发明名称 |
Height sensing device including an ultrasonic sensor and a mechanical sensor |
摘要 |
A height-position sensing device for use with a contol circuit for controlling the height position of a blade in the case of a motor grader includes a mechanical height-position sensor and a ultrasonic height-position sensor which are connected to a common control circuit via a switch.
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申请公布号 |
US5035290(A) |
申请公布日期 |
1991.07.30 |
申请号 |
US19890428218 |
申请日期 |
1989.10.27 |
申请人 |
MOBA-ELECTRONIC GESELLSCHAFT FUR MOBIL-AUTOMATION MBH |
发明人 |
HARMS, PAUL;SEHR, WILLIBALD |
分类号 |
E02F3/84;G01S15/88 |
主分类号 |
E02F3/84 |
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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