US PATENT SUBCLASS 359 / 296
.~.~.~ Changing position or orientation of suspended particles

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

237  DF  OPTICAL MODULATOR {3}
238  DF  .~ Light wave temporal modulation (e.g., frequency, amplitude, etc.) {3}
290  DF  .~.~ By changing physical characteristics (e.g., shape, size or contours) of an optical element {3}
296.~.~.~ Changing position or orientation of suspended particles

DEFINITION

Classification: 359/296

Changing position or orientation of suspended particles:

(under subclass 290) Subject matter wherein the light control surface consists of a group of elongated light absorbing or reflecting particles suspended in a fluid media, which collectively change their orientation within the light path in response to an applied signal.

SEE OR SEARCH THIS CLASS, SUBCLASS:

228, for fluid light control elements.