发明名称 LED control system with feedback
摘要 A method of controlling power provided to one or more light emitting diodes in a projection system comprises measuring light output from the one or more light emitting diodes. Based at least upon the measured light output, the power to at least one of the light emitting diodes is modified.
申请公布号 US7172295(B2) 申请公布日期 2007.02.06
申请号 US20040842898 申请日期 2004.05.10
申请人 INFOCUS CORPORATION 发明人 ENGLE T. SCOTT
分类号 G03B21/20;G03B21/00;G03B21/14;G03B21/28;G05D25/02;G09G3/34;H04N5/74 主分类号 G03B21/20
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