3911437

Information

• Patent Grant
• 3911437

• References
• Source

• Patent Number

  3,911,437

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1975
  49 years ago

• CPC

  • G01S1/56 - Timing the pulse-type envelope signals derived by reception of the beam
  • G01S1/02 - using radio waves
  • G01S1/54 - Narrow-beam systems producing at a receiver a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the receiver from the beacon and a reference direction from the beacon Overlapping broad beam systems defining a narrow zone and producing at a receiver a pulse-type envelope signal of the carrier wave of the beam, the...

• US Classifications

  • 342 - Communications: directive radio wave systems and devices