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:
Jun. 14, 2011
Filed:
Jun. 04, 2009
Seiji Iwasaki, Hachioji, JP;
Toru Kuchimaru, Hachioji, JP;
Yuuya Ishida, Hachioji, JP;
Seiji Sakai, Chofu, JP;
Seiji Iwasaki, Hachioji, JP;
Toru Kuchimaru, Hachioji, JP;
Yuuya Ishida, Hachioji, JP;
Seiji Sakai, Chofu, JP;
Olympus Medical Systems Corp., Tokyo, JP;
Abstract
An actuator apparatus of the present invention includes a movable body that is arranged so as to be movable forward or rearward, and a shape memory alloy wire that is provided directly or indirectly to the movable body so as to enter a non-tension state at an ordinary temperature. The shape memory alloy wire is subjected to expansion/contraction control in which an electric current is applied thereto from a power supply portion of an external control circuit portion to change a temperature thereof to a predetermined temperature.