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.

Date of Patent:
Jul. 12, 2011

Filed:

Oct. 06, 2009
Applicants:

Burhanettin Koc, Seongnam-si, KR;

Sung-won Min, Seoul, KR;

Dong-kyun Lee, Seoul, KR;

Jung-ho Ryu, Suwon-si, KR;

Inventors:

Burhanettin Koc, Seongnam-si, KR;

Sung-Won Min, Seoul, KR;

Dong-Kyun Lee, Seoul, KR;

Jung-Ho Ryu, Suwon-si, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M 3/32 (2006.01);
U.S. Cl.
CPC ...
Abstract

A piezoelectric vibrator including a pair of first piezoelectric elements having the same rectangular parallelepiped shape and polarized in opposite directions; and a pair of second piezoelectric elements, having the same rectangular parallelepiped shape and respectively attached to a face of the first piezoelectric element, and polarized in the same direction. In the piezoelectric vibrator the first piezoelectric elements are longer than the second piezoelectric elements, and the first piezoelectric elements vibrate in a longitudinal direction and the second piezoelectric elements vibrate in a bending direction when electrical signals are inputted.


Find Patent Forward Citations

Loading…