发明名称 |
Dartboard illumination method and apparatus |
摘要 |
The present invention provides apparatus and methods for illuminating a dartboard comprising filtering of an illumination source from direct view by the player while protecting the illumination source from damage or breakage by darts or other objects.
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申请公布号 |
US2005002193(A1) |
申请公布日期 |
2005.01.06 |
申请号 |
US20030614256 |
申请日期 |
2003.07.03 |
申请人 |
HARRISON SCOTT |
发明人 |
HARRISON SCOTT |
分类号 |
F21V7/10;F21V33/00;F41J3/00;(IPC1-7):F21V7/10 |
主分类号 |
F21V7/10 |
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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