Acer Inc.

Hung-Wu Shih

Yan-Lin Kuo

Hsueh-Chih Peng

Hao-Sheng Lo

Tsan-Sheng Chen

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.

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Tapei Hsien, Taiwan

Hung-Wu Shih