发明名称 |
INTRUSION DETECTION SYSTEM AND SENSOR DEVICE THEREOF |
摘要 |
A intrusion detection system includes a first sensor device having a first transmission circuit unit that transmits a modulation wave of a first transmission spectrum diffusion signal to a first transmission leakage transfer passage and a second sensor device having a second transmission circuit unit that transmits a modulation wave of a second transmission spectrum diffusion signal to a second transmission leakage transfer passage. The signal interval of the first transmission spectrum diffusion signal is the same as the signal interval of the second transmission spectrum diffusion signal. The first transmission spectrum diffusion signal and the second transmission spectrum diffusion signal are shifted in frequency so that the first transmission spectrum diffusion signal does not overlap with the second transmission spectrum diffusion signal.
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申请公布号 |
US2011234404(A1) |
申请公布日期 |
2011.09.29 |
申请号 |
US20100851961 |
申请日期 |
2010.08.06 |
申请人 |
MITSUBISHI ELECTRIC CORPORATION |
发明人 |
TOYOHARA AKIHIRO;MORITA KEISUKE |
分类号 |
G08B13/18 |
主分类号 |
G08B13/18 |
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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