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Power supply having an auxiliary power cell

  • US 8,026,637 B2
  • Filed: 07/24/2008
  • Issued: 09/27/2011
  • Est. Priority Date: 01/24/2001
  • Status: Expired due to Fees
First Claim
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1. A cochlear implant comprising:

  • a power supply configured to supply power to one or more components of the cochlear implant, comprising;

    a plurality of batteries electrically connected in series and configured to output power;

    an auxiliary battery; and

    a control module configured to measure power demands of said components, to evaluate respective power delivery capabilities of each of said plurality of batteries in response to a determination that the power output by said plurality of batteries is insufficient to meet the measured power demands of said components, and to selectively electrically connect said auxiliary battery in parallel with whichever one of said plurality of batteries has a lower power delivery capability than another of said plurality of batteries.

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