US PATENT SUBCLASS 349 / 19
PARTICULAR EXCITATION OF LIQUID CRYSTAL

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

19PARTICULAR EXCITATION OF LIQUID CRYSTAL {6}
20  DF  .~> Thermal excitation {2}
23  DF  .~> Magnetic or pressure excitation
24  DF  .~> Optical excitation {1}
31  DF  .~> Electron beam excitation
32  DF  .~> Plasma excitation
33  DF  .~> Electrical excitation of liquid crystal (i.e., particular voltage pulses, AC vs. DC, threshold voltages, etc.) {8}

DEFINITION

Classification: 349/19

PARTICULAR EXCITATION OF LIQUID CRYSTAL:

(under the class definition) Subject matter wherein a change in a liquid crystal optical property is exhibited in response to the active application of an external stimulus.