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:
May. 06, 2014
Filed:
Nov. 25, 2008
Applicant:
Juha-pekka Pettersson, Kangasala, FI;
Inventor:
Juha-Pekka Pettersson, Kangasala, FI;
Assignee:
Nokia Corporation, Espoo, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 41/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed herein is an apparatus. The apparatus includes a housing, a first piezo element, a second piezo element, and a mass. The first piezo element and the second piezo element are inside the housing. The mass is movably mounted inside the housing. The mass is configured to move inside the housing in response to a displacement of at least one of the first piezo element and the second piezo element. The mass is simultaneously in direct contact with the first piezo element and the second piezo element.