Electronic circuit device

Details Electronic circuit device Electronic circuit device

1997-08-01

1999-03-02

Medley, Sally C.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific voltage responsive fault sensor

307 31, 307 36, H02H 320

Patent

active

058779280

ABSTRACT:
First and second terminals between which a predetermined source voltage is applied and between which are connected, a plurality of electronic circuit blocks connected in series, and a plurality of semiconductor devices which are turned on when voltages exceeding predetermined threshold voltages thereof are applied thereto. The sum of threshold voltages of the plurality of semiconductor devices is higher than the source voltage. The semiconductor devices are forward-connected in series between the first terminal and the second terminal, wherein connection points among the plurality of electronic circuit blocks connected in series are connected to selected connection points among the plurality of semiconductor devices connected in series so that at least one of the semiconductor devices is connected in parallel in respective one of the plurality of electronic circuit blocks.

REFERENCES:
patent: 5703790 (1997-12-01), Farwell

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