×

Waveguide and method of manufacture

  • US 7,280,011 B2
  • Filed: 11/25/2002
  • Issued: 10/09/2007
  • Est. Priority Date: 11/27/2001
  • Status: Expired due to Term
First Claim
Patent Images

1. A hollow waveguide, the waveguide comprising a wall having plural pegs thereon which project into the hollow interior of the waveguide such that the waveguide propagates electromagnetic waves only below a certain frequency, the surface of each of the pegs being substantially free of discontinuity and wherein at least some of the pegs have a substantially elliptical cross-sectional shape.

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