发明名称 |
Traffic light |
摘要 |
A traffic light comprises a lampshade having a base, a copper plate placed on an inner side of the base and a plurality of LEDs. The copper plate is aligned with 5-45° angle with respect to the base of the lampshade. The LEDs are arranged on the copper plate. The traffic light uses less number of LEDs and has enhanced security.
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申请公布号 |
US2003043594(A1) |
申请公布日期 |
2003.03.06 |
申请号 |
US20010939568 |
申请日期 |
2001.08.28 |
申请人 |
HSING CHEN CHEN-LUN;LEE PO-HSIEN;LI I-HSIANG |
发明人 |
HSING CHEN CHEN-LUN;LEE PO-HSIEN;LI I-HSIANG |
分类号 |
F21S8/00;F21V19/00;(IPC1-7):F21V7/04 |
主分类号 |
F21S8/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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