US PATENT SUBCLASS 359 / 299
.~.~ Opto-optical device

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

237  DF  OPTICAL MODULATOR {3}
298  DF  .~ Light wave directional modulation (e.g., deflection or scanning is representative of the modulating signal) {5}
299.~.~ Opto-optical device

DEFINITION

Classification: 359/299

Opto-optical device:

(under subclass 298) Subject matter wherein the directional modulation is achieved by an externally applied modulating light wave.