US PATENT SUBCLASS 359 / 253
.~.~.~.~.~.~ Liquid medium

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}
240  DF  .~.~ Changing bulk optical parameter {5}
245  DF  .~.~.~ Electro-optic {11}
246  DF  .~.~.~.~ Modulation of polarized light via modulating input signal {10}
252  DF  .~.~.~.~.~ With particular medium or state of the medium {1}
253.~.~.~.~.~.~ Liquid medium

DEFINITION

Classification: 359/253

Liquid medium:

(under subclass 252) Subject matter wherein the medium is in a nongaseous fluid state.

SEE OR SEARCH THIS CLASS, SUBCLASS:

36+, for similar structures using liquid crystals for the medium.