Power supply device

Details Power supply device Power supply device

1983-06-20

1984-10-09

Wong, Peter S.

Electricity: power supply or regulation systems

Self-regulating

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

323316, 323901, G05F 320

Patent

active

044764286

ABSTRACT:
A power supply device for use in a superminiature tape recorder is disclosed. The device comprises a reference voltage generator circuit for generating an output therefrom in response to a reference voltage, a constant-current circuit for generating a constant current to obtain the reference voltage, a starting circuit for supplying a starting current to the constant current circuit and for branching a part of the starting current, and an electronic switch for causing flow of starting current therein so as to turn the constant-current circuit OFF.

REFERENCES:
patent: 3671770 (1972-06-01), Frederiksen
patent: 3787757 (1974-01-01), Sheng
patent: 3943380 (1976-03-01), Morgan et al.
patent: 3984761 (1976-10-01), Edington et al.
patent: 4029974 (1977-06-01), Brokaw
patent: 4051392 (1977-09-01), Rosenthal et al.

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