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:
Mar. 05, 2024

Filed:

Nov. 06, 2018
Applicant:

Hamamatsu Photonics K.k., Hamamatsu, JP;

Inventor:

Satoshi Takimoto, Hamamatsu, JP;

Assignee:

HAMAMATSU PHOTONICS K.K., Hamamatsu, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 21/06 (2006.01); G02B 21/10 (2006.01); G02B 21/24 (2006.01); G02B 21/36 (2006.01); H04N 23/55 (2023.01);
U.S. Cl.
CPC ...
G02B 21/367 (2013.01); G02B 21/10 (2013.01); G02B 21/24 (2013.01); H04N 23/55 (2023.01);
Abstract

An image acquisition device includes: a stage on which a sample is placed; a drive unit; a first irradiation optical system; a second irradiation optical system; a beam splitter; a pupil dividing element; a first imaging lens; a first imaging element; an analysis unit; a control unit; a second imaging lens; and a second imaging element, a first irradiation light irradiation range captured by the first irradiation optical system includes a second imaging region captured by the second imaging element, the second imaging region is located behind a first imaging region in a scanning direction, and the control unit controls a focus position of an objective lens based on focus information before capturing the second imaging region by the second imaging element.


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