Method and apparatus for providing energy to an information hand

Details Method and apparatus for providing energy to an information hand Method and apparatus for providing energy to an information hand

1992-12-09

1995-07-25

Young, Brian K.

Electrical transmission or interconnection systems

Plural supply circuits or sources

Series-parallel connection of sources

307 66, H02J 700

Patent

active

054365139

ABSTRACT:
An information handling system is described having a power supply (16) having a switching circuit (24) that switches a plurality of energy sources (20) and (22) between series and parallel couplings. Associated with the switching circuit (24) is a voltage level detecting circuit (18) for monitoring the voltage level of the energy sources (20) and (22). A processor (12) for controlling the information handling system (10) responds to the voltage level detecting circuit (18) and in the event of a low voltage condition, the processor (12) activates the switching circuit (24) to switch the energy sources (20) and (22) from a series to a parallel coupling. Alternatively, processor (12) responds to other inputs or conditions for actuating switching circuit (24).

REFERENCES:
patent: 3871383 (1975-03-01), Lee
patent: 4143283 (1979-03-01), Graf et al.
patent: 4322807 (1982-03-01), Chamran et al.

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