System and method for regulating a load by utilizing pulse...

Details System and method for regulating a load by utilizing pulse... System and method for regulating a load by utilizing pulse...

2007-10-16

2007-10-16

Leykin, Rita (Department: 2837)

Electricity: motor control systems

Closed loop speed control system for dc motor with commutator

Field control, or field and armature control, by analog...

C388S803000, C361S688000, C361S689000

Reexamination Certificate

active

11280216

ABSTRACT:
The invention is directed to a system and method for regulating a load (such as a CPU). A pulse-width-modulation (PWM) regulator calculates the duty cycle of the control pulse from a PWM controller, and then compares the duty cycle to a predetermined threshold. Thereafter, the PWM regulator regulates working conditions, such as clock frequency, supplied voltage, or fan spin speed, based on the above comparison.

REFERENCES:
patent: 5916313 (1999-06-01), Brown
patent: 6714891 (2004-03-01), Dendinger
patent: 6949823 (2005-09-01), Schott et al.
patent: 6963175 (2005-11-01), Archenhold et al.
patent: 2005/0127881 (2005-06-01), Sase et al.
patent: 2005/0174737 (2005-08-01), Meir
patent: 2006/0013571 (2006-01-01), Squibb

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