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. 27, 2015

Filed:

Jan. 29, 2014
Applicant:

Mitutoyo Corporation, Kawasaki-shi, Kanagawa, JP;

Inventors:

Kenji Okabe, Kawasaki, JP;

Tatsuya Nagahama, Kawasaki, JP;

Nobuya Kaneko, Kawasaki, JP;

Assignee:

MITUTOYO CORPORATION, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/64 (2006.01); G02B 21/24 (2006.01); G01N 21/25 (2006.01);
U.S. Cl.
CPC ...
G01N 21/64 (2013.01); G01N 21/25 (2013.01); G02B 21/248 (2013.01);
Abstract

In an optical measuring device, the visual observation section includes: a white light source which emits white light; a first objective lens arranged between the white light source and measurement object, through which the white light emitted from the white light source and return light from the measurement object transmit; a plurality of tube lenses which change a magnification of the return light passing through the first objective lens to a predetermined magnification; and a lens switching mechanism which can selectively switch the tube lenses so as to select one of the tube lenses to be arranged on the return light, and the special observation section includes: a special light source which emits special light; and a second objective lens arranged between the special light source and measurement object, through which the special light emitted from the special light source and return light from the measurement object transmit.


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