US PATENT SUBCLASS 349 / 194
.~ Passive liquid crystal polarizer

Current as of: June, 1999
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349 /   HD   LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS

193  DF  LIQUID CRYSTAL OPTICAL ELEMENT {21}
194.~ Passive liquid crystal polarizer

DEFINITION

Classification: 349/194

Passive liquid crystal polarizer:

(under subclass 193) Subject matter wherein liquid crystal material of a liquid crystal cell varies the polarization of incident light rays without application of excitation.