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Electronics interface for device headset jack

  • US 9,736,567 B2
  • Filed: 09/29/2014
  • Issued: 08/15/2017
  • Est. Priority Date: 09/29/2014
  • Status: Active Grant
First Claim
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1. A method of operating a wireless user device, comprising:

  • connecting one or more pins of a headset jack of the wireless user device to an audio coder-decoder (codec) when an accessory device plugged into the headset jack is an audio accessory device;

    connecting the one or more pins of the headset jack to an alternate circuitry other than the audio codec when the accessory device plugged into the headset jack is a non-audio accessory device;

    determining, through the alternate circuitry, a required electrical operating parameter of the accessory device; and

    providing, from the alternate circuitry, the required electrical operating parameter to the accessory device through the headset jack, wherein the required electrical operating parameter is at least one of a required voltage supply or a required current supply.

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