Supervisory operation control system for protecting elevators or the like from a dangerous situation
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United States of America Patent
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-
Mar 17, 1987
Grant Date -
N/A
app pub date -
Mar 11, 1985
filing date -
Mar 16, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A supervisory operation control system responds to detection of vibration occurring at a predetermined location of an equipment for causing the equipment susceptible to adverse influence of the vibration to perform a predetermined supervisory operation. Transition to the supervisory operation is enabled when a product of speed and displacement of the vibration exceeds a predetermined value.
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