ATTENDANCE REGISTRATION SYSTEM BY RADIO LINK

摘要

A data collection system comprising one or more portable computer devices (2),forming mobile data collection means,each including wireless transceiver means (10) and a data-logging program, anda fixed data collection system comprising a cen-tral computer (12) which is connected to at least one fixed wirelesstransceiver means (14) for communication with the mobiletransceivers, the central computer having a data collation program formanipulating data transmitted from the individual collec-tion means.