Position sensing system for moveable member

Details Position sensing system for moveable member Position sensing system for moveable member

2007-03-27

2007-03-27

Tsai, Carol S. W. (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system

Orientation or position

C382S278000, C382S313000, C382S312000, C358S473000

Reexamination Certificate

active

11094383

ABSTRACT:
A method of monitoring a position of a movable member having a surface is provided. The method includes sensing an image of a portion of the surface of the movable member and identifying a stored image in a memory corresponding to the sensed image. The method further includes identifying a location of the movable member corresponding to the stored image. The stored image is replaced with the sensed image in the memory.

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