Method and apparatus for determining orientation of polarized ca

Details Method and apparatus for determining orientation of polarized ca Method and apparatus for determining orientation of polarized ca

1991-12-20

1992-10-27

Griffin, Donald

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

324537, H01G 400, G01R 3102

Patent

active

051595265

ABSTRACT:
The orientation of a polarized capacitor is determined by applying first and second signals to the inner and outer conducting plates of the capacitor, the first signal being out of phase with the second signal, such that the outer plate of the capacitor generates an external electric field responsive to its respective signal which is greater in magnitude than the external electric field generated by the first plate. The electric field is sensed proximate to the capacitor and a third signal is output responsive to the electric field. The phase of the third signal is used to determine the orientation of the capacitor.

REFERENCES:
patent: 3851243 (1974-11-01), Banner
patent: 4445084 (1984-04-01), Washington
patent: 4918392 (1990-04-01), Torres

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