H - Electricity – 02 – J
Patent
H - Electricity
02
J
H02J 7/00 (2006.01)
Patent
CA 2313265
A battery recharging system and method are provided that include a rechargeable battery coupled to a recharging circuit. A recharging operation performed by the recharging circuit is controlled by a temperature measuring system, which is both electrically and thermally coupled to a contact engaging a terminal of the rechargeable battery. The temperature measuring system includes a contact temperature sensor and determination circuit, an ambient temperature sensor and determination circuit, a processing unit, and a threshold value unit. The determination circuits output first and second signals to the processing unit. The processing unit determines a difference value between these signals and compares the difference value to a threshold value from the threshold value unit. Based on this comparison, the processing unit sends control signals to the recharging circuit to control the recharging operation.
Research In Motion Limited
Sim & Mcburney
LandOfFree
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