US PATENT SUBCLASS 359 / 297
.~.~.~ Light control surface formed or destroyed

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}
297.~.~.~ Light control surface formed or destroyed

DEFINITION

Classification: 359/297

Light control surface formed or destroyed:

(under subclass 290) Subject matter wherein a light property is controlled by creating or destroying a light absorbing or reflecting surface or interface in response to a modulating signal.