发明名称 |
Projector for electronic dartboard, uses laser to mark foot line for game of darts |
摘要 |
The projector has a rotating mirror which directs a laser light onto the floor in front of the dartboard. This light represents the foot line and other information. The line can be adjusted to suit the game, and may be altered during the game.
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申请公布号 |
DE19924915(A1) |
申请公布日期 |
2000.12.14 |
申请号 |
DE19991024915 |
申请日期 |
1999.05.31 |
申请人 |
KIRCHHOFF, GABRIELE |
发明人 |
KIRCHHOFF, GABRIELE |
分类号 |
A63B71/04;A63B71/06;F41J3/00;(IPC1-7):A63C19/06;A63B67/16 |
主分类号 |
A63B71/04 |
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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