Module, circuit and method of communication for detection device and sensor comprising such a module, in particular for explosive atmosphere
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United States of America Patent
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Apr 11, 2017
Grant Date -
Jun 2, 2016
app pub date -
Nov 28, 2013
filing date -
Nov 28, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A communication module is provided for a sensor, for use in a detection device, including a plurality of sensors, having at least one upstream receiver for receiving an interrogation signal from upstream of the sensor and transporting it to the sensor, and receiving from the sensor a response signal and transporting it upstream of the sensor; —at least one downstream transporter for transporting an interrogation signal downstream of the sensor; —at least one sensor short-circuit, displaceable between an open position wherein the upstream receiver is linked to the sensor, and a closed position in which the upstream receiver is disconnected from the sensor and connected to the downstream transporter; and —at least one controller, for controlling the sensor short-circuit and arranged to maintain the sensor short-circuit: —in the open position until the emission of the response signal, and —in the closed position after the emission.
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