| 发明名称 |
Feedback circuit for a display sign and method |
| 摘要 |
A feedback circuit for a display sign has a number of lights. A resistor is coupled in series with the lights. A voltage measuring circuit is coupled to the resistor.
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| 申请公布号 |
US2007109141(A1) |
申请公布日期 |
2007.05.17 |
| 申请号 |
US20050274647 |
申请日期 |
2005.11.15 |
| 申请人 |
SKYLINE PRODUCTS, INC. |
发明人 |
LINDSAY CHARLES L.;BUSH CHARLES H. |
| 分类号 |
G08B21/00 |
主分类号 |
G08B21/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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