Current detection apparatus for a car power source

Details Current detection apparatus for a car power source Current detection apparatus for a car power source

2008-03-13

2010-10-12

Tso, Edward (Department: 2858)

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

With charging

Reexamination Certificate

active

07812570

ABSTRACT:
A current detection apparatus includes a current detection section that detects charging current and discharging current of the car driving battery, a level-shift circuit connected to the output-side of the current detection section that shifts the output of the current detection section, and an A/D converter connected to the output-side of the level-shift circuit. The level-shift circuit shifts the current detection section output signal to unbalance the maximum discharging current and maximum charging current that can be detected.

REFERENCES:
patent: 6049210 (2000-04-01), Hwang
patent: 6335611 (2002-01-01), Sasaki
patent: 7050914 (2006-05-01), Tzeng et al.
patent: 7095212 (2006-08-01), Sudo et al.
patent: 7679418 (2010-03-01), Vlasenko
patent: 2003/0169078 (2003-09-01), Onishi
patent: 0 464 748 (1992-01-01), None
patent: 2002-062341 (2002-02-01), None
European Search Report (in English language) issued May 20, 2010 in corresponding European Patent Application No. 08 00 4793.

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