Light-emitting diode indicator circuit

Details Light-emitting diode indicator circuit Light-emitting diode indicator circuit

1987-03-23

1988-07-26

Orsino, Joseph A.

Communications: electrical

Condition responsive indicating system

Specific condition

340691, 335 17, 337 79, G08B 2100

Patent

active

047603844

ABSTRACT:
An indicator circuit used primarily, but not exclusively, within a conventional circuit breaker. The indicator circuit consists of a light-emitting diode and a capacitor connected in series and provided on the neutral line of the circuit breaker. The circuit is connected in series with the main breaker switch and the light-emitting diode is energized when the circuit breaker is in the ON position. Alternatively, this indicator circuit can be used to determine the operational status of various load devices.

REFERENCES:
patent: 3452347 (1969-06-01), Stimson
patent: 4652867 (1987-03-01), Masot

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