US PATENT SUBCLASS 385 / 19
.~.~ Stationary waveguides with movable opaque element


Current as of: June, 1999
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385 /   HD   OPTICAL WAVEGUIDES

15  DF  WITH OPTICAL COUPLER {8}
16  DF  .~ Switch (i.e., switching from one terminal to another, not modulation) {6}
19.~.~ Stationary waveguides with movable opaque element


DEFINITION

Classification: 385/19

Stationary waveguides with movable opaque element:

(under subclass 16) Subject matter wherein an optically nontransmissive device moving into or out of the optical path between stationary waveguides provides the switching effect.

SEE OR SEARCH THIS CLASS, SUBCLASS:

73, for optical fiber connectors having an optical element between facing optical fiber end faces.

140, for optical waveguide attenuators.

SEE OR SEARCH CLASS

359, Optics: Systems (Including Communication) and Elements,

227+, for light control by moving an opaque element or medium in or through a light path.