发明名称 A system for monitoring a multiplicity of doors
摘要 <p>A system for monitoring a multiplicity of doors including at least one optical transceiver mounted on each of the multiplicity of doors and communications apparatus for communicating with each of the multiplicity of doors thereby to verify their position. &lt;IMAGE&gt;</p>
申请公布号 EP0772166(A1) 申请公布日期 1997.05.07
申请号 EP19950202914 申请日期 1995.10.27
申请人 ELISRA ELECTRONIC SYSTEMS LTD. 发明人 TALMOM, GAD;DERSHOWITZ, ZVI
分类号 E05G1/08;G07F17/12;(IPC1-7):G07F17/12 主分类号 E05G1/08
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