发明名称 Solid state illuminator for bi-color ported water level gauges
摘要 A solid state illuminator and display are provided for bi-colored ported water level gauges suitable for use in high pressure steam drums or similar water/steam devices to facilitate making an accurate determination of water level in such devices. The illuminator includes an array of bi-colored solid state light emitting diodes (LEDs), as the light source, and a precision lens to focus the light provided from the LEDs through a gauge body and onto the view screen.
申请公布号 US7213457(B2) 申请公布日期 2007.05.08
申请号 US20050056103 申请日期 2005.02.14
申请人 发明人
分类号 G01F23/00;G01F23/02;G01F23/292 主分类号 G01F23/00
代理机构 代理人
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