Invention Grant
- Patent Title: Systems and methods for sensing a level of a volume of a liquid in a container using one or more antenna elements
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Application No.: US16874823Application Date: 2020-05-15
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Publication No.: US11611140B2Publication Date: 2023-03-21
- Inventor: David Witts , Olivier Pajona , Markus Frädrich , Stefan Rühl , Stephane Proust , Jaakko Kyllonen , Jonathan Hayes
- Applicant: AB Elektronik GMBH
- Applicant Address: DE Werne
- Assignee: AB Elektronik GMBH
- Current Assignee: AB Elektronik GMBH
- Current Assignee Address: DE Werne
- Agency: Dority & Manning, P.A.
- Main IPC: H01Q1/22
- IPC: H01Q1/22 ; H01Q9/28 ; H01Q9/30

Abstract:
A liquid level sensor system can include a container configured to hold a volume of a liquid and a monopole antenna arranged proximate the volume of the liquid. A radiofrequency circuit may be configured to apply a radio frequency signal to the monopole antenna and provide one or more signals indicative of a level of the volume of the liquid within the container based on a radio frequency characteristic of the monopole antenna.
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