发明名称 |
Arrangement for indicating occupied working and visitor seats in offices has two rows of red and green LED signal lights with each green LED above red LED; both observed as a unit |
摘要 |
The arrangement has two rows of red and green LED signal lights arranged so that each green LED is arranged above a red LED and both are observed together as a unit. The electric pulse for driving a single LD is obtained via an IR motion sensor and a logic unit.
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申请公布号 |
DE19935110(A1) |
申请公布日期 |
2001.02.08 |
申请号 |
DE19991035110 |
申请日期 |
1999.07.27 |
申请人 |
LUETJEN, GUENTER |
发明人 |
LUETJEN, GUENTER;VEEN, JOACHIM |
分类号 |
G08B5/36;G08B21/22;G09F9/33;(IPC1-7):G08B5/36 |
主分类号 |
G08B5/36 |
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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