Keyless pointer input device

作者: Hao-Fong Lin

DOI:

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摘要: The present invention is related to a keyless pointer input device, especially device including control circuit, an optical sensor for detecting the movement of and generating respective displacement, ball shaft type key element, bottom plate, upper cover casing capable being moved slightly. Then main parts can be assembled casing. on appearance device. Therefore, integral formed with seat. element used cause signals generated by moving

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