O2Micro International Ltd's power source detection topology secures Japanese patent

Wednesday, 15 Jan 2014 08:30am EST 

O2Micro International Ltd:Says a patent grant for its Power Source Detection topology from the Japanese Patent Office.Says Invention, issued 19 claims under Japanese patent number 5,388,484, compares a detection voltage to a predetermined reference voltage to identify whether the power source is a USB host or an AC adapter. 

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