1 results about "Optical mouse" patented technology
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An optical mouse is a computer mouse which uses a light source, typically a light-emitting diode (LED), and a light detector, such as an array of photodiodes, to detect movement relative to a surface. Variations of the optical mouse have largely replaced the older mechanical mouse design, which uses moving parts to sense motion.
A light guide module of optical mouse is disclosed. The light guide module comprises a LED die within a light guide input of light guide means. The light guide input comprises an internal paraboloid. Light emitted by the LED die and parallel reflected from the paraboloid is impinged on a light guide output.