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Methods and devices for identifying selected objects

  • US 9,454,681 B2
  • Filed: 05/31/2011
  • Issued: 09/27/2016
  • Est. Priority Date: 05/31/2011
  • Status: Active Grant
First Claim
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1. A method of choosing an object from a plurality of objects using a wireless device, wherein each of the plurality of objects includes an RF interface configured to communicate using backscatter communication, the method comprising:

  • receiving a backscatter communication signal from each of the plurality of objects;

    determining at least one analog parameter of each backscatter communication signal;

    detecting movement of the wireless device about at least a partially completed path about an object to be selected, the movement indicative of the object to be selected; and

    using the wireless device, selecting one object of the plurality of objects while the wireless device is moving with respect to the plurality of objects, based at least in part on the at least one analog parameter of each backscatter communication signal and based in part on the movement of the wireless device.

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