US PATENT SUBCLASS 345 / 91
.~.~.~.~.~ Diode or varistor

Current as of: June, 1999
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345 /   HD   COMPUTER GRAPHICS PROCESSING, OPERATOR INTERFACE PROCESSING, AND SELECTIVE VISUAL DISPLAY SYSTEMS

30  DF  PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) {4}
55  DF  .~ Display elements arranged in matrix (e.g., rows and columns) {10}
84  DF  .~.~ Light-controlling display elements {6}
87  DF  .~.~.~ Liquid crystal display elements (LCD) {9}
90  DF  .~.~.~.~ Control means at each display element {3}
91.~.~.~.~.~ Diode or varistor

DEFINITION

Classification: 345/91

Diode or varistor:

(under subclass 90) Subject matter wherein the switching means includes a diode or varistor connected to a display element* for controlling light passage.

SEE OR SEARCH CLASS

257, Active Solid-State Devices (e.g., Transistors, Solid-State Diodes), appropriate subclasses for diode structure.