发明名称 |
Motion sensitive reminder |
摘要 |
A compact motion sensitive reminder device that is readily attachable to almost any movable item that emits an audio signal when the item is initially moved from a stationary condition and then remains silent during the item's use, and emits the audio signal again only after a certain amount of time that the movable item has remained stationary.
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申请公布号 |
US5861808(A) |
申请公布日期 |
1999.01.19 |
申请号 |
US19970978833 |
申请日期 |
1997.11.26 |
申请人 |
LEHMANN, ROGER W.;SATTEN, MICHAEL I. |
发明人 |
LEHMANN, ROGER W.;SATTEN, MICHAEL I. |
分类号 |
G08B13/14;G08B21/24;(IPC1-7):G08B13/14 |
主分类号 |
G08B13/14 |
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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