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    • 12. 发明专利
    • Data reader
    • GB0005021D0
    • 2000-04-26
    • GB0005021
    • 2000-03-02
    • HARRISON TIMOTHY N
    • H04J14/02H04Q11/00
    • Monitoring one or more objects, especially people, within a zone, e.g. a building, convention centre, or shopping mall, by remotely reading data from tags carried by the objects, analysing the data and generating output information in response to specified data. A unique reference number (URN) on each tag is linked to data records of the corresponding object on a computer, which is linked to a central database. The tag could be read using a hand-held reader. A recognised URN causes the computer to initiate a variety of possible actions: on-screen or audible message (e.g. greeting for a conference attendee), alarm, specific message delivery elsewhere to another piece of equipment, person (e.g. security staff) or software application (e.g. for administrative purposes). Many possible applications are described. In a security system embodiment, two or more people (e.g. parent and child) each carrying a tag are prevented from passing through a security station unless in the presence of a designated complementary tag. The system could be used for locating e.g. a missing child within a monitored zone. The tags could be used to enable access to the person's medical history, stored in a central (e.g hospital) database. The tags could be read/write (Fig. 2) as well as read-only (Fig. 1), e.g. in an exhibition, attendees could download information into their tag at "self-service" stations.