Intelligent battery power system

Details Intelligent battery power system Intelligent battery power system

1996-08-05

1998-10-20

Chea, Thorl

Electrical transmission or interconnection systems

Plural supply circuits or sources

Substitute or emergency source

307 64, 307 65, 307 86, 307150, 364707, 39575008, H02J 906, G03F 100

Patent

active

058251006

ABSTRACT:
An intelligent battery power system having a main battery and a swap battery including a battery presence detector for detecting whether the main battery is present and a power controller for operating the system in a suspend mode and applying power from the swap battery in a suspend mode when the battery presence detector detects that the main battery has been removed and for interrupting the power from the swap battery with power supplied from the main battery to operate the system in a resume mode when the battery presence detector detects that the main battery is present. The system prevents volatile data from being lost when the battery for a portable computer is removed or becomes detached for any reason.

REFERENCES:
patent: 5021983 (1991-06-01), Nguyen
patent: 5184025 (1993-02-01), McCurry et al.
patent: 5300874 (1994-04-01), Shimamoto et al.
patent: 5316868 (1994-05-01), Dougherty et al.
patent: 5553294 (1996-09-01), Nanno et al.

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