Implantable medical device and power controlling method thereof
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United States of America Patent
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Apr 25, 2017
Grant Date -
Jul 10, 2014
app pub date -
Oct 27, 2011
filing date -
May 27, 2011
priority date (Note) -
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Abstract
An implantable medical device includes a secondary coil for receiving an RF signal from the external terminal by an induced electromotive force excited by an external terminal primary coil. RF signal includes a power signal for energizing the medical device and data signal generated upon modulation of the power signal for use in controlling the medical device. The implantable medical device further comprises: a power processing block for converting the received power signal into DC for use by the implantable medical device; a data communication circuit activated by the DC supplied from the power processing block for demodulating the modulated data signal from the RF signal; a charge unit for charging a battery with the DC supplied from the power processing block; and a control unit to be operative by a power supply from the battery for controlling the implantable medical device according to the demodulated data signal.
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