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:
Jan. 29, 2013
Filed:
Nov. 06, 2008
Hung-wu Shih, Tapei Hsien, TW;
Hao-sheng Lo, Tapei Hsien, TW;
Hsueh-chih Peng, Tapei Hsien, TW;
Tsan-sheng Chen, Tapei Hsien, TW;
Yan-lin Kuo, Tapei Hsien, TW;
Hung-Wu Shih, Tapei Hsien, TW;
Hao-Sheng Lo, Tapei Hsien, TW;
Hsueh-Chih Peng, Tapei Hsien, TW;
Tsan-Sheng Chen, Tapei Hsien, TW;
Yan-Lin Kuo, Tapei Hsien, TW;
Acer Inc., Taipei Hsien, TW;
Abstract
A touchpad interface device includes a sensing board, a light guide plate, a control panel, and a plurality of lighting elements. The control panel includes a plurality of transparent areas and a plurality of covering areas to form a plurality of patterns. Users can understand the operating functionality of the control panel according to the plurality of patterns. The plurality of patterns includes a plurality of scale patterns, and the plurality of scale patterns have a volume adjusting area. The plurality of light members is located under the control panel and corresponding to the volume adjusting area. When the plurality of lighting elements illuminate, the scale patterns at the corresponding position are illuminated.