Power supply circuit

Details Power supply circuit Power supply circuit

1974-07-17

1976-07-20

Griffin, Robert L.

Telegraphy

Systems

Simplex-reversing periodic

178DIG11, 178 75R, H04N 544

Patent

active

039707792

ABSTRACT:
In a power supply circuit for supplying stabilized relatively low DC voltages to at least first and second load circuits as operating power voltages for the latter without the use of a power transformer, and in which the first and second load circuits are connected in series to each other across a DC voltage source supplying a relatively high DC voltage for dividing the latter between the first and second load circuits in accordance with their respective impedances; an additional DC voltage souce is connected between both load circuits to produce an additional DC voltage varying in response to variations in the voltage applied across the first load circuit, for example, as a result of variations in the impedance of the latter, and to apply the additional DC voltage to the second load circuit so as to compensate for the variations in the voltage applied across said second load circuit as a result of the variations in the voltage applied across the first load circuit, thereby to stabilize the relatively low DC voltages applied to both load circuits.

REFERENCES:
patent: 3519741 (1970-07-01), Knight
patent: 3641267 (1972-02-01), Cavallari
patent: 3737572 (1973-06-01), Frizane et al.
patent: 3742242 (1973-06-01), Morio et al.
patent: 3745246 (1973-07-01), Kashiwagi
patent: 3752903 (1973-08-01), Newman et al.
patent: 3828123 (1974-08-01), Sato
patent: 3872371 (1975-03-01), Williams

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