发明名称 |
Lift control system |
摘要 |
A lift control system includes a spatial filter producing a signal having various features, a discriminator for discriminating one or more features of the signal, and for producing a control signal when at least one of the features discriminated falls in a predetermined range, and active devices connected to the discriminator. The active devices are made active upon receipt of the control signal.
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申请公布号 |
US4520343(A) |
申请公布日期 |
1985.05.28 |
申请号 |
US19810331087 |
申请日期 |
1981.12.15 |
申请人 |
KOH, HIROSHI;HIROTA, JUNICHI |
发明人 |
KOH, HIROSHI;HIROTA, JUNICHI |
分类号 |
G08B19/00;(IPC1-7):B66B3/00 |
主分类号 |
G08B19/00 |
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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