Communication protocol for use with portable electronic devices

  • US 8,073,984 B2
  • Filed: 05/22/2006
  • Issued: 12/06/2011
  • 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, wherein the device capabilities response includes information regarding one or more of;

    filtering capabilities, listening mode capabilities and listening window timing capabilities;

    issuing a device mode setting request used to set an operational mode of the accessory device;

    issuing a set filter request used to configure network filtering at the accessory device;

    issuing a set receive window timing request used to set a receive window during which the accessory device actively listens for incoming data frames over a wireless network from one or more sensor devices and outside of which the accessory device does not listen for incoming data frames in order to conserve power; and

    subsequently interacting with the accessory device based on the device capabilities, the operational mode and the network filtering, wherein the interacting operates to receive data frames at the portable electronic device from the accessory device, the data frames being received by the accessory device during the receive window from the one or more sensor devices.

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