Battery adaptor to facilitate reconditioning in a smart charger

Details Battery adaptor to facilitate reconditioning in a smart charger Battery adaptor to facilitate reconditioning in a smart charger

2005-07-05

2005-07-05

Sparks, Donald (Department: 2187)

Electricity: battery or capacitor charging or discharging

Cell or battery charger structure

For handheld device

C320S107000

Reexamination Certificate

active

06914415

ABSTRACT:
This invention includes an adaptor that facilitates reconditioning and charging of non-smart batteries in smart chargers. The adaptor includes a mechanical and electrical interface to the host-side of a non-smart battery, thereby bypassing any protection diode. The adaptor further includes at least one memory device that identifies the adaptor to a smart charger as an adaptor. Upon insertion, the smart charger reads the memory device in the adaptor begins the reconditioning process. The reconditioning process includes discharging the non-smart battery to a predetermined voltage stored memory device. The smart charger then waits a predefined period and begins charging the non-smart battery, preferably at a constant current. Charging is terminated at a V-peak inflection. Upon completion of charging, the smart charger may trickle charge for a time, and then indicates charge is completed.

REFERENCES:
patent: 3938021 (1976-02-01), Kosmin
patent: 6456037 (2002-09-01), Jakl et al.
patent: 451541 (2001-08-01), None
Motorola Impres Charging System http://www.motorola.com/ies/ESG/impres1.html Jan. 21, 2003.
Cadex Universal Battery Adapters www.cadex.com/prod_smart.ASP www.cadex.com/prod_C7000.ASP www.cadex.com/Download/UBA-specsheet-8-Email.PDF Nov., 2001.

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