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System and method for electronic road signs with in-car display capabilities

  • US 7,382,276 B2
  • Filed: 02/21/2006
  • Issued: 06/03/2008
  • Est. Priority Date: 02/21/2006
  • Status: Active Grant
First Claim
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1. In a wireless communication network comprising a plurality of wireless road sign transmitters in communication with a mobile computing device located, a method of delivering road sign content to the mobile computing devices within vehicles, the method comprising the steps of:

  • continuously broadcasting signals onto the wireless communication network a message containing specific road sign content information from the road sign transmitter;

    continuously monitoring at the mobile computing device, within the vehicle, a wireless communication network for signals being broadcast over the network, the broadcasted signals coming from road sign transmitters;

    capturing the message from the wireless communication network, when the signal is in range of the mobile computing device;

    interpreting the message contained in the captured signal to determine the road sign content information; and

    based on display parameters previously defined by a user, displaying onto a display device operationally coupled to the mobile computing device contents of a road sign contained in the captured message the message.

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