Valve for light pipe

Details Valve for light pipe Valve for light pipe

1999-05-21

2000-12-19

Ullah, Akm E.

Optical waveguides

With optical coupler

Switch

362551, G02B 626

Patent

active

061636355

ABSTRACT:
A valve for a light pipe having a rotatable platen having opaque and transparent parts, said valve including means for receiving and coaxially positioning a source end of a light pipe and a sink end of a light pipe and for alternately positioning the transparent and the opaque parts of the platen between the ends.

REFERENCES:
patent: Re31806 (1985-01-01), Scifres et al.
patent: 4270845 (1981-06-01), Takizawa et al.
patent: 4881110 (1989-11-01), Braatz et al.
patent: 5396304 (1995-03-01), Salerno et al.

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