Communication protocol for use with portable electronic devices

  • US 20070271387A1
  • Filed: 05/22/2006
  • Published: 11/22/2007
  • Est. Priority Date: 05/22/2006
  • Status: Active Grant
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First Claim
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1. A method for communicating between a portable electronic device and an accessory device, said method comprising:

  • issuing a device capabilities request to the accessory device;

    receiving a device capabilities response from the accessory device; and

    subsequently interacting with the accessory device based on the device capabilities.

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