Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source
Patent
1989-06-30
1991-06-04
Scott, J. R.
Electrical transmission or interconnection systems
Plural supply circuits or sources
Substitute or emergency source
323222, 323272, 323318, 323350, 323351, 364707, G05F 1613, H02J 906
Patent
active
050216791
ABSTRACT:
Disclosed is a power system for use with a computer, the power system having incorporated in it circuitry for automatically varying the supply voltage output to the computer system based upon the magnitude of the current being supplied to the computer by the power system. Also included in the computer system is a variable frequency clock circuit, the frequency of which changes based upon the supply voltage produced by the power system. This permits, during computer system operation where low voltage and low clock speeds will be sufficient to provide the performance needed, achievement of a power saving since both the voltage and frequency at which the system operates is reduced, thereby markedly reducing the power consumption.
REFERENCES:
patent: 3922526 (1975-11-01), Cochran
patent: 4355277 (1982-10-01), Davis et al.
patent: 4435679 (1984-03-01), Bedard et al.
patent: 4502152 (1985-02-01), Sinclair
patent: 4634956 (1987-01-01), Davis et al.
patent: 4890003 (1989-12-01), Seibert et al.
Fairbanks John P.
Yuan Andy C.
Osborn David
Poqet Computer Corporation
Scott J. R.
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