3711820

Information

• Patent Grant
• 3711820

• References
• Source

• Patent Number

  3,711,820

• Date Filed

  Not available

• Date Issued

  Tuesday, January 16, 1973
  52 years ago

• CPC

  • 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
  • G01S1/02 - using radio waves

• US Classifications

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