Overload detector and protection circuit

Details Overload detector and protection circuit Overload detector and protection circuit

1989-07-31

1990-10-23

DeBoer, Todd E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Voltage regulator protective circuits

361 75, 363 55, H02H 7122

Patent

active

049656929

ABSTRACT:
An overload protection circuit for power supplies and telecommunications apparatus such as multifrequency ringing generators causes the output voltage to become zero when a current overload is detected. The voltage is kept at zero for a predetermined period of time. Then the output voltage is restored. If an overload is still detected, the output voltage is again brought to zero.

REFERENCES:
patent: 4254305 (1981-03-01), Treiber
patent: 4288831 (1981-09-01), Dolikian
patent: 4438473 (1984-03-01), Cawley et al.
patent: 4476427 (1984-10-01), Kaneko et al.
patent: 4656659 (1987-04-01), Chea, Jr.
patent: 4878034 (1989-10-01), Grogg et al.

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