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Localised audio data delivery

  • US 7,197,277 B2
  • Filed: 06/07/2001
  • Issued: 03/27/2007
  • Est. Priority Date: 06/26/2000
  • Status: Expired due to Fees
First Claim
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1. A method for enabling the user of a portable communications device to received broadcast audio messages, the method comprising:

  • wherein at least one beacon device broadcasts a series of messages each in the form of a plurality of predetermined data fields arranged according to a first communications protocol;

    wherein the beacon adds to each such message prior to transmission an additional data field carrying broadcast audio message data; and

    wherein the portable communications device makes no transmission to the beacon to initiate transmission by the beacon prior to receiving the transmitted messages, extracts the audio broadcast data from said additional data field, and reproduces the audio to the user.

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