Provision of local data in a wireless system

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Reexamination Certificate

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Details

C455S414100, C455S414200, C455S456100, C455S466000, C455S435200, C455S435300, C370S328000, C370S338000

Reexamination Certificate

active

07085568

ABSTRACT:
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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