Varying the supply voltage in response to the current supplied t

Details Varying the supply voltage in response to the current supplied t Varying the supply voltage in response to the current supplied t

1992-07-07

1994-04-26

Sterrett, J. L.

Electricity: power supply or regulation systems

In shunt with source or load

Using choke and switch across source

323284, G05F 1613

Patent

active

053070038

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: 4253055 (1981-02-01), Gatten
patent: 4355277 (1982-10-01), Davis et al.
patent: 4580090 (1986-04-01), Bailey et al.
patent: 4634956 (1987-01-01), Davis et al.
patent: 4885674 (1989-12-01), Varga et al.
patent: 5021679 (1991-06-01), Fairbanks et al.
patent: 5073850 (1991-12-01), Pace
patent: 5138249 (1992-08-01), Capel
patent: 5153535 (1992-10-01), Fairbanks et al.

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