Door opening and closing device
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United States of America Patent
Stats
-
Nov 23, 2021
Grant Date -
Aug 15, 2019
app pub date -
Oct 2, 2017
filing date -
Oct 4, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A door opening and closing device includes: a door drive unit capable of opening and closing a door; a detection means for detecting a subject present in an approach area; a measurement unit that measures a distance from the detection means to the subject; a determination unit that determines whether the subject has stopped in the approach area; a setting unit that sets a trigger zone in the approach area a; and a control means for starting control to drive the door drive unit when the subject is determined to have moved into the trigger zone. The setting unit sets the trigger zone to drive the door drive unit on the basis of the separation distance from the detection means to a stopped position.
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Family
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Cited Art Landscape
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