Voltage measuring device

Details Voltage measuring device Voltage measuring device

2011-04-12

2011-04-12

Tso, Edward (Department: 2858)

Electricity: measuring and testing

Electrolyte properties

Using a battery testing device

C320S163000, C320S166000

Reexamination Certificate

active

07924016

ABSTRACT:
A pair of measuring switches S21, S22is interposed between both terminals of a capacitor C, and inputs T1, T2of A/D converters11c,11dvia resistors R1, R2. A pair of measuring switches S23, S24is interposed between both inputs T1, T2and a ground. The CPU12acontrols the measuring switches S21to S24so that when a terminal “a” of the capacitor C is positive charged, while the other terminal “b” of the capacitor C is grounded, both terminals “a” and “b” are respectively connected to the inputs T1and T2. The CPU12acontrols the measuring switches S21to S24so that when the terminal “b” of the capacitor C is positive charged, while the terminal “a” of the capacitor C is grounded, both terminals “a” and “b” are respectively connected to the inputs T1and T2.

REFERENCES:
patent: 6362627 (2002-03-01), Shimamoto et al.
patent: 6639408 (2003-10-01), Yudahira et al.
patent: 7126342 (2006-10-01), Iwabuchi et al.
patent: 7129714 (2006-10-01), Baxter
patent: 11-248755 (1999-09-01), None
patent: 2003-84015 (2003-03-01), None

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