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:
Apr. 09, 2013
Filed:
Jan. 28, 2011
Zhou GE, Shenzhen, CN;
Bin Yang, Shenzhen, CN;
Zheng-kui Meng, Shenzhen, CN;
Yi-lin Yan, Shenzhen, CN;
Rui Zhang, Shenzhen, CN;
Zhou Ge, Shenzhen, CN;
Bin Yang, Shenzhen, CN;
Zheng-Kui Meng, Shenzhen, CN;
Yi-Lin Yan, Shenzhen, CN;
Rui Zhang, Shenzhen, CN;
AAC Acoustic Technologies (Shenzhen) Co., Ltd., Shenzhen, CN;
American Audio Components Inc., La Verne, CA (US);
Abstract
A accelerometer includes a substrate define a stationary electrode thereon, a first moveable mass defining a conductive-layer thereon facing the stationary electrode, a plurality of first elastic elements coupled with a peripheral side of the first moveable mass, a first fixed element surrounding the first moveable mass and fixedly attached to the substrate, a plurality of first fixed electrodes extending outwardly from the first fixed element, a second moveable mass surrounding the first fixed electrodes, a plurality of first moveable electrodes extending inwardly from the second moveable mass toward the first fixed element and parallel to the first fixed electrodes, respectively, a plurality of second elastic elements coupled with a peripheral side of the second moveable mass, and a second fixed element surrounding the second moveable mass and fixedly attached to the substrate.