发明名称 Ring light with user manipulable control
摘要 An illumination device having a plurality of light sources, a user manipulable control and a circuit. The circuit receives an input from the user manipulable control, determines an illumination angle of the plurality of light sources based upon the input, and illuminates at least one of the light sources such that the light sources are illuminated in accordance with the illumination angle.
申请公布号 US2006215400(A1) 申请公布日期 2006.09.28
申请号 US20050085990 申请日期 2005.03.22
申请人 LEWIS WALTER F;MISSLER LEONARD R 发明人 LEWIS WALTER F.;MISSLER LEONARD R.
分类号 F21V21/15;F21V14/02;F21V23/00 主分类号 F21V21/15
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