TREA

the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference

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Industry

  • CPC
  • G01S1/807
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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

Current Industry

G01S1/807the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Ultrasound based air-writing system and method
    • Patent number 11,630,518
    • Issue date Apr 18, 2023
    • King Abdullah University of Science and Technology
    • Hui Chen
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Location system
    • Patent number 9,261,581
    • Issue date Feb 16, 2016
    • Sonitor Technologies AS
    • Wilfred Edwin Booij
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Acoustic positioning system and method
    • Patent number 8,908,475
    • Issue date Dec 9, 2014
    • IXBLUE
    • Fabien Napolitano
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3588798
    • Patent number 3,588,798
    • Issue date Jun 28, 1971
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3130385
    • Patent number 3,130,385
    • Issue date Apr 21, 1964
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    ULTRASOUND BASED AIR-WRITING SYSTEM AND METHOD
    • Publication number 20210033693
    • Publication date Feb 4, 2021
    • Hui CHEN
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    LOCATION SYSTEM
    • Publication number 20150253413
    • Publication date Sep 10, 2015
    • Sonitor Technologies AS
    • Wildred Edwin Booij
    • G01 - MEASURING TESTING
  • Information Patent Application

    ACOUSTIC POSITIONING SYSTEM AND METHOD
    • Publication number 20140204715
    • Publication date Jul 24, 2014
    • Fabien Napolitano
    • G01 - MEASURING TESTING
  • Information Patent Application

    LOCATION SYSTEM
    • Publication number 20140169136
    • Publication date Jun 19, 2014
    • Sonitor Technologies AS
    • Wilfred Edwin Booij
    • G01 - MEASURING TESTING