| 摘要 |
An optical input device is provided to be operated by a user to generate a vector signal. The optical input device includes an operating stick and an optics module. A reflecting body is disposed at a lower end of the operating stick, and the optics module has a light source and an optical sensor. The light source projects light onto the reflecting body and the light is reflected to generate a reflected image into the optical sensor. The operating stick is moved to drive the reflecting body, such that the reflected image into the optical sensor is changed to generate the vector signal.
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