US PATENT SUBCLASS 327 / 385
.~.~.~ Contact bounce from mechanical switch

Current as of: June, 1999
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327 /   HD   MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS

365  DF  GATING (I.E., SWITCHING INPUT TO OUTPUT) {12}
379  DF  .~ Signal transmission integrity or spurious noise override {7}
384  DF  .~.~ Switch noise signal {1}
385.~.~.~ Contact bounce from mechanical switch {1}
386  DF  .~.~.~.~> With clock input

DEFINITION

Classification: 327/385

Contact bounce from mechanical switch:

(under subclass 384) Subject matter wherein an electromechanically induced switching noise (i.e., chatter) is offset.

SEE OR SEARCH CLASS

178, Telegraphy,

17, 81, and 101+ for systems including error prevention against contact bounce signals resulting from a key or keyboard operation.

341, Coded Data Generation or Conversion,

24+, for keyboard or keypad with contact debounce or antichatter feature.

361, Electricity: Electrical Systems and Devices, appropriate subclasses for protection from power or voltage surges.