SYSTEM AND METHOD FOR DETECTING PRESENCE OF AN OBJECT
摘要
<p>A system for detecting the presence of an object may include a radio frequency identification (RFID) reader configured to transmit a plurality of interrogation signals, a response controller that is configured to receive the plurality of interrogation signals and respond by transmitting a plurality of standard response signals, and a mixing element that is configured to generate a mixed signal when in the presence of the plurality of interrogation signals and the standard response signals. The RFID reader outputs an alert signal upon receipt of the mixed signal.</p>
申请公布号
WO2013148576(A1)
申请公布日期
2013.10.03
申请号
WO2013US33710
申请日期
2013.03.25
申请人
ADT SERVICES GMBH;ALICOT, JORGE, F.;MOHIUDDIN, MOHAMMAD