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:
Feb. 25, 2020

Filed:

Feb. 06, 2018
Applicant:

Hamamatsu Photonics K.k., Hamamatsu-shi, Shizuoka, JP;

Inventor:

Hideshi Oishi, Hamamatsu, JP;

Assignee:

HAMAMATSU PHOTONICS K.K., Hamamatsu-shi, Shizuoka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 21/24 (2006.01); G02B 21/00 (2006.01); H04N 5/232 (2006.01); G02B 13/00 (2006.01);
U.S. Cl.
CPC ...
G02B 13/0055 (2013.01); G02B 21/244 (2013.01); H04N 5/23212 (2013.01);
Abstract

In the image capturing apparatus, the optical path difference producing member is disposed on the second optical path. Thereby, it is possible to suppress the amount of light when an optical image which is focused at the front of an optical image made incident into the first imaging device (front focus) and an optical image which is focused at the rear thereof (rear focus) are respectively imaged at the second imaging device and also to secure the amount of light on image pickup by the first imaging device. Further, in the image capturing apparatus, a position of the first imaging region and a position of the second imaging region on the imaging area are reversed with respect to the axis P in association with reversal of a scanning direction of the sample. Therefore, despite the scanning direction of the sample, it is possible to obtain a deviation direction of the focus position under the same conditions.


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