Invention Grant
- Patent Title: Capacitive pressure measurement device with varying frequency
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Application No.: US16978118Application Date: 2019-03-07
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Publication No.: US11340129B2Publication Date: 2022-05-24
- Inventor: Heinz Walter , Manfred Maurus , Peter Kimbel , Alexander Oppe
- Applicant: IFM ELECTRONIC GMBH
- Applicant Address: DE Essen
- Assignee: IFM ELECTRONIC GMBH
- Current Assignee: IFM ELECTRONIC GMBH
- Current Assignee Address: DE Essen
- Priority: DE102018105234.0 20180307
- International Application: PCT/EP2019/055669 WO 20190307
- International Announcement: WO2019/170798 WO 20190912
- Main IPC: G01L19/06
- IPC: G01L19/06 ; G01L9/12
Abstract:
The disclosure relates to a method for operating a capacitive pressure measurement device. In order to achieve an insensitivity to external signal sources, the disclosure proposes continuously varying the working frequency of the pressure measurement device so that a resonance formation with externally injected (interfering) frequencies is avoided.
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