3810082

Information

• Patent Grant
• 3810082

• References
• Source

• Patent Number

  3,810,082

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1974
  51 years ago

• CPC

  • G10K11/345 - using energy switching from one active element to another
  • G01S3/808 - using transducers spaced apart and measuring phase or time difference between signals therefrom
  • G01S3/809 - Rotating or oscillating beam systems using continuous analysis of received signal for determining direction in the plane of rotation or oscillation or for determining deviation from a predetermined direction in such a plane
  • G10K11/346 - using phase variation

• US Classifications

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