An optical touch device includes a transparent substrate and at least a light emitting and receiving unit. The transparent substrate has a touch surface, a first light incidence surface and a first light emitting surface. Each light emitting and receiving unit includes a linear light source, a light.....
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The present invention relates to a computer system capable of adjusting the operating frequency dynamically and comprises at least a processor voltage-adjusting unit, a clock-generating circuit, at least a load-detecting unit, and a control unit. The processor voltage-adjusting unit and the clock-ge.....
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A semiconductor element and a manufacturing method thereof are provided. The semiconductor element includes a substrate and multiple semiconductor chips disposed thereon. The semiconductor chips are arranged to form multiple sequentially nested circle(s), and a circumference of each of which is arra.....
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A coupling structure includes a hook bar and a force receiving member adopted for use on an electronic device that has a folding member such as a notebook computer that consists of an upper lid and a base. The folding member is the upper lid. The force receiving member and the hook bar have respecti.....
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A LED lamp and an optical lens thereof are provided. The LED lamp includes a LED light source and an optical lens covering the LED light source. The optical lens includes a dome structure and a protrusion structure. The dome structure has an external surface. The protrusion structure is disposed pro.....
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