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:
Dec. 29, 2020
Filed:
May. 22, 2017
Fujifilm Corporation, Tokyo, JP;
Kenta Matsubara, Minamiashigara, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
The phase contrast microscope includes: an illumination optical systemthat emits illumination light for phase difference measurement to an observation target placed in a container; an adjustment optical systemthat is provided between the illumination optical systemand the observation target S, has at least one optical element, and adjusts refraction of the illumination light due to a liquid surface shape of a liquid C in the container; an imaging unitthat images the observation target to which the illumination light has been emitted; and an adjustment optical system control unitthat adjusts optical characteristics of the adjustment optical systembased on uniformity of a density of an image captured by the imaging unitand a density contrast.