| 发明名称 |
Arrangement for indicating an operating failure in an electrical communications device, esp. an emergency and/or information device |
| 摘要 |
The arrangement has a cover plate (5) containing a liquid crystal display mounted in front of an indicator (4), which is in, on or behind an outer wall (1), for indicating the failure of the communications device. The LCD is designed to be opaque with a signal voltage applied but transparent if the signal voltage fails.
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| 申请公布号 |
DE19800724(A1) |
申请公布日期 |
1999.07.15 |
| 申请号 |
DE19981000724 |
申请日期 |
1998.01.12 |
| 申请人 |
NEUMANN ELEKTRONIK GMBH, 45478 MUELHEIM, DE |
发明人 |
LISON, HEINZ, 45478 MUELHEIM, DE |
| 分类号 |
G09F9/35;H04M17/02;H04M19/04;(IPC1-7):H04M1/00;G08G1/07;H04M17/00 |
主分类号 |
G09F9/35 |
| 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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