1724576

Information

• Patent Grant
• 1724576

• References
• Source

• Patent Number

  1,724,576

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1929
  95 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