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:
Sep. 29, 2026
Filed:
Jun. 12, 2024
Evident Corporation, Tatsuno-machi, JP;
Tadashi Hirata, Kamiina-gun, JP;
Evident Corporation, Kamiina-Gun, JP;
Abstract
An observation system includes: an illumination device that illuminates an observation object with illumination light from a plurality of different directions; an imaging device that includes an objective that condenses light from the observation object and images the observation object with the light collected by the objective; and a control unit. The control unit calculates a focus position of the imaging device based on a plurality of image groups acquired by the imaging device at observation positions different from each other in an optical axis direction of the objective, each of the plurality of image groups including a plurality of images of the observation object illuminated from directions different from each other by the illumination device.