3378837

Information

• Patent Grant
• 3378837

• References
• Source

• Patent Number

  3,378,837

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1968
  56 years ago

• CPC

  • G01S11/02 - using radio waves
  • G01S13/66 - Radar-tracking systems Analogous systems where the wavelength or the kind of wave is irrelevant
  • G04G7/02 - by radio
  • G04G9/0011 - using coded signals
  • G01S2013/466 - by Trilateration

• US Classifications

  • 342 - Communications: directive radio wave systems and devices
  • 455 - Telecommunications
  • 968 - Horology