Low-power battery pack with hall-effect sensor

Details Low-power battery pack with hall-effect sensor Low-power battery pack with hall-effect sensor

2006-06-14

2008-08-19

Nguyen, Ha (Department: 2829)

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Magnetic saturation

C324S11700H, C324S120000

Reexamination Certificate

active

07414389

ABSTRACT:
Some embodiments of a method and apparatus to facilitate battery management using a hall-effect sensor. The apparatus includes a hall-effect sensor and a battery management unit. The hall-effect sensor is disposed near the electrical transmission line to detect an amount of current flowing through the electrical transmission line. The current originates from a direct current power source coupled to the transmission line. The power source management unit is coupled to the hall-effect sensor to process a sensor signal from the hall-effect sensor. The power source management unit also determines the amount of current flowing through the electrical transmission line. Other embodiments are described.

REFERENCES:
patent: 5041780 (1991-08-01), Rippel
patent: 6104967 (2000-08-01), Hagen et al.
patent: 2005/0093549 (2005-05-01), Kim
patent: 2005/0231355 (2005-10-01), Hair et al.

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