Systems in which a beat frequency, obtained by heterodyning the synchronised signals, is compared in phase with a reference signal having a phase substantially independent of direction contains no documents

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GPHYSICS G01Measuring instruments G01SRADIO DIRECTION-FINDING RADIO NAVIGATION DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES ANALOGOUS ARRANGEMENTS USING OTHER WAVES G01S1/00Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters Receivers co-operating therewith

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G01S1/36Systems in which a beat frequency, obtained by heterodyning the synchronised signals, is compared in phase with a reference signal having a phase substantially independent of direction contains no documents

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for non-interrupted phase synchronization scheme...
- Patent number 10,746,870
- Issue date Aug 18, 2020
- INSTITUTE OF ELECTRONICS, CHINESE ACADEMY OF SCI.
- Yu Wang
- G01 - MEASURING TESTING
Information Patent Grant
Two-channel receiver-indicator for phase radio systems
- Patent number 4,307,401
- Issue date Dec 22, 1981
- Ivan F. Glumov
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents