Electronically switchable power source

Details Electronically switchable power source Electronically switchable power source

1984-10-25

1987-05-12

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Plural supply circuits or sources

Diverse or unlike electrical characteristics

307 86, 363 60, 363 61, 363142, 363143, 323300, H02J 304, H02M 700

Patent

active

046653236

ABSTRACT:
A DC power source is capable of automatically adapting to either a 120 or 240 VAC input and of providing a single regulated output range for either of the AC voltage levels provided thereto. The power source detects the AC input voltage and automatically doubles the lower voltage while allowing the higher rectified voltage to pass through. The power source includes an electronic switching arrangement responsive to the input voltage level for automatically doubling the lower AC input voltage when detected as well as timing circuitry to allow for transitory fluctuations in the input voltage level while maintaining a level DC output voltage.

REFERENCES:
patent: 3737758 (1973-06-01), Allington
patent: 3737761 (1973-06-01), Walther
patent: 3815009 (1974-06-01), Berger
patent: 3851182 (1974-11-01), Wallace
patent: 3962591 (1976-06-01), Popka
patent: 4167777 (1979-09-01), Allington
patent: 4268899 (1981-05-01), Rokas
patent: 4315305 (1982-02-01), Siemon
patent: 4380730 (1983-04-01), Morton
patent: 4415964 (1983-11-01), Scharfe
patent: 4437146 (1984-03-01), Carpenter
"Design Ideas" by EDN (Jan. 21, 1981) vol. 26, No. 2.
IBM Technical Disclosure Bulletin, vol. 27, No. 10B Mar. 1985, p. 6214.
IBM Technical Disclosure Bulletin, vol. 23, No. 1, Jun. 1980, p. 46.

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