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:
Feb. 19, 2008
Filed:
Jun. 23, 2003
Shoichi Saito, Hachioji, JP;
Hiromichi Sakano, Hachioji, JP;
Shoichi Saito, Hachioji, JP;
Hiromichi Sakano, Hachioji, JP;
Olympus Corporation, Tokyo, JP;
Abstract
An optical unit includes a first unit formed by accommodating, in a first case, an optical member which receives a light beam from an object, a light amount adjustment mechanism to adjust the amount of the light beam, and a light amount adjustment actuator unit constituted by integrating first and second actuators that drive the light amount adjustment mechanism, and a second unit formed by accommodating, in a second case, a lens group which is movably arranged to obtain a predetermined object image from the light beam, and a lens driving actuator unit which is mainly constituted by a stepping motor having a stacked stator core to drive the lens group. The first and second units can detachably be coupled through a coupling unit provided between the first case and the second case.