Overvoltage guard for electronic circuits

Details Overvoltage guard for electronic circuits Overvoltage guard for electronic circuits

1981-08-14

1984-03-27

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

361 91, 361111, H02H 720, H02H 320

Patent

active

044398026

ABSTRACT:
An overvoltage guard for electronic circuits protects the connections from voltage transients which exceed the supply voltage of the circuit. The transients are bypassed to the grounded terminal of the supply voltage source by a thyristor connected between the terminal and the grounded terminal, the gate electrode of the thyristor being connected to the ungrounded terminal via a diode. Between the terminal and the grounded terminal there is conventionally connected a limiting diode.

REFERENCES:
patent: 3449598 (1969-06-01), Wright
patent: 3660724 (1972-05-01), Berger
patent: 3689800 (1972-09-01), Lav et al.
patent: 3790856 (1974-02-01), Hutchinson
patent: 3988695 (1976-10-01), Mattfeld et al.
patent: 4099074 (1978-07-01), Maeda et al.
patent: 4264941 (1981-04-01), London

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