Optical mouse light emitter

Details Optical mouse light emitter Optical mouse light emitter

2005-01-12

2009-11-10

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

C345S156000, C345S163000

Reexamination Certificate

active

07616189

ABSTRACT:
An optical mouse light emitter has a transparent body, a divergent light-emitting component and a disc reflective structure. The transparent body has a front end surface and a lateral circular surface. The light-emitting component is built in the transparent body. The disc reflective structure is built on the lateral circular surface. The disc reflective structure has an internal surface. The light emitted from the light-emitting component through the front end surface of the transparent body forms a light collection area. The light emitted from the light-emitting component to the internal surface of the disc reflective structure is reflected by the internal surface to form an axial parallel light and focused at the light collection area for reducing the light interference and enhancing the illumination so as to improve the light sensing effect of the optical mouse, lower its cost and reduce its electric power consumption.

REFERENCES:
patent: 2004/0212593 (2004-10-01), Wang et al.
patent: 2005/0007346 (2005-01-01), Ma et al.
patent: 2005/0100288 (2005-05-01), Chu

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