发明名称 OPTICAL COMPARATOR USING LIGHT-EMITTING DIODE LIGHT SOURCES
摘要 <p>The invention provides a source of illumination comprising a base having mounted thereon at least one light-emitting diode light source, a parabolic reflector mounted on the base and surrounding the at least one light-emitting diode, and a transmissive diffuser at the narrow end of the parabolic reflector.</p>
申请公布号 WO2009079111(A1) 申请公布日期 2009.06.25
申请号 WO2008US82626 申请日期 2008.11.06
申请人 BLOCH, STEPHANIE M.;QUALITY VISION INTERNATIONAL;BOERSCHLEIN, DONALD 发明人 BLOCH, STEPHANIE M.;BOERSCHLEIN, DONALD
分类号 G01B11/00;G01B9/08 主分类号 G01B11/00
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