System for detecting the presence in a rack of a portable unit suitable for transmitting or receiving a signal having an assigned identification number.
摘要
申请公布号
EP0489467(B1)
申请公布日期
1995.07.26
申请号
EP19910203127
申请日期
1991.11.28
申请人
ERICSSON RADIO SYSTEMS B.V.
发明人
ZIJLSTRA, GAUKE KLAAS;VAN DER AREND, ADRIANUS GERARDUS ANTONIUS
