Electricity: measuring and testing – Magnetic – Displacement
Reexamination Certificate
2007-11-06
2007-11-06
Patidar, Jay M (Department: 2862)
Electricity: measuring and testing
Magnetic
Displacement
C324S207250
Reexamination Certificate
active
11400154
ABSTRACT:
An apparatus and a method for providing an output signal correlated with a part position for a moveable part over a positional range, the apparatus includes a transmitter coil, the transmitter coil producing an electromagnetic field when excited by an exciter signal; a receiver coil located proximate to the transmitter coil, the receiver coil generating a receiver signal when the transmitter coil is excited due to inductive coupling between the transmitter coil and the receiver coil, the receiver signal being sensitive to the part position; a reference coil, providing a reference signal substantially independent of the part position; a signal conditioner receiving the receiver signal and the reference signal, the signal conditioner including an analog divider generating a ratio signal from the receiver signal and the reference signal, the output signal being obtained from the ratio signal.
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PCT Search Report, PCT/IB2006/000829, mailed Sep. 12, 2006.
Gifford Krass Sprinkle Anderson & Citkowski P.C.
KSR International Co.
Patidar Jay M
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