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公开(公告)号：WO2018169514A1
公开(公告)日：2018-09-20
申请号：PCT/US2017/022237
申请日：2017-03-14
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： CHEN, Chien-Hua , BOUCHER, William R. , CUMBIE, Michael W.
IPC: G01F23/24 , G01F23/26 , G01F23/284 , G01F23/22 , B41J2/175
Abstract: A liquid level sensor circuit for measuring a liquid level in the reservoir comprising two electrodes extending into the reservoir along at least part of a height of the reservoir down to a base of the reservoir, wherein the liquid level sensor circuit is arranged to have increased sensitivity near the base.
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