发明名称 |
Height-adjustable work and projection board and height-adjustable projector |
摘要 |
<p>The board works with respect to a projection device. The projection device and the board are provided with electro motor drives. The projection device and board are aligned in its position. The projection device is arranged at the room ceiling and the board is arranged at the room wall. A control actuates the drives in its adjustable path length.</p> |
申请公布号 |
EP1780595(A1) |
申请公布日期 |
2007.05.02 |
申请号 |
EP20060000242 |
申请日期 |
2006.01.07 |
申请人 |
PROMETHEAN GMBH |
发明人 |
HOEVEL, MICHAEL |
分类号 |
G03B21/56;F16M11/18;G03B21/14;H04N5/64 |
主分类号 |
G03B21/56 |
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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