3873984

Information

• Patent Grant
• 3873984

• References
• Source

• Patent Number

  3,873,984

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1975
  49 years ago

• CPC

  • G01S11/10 - using Doppler effect
  • G01S3/54 - the apparent movement of the aerial being produced by coupling the receiver cyclically and sequentially to each of several fixed spaced aerials

• US Classifications

  • 342 - Communications: directive radio wave systems and devices
  • 701 - Data processing: vehicles, navigation, and relative location
  • 702 - Data processing: measuring, calibrating, or testing