Light pipe for an optical mouse

Details Light pipe for an optical mouse Light pipe for an optical mouse

1985-09-06

1987-12-29

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250221, 350 9625, 340710, G09G 100, H01J 516

Patent

active

047162872

ABSTRACT:
A light pipe for use in an optical mouse comprises a block of light transmitting fibers comprising a plurality of parallel light transmissive regular polygonal fiber cores each surrounded by light transmissive cladding having a lower index of refraction than the core. The ratio of the width of the core to the thickness of the cladding ranges from 4 to 24.

REFERENCES:
patent: 3279903 (1966-10-01), Siegmund
patent: 4521772 (1985-06-01), Lyon

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