3787844

Information

• Patent Grant
• 3787844

• References
• Source

• Patent Number

  3,787,844

• Date Filed

  Not available

• Date Issued

  Tuesday, January 22, 1974
  51 years ago

• CPC

  • 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
  • G01S5/10 - Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements

• US Classifications

  • 342 - Communications: directive radio wave systems and devices