Low power absolute position sensor and method

Details Low power absolute position sensor and method Low power absolute position sensor and method

2006-04-04

2006-04-04

Deb, Anjan (Department: 2858)

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

C324S609000

Reexamination Certificate

active

07023224

ABSTRACT:
An absolute position sensor having a low power mode includes a sensing device for sensing position of an object such as a power door, a power input for inputting power to the sensing device, and an output for supplying an output signal indicative of the sensed position. The sensor also includes a controller that receives the output signal and controls power supplied to the power input. The controller determines when the output signal does not change by a predetermined amount and controls the power input to reduce power when the output signal does not change by the predetermined amount. The controller further reapplies continuous full power to the power input when the output signal changes by the predetermined amount.

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