the synchronised signals being frequency modulations on carrier waves and the transit times being compared by measuring difference of instantaneous frequencies of received carrier waves

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CPC
G01S1/802

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Parent Industries

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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G01S1/802the synchronised signals being frequency modulations on carrier waves and the transit times being compared by measuring difference of instantaneous frequencies of received carrier waves

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Patents Grantslast 30 patents

Information Patent Grant
Mobile device utilizing time of flight for personal security and lo...
- Patent number 10,241,194
- Issue date Mar 26, 2019
- Voll, Inc.
- Steven Lee Bietz
- G01 - MEASURING TESTING
Information Patent Grant
Ultrasound-based localization of client devices with inertial navig...
- Patent number 9,684,060
- Issue date Jun 20, 2017
- CorningOptical Communications LLC
- Ulrich Wilhelm Heinz Neukirch
- G01 - MEASURING TESTING
Information Patent Grant
Target location systems
- Patent number 4,253,166
- Issue date Feb 24, 1981
- Plessey Handel und Investments AG
- Phillip L. M. Johnson
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
MOBILE DEVICE UTILIZING TIME OF FLIGHT FOR PERSONAL SECURITY AND LO...
- Publication number 20180231634
- Publication date Aug 16, 2018
- Steven Lee Bietz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE