3206751

Information

• Patent Grant
• 3206751

• References
• Source

• Patent Number

  3,206,751

• Date Filed

  Not available

• Date Issued

  Tuesday, September 14, 1965
  59 years ago

• CPC

  • G05D1/028 - using a RF signal
  • G01S1/02 - using radio waves
  • G01S1/304 - Analogous systems in which a beat frequency, obtained by heterodyning the signals, is compared in phase with a reference signal obtained by heterodyning the signals in a fixed reference point and transmitted therefrom
  • G01S5/02 - using radio waves
  • G05D2201/0201 - Agriculture or harvesting machine

• US Classifications

  • 342 - Communications: directive radio wave systems and devices
  • 244 - Aeronautics and astronautics