Elevator hoistway speed identifier with measured property
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United States of America Patent
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-
Apr 2, 2013
Grant Date -
Aug 2, 2012
app pub date -
Apr 6, 2012
filing date -
Oct 9, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention relates to a measuring arrangement, an elevator system and also a monitoring arrangement for measuring the movement of an elevator car. The measuring arrangement includes identifiers disposed at set points in the elevator hoistway, each of which identifiers contains at least one property to be measured, which property to be measured is made to be variable in the direction of movement of the elevator car. The measuring arrangement includes at least one measuring apparatus, fitted in connection with the elevator car and arranged to move along with the elevator car in the elevator hoistway. The measuring apparatus is arranged to separately read the property to be measured of each aforementioned identifier after the measuring apparatus has moved in the elevator hoistway to the reading point individual for the identifier to be read.
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