Control circuit for holding constant the operating voltage of an

Electricity: power supply or regulation systems – Input level responsive – Phase controlled switching using electronic tube or a three...

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323242, 323288, 363 85, G05F 500

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active

045047774

ABSTRACT:
A control circuit for supplying a relatively constant operating voltage to an electrical load over a relatively wide range of supply line voltages, including an electronic switch connected in series with the electrical load and having a control lead, a reference voltage generating element, and a comparator for receiving the reference voltage and a voltage representative of the actual voltage applied to the electrical load and for generating and electrical signal which is applied to the control lead of the electronic switch.

REFERENCES:
patent: 3241044 (1966-03-01), Mills
patent: 3353082 (1967-11-01), Mellott et al.
patent: 3412314 (1968-11-01), Crane
patent: 3497794 (1970-02-01), Fredrickson et al.
patent: 3733535 (1973-05-01), Ballman
patent: 3783367 (1974-01-01), Yamamoto et al.
"Controlled Rectifiers in Stabilized Power Supplies", Wireless World, Oct. 1963, F. Butler, pp. 3452-3457.
Publication of E. Flamig and W. Witke of Dresden, entitled "Eigenschaften von Thyristorstellgliedern", pp. 695 & 696.

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