×

Antenna feed system for receiving circular polarization and transmitting linear polarization

  • US 4,308,541 A
  • Filed: 12/21/1979
  • Issued: 12/29/1981
  • Est. Priority Date: 12/21/1979
  • Status: Expired due to Term
First Claim
Patent Images

1. A system for coupling an antenna feed to means having one port for receiving circularly polarized signals and to means having one port for transmitting linearly polarized signals comprisingtwo transmission paths,means connected to said antenna feed for dividing a received circularly polarized signal into separate linearly and orthogonally polarized signals in said two transmission paths,a quadrature hybrid junction having two input ports, each connected to one of said two transmission paths, and one output port, and having its output port connected to said one port of said receiving means for combining said two linearly and orthogonally polarized signals into a circularly polarized signal, anddiplexing means for coupling said one port of said linearly polarized transmitting means into at least one of said two transmission paths for transmitting a linearly polarized signal through said antenna feed.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×