发明授权
- 专利标题： Safety device for the proprioception impaired
- 专利标题（中）： 本体感受障碍的安全装置
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申请号： US216146申请日： 1994-03-22
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公开(公告)号： US5554975A公开(公告)日： 1996-09-10
- 发明人: H. Eugene Hall , Ray Beddo
- 申请人： H. Eugene Hall , Ray Beddo
- 专利权人： Hall; H. Eugene,Beddo; Ray
- 当前专利权人： Hall; H. Eugene,Beddo; Ray
- 主分类号： A45B3/00
- IPC分类号： A45B3/00 ; G08B21/04 ; G08B23/00
摘要：
A safety cane incorporates an ambient light sensitive illumination device for conserving battery power. A tipping detector is also incorporated which sounds an audible alarm after a first time delay. If the cane is not retrieved by the end of the second time delay, the cane broadcasts an initiating instruction to a telephone dialing device.
公开/授权文献
- US4866302A Time domain reflectometer 公开/授权日：1989-09-12
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