×

Toroidal antenna

  • US 5,442,369 A
  • Filed: 12/15/1992
  • Issued: 08/15/1995
  • Est. Priority Date: 12/15/1992
  • Status: Expired due to Term
First Claim
Patent Images

1. An electromagnetic antenna comprising a toroidal surface and first and second windings, characterized in that:

  • the first and second windings respectively comprise insulated first and second conductors each extending in a helical pattern as a single closed circuit around and over the surface of said toroid with the first and second conductors contrawound relative to each other in each of a plurality of adjacent toroid segments extending around the toroid, the segments being defined by nodes at which the first and second windings change respective winding direction; and

    first and second signal terminals are connected to the nodes.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×