US PATENT SUBCLASS 359 / 230
.~ Electro-mechanical

Current as of: June, 1999
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359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

227  DF  LIGHT CONTROL BY OPAQUE ELEMENT OR MEDIUM MOVABLE IN OR THROUGH LIGHT PATH {6}
230.~ Electro-mechanical {1}
231  DF  .~.~> String or ribbon type

DEFINITION

Classification: 359/230

Electro-mechanical:

(under subclass 227) Subject matter wherein electrical energy is used to control the movement of the light controlling element.

(1) Note. This includes solenoid and tuning fork structures and electrostatic type effects.

SEE OR SEARCH THIS CLASS, SUBCLASS:

228, for electro-mechanically controlled light control systems using a liquid.