发明名称 Secure optical interface for elevator systems
摘要 A wireless optical interface is described for providing communication between elevator diagnostic equipment and elevator control equipment. The interface comprises a first light transmitter/receiver element connected to the diagnostic equipment, and a second light transmitter/receiver element connected to the elevator control system, the first and second elements in light communication with each other. Each of the first and second light transmitter/receiver elements include a photo transistor/light emitting diode pair and associated circuitry for converting back and forth between electronic and light data formats.
申请公布号 US2002071158(A1) 申请公布日期 2002.06.13
申请号 US20000731461 申请日期 2000.12.07
申请人 SMITH RORY 发明人 SMITH RORY
分类号 B66B3/00;B66B5/00;(IPC1-7):H04B10/00 主分类号 B66B3/00
代理机构 代理人
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