2333688

Information

• Patent Grant
• 2333688

• References
• Source

• Patent Number

  2,333,688

• Date Filed

  Not available

• Date Issued

  Tuesday, November 9, 1943
  81 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

• US Classifications

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