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. 13, 2016
Filed:
May. 09, 2012
Seiji Iwasaki, Iruma, JP;
Seiji Iwasaki, Iruma, JP;
OLYMPUS CORPORATION, Tokyo, JP;
Abstract
An image pickup apparatus for an endoscope includes: an image pickup device unit including an image pickup device; a lens unit including a moving lens; an actuator apparatus for an endoscope, the actuator apparatus including a first elastic member having an urging force that makes a moving lens frame be arranged at a first observation position, a second elastic member making the moving lens frame be arranged at a second observation position, and a shape memory alloy wire having a property of extending/contracting due to an applied current; a driving force transmitting wire arranged on a distal end side of the shape memory alloy wire; a pressing member, upon receipt of an elastic force from the second elastic member, pressing the moving lens frame to the second observation position; and a fixing portion that fixes the driving force transmitting wire and the shape memory alloy.