| 摘要 |
An input device includes a base, a touchscreen, and a projector. The base defines a receiving slot. The touchscreen is secured to the base. The projector can be pivotally received in the receiving slot. The projector includes a holder and a lens. One end of the holder is pivotally secured to the base, and the lens is secured to the other end of the holder. The lens can project a keyboard image on the touchscreen to identify input locations.
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