Universally interchangeable and modular power supply with integr

Details Universally interchangeable and modular power supply with integr Universally interchangeable and modular power supply with integr

1997-07-14

1998-12-08

Tso, Edward H.

Electricity: battery or capacitor charging or discharging

Cell or battery charger structure

Having plug for a-c receptacle

320113, H01M 1046

Patent

active

058475419

ABSTRACT:
An integrated power supply and battery charger with interchangeable and collapsible plug capacity capable of simultaneously powering an electrical device while charging a rechargeable battery. Preferably, the power supply further comprises apparatus for facilitating use of the electrical device. In embodiments configured for use with a portable telephone, speaker phone apparatus or a separate headset may be provided to allow convenient use of the telephone while it is being powered by the invention.

REFERENCES:
patent: 4684870 (1987-08-01), George et al.
patent: 5587645 (1996-12-01), Sciammarella et al.
patent: 5629602 (1997-05-01), Makino
patent: 5648712 (1997-07-01), Hahn

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