Method and system for measuring the curvature of an optical...

Optics: measuring and testing – Lens or reflective image former testing

Reexamination Certificate

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Reexamination Certificate

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07570351

ABSTRACT:
A system and method of measuring the curvature of a surface of a object operate by illuminating the object surface with a light pattern having a known size to produce a virtual reflected image from the object surface; measuring a size of the virtual reflected image produced by the object surface from the light pattern; and calculating a curvature of the object surface from the known size of the light pattern and the size of the virtual reflected image.

REFERENCES:
patent: 5873832 (1999-02-01), Maloney et al.

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