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Wave guide adapter

  • US 6,661,305 B1
  • Filed: 06/10/2002
  • Issued: 12/09/2003
  • Est. Priority Date: 08/10/1999
  • Status: Expired due to Term
First Claim
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1. A waveguide adapter for low reflection transmission of electromagnetic energy between a rectangular waveguide having a single cross-section for permitting propagation of a fundamental wave type, and an elliptical waveguide for permitting propagation of the fundamental wave type and higher wave types, comprising:

  • a longitudinal channel for permitting propagation along a direction of transmission of the higher wave types on at least a part of a length of the longitudinal channel, the longitudinal channel having a plurality of stages of different cross-section following in succession in the direction of transmission, and waveguide gates for coupling to the higher wave types of the elliptical waveguide, said stages in which the higher wave types are capable of propagation having an elliptical cross-section.

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