Battery charger with detachable mechanical adapters and fold-out

Details Battery charger with detachable mechanical adapters and fold-out Battery charger with detachable mechanical adapters and fold-out

1999-08-04

2000-12-12

Wong, Peter S.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With individual charging of plural batteries or cells

320113, H02J 700

Patent

active

061603783

ABSTRACT:
A battery charger utilizes detachable mechanical adapters, so that the battery charger can operate as a single battery charger or a dual battery charger. The detachable mechanical adapters are battery holders to connect a battery to the battery charger for recharging. Preferably, the battery charger is designed to charge one or two depleted notebook batteries. In the preferred embodiment, the battery charger also operates as an AC/DC converter to provide operating DC from AC, which is derived from AC received from an external source, to a notebook computer that is coupled to the battery charger. The battery charger includes an AC/DC adapter and a charging unit. The charging unit of the battery charger includes a central module and two detachable mechanical adapters. The central module of the charging unit contains battery-charging circuitry that provides the charging current from the received DC to the detachable mechanical adapters. The charging current is used to recharge any notebook batteries that are held by the detachable mechanical adapters. The central module includes two fold-out connectors that can be utilized to physically attach one or both mechanical adapters to the central module. In a first embodiment, the battery compartments of the mechanical adapters are designed to hold a particular type of notebook batteries having a fixed thickness. In a second embodiment, the battery compartments of the mechanical adapters are designed to hold one of two types of notebook batteries having different thicknesses.

REFERENCES:
patent: 4403182 (1983-09-01), Yeh
patent: 5039929 (1991-08-01), Veistroffer et al.
patent: 5200685 (1993-04-01), Sakamoto
patent: 5420493 (1995-05-01), Hargadon et al.
patent: 5717309 (1998-02-01), Cho
patent: 5742149 (1998-04-01), Simpson
patent: 5783927 (1998-07-01), Chen
patent: 5801513 (1998-09-01), Smith et al.

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