Sensor device and method thereof

Details Sensor device and method thereof Sensor device and method thereof

2011-07-12

2011-07-12

He, Amy (Department: 2858)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

For fault location

C324S525000, C324S527000

Reexamination Certificate

active

07977948

ABSTRACT:
A sensor device determines a value based on a sensed parameter by applying a voltage across two voltage terminals of a sensor. In response, the sensor provides an electrical signal representative of a sensed parameter to a controller via a pair of conductors. The controller samples the electrical signal to determine the value. In addition, the controller alternates the polarity of the voltage applied to the voltage terminals, thereby reducing the risk of damage to the conductors due to ion drift.

REFERENCES:
patent: 5150062 (1992-09-01), Takeuchi
patent: 7085657 (2006-08-01), Drossel
patent: 2009/0102493 (2009-04-01), Disney et al.

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