Wireless communication system for location of a person and identification of a distress condition of the person comprising portable transceivers (20) carried by persons, each having an associated alarm switch (40), the transceiver activatable locally and/or via a remote network and the alarm switch operable locally to activate the transceiver.
申请公布号
WO9832105(A3)
申请公布日期
1998.10.01
申请号
WO1998US00896
申请日期
1998.01.20
申请人
HOFFMAN RESOURCES, LLC;HOFFMAN, MARK, S.;HOFFMAN, JUDD, A.;HOFFMAN, ANN;DOE, DAVID, G.
发明人
HOFFMAN, MARK, S.;HOFFMAN, JUDD, A.;HOFFMAN, ANN;DOE, DAVID, G.