US PATENT SUBCLASS 349 / 49
.~.~.~ Two terminal nonlinear switching device (e.g., N-I-N, S-I-S, Ferroelectric, etc.)

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}
41  DF  .~.~ With particular switching device {2}
49.~.~.~ Two terminal nonlinear switching device (e.g., N-I-N, S-I-S, Ferroelectric, etc.) {3}
50  DF  .~.~.~.~> Diode
51  DF  .~.~.~.~> Metal-insulator-metal (i.e., MIM) {1}
53  DF  .~.~.~.~> Varistor

DEFINITION

Classification: 349/49

Two terminal nonlinear switching device (e.g., N-I-N, S-I-S, Ferroelectric, etc.):

(under subclass 41) Subject matter wherein the switching device comprises a two-terminal element.