Method of detecting external voltage source for disablement of b

Details Method of detecting external voltage source for disablement of b Method of detecting external voltage source for disablement of b

1996-12-26

1998-08-04

Bell, Bruce F.

Chemistry: electrical current producing apparatus, product, and

With control means responsive to battery condition sensing...

429 90, 429 92, 340500, 340501, 340505, 340514, 340517, 340539, 340635, 340636, 340657, 340660, 340661, 340662, 340663, 307112, 307115, 307116, 307130, 307134, 307140, H01M 200

Patent

active

057890986

ABSTRACT:
A portable communication device with battery conservation capability is capable of sensing (223) its power source and suppressing a battery conservation circuit depending on an actual voltage determined (225) from an analog-to-digital converter. Two or more voltage ranges are defined (227) such that battery conservation is disabled when an external power source is operated in one of the predetermined voltage ranges.

REFERENCES:
patent: 4381552 (1983-04-01), Nocilini et al.
patent: 5324990 (1994-06-01), Cunningham
patent: 5565714 (1996-10-01), Cunningham

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