发明名称 |
Apparatus and method as an orientation aid to the blind and those with impaired vision using the ultrasound pulse echo method |
摘要 |
The invention describes an apparatus which provides an orientation aid to the blind and those with impaired vision. A miniaturised ultrasound pulse echo time evaluation unit is placed on the cane of the blind person such that the unit monitors the upper region. The invention describes some technical novelties in this connection.
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申请公布号 |
DE3544047(A1) |
申请公布日期 |
1987.06.19 |
申请号 |
DE19853544047 |
申请日期 |
1985.12.13 |
申请人 |
BROER,RUDOLF |
发明人 |
RUMP,HANNS;KLOSS,UDO;SCHOCKENBAUM,HANS-WALTER;BROER,RUDOLF |
分类号 |
A61F9/08;A61H3/06;G01S7/52;G01S15/88;(IPC1-7):A61F9/08 |
主分类号 |
A61F9/08 |
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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