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Method for delivering information based on relative spatial position

  • US 20030009394A1
  • Filed: 07/06/2001
  • Published: 01/09/2003
  • Est. Priority Date: 07/06/2001
  • Status: Active Grant
First Claim
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1. A method for providing product information comprising the steps of:

  • establishing a local reference frame which defines a space including a product identifier and a portable display device;

    receiving a request for product information corresponding to the product identifier from the portable display device;

    determining a position of the portable display device in relation to the local reference frame; and

    providing the product information via the portable display device according to the position of the portable display device.

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