Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With storage means for voltage or current
Reexamination Certificate
2006-07-04
2006-07-04
Deb, Anjan (Department: 2858)
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With storage means for voltage or current
C324S609000, C455S127100
Reexamination Certificate
active
07071677
ABSTRACT:
An exemplary method and circuit for sensing bi-directional current through a resistive element comprises a sampling unit, a charge transfer unit, and an amplifier. The sampling unit is switchably coupled to the resistive element and samples and stores a voltage corresponding to a current flowing through the resistive element. The charge transfer unit switchably connects the sampling unit to the amplifier such that the charge transfer unit and the amplifier convert the sampled voltage to a ground-referenced output voltage corresponding to the magnitude of the current and in accordance with the direction of the current through resistive element.
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Deb Anjan
Kyocera Wireless Corp.
Nguyen Hoai-An D.
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