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.
Patent No.:
Date of Patent:
Jun. 07, 2016
Filed:
Feb. 12, 2015
Applicant:
Yokogawa Electric Corporation, Musashino-shi, Tokyo, JP;
Inventor:
Takuya Azuma, Tokyo, JP;
Assignee:
YOKOGAWA ELECTRIC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 26/08 (2006.01); G02B 26/10 (2006.01); G02B 21/00 (2006.01);
U.S. Cl.
CPC ...
G02B 26/0875 (2013.01); G02B 21/0044 (2013.01); G02B 26/10 (2013.01); G02B 26/105 (2013.01); G02B 21/0048 (2013.01); G02B 21/0076 (2013.01);
Abstract
A confocal optical scanner according to one aspect of the present invention includes an optical filter. The optical filter includes a plate-shaped body including a first surface and a second surface opposite to the first surface. The first surface has a plurality of pinholes. The optical filter further includes a plurality of first microlenses on the second surface. The first microlenses are disposed nearly coaxially with the pinholes, respectively.