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Portable companion device only functioning when a wireless link established between the companion device and an electronic device and providing processed data to the electronic device

  • US 6,931,463 B2
  • Filed: 09/11/2001
  • Issued: 08/16/2005
  • Est. Priority Date: 09/11/2001
  • Status: Active Grant
First Claim
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1. A companion device that is used in conjunction with an electronic device, the companion device comprising:

  • a local wireless interface that couples the companion device to the electronic device, wherein the companion device is a portable device; and

    a data processing mechanism coupled to the wireless interface that receives data in a first form from the electronic device via the wireless interface, that processes the data to a second form, and that outputs the processed data to the electronic device via the wireless interface, wherein the data processing mechanism only functions when a link between the companion device and the electronic device is established via the wireless interface when the companion device is in physical proximity to the electronic device.

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