Invention Application
- Patent Title: Debris Filter Sensor
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Application No.: US15423114Application Date: 2017-02-02
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Publication No.: US20170144095A1Publication Date: 2017-05-25
- Inventor: Robert Gregory Twiss
- Applicant: Cisco Technology, Inc.
- Main IPC: B01D46/00
- IPC: B01D46/00 ; G01N15/08 ; G01N15/06

Abstract:
In one embodiment, a piezoelectric device is positioned adjacent to a debris fence. A resonant frequency detection circuit connects with the piezoelectric device. The resonant frequency of the piezoelectric device is responsive to debris adjacent to the debris fence.
Public/Granted literature
- US09707501B2 Debris filter sensor Public/Granted day:2017-07-18
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