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Portable electronic device and method of operation therefore

  • US 7,088,256 B2
  • Filed: 07/30/2004
  • Issued: 08/08/2006
  • Est. Priority Date: 07/30/2004
  • Status: Active Grant
First Claim
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1. A method of operation of a portable electronic device comprising the steps of:

  • associating each of a plurality of drive voltages with at least one device identification;

    detecting an attached device;

    determining an identification for the attached device;

    selecting a drive voltage from the plurality of drive voltages; and

    driving a vibrator using the drive voltage.

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