Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Reexamination Certificate
2006-03-01
2009-08-04
Dole, Timothy J (Department: 2831)
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Lumped type parameters
C324S661000, C324S686000, C073S780000, C073S862626
Reexamination Certificate
active
07570065
ABSTRACT:
Cylindrical capacitance force sensing device/method is disclosed. In one embodiment, an apparatus includes a capacitor having two parallel conductive surfaces, a cylindrical housing with a cover plate to encompass the capacitor, and a sensor in the cylindrical housing to generate a measurement based on a change in a distance between the two conductive surfaces when the cover plate is deflected by a load applied on the cover plate. In another embodiment, a method may include applying a load on top of a housing which encompasses a capacitive sensor having two parallel conductive surfaces to produce a deflection of a cover plate of the housing, automatically generating a measurement from the capacitive sensor when a distance between the two parallel conductive surfaces is charged due to the deflection of the cover plate, and decreasing an error in the measurement via stabilizing to a mounting surface.
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Dallenbach William D.
Harish Divyasimha
Schultz John
Wong King
Abhyanker LLP Raj
Dole Timothy J
Loadstar Sensors Inc
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