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Hearing aid radio power supply

  • US 10,405,108 B2
  • Filed: 03/20/2017
  • Issued: 09/03/2019
  • Est. Priority Date: 02/24/2014
  • Status: Active Grant
First Claim
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1. A hearing aid comprising:

  • an input transducer configured to output an audio signal based on a signal applied to the input transducer;

    a processor configured to compensate a hearing loss of a user of the hearing aid and output a hearing loss compensated audio signal;

    an output transducer configured to output an auditory output signal based on the hearing loss compensated audio signal, wherein the auditory output signal is to be received by a human auditory system;

    a wireless communication unit configured to communicate wirelessly with another device;

    an energy storage unit coupled to supply the wireless communication unit with power; and

    a current limiting unit coupled for control of replenishment of the energy storage unit with energy from a power supply;

    wherein an absolute value of an output impedance of the current limiting unit is larger than an absolute value of an output impedance of the energy storage.

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