Current measuring apparatus, test apparatus, current...

Details Current measuring apparatus, test apparatus, current... Current measuring apparatus, test apparatus, current...

2008-07-30

2009-08-18

Nguyen, Ha Tran T (Department: 2829)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

Reexamination Certificate

active

07576555

ABSTRACT:
There is provided a current measuring apparatus that measures an electric current received by an electronic device from an input terminal, The current measuring apparatus includes a first voltage accumulator that accumulates a reference supply voltage that acts as a reference for a voltage being supplied to the electronic device during measuring electric currents, a first switch that connects a power supply to the first voltage accumulator to accumulate the reference supply voltage before measuring electric currents and disconnects the power supply from the first voltage accumulator during measuring electric currents, a current supplying section that supplies an electric current based on the reference supply voltage accumulated in the first voltage accumulator and a terminal voltage of the input terminal to the electronic device during measuring electric currents, and a first current measuring section that measures the supply current supplied to the electronic device.

REFERENCES:
patent: 7446549 (2008-11-01), Tomita et al.
patent: 7482829 (2009-01-01), Hirata et al.
patent: 07-248358 (1995-09-01), None
patent: 10-246759 (1998-09-01), None
patent: 2001-041997 (2001-02-01), None
patent: 2004-347421 (2004-12-01), None

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