发明名称 ASSET TRACKING SYSTEM FOR RACK-BASED ENCLOSURES
摘要 A system includes a beacon device including a communication strip having a plurality of directed light emitters distributed along the communication strip. The beacon device can transmit a directed light signal via the directed light emitters. The system further includes a tag including a processor, a radio frequency transmitter coupled to the processor, a directed light receiver coupled to the processor, and a lens having first and second major surfaces and a side surface, the tag to receive the directed light signal via the side surface and to transmit a radio frequency tag message via the radio frequency transmitter. The system also includes a radio frequency reader to receive the radio frequency tag message.
申请公布号 EP2577569(B1) 申请公布日期 2016.07.27
申请号 EP20110787319 申请日期 2011.05.25
申请人 RF CODE, INC. 发明人 PRIMM, MICHAEL;GRACZYK, RONALD;JOY, RYAN;BLACKLEDGE, MATTHEW
分类号 G06K19/07;G06K7/10 主分类号 G06K19/07
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