发明授权
- 专利标题： Movement sensor
- 专利标题（中）： 运动传感器
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申请号： US668260申请日： 1984-11-05
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公开(公告)号： US4688025A公开(公告)日： 1987-08-18
- 发明人: Peter Frank
- 申请人： Peter Frank
- 申请人地址： GB2 London
- 专利权人： Product Innovation Limited
- 当前专利权人： Product Innovation Limited
- 当前专利权人地址： GB2 London
- 优先权： GBX8329532 19831104; GBX8422802 19840910
- 主分类号： G08B13/02
- IPC分类号： G08B13/02 ; G08B13/14 ; G08B21/18
摘要：
A movement sensor having a movable part, detection means for providing a first detection signal when the part is in one position and a second detection signal when the part is in a different position, and means for producing an alarm signal in response to the first and second detection signals being successively provided after initiation of the operation of the sensor irrespective of the order in which said signals are provided.
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