US PATENT SUBCLASS 345 / 111
.~.~.~ With a permanent magnet placed on movable display elements


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}
108  DF  .~.~ Plural mechanically movable display elements {3}
111.~.~.~ With a permanent magnet placed on movable display elements


DEFINITION

Classification: 345/111

With permanent magnet placed on movable display elements:

(under subclass 108) Subject matter wherein the display elements* include a permanent magnet material which is influenced by application of a magnetic field so as to selectively move or rotate the display elements*.

SEE OR SEARCH CLASS

335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets, appropriate subclasses for permanent magnet, per se.