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Antenna system for a level measurement apparatus

  • US 6,891,513 B2
  • Filed: 11/26/2002
  • Issued: 05/10/2005
  • Est. Priority Date: 11/26/2001
  • Status: Expired due to Term
First Claim
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1. An antenna system for a level measuring device for measuring a filling level of a filling product in a receptacle by means of microwave signals, comprising an antenna horn having an inner antenna horn flaring zone, and a planar structure present in the inner antenna horn flaring zone, which planar structure couples microwave signals into the antenna horn for determining the filling level of the filling product, which microwave signals are then emitted by the antenna horn.

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