US PATENT SUBCLASS 361 / 11
.~.~.~ Nonlinear impedance

Current as of: June, 1999
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361 /   HD   ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES

1  DF  SAFETY AND PROTECTION OF SYSTEMS AND DEVICES {32}
2  DF  .~ Arc suppression at switching point (i.e., includes solid-state switch) {4}
10  DF  .~.~ By inserting series impedance {2}
11.~.~.~ Nonlinear impedance

DEFINITION

Classification: 361/11

Nonlinear impedance:

(under subclass 10) Subject matter with means to insert a nonlinear impedance (inductors, capacitors, thermistors, etc.) in series with the main switching points to suppress the arc causing surge.