发明名称 |
WIRELESS WARNING SYSTEM AND METHOD OF USING THE SAME |
摘要 |
A wireless warning system (100) includes a primary terminal (10) and a secondary terminal (20). The primary terminal includes a first alarm apparatus (11) and a first communicating apparatus (12). The secondary terminal includes a second alarm apparatus (21) and a second communicating apparatus (22). The first communicating apparatus and the second communicating apparatus contact with each other and respectively calculate a distance between the primary terminal and the secondary terminal. The first alarm apparatus and the second alarm apparatus alarm when the calculated distance being beyond a predetermined safe distance.
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申请公布号 |
US2008291031(A1) |
申请公布日期 |
2008.11.27 |
申请号 |
US20070926663 |
申请日期 |
2007.10.29 |
申请人 |
CHI MEI COMMUNICATION SYSTEMS, INC. |
发明人 |
CHEN CHIN-YUAN;CHANG CHIH-WEI |
分类号 |
G08B23/00 |
主分类号 |
G08B23/00 |
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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