发明名称 |
Motion sensing tone system for burglar alarm connected to central location by a telephone line uses varying tone to indicate the motions of a burglar to the central location |
摘要 |
The alarm system uses a tone signal to indicate the movements recorded by a motion sensor. The tone signal is transmitted by a telephone line and used at the called sight to monitor the movements of a burglar.
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申请公布号 |
DE19915825(A1) |
申请公布日期 |
2000.10.12 |
申请号 |
DE19991015825 |
申请日期 |
1999.04.08 |
申请人 |
MUELLER, HEINZ |
发明人 |
MUELLER, HEINZ |
分类号 |
H04M11/04;(IPC1-7):H04M11/04 |
主分类号 |
H04M11/04 |
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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