Light triggered light switch

Details Light triggered light switch Light triggered light switch

2006-07-04

2006-07-04

Healy, Brian M. (Department: 2883)

Optical waveguides

With optical coupler

C385S016000, C385S013000, C385S043000, C385S901000, C385S014000

Reexamination Certificate

active

07072536

ABSTRACT:
A light switch is disclosed to turn on or off the light signal in a light channel by means of the response of piezoelectric material to the electric field of light in the light channel. The LIGHT TRIGGERED LIGHT SWITCH is a light switch that is actuated by light of sufficient power. Light of different frequencies may travel in a light channel together without hindering each other, as long as the channel is the right size for both frequencies of light. The light that actuates the switch may be a different frequency than the light signal that is switched on or off. Fiber optic communication channels are among the channels that these switches may be used for.

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patent: 2004/0037708 (2004-02-01), Murasato et al.
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