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Locating items with flickering lamps

  • US 7,061,395 B1
  • Filed: 11/04/2002
  • Issued: 06/13/2006
  • Est. Priority Date: 05/15/2001
  • Status: Expired due to Fees
First Claim
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1. A process of locating an item belonging to a collection of items in diverse places, the item having an individual identity within the collection, belonging to a group within the collection, or having an individual identity within the collection and also belonging to a group within the collection;

  • the process comprising steps of;

    attaching to each item in the collection a respective lamp emitting optical flickers that encode a group/identity of that item;

    providing a detector defining a detection location, wherein information relating to the group/identity of the item to be located has been input to the detector;

    moving the detector relative to the collection of items; and

    registering the item to be located, according to the information input to the detector, when the item to be located flickers within the detection location.

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