TREA

Varying frequency of beam signal or of auxiliary signal

Follow

Industry

  • CPC
  • G01S1/60
This industry / category may be too specific. Please go to a parent level for more data

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

G01S1/60Varying frequency of beam signal or of auxiliary signal
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Speed measurement and positioning method, and terminal
    • Patent number 11,841,417
    • Issue date Dec 12, 2023
    • XI'AN ZHONGXING NEW SOFTWARE CO., LTD
    • Yibao Luo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3898664
    • Patent number 3,898,664
    • Issue date Aug 5, 1975
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3710335
    • Patent number 3,710,335
    • Issue date Jan 9, 1973
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3202994
    • Patent number 3,202,994
    • Issue date Aug 24, 1965
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2952845
    • Patent number 2,952,845
    • Issue date Sep 13, 1960
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents