| 发明名称 |
Door control system can link several communications sources, allows private selection of response |
| 摘要 |
The door control system has fixed (32) and wireless (34) dwelling units (32,34) connected to door units (10,14), motion detectors (18) other communication units (24) and programming units (26) and a display screens (42,44) to show the source of a call.
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| 申请公布号 |
DE19958125(A1) |
申请公布日期 |
2001.06.07 |
| 申请号 |
DE19991058125 |
申请日期 |
1999.12.02 |
| 申请人 |
S. SIEDLE & SOEHNE, TELEFON- UND TELEGRAFENWERKE GMBH |
发明人 |
BAYER, BERND |
| 分类号 |
H04M1/02;H04M1/725;H04M9/00;H04M11/02;(IPC1-7):H04M9/00;G08B1/08;H04M11/06 |
主分类号 |
H04M1/02 |
| 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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