发明授权
- 专利标题: LED emergency light
- 专利标题(中): LED应急灯
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申请号: US12327866申请日: 2008-12-04
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公开(公告)号: US08333481B2公开(公告)日: 2012-12-18
- 发明人: Jia H. Deng
- 申请人: Jia H. Deng
- 代理机构: FSP LLC
- 主分类号: F21V19/04
- IPC分类号: F21V19/04
摘要:
A lighting apparatus includes a primary lighting source powered by from a facility A-C power source, and backup LED lighting source powered by batteries.
公开/授权文献
- US20090146573A1 LED EMERGENCY LIGHT 公开/授权日:2009-06-11
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