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Local information provision

  • US 20020049056A1
  • Filed: 06/28/2001
  • Published: 04/25/2002
  • Est. Priority Date: 06/30/2000
  • Status: Active Grant
First Claim
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1. A local data provision system comprising:

  • a plurality of transmitters each located at a respective entity having a limited range of physical utility, and each transmitter being arranged repeatedly or on demand to transmit wirelessly a signal carrying data indicating the presence of the respective entity over a range substantially coterminous with the range of utility of that entity; and

    a personal information unit comprising a user interface for signaling information to a user and a receiver arranged to receive the availability data and to cause the user interface to signal information to the user in dependence on the received availability data.

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