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. 25, 2014
Filed:
Nov. 24, 2011
Applicants:
Weng-chang Shen, Taoyuan County, TW;
Hsu-hsiang Tseng, Taoyuan County, TW;
Inventors:
Weng-Chang Shen, Taoyuan County, TW;
Hsu-Hsiang Tseng, Taoyuan County, TW;
Assignee:
HTC Corporation, Taoyuan County, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/08 (2006.01); H03H 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electronic device and an adjustment method thereof are provided. Generate an adjustment voltage according to a preset capacitance and a capacitance detected by a capacitive sensor coupled to both sides of a piezoelectric element, and generate a driving voltage to drive the piezoelectric element according to the adjustment voltage, so as to avoid depolarization of the piezoelectric element affecting the vibration strength of the vibration device.