Patent · US Active

Apparatus for determining and/or monitoring the level of a medium

US8040274B2 · kind B2 · utility

13Cited by

5References

14Claims

0Family size

Assignee

ENDRESS+HAUSER GMBH+CO.KG · DE

Inventors

Armin Wendler · Glückstadt, DE
Qi Chen · Maulburg, DE
Tamas Bartfai · Budapest, HU

Key dates

Filing date	Jun 14, 2007
Grant date	Oct 18, 2011
Priority date	—
Expiry date	Jul 24, 2027

Classification

Technology area (CPC G)Physics
CPC primaryG01F23/284
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An apparatus for ascertaining and/or monitoring fill level of a medium in a container. The apparatus includes an antenna, which transmits and receives high frequency signals in a predetermined oscillatory mode in a bounded space in a predetermined radiation direction, wherein, in front of the antenna in the radiation direction, an antenna protection element of a material transmissive for the high frequency signals is provided, and wherein a control/evaluation unit is provided, which evaluates the received high frequency signals and ascertains the fill level.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.