US PATENT SUBCLASS 349 / 36
.~.~ Including diverse driving frequencies


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}
36.~.~ Including diverse driving frequencies


DEFINITION

Classification: 349/36

Including diverse driving frequencies:

(under subclass 33) Subject matter wherein the applied voltage has two or more frequencies.

(1) Note. Included herein are different frequencies for changing the sign of the dielectric anisotropy of the liquid crystal material.