METHOD AND APPARATUS FOR TRACKING AND MONITORING CONTAINERS
摘要
A tag responds to receipt of a short-range wireless signal by altering the operation of a transmitter that transmits long-range wireless signals containing a unique tag identification, and conforming to a satellite or cellular network communication protocol. According to a different aspect, a tag responds to receipt of a short-range wireless signal by altering operation of a receiver that receives long-range wireless signals containing positioning information, the tag determining location information from the positioning information. According to another aspect, a tag responds to receipt of a short-range wireless signal by altering operation of a sensor section having a sensor responsive to a condition.
申请公布号
WO2009111734(A3)
申请公布日期
2009.12.17
申请号
WO2009US36388
申请日期
2009.03.06
申请人
SAVI TECHNOLOGY, INC.;NORAIR, JOHN P.;MIM, REINER G.;BURNS, PATRICK E.