US PATENT SUBCLASS 361 / 60
.~.~ With differential voltage comparison across the circuit interrupting means

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}
59  DF  .~ Circuit automatically reconnected only after the fault is cleared {2}
60.~.~ With differential voltage comparison across the circuit interrupting means

DEFINITION

Classification: 361/60

With differential voltage comparison across the circuit interrupting means:

(under subclass 59) Subject matter wherein the voltage across the circuit disconnect means is sensed on both sides of the disconnect means and compared to determine if the fault has been removed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

86, for voltage quantity comparison circuits.