DIAGNOSIS SYSTEM AND DIAGNOSIS METHOD FOR OPENING/CLOSING DEVICE
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United States of America Patent
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Issued Date -
Feb 2, 2023
app pub date -
Feb 10, 2021
filing date -
Feb 10, 2021
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Abstract
A diagnosis system diagnoses the integrity of an opening/closing device capable of opening and closing by driving a motor. A driving current acquisition unit acquires a driving current of the motor. A diagnosis unit defines a current waveform from a temporal change of the driving current acquired by the driving current acquisition unit and diagnoses the integrity of the opening/closing device based on the current waveform.
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