US PATENT SUBCLASS 349 / 37
.~.~ Polarity based driving


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



349 /   HD   LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS

19  DF  PARTICULAR EXCITATION OF LIQUID CRYSTAL {6}
33  DF  .~ Electrical excitation of liquid crystal (i.e., particular voltage pulses, AC vs. DC, threshold voltages, etc.) {8}
37.~.~ Polarity based driving


DEFINITION

Classification: 349/37

Polarity based driving:

(under subclass 33) Subject matter wherein the liquid crystal state is determined by the polarity of the voltage applied to the liquid crystal.