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:
Mar. 19, 2013
Filed:
Feb. 24, 2011
Woo-jong Cho, Suwon-si, KR;
Mun-cheol Choi, Hwaseong-si, KR;
Chan-young Moon, Siheung-si, KR;
Dong-eui Shin, Anyang-si, KR;
Woo-jong Cho, Suwon-si, KR;
Mun-cheol Choi, Hwaseong-si, KR;
Chan-young Moon, Siheung-si, KR;
Dong-eui Shin, Anyang-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A piezoelectric motor includes a piezoelectric element; a stator comprising a first surface and a second surface, wherein the piezoelectric element is disposed on the first surface and a plurality of projections are formed on the second surface; a rotor comprising an operating portion that contacts the plurality of projections and that rotates via waves of the stator generated by the piezoelectric element, wherein a part of each of the plurality of projections that contacts the operating portion comprises a curved contact portion.