<p>A diagnostic system for a pressure sensor (56) having a cavity (132, 134) configured to receive on applied pressure is provided. The cavity (132, 134) has a first and a second wall. A deflectable diaphragm (106) is positioned in the cavity and configured to form a first and a second capacitance with the first wall and a third and a fourth capacitance with the second wall which change in response to the applied pressure. The capacitances form a first transfer function and a second transfer function. Changes in the first transfer function relative to the second transfer function are detected to provide a diagnostic output.</p>
申请公布号
MX2009000457(A)
申请公布日期
2009.01.27
申请号
MX20090000457
申请日期
2007.07.10
申请人
JANSSEN PHARMACEUTICA N.V.
发明人
GOMEZ, LAURENT;EDWARDS, JAMES P.;GRICE, CHERYL A.;SAVALL, BRAD M.;MANI, NEELAKANDHA S.;CHAVEZ, FRANK;CURTIS, MICHAEL P.;KEARNEY, AARON M.;FITZGERALD, ANNE E.;LIU, JING