The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 09, 2014

Filed:

May. 27, 2009
Applicants:

Masao Takahashi, Fujisawa, JP;

Junichi Sato, Kunitachi, JP;

Takashi Miyabe, Kawasaki, JP;

Tokihiro Umemura, Mie-gun Mie, JP;

Tsuyoshi Kuwabara, Mie-gun Mie, JP;

Inventors:

Masao Takahashi, Fujisawa, JP;

Junichi Sato, Kunitachi, JP;

Takashi Miyabe, Kawasaki, JP;

Tokihiro Umemura, Mie-gun Mie, JP;

Tsuyoshi Kuwabara, Mie-gun Mie, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A polarizing optical system () is disposed perpendicular to an optical axis of incoming light from a light source (), having the optical axis () as a center axis, and configured for polarization of incoming light to a prescribed reference state, an electro-optical device () is disposed perpendicular to the optical axis, having the optical axis as a center axis, and adapted, as a voltage to be measured is imposed thereon, to respond to the imposed voltage by polarizing light polarized by the polarizing optical system (), and an analyzer () is disposed perpendicular to the optical axis, having the optical axis as a center axis, and adapted for detection of light polarized by the electro-optical device (), to irradiate a detector () configured for conversion of incoming light into an electric signal.


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