Break display apparatus for semiconductor switching element inco

Details Break display apparatus for semiconductor switching element inco Break display apparatus for semiconductor switching element inco

1998-08-24

1999-08-10

Medley, Sally C.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

361103, 34082516, H02H 300

Patent

active

059368195

ABSTRACT:
A break display apparatus for an intelligent power IC incorporating an overcurrent/overheating protection function. The break display apparatus includes a plurality of intelligent power ICs each incorporating an overcurrent/overheating protection function of detecting overcurrent/overheating for a load to break it, a pulse generating unit connected to the plurality of intelligent power ICs for generating a pulse signal having the number of pulses corresponding to a broken intelligent power IC as a signal for specifying the broken intelligent power IC on the basis of a break signal from the broken intelligent power IC, and a warning lamp for indicating the visual information of the broken intelligent power IC in response to the pulse signal generated by the pulse generating unit.

REFERENCES:
patent: 3689887 (1972-09-01), La Falce et al.
patent: 4498075 (1985-02-01), Gaudio

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