3660808

Information

• Patent Grant
• 3660808

• References
• Source

• Patent Number

  3,660,808

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1972
  52 years ago

• CPC

  • G01S3/8022 - using the Doppler shift introduced by the relative motion between source and receiver

• US Classifications

  • 367 - Communications, electrical: acoustic wave systems and devices