POSITION SENSOR FOR THE SPATIALLY RESOLVED DETECTION OF OBJECTS IN A MONITORED ZONE
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United States of America
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Issued Date -
Feb 13, 2025
app pub date -
Aug 6, 2024
filing date -
Aug 6, 2024
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Abstract
The present invention relates to a position sensor for the spatially resolved detection of objects in a monitored zone, comprising a measurement device for determining respective position signals for detected objects that are located in the monitored zone, an RFID reading device that is arranged adjacent to the measurement device and that is configured to transmit RFID control commands into the monitored zone by generating modulated RFID transmission signals and to receive RFID response signals, which are generated by an RFID transponder arranged at an object in response to received RFID control commands, and to determine a phase shift between the RFID transmission signals and the RFID response signals, and an evaluation unit that is connected to the measurement device and the RFID reading device and that is configured to assign at least one respective, temporally corresponding RFID response signal to a respective position signal determined by the measurement device, considering the determined phase shift of this RFID response signal.
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