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Directional information delivery system and method

  • US 7,555,292 B2
  • Filed: 04/25/2006
  • Issued: 06/30/2009
  • Est. Priority Date: 04/26/2005
  • Status: Expired due to Fees
First Claim
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1. A directional information delivery system, comprising:

  • a wide-angle electromagnetic wave transmitter for transmitting electromagnetic waves from an object to a specified area in wide angle, the electromagnetic wave carrying thereon a channel identification for identifying a channel for transferring information regarding said object;

    an information delivery sub-system for wireless transfer of information regarding at least one object via at least one channel; and

    a portable client device, comprising;

    a directional electromagnetic wave receiver for receiving electromagnetic wave from a wide-angle electromagnetic wave transmitter in a specified direction and for obtaining a channel identification from the electromagnetic wave; and

    information reception means for establishing a connection with the information delivery sub-system based on the channel identification obtained by the directional electromagnetic wave receiver and for obtaining information from the channel indicated by the channel identification.

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