/05/1988 | WO1988003338A1 Method and device for receiving frequency-modulated analog signals with digital processing |
| 04/26/1988 | US4740759 Angle demodulator with second order interference prevention |
| 04/26/1988 | CA1235754A1 Digital demodulator arrangement for quadrature signals |
| 04/20/1988 | CN86106426A New type identifier |
| 04/19/1988 | US4739407 Frequency modulation television receiver with tracking filter |
| 04/12/1988 | US4737729 Method and circuit for the demodulation of time discrete, frequency modulated signals |
| 04/12/1988 | US4737728 Digitally processed demodulator for quadrature modulated signals |
| 04/05/1988 | US4736459 FM receivers using two-terminal negative admittance networks |
| 04/05/1988 | US4736392 Demodulator for digital FM signals |
| 03/29/1988 | US4734652 Method and apparatus for wideband frequency discrimination |
| 03/22/1988 | US4733403 Digital zero IF selectivity section |
| 03/16/1988 | EP0259419A1 Double digital demodulator. |
| 03/15/1988 | US4731872 FM TVRO receiver with improved oscillating limiter |
| 03/15/1988 | US4731796 Multi-mode radio transceiver |
| 03/15/1988 | CA1234189A1 Psk demodulator having an afc circuit |
| 03/09/1988 | EP0258332A1 Method and device for converting the frequency of frequency modulated signals. |
| 03/02/1988 | EP0258031A2 Method and apparatus for data window centering in a multifrequency data separator |
| 03/01/1988 | US4728957 Digital frequency discriminator, for extracting a sinusoidal signal |
| 02/24/1988 | EP0256076A1 Analogue to digital conversion: method and apparatus therefor. |
| 02/23/1988 | US4727580 Radio receiver |
| 02/16/1988 | US4726042 A/D converters |