发明名称 IDENTIFICATION SYSTEM
摘要 The invention discloses a method of identifying a plurality of transponders(1, 2, 3) in an interrogation comprising transmitting an interrogation signal to the transponders (1, 2, 3) and receiving at a reader (10) response signals from the transponders (1, 2, 3). Each transponder (1, 2, 3) is capable of transmitting the response signal at any time during a waiting period and may alter the maximum length of the waiting period during the interrogation process.
申请公布号 CA2310241(A1) 申请公布日期 1999.05.27
申请号 CA19982310241 申请日期 1998.11.09
申请人 BTG INTERNATIONAL LIMITED 发明人 ATKINS, RAYMOND CATHERALL;MARAIS, MARIO ALPHONSO;SMIT, HENDRIK VAN ZYL
分类号 G01S13/75;G01S13/78;G06K7/00;(IPC1-7):G01S13/78 主分类号 G01S13/75
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