A method for reducing power consumed by a computer

A low power management system monitors software application programs for keyboard activity so as to turn off the microprocessor in the computer in response to a loop (10,16) looking for a keypress and certain other loops which can be monitored without use of the microprocessor. A low power managemen...

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Bibliographische Detailangaben
Hauptverfasser:	CULLIMORE, IAN H.S, HARPER, LEROY D, HOOKS, DOUGLAS A, STONE, RODERICK W, SCHLICHTING, GRAYSON C, FAIRBANKS, JOHN P, BRADSHAW, GAVIN, A, BANERJEE, BISWA R
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CALCULATING CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION ANDCOMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION ANDCOMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THIR OWNENERGY USE COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS PHYSICS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	A low power management system monitors software application programs for keyboard activity so as to turn off the microprocessor in the computer in response to a loop (10,16) looking for a keypress and certain other loops which can be monitored without use of the microprocessor. A low power management system including both hardware (Figure 2) and software (Figure 5) is provided for a battery powered portable computer (not shown). The low power management system powers down various sections (10,12,16,21,24) of the computer (DMA, VCO, DISPLAY, UART) when they are not used. The low power management system is controlled by a control program directing the microprocessor (40) (Figure 2) of the computer, and includes the capability to turn off clock signals (not shown) to the various sections of the computer based upon demand. Also included is the capability to turn on clock signals based upon demand. The low power management system also includes the capability to turn on the computer upon a press of a key on the computer keyboard.