Charge/discharge current detection circuit and variable...

Details Charge/discharge current detection circuit and variable... Charge/discharge current detection circuit and variable...

2005-01-04

2005-01-04

Ton, My-Trang Nu (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

C327S072000

Reexamination Certificate

active

06838913

ABSTRACT:
A charge/discharge current detection circuit includes a detection resistance that converts a charge current and a discharge current to a detection voltage, a level shifter circuit that level-shifts the detection voltage by a predetermined value, and an amplifier circuit that amplifies an output voltage of the level shifter circuit and outputs the amplified output voltage of the level shifter circuit. The level shifter circuit applies to the detection voltage a predetermined divided voltage obtained by resistance-dividing a reference voltage, to thereby level-shift the detection voltage.

REFERENCES:
patent: 5434717 (1995-07-01), Yoshinaga et al.
patent: 5739707 (1998-04-01), Barraclough
patent: 5898321 (1999-04-01), Ilkbahar et al.
patent: 6642742 (2003-11-01), Loyer
patent: 62-206455 (1987-09-01), None
patent: 11-234915 (1999-08-01), None
patent: 2000-028654 (2000-01-01), None
patent: 2000-155138 (2000-06-01), None

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