Charging method and device

Details Charging method and device Charging method and device

1999-06-11

2000-12-05

Tso, Edward H.

Electricity: battery or capacitor charging or discharging

Battery or cell charging

Pulsed

H01M 1046

Patent

active

061571725

ABSTRACT:
A start up charger and a method of providing an initial charge for a significantly depleted battery of a cellular phone is described in which the charging switch is cycled to provide a pulsed charge to the battery until said battery is charged to the operational voltage threshold of the cellular telephone controller.

REFERENCES:
patent: 5446364 (1995-08-01), Naskali
patent: 5625274 (1997-04-01), Naskali
patent: 5648711 (1997-07-01), Hakkarainen
patent: 5760568 (1998-06-01), Naskali
patent: 5821735 (1998-10-01), Scharff

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