A 2.45 GHz wireless automatic passenger gate system has been developed for contact-free type train-station automatic passenger gate system. The system consists of a transmitter-receiver equipment and non-contact wireless IC cards and uses four key technologies: a circularly polarized shaped beam three patch antenna for transmitter, a small size dual port slot antenna for the card, a simple modulation/demodulation scheme for stable data transmission, and a co-channel allocation system for operation with multiple gates. Operation of this wireless card system, with its newly developed technologies, has been successfully demonstrated.


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    Title :

    A wireless automatic passenger gate


    Additional title:

    Ein drahtloses Einlaßsystem für Passagiere


    Contributors:
    Konno, K. (author) / Kojima, T. (author)

    Published in:

    Publication date :

    1994


    Size :

    6 Seiten, 15 Bilder, 2 Tabellen, 3 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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