US PATENT SUBCLASS 359 / 319
.~.~.~ Focusing

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}
315  DF  .~.~ Electro-optic {5}
319.~.~.~ Focusing

DEFINITION

Classification: 359/319

Focusing:

(under subclass 315) Subject matter wherein light beam focusing is achieved by the application of the electrical signal to a device through which the beam transits.