3887926

Information

• Patent Grant
• 3887926

• References
• Source

• Patent Number

  3,887,926

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1975
  49 years ago

• CPC

  • H01Q3/242 - Circumferential scanning
  • 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...
  • H01Q19/102 - wherein the surfaces are of convex toroïdal shape
  • H01Q21/22 - Aerial units of the array energised non-uniformly in amplitude or phase

• US Classifications

  • 343 - Communications: radio wave antennas
  • 342 - Communications: directive radio wave systems and devices