Power supply circuit

Details Power supply circuit Power supply circuit

1982-06-22

1984-07-10

Wong, Peter S.

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

323267, 323349, G05F 148

Patent

active

044595387

ABSTRACT:
A power supply circuit which comprises a first power source terminal for applying a plus voltage and a second power source terminal for applying a minus voltage. A first transistor is inserted between the first power source terminal and a load. A second transistor is inserted between a base of the first transistor and a ground potential and is controlled by the voltages applied to the first and second power source terminals. A capacitor is connected to the second power source and ground potential. A sequence of applying or cutting-off voltages to be applied to the load is predetermined even when a sequence of applying or cutting-off the voltages from said first and second power source terminals becomes erratic.

REFERENCES:
patent: 3588675 (1971-06-01), Suzuki
patent: 3983473 (1976-09-01), Sanderson
patent: 4325021 (1982-04-01), McMackin

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