| Patents for H03D 3 - Demodulation of angle-modulated oscillations (6,449) |
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| 04/12/1977 | US4017812 Method of processing a signal, and corresponding devices |
| 03/22/1977 | US4013970 Frequency discriminating apparatus |
| 02/08/1977 | US4007426 F-M Demodulator circuit |
| 02/01/1977 | US4006424 Wide bandwidth crystal frequency discriminator circuit |
| 01/11/1977 | US4002971 Wide operating frequency range transmission line discriminator |
| 01/11/1977 | US4002970 Optimum threshold transmission line discriminator |
| 01/11/1977 | US4002969 Optimum length transmission line discriminator with low noise detector |
| 12/28/1976 | US4000489 Dual-mode waveform generator |
| 12/21/1976 | US3999138 Detector for AM-FM signals |
| 12/14/1976 | US3997848 Linear phase demodulator including a phase locked loop with auxiliary feedback loop |
| 12/14/1976 | US3997797 Frequency discriminating circuit |
| 11/02/1976 | US3990048 Carrier detect circuit |
| 10/26/1976 | US3988598 Multipurpose semiconductor circuits utilizing a novel semiconductor device |
| 10/19/1976 | US3987367 Surface wave discriminator system |
| 10/12/1976 | US3986060 Compound transistor circuitry |
| 10/05/1976 | USRE28997 Digital detector of an analog signal |
| 09/28/1976 | US3983501 Hybrid tracking loop for detecting phase shift keyed signals |
| 09/28/1976 | US3983500 Angle modulated wave demodulation system |
| 09/28/1976 | US3983497 Phase locked loop |
| 09/28/1976 | US3983488 Frequency-modulation demodulator threshold extension device |
| 09/21/1976 | US3982186 FM receiver with detector for multi-path reception |
| 09/14/1976 | US3980900 Multipurpose switching circuits utilizing a novel semiconductor device |
| 09/07/1976 | US3979679 FM demodulator having squelch circuit using bucket brigade delay line |
| 08/31/1976 | US3978416 Filter which tracks changing frequency of input signal |
| 08/24/1976 | US3977002 Tracking filter for frequency measurement in a Doppler type navigation guidance system or the like |
| 08/17/1976 | US3975628 Optical heterodyne receiver with phase or frequency lock |
| 07/27/1976 | US3971998 Recursive detector-oscillator circuit |
| 07/06/1976 | US3968447 Method of amplitude-frequency conversion and a converter which operates in accordance with said method |
| 07/06/1976 | US3968325 Television receiver with noise immune AFC circuit |
| 06/29/1976 | US3965877 Frequency to voltage converters |
| 06/08/1976 | US3962649 Surface wave frequency discriminator |
| 06/01/1976 | US3961360 Synchronizing detector circuit |
| 06/01/1976 | US3961275 FM discriminator circuit |
| 06/01/1976 | US3961262 FM receiver and demodulation circuit |
| 05/18/1976 | US3958183 Frequency selective signal presence detector |
| 04/27/1976 | US3953832 Remote control of broadcast receivers |
| 04/13/1976 | US3950620 Electric circuit containing an integral phase-locked loop |
| 04/06/1976 | US3949314 Phase demodulator |
| 04/06/1976 | US3949301 Digital click removal and squelch control circuit for an FM receiver |
| 03/16/1976 | US3944940 Versatile phase-locked loop for read data recovery |
| 03/16/1976 | US3944935 Apparatus for generating a d.c. signal proportional to an input frequency |
| 03/16/1976 | US3944931 Multi-channel frequency converter having automatic control |
| 02/24/1976 | US3940717 Acoustic surface wave devices using Tl3 TaS4 and Tl3 TaSe4 crystals |
| 02/24/1976 | US3940698 Muting circuit |
| 02/10/1976 | US3937476 Reproducing apparatus for a disc type record medium |
| 02/03/1976 | US3936764 Frequency discriminator utilizing surface wave devices |
| 02/03/1976 | US3936751 SWD FM detector and IF filter |
| 01/20/1976 | US3934207 Frequency discriminator utilizing surface wave devices |
| 01/20/1976 | US3934087 Angle modulated wave demodulation system |