Alarm Sensor And System Comprising Such A Sensor
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United States of America Patent
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Aug 1, 2019
app pub date -
Jun 20, 2017
filing date -
Jun 20, 2017
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Abstract
An alarm sensor for an opening of a building area comprising an opening sensor suited for detecting an opening event of the opening, an inhibition device suited for at least determining the presence of a person in the interior space near the opening, and an electronic unit suited for providing the detection signal if the opening sensor detected the opening event and if the inhibition device did not detect a presence during a first time before the opening event.
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