Intelligent security system

专利名称：Intelligent security system发明人：George F. Andrews申请号：US07/643455申请日：19910118公开号：US05099226A公开日：19920324

摘要：An intelligent security system capable of sensing the presence of an object tobe identified, interrogating the object with an encrypted code, and receiving and

processing an encoded response from a passive transceiver carried by the object so thatthe intelligent security system can be utilized for controlling access to a location,performing inventory control, controlling toll access systems, operating multi- stationcomplex machinery systems, or providing object locating information, for example. Theintelligent security system is particularly characterized by its utilization of a totallypassive transceiver including a transmit circuit which will only be activated upon receipt bythe transceiver of a predetermined encrypted interrogation signal. In response to receiptof a proper interrogation signal, an encoded response signal is transmitted by thepassive transceiver and then received, decoded and processed by other elements of thesecurity system.

申请人：INTERAMERICAN INDUSTRIAL COMPANY

代理机构：Pettis & McDonald

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