3122720

Information

• Patent Grant
• 3122720

• References
• Source

• Patent Number

  3,122,720

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1964
  61 years ago

• CPC

  • G01S15/12 - wherein the pulse-recurrence frequency is varied to provide a desired time relationship between the transmission of a pulse and the receipt of the echo of a preceding pulse
  • G01S15/04 - Systems determining presence of a target

• US Classifications

  • 367 - Communications, electrical: acoustic wave systems and devices
  • 073 - Measuring and testing
  • 342 - Communications: directive radio wave systems and devices