Inverted v-beam antenna system

• US 3,242,491 A
• Filed: 12/12/1962
• Issued: 03/22/1966
• Est. Priority Date: 12/12/1962
• Status: Expired due to Term

• Current Assignee: Charles F. Winter
• Original Assignee: Charles F. Winter
• Inventors: Winter, Charles F.
• Application Number:
  US04/244,059
• Time in Patent Office: 1,196 Days
• US Class Current: 342/33
• CPC Class Codes: G01S 1/02 using radio waves G01S19/00 takes precedence
• CPC Class Codes: G01S 13/913 for landing purposes
• CPC Class Codes: H01Q 19/175 arrayed along the focal line of a cylindrical focusing surface
• CPC Class Codes: H01Q 25/00 Antennas or antenna systems providing at least two radiating patterns arrangements for changing or varying the orientation or the shape of the directional pattern H01Q3/00
• CPC Class Codes: H01Q 3/00 Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system means for positioning H01Q1/125
• CPC Class Codes: H01Q 3/02 using mechanical movement of antenna or antenna system as a whole

Claims

1. AN INVERTED V-BEAM ANTENNA SYSTEM ADAPTED TO SCAN A PORTION OF A SPHERICAL VOLUME OF SPACE OF PROVIDE ACCURATE ELEVATION MEASUREMENTS OVER A SUBSTANTIALLY 90* RANGE OF ANGLES AND SIMULTANEOUSLY PROVIDE THE GREATEST SENSITIVITY OF MEASUREMENT AT THE LOW ELEVATION ANGLES COMPRISING MEANS FOR PROVIDING A PLRALITY OF SHAPED BEAMS, AND MEANS FOR DIRECTING AT LEAST ONE OF SAID PLURALITY OF SHAPED BEAMS ALONG A SMALL CIRCLE ARC INTERSECTING THE ZENITH OF SAID VOLUME SUCH THAT THE SPREAD BETWEEN SAID AT LEAST ONE BEAM AND AT LEAST ONE ANOTHER BEAM DECREASES WITH INCREASING HEIGHT ABOVE SAID ANTENNA SYSTEM.