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.
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
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