Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Test circuit for verifying operation of an arc fault detector

Test circuit for verifying operation of an arc fault detector

US Patent 5969920 · Granted Oct 19, 1999

Estimated economic value: $4,288,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Plug-in multifunction tester for AC electrical distribution system2000
Circuit breaker responsive to repeated in-rush currents produced by a sputtering2000
Ground fault electrical switching apparatus for coordinating tripping with a dow1999
Low cost apparatus for detecting arcing faults and circuit breaker incorporating1999
Circuit breaker responsive to repeated in-rush currents produced by a sputtering1999
Apparatus for envelope detection of low current arcs1998
Arc fault detector with limiting of sensed signal to shape response characterist1998
Arcing fault detector with multiple channel sensing and circuit breaker incorpor1998
Apparatus for detecting and responding to series arcs in AC electrical systems1998
Low cost apparatus for detecting arcing faults and circuit breaker incorporating1997
Motor starter with dual-slope integrator1996
Circuit interrupter with cause for trip indication1996