| 发明名称 |
ERROR ELIMINATING CIRCUIT OF DETECTOR USING SUPERSONIC WAVE |
| 摘要 |
PURPOSE:To prevent error information of a car in a parking lot by using two circuits, one of which detects the absence of the periodic reflexing supersonic wave signal from a stationary substance, and another receives the reflexing wave from the car. |
| 申请公布号 |
JPS5214439(A) |
申请公布日期 |
1977.02.03 |
| 申请号 |
JP19750089639 |
申请日期 |
1975.07.24 |
| 申请人 |
TOKYO KEIKI KK |
发明人 |
YAMAMOTO EIJI;KAWAKAMI MASAYOSHI |
| 分类号 |
G01S7/527;G01S7/536;G01V1/00;H01H35/00 |
主分类号 |
G01S7/527 |
| 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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