AUTOMATIC DOOR OPERATOR IN ENTRANCE SYSTEM
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United States of America Patent
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Issued Date -
Jun 27, 2024
app pub date -
May 3, 2022
filing date -
May 4, 2021
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Abstract
ASSA ABLOY Entrance Systems AB has developed control arrangement (100) for an entrance system (300) is disclosed herein. The control arrangement (100) comprises a controller module (30) and a sensor module (20), the controller module (30) being for providing control data to the sensor module (20) and the sensor module (20) being for providing sensor data to the controller module (30). The sensor module (20) is configured to provide a safety signal representing the sensor data, and retrieve the control data from the safety signal. The controller module (30) is configured to modulate a current of the safety signal, the modulated current representing the control data, and retrieve the sensor data from the safety signal.
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