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:
Nov. 19, 2013
Filed:
Dec. 30, 2010
Kuo-hua Tseng, Taipei County, TW;
Chang-ho Liou, Changhua County, TW;
Ming-daw Chen, Hsinchu, TW;
Kuan-wei Chen, Taichung County, TW;
Che-yuan Sun, Hualien County, TW;
Kuo-Hua Tseng, Taipei County, TW;
Chang-Ho Liou, Changhua County, TW;
Ming-Daw Chen, Hsinchu, TW;
Kuan-Wei Chen, Taichung County, TW;
Che-Yuan Sun, Hualien County, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
A driving interface device adaptive to a flat speaker is introduced herein. The driving interface device is coupled with an external sound source for receiving sound signals, and boosts voltage levels of the sound signals to drive the thin flat speaker without using an external power source. In one embodiment, an impedance component is provided in the driving interface device for coupling to the external sound source, so as to drive the flat speaker.