Low noise power sources for portable electronic systems

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United States of America Patent

PATENT NO 9647464
APP PUB NO 20140265572A1
SERIAL NO

14214265

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Power supplies for electronic devices (e.g., portable ultrasound devices) are disclosed herein. In one embodiment, a stack of batteries and one or more switches between the batteries can change a voltage provided to a terminal that is connectable to a load. A charge pump comprising a number of capacitors are connected by switches. In one configuration, the switches are set so that each capacitor is charged from a common voltage source. In another mode, the switches are connected such that capacitors can be connected in series to provide a multiple of the charging voltage to the load.

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Patent Owner(s)

  • FUJIFILM SONOSITE, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Siedenburg, Clinton T Everett, US 30 574

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