Optical characteristic measuring apparatus

Details Optical characteristic measuring apparatus Optical characteristic measuring apparatus

2008-09-22

2010-02-23

Punnoose, Roy (Department: 2886)

Optics: measuring and testing

Position or displacement

C356S601000, C073S653000

Reexamination Certificate

active

07667856

ABSTRACT:
An optical characteristic measuring apparatus of the invention is configured in such a manner that a specular reflection light component in reflection light from an object to be measured is received, and shake of the apparatus is detected based on the amount of the received light. The optical characteristic measuring apparatus having the above arrangement enables to precisely measure an optical characteristic of the object to be measured, without the need of providing a mechanical switch or a like device, and without depending on the shape of the object to be measured.

REFERENCES:
patent: 5394233 (1995-02-01), Wang
patent: 7262854 (2007-08-01), Imura
patent: 2006-10508 (2006-01-01), None

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