发明名称 Field device search system
摘要 The field device search system is composed of a plurality of field devices having a wireless transmitting/receiving capability and an information terminal having a receiving capability to receive radio waves from a field device, wherein the information terminal includes a radio wave receiver, a CPU (arithmetic means), a display part, a memory, and member for identifying one of the plurality of field devices.
申请公布号 US8086175(B2) 申请公布日期 2011.12.27
申请号 US20080316080 申请日期 2008.12.09
申请人 NAKAGAWA SHINYA;YOKOGAWA ELECTRIC CORPORATION 发明人 NAKAGAWA SHINYA
分类号 H04B7/24;G01S1/02;G01S5/02;H04W4/02;H04W4/04;H04W60/00;H04W64/00 主分类号 H04B7/24
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