Adapter for external battery and battery system

Details Adapter for external battery and battery system Adapter for external battery and battery system

1991-07-24

1993-04-06

Stephan, Steven L.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

307 66, H02J 700

Patent

active

052006859

ABSTRACT:
An adapter for selectively connecting an external battery which is used as a power source of a portable notebook type computer to the computer or to a charger, and an external battery system for controlling the connection between the adapter, the computer and the charger. The external battery is connectable to the adapter, and the adapter is connected to either the charger or the computer. A diode for selectively regulating either the direction for charging the external battery or the direction for introducing the power from the external battery is provided within the adapter. The adapter, the charger and the computer are selectively connected with each other by a common cable.

REFERENCES:
patent: 4315162 (1982-02-01), Ferguson
patent: 4431245 (1984-02-01), Jigamian et al.
patent: 4490667 (1984-12-01), Mullersman
patent: 4709201 (1987-11-01), Schaefer et al.
patent: 4922178 (1990-05-01), Matuszewski et al.
patent: 4965462 (1990-10-01), Crawford
Panasonic, "Operating Instructions for a Plug-In AC Adaptor", May, 1982.
Sony, "DC Pack/Battery Charger (DCP-80)", 1984.
Canon, "Accessories That Match Your Video System to Your Shooting Style", 1987.

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