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:
Oct. 20, 2015

Filed:

Mar. 27, 2012
Applicants:

Naoki Oda, Minato-ku, JP;

Shuichi Ohkubo, Shinagawa-ku, JP;

Takayuki Sudo, Shingawa-ku, JP;

Inventors:

Naoki Oda, Minato-ku, JP;

Shuichi Ohkubo, Shinagawa-ku, JP;

Takayuki Sudo, Shingawa-ku, JP;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 9/47 (2006.01); H04N 7/18 (2006.01); G01N 21/3581 (2014.01); G03B 15/05 (2006.01); G03B 42/00 (2006.01);
U.S. Cl.
CPC ...
G01N 21/3581 (2013.01); G03B 15/05 (2013.01); G03B 42/00 (2013.01);
Abstract

The present invention is applied for an image capturing device having a light source and a camera that captures an image of a measurement subject placed in an optical path that lies between said camera itself and said light source. The image capturing device according to the present invention includes a control unit that subtracts a plurality of frame images captured by said camera during an OFF period of said light source from a plurality of frame images captured by said camera during an ON period of said light source, the number of frame images captured by said camera during the OFF period being the same as that number of frame images obtained by said camera during the ON period and integrates the differences between their images.


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