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Wayfinding system

  • US 8,140,258 B1
  • Filed: 03/02/2010
  • Issued: 03/20/2012
  • Est. Priority Date: 03/02/2010
  • Status: Expired due to Fees
First Claim
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1. A wayfinding device for providing directions to a desired destination within a building having a plurality of wayfinding beacons configured to transmit data using an ultrasound signal, the ultrasound signal comprising a plurality of bursts, wherein a sequence of predefined time intervals between consecutive bursts within the plurality of bursts uniquely identifies each wayfinding beacon, comprising:

  • a programmable device separate from the wayfinding beacons, the programmable device comprising a wayfinding beacon recognition component configured to identify a wayfinding beacon when the programmable device receives the data through the ultrasound signal from a wayfinding beacon;

    the programmable device being programmed to provide directions to a user of the programmable device in a direction toward the desired destination in response to identifying a wayfinding beacon.

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