OPTICAL KEYBOARD
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United States of America Patent
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app pub date -
Sep 15, 2016
filing date -
Jul 11, 2016
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Abstract
An optical keyboard includes an upper cover plate, a bottom plate, a circuit board and plural optical keys. The circuit board is arranged between the upper cover plate and the bottom plate. The circuit board is connected with the upper cover plate that is disposed on the circuit board. The plural keys are penetrated through corresponding openings of the upper cover plate. Moreover, a bottom surface of each optical key is contacted with a top surface of the circuit board. The upper cover plate is an integral structure. Consequently, the components of the optical keyboard are simplified, and the assembling precision is enhanced.
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