DC power supply having bipolar outputs

Details DC power supply having bipolar outputs DC power supply having bipolar outputs

1990-04-04

1991-01-01

Wong, Peter S.

Electric power conversion systems

Current conversion

With means to selectively provide d.c. of either polarity

363126, 323231, 307 17, H02M 702

Patent

active

049823183

ABSTRACT:
A DC power supply which is adapted to produce a DC main voltage between a main output terminal provided at one end of a first line and a ground terminal provided at one end of a second line; the power supply being characterized in that there is disposed a constant-voltage-drop means between the second line and the ground terminal; a third line extends from the second line side of the constant voltage drop means; and also an inverse polarity side output terminal is disposed at one end thereof so that an inverse polarity DC side voltage is adapted to be outputted between the inverse polarity side output terminal and the ground terminal, whereby main and side output voltage having opposite polarities can be produced through a simple construction.

REFERENCES:
patent: 3660672 (1972-05-01), Berger et al.
patent: 3723850 (1973-03-01), Daniels et al.
patent: 4333046 (1982-06-01), Lee
patent: 4591728 (1986-05-01), Kruger et al.
patent: 4626697 (1986-12-01), Nelson
patent: 4760324 (1988-07-01), Underhill
Smith, "Simple Supply" New Electronics, vol. 12, No. 6, 20 Mar. 1979, p. 20.

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