Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With voltage or current conversion
Reexamination Certificate
2011-04-19
2011-04-19
Velez, Roberto (Department: 2858)
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With voltage or current conversion
Reexamination Certificate
active
07928720
ABSTRACT:
A system measures power conversion efficiency of a voltage regulator. A measurement setting module presets a maximum output current and a total measurement number, and calculates each target output current of the voltage regulator. A load adjustment module adjusts an impedance of the electronic load to equal current passing through the electronic load to the target output current of the voltage regulator. A calculation module calculates each output power and input power, and power conversion efficiencies for each sequence number of measurement.
REFERENCES:
patent: 5408173 (1995-04-01), Knapp
Hon Hai Precision Industry Co. Ltd.
Ma Zhigang
Velez Roberto
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