Hydraulic elevator and control method thereof
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United States of America Patent
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-
Oct 4, 1988
Grant Date -
N/A
app pub date -
Jun 18, 1987
filing date -
Jun 20, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A hydraulic elevator, wherein actual speed characteristics are detected so that they can be used together with desired speed characteristics in such a manner that the speed control accuracy of the car itself is improved.
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Cited Art Landscape
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