Portable computer with time-sensitive tri-modal power management

Details Portable computer with time-sensitive tri-modal power management Portable computer with time-sensitive tri-modal power management

1994-12-20

1999-11-16

Harrell, Robert B.

Electrical computers and digital processing systems: support

Computer power control

G06F 1300

Patent

active

059876131

ABSTRACT:
A portable computer in which a single switch is positioned to be closed when the case is closed, and also to be readily operable by the user's finger. Software polls the switch. If the switch is briefly depressed, the software detects that the user is requesting entry into standby mode, and accordingly powers down certain input/output functions until new stimulus is received. If the switch is held down for a long time by the user closing the case cover, or manually holding the button down for a long time, the software causes the system to enter sleep mode (its lowest power mode).

REFERENCES:
patent: 4980836 (1990-12-01), Carter et al.

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