TAG DETECTION IN ELEVATOR SYSTEMS
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United States of America Patent
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Issued Date -
Jul 28, 2022
app pub date -
Nov 23, 2021
filing date -
Jan 28, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
An elevator system (2, 102) includes an elevator car (4, 104), a tag detection device (16, 116) arranged to detect the presence of tags (18, 20; 118, 120) in the elevator car (4, 104) and a control system (13). The control system (13) is arranged to determine if the tag detection device (16, 116) detects at least one of a set of associated tags (18, 20; 118, 120) 10 present in the elevator car (4, 104) and, if at least one of the set of associated tags (18, 20; 118, 120) is detected in the elevator car (4, 104), to prevent at least one travel operation of the elevator car (4, 104) until all or none of the set of associated tags (18, 20; 118, 120) is detected to be present in the elevator car (4, 104).
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