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:
Apr. 11, 2017
Filed:
Mar. 14, 2016
Olympus Corporation, Tokyo, JP;
Takehide Fujimoto, Tokyo, JP;
Kiyotaka Kanno, Saitama, JP;
Yutaka Fujisawa, Akishima, JP;
Kotaro Ogasawara, Tokyo, JP;
OLYMPUS CORPORATION, Tokyo, JP;
Abstract
There is provided an image pickup system for endoscope including: a light source; an image forming optical system; a focus lens driving section; an image pickup section outputting an image signal; an image signal amplifying section; an image brightness detecting section; a brightness adjusting section adjusting a brightness control condition such as a light quantity of the light source, an image pickup condition of the image pickup section and an amplification factor of the amplifying section so that brightness of an image becomes a predetermined brightness; an auxiliary AF section estimating a temporary focus position based on the brightness control condition; a control section setting a small scanning range including the temporary focus position; and a contrast AF section causing contrast AF to be performed in the scanning range.