发明名称 |
Omnidirectional acceleration alarm and switch therefor |
摘要 |
A security device incorporates apparatus for producing a special alarm sound in response to a change in acceleration sensed with a special omnidirectional sensor and under the control of special SCR circuitry. The circuitry and sensor are especially adapted for the security application but have independent utility.
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申请公布号 |
US4479114(A) |
申请公布日期 |
1984.10.23 |
申请号 |
US19820423666 |
申请日期 |
1982.09.27 |
申请人 |
YAMAMOTO, YUJIRO |
发明人 |
YAMAMOTO, YUJIRO |
分类号 |
G08B3/10;G08B13/02;(IPC1-7):G08B13/02;G08B13/14 |
主分类号 |
G08B3/10 |
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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