Device for causing electronic apparatus to use a selectively mou

Details Device for causing electronic apparatus to use a selectively mou Device for causing electronic apparatus to use a selectively mou

1995-09-26

1997-08-26

Wong, Peter S.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

429 96, H02J 700, H01M 210

Patent

active

056613920

ABSTRACT:
A device, which is adapted to be connected to an electronic apparatus, is capable of having a non-rechargeable battery pack or a rechargeable battery pack connected thereto. The battery packs supply a driving voltage to the electronic apparatus when connected to the device. The device can have an external power source attached thereto for energizing the electronic apparatus by a DC voltage, for disabling the driving voltage supplied by the battery packs and for supplying a charging voltage to the device and to the rechargeable battery pack. The device automatically discriminates between the rechargeable battery pack and the non-rechargeable battery pack so that the charging voltage from the external power source is only applied to the rechargeable battery pack and not to the non-rechargeable battery pack.
The rechargeable battery pack includes a casing having a positive electrode and a negative electrode mounted thereon and a non-conductive insulating member which is connected to the casing. The insulating member extends outwardly from the casing a predetermined distance such that when the rechargeable battery pack is placed on a surface, the insulating member contacts the surface and prevents the electrodes from contacting the surface. A gap is provided between the electrodes on the rechargeable battery pack in which the non-conductive insulating member is provided.

REFERENCES:
patent: 3763434 (1973-10-01), Blesch et al.
patent: 4140957 (1979-02-01), Rapp

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