发明名称 AUTOMATIC LIGHTING DEVICE AND SOUND DEVICE
摘要 PURPOSE: An automatic lighting device and sound device is provided to irradiate uniformly light over a bathroom by using a small LED of low power. CONSTITUTION: The housing(110) is formed in a ceiling to expose a cover(120) only. The ventilation hole(112) for thermal radiation is formed in the side of the housing. The optical unit is comprised of the radiation array, and the diffuse reflection lens, and the divergent lens(230) and the diffuse reflection sheet. A plurality of LED is fixedly arranged in a supporter. A pair of speakers(140, 142) is installed in both sides and the detection sensor(130) is installed at the center of the divergent lens.
申请公布号 KR20090111661(A) 申请公布日期 2009.10.27
申请号 KR20080037372 申请日期 2008.04.22
申请人 LEE, DONG HOON 发明人 LEE, DONG HOON;KOH, KWANG HYUK;KANG, HEE GU;SHIN, HYUN TAEK;KIM, JU HYUCK
分类号 F21V23/00;F21V33/00 主分类号 F21V23/00
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