SEMI-PASSIVE RADIO FREQUENCY IDENTIFICATION (RFID) TAG WITH ACTIVE BEACON
摘要
<p>A radio frequency beacon device for use with a backscatter interrogator includes a processor; a receiver coupled to the processor; a backscatter modulator coupled to the processor; and an active transmitter coupled to the processor, the active transmitter being configured to transmit an RF signal, in response to a trigger signal, regardless of whether the interrogator is providing a carrier wave for backscatter modulation by the backscatter modulator. Other methods and apparatus are provided.</p>
申请公布号
WO2005109329(A1)
申请公布日期
2005.11.17
申请号
WO2005US15268
申请日期
2005.05.03
申请人
BATTELLE MEMORIAL INSTITUTE;HUGHES, MICHAEL, A.;PRATT, RICHARD, M.