Elevator landing door unlocking device
CHEN TENGFEI, HE YUNLANG, HUANG YIMAO, LI CHENGXIANG, LI NA, XU ZHIQIANG, LI WENSHENG
Year of Publication 17.01.2023
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Year of Publication 17.01.2023
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Elevator car door foreign matter detection device, elevator car door and car door foreign matter detection method
CHEN TENGFEI, HE YUNLANG, HUANG YIMAO, LI CHENGXIANG, LI NA, XU ZHIQIANG, LI WENSHENG
Year of Publication 18.10.2022
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Year of Publication 18.10.2022
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Elevator is used up curtain installation and is maintained device
LI CANHUA, HUANG WEN, HUANG YIMAO, TAN ZHENGRONG, YANG JIE, DENG YAOKUN
Year of Publication 03.07.2018
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Year of Publication 03.07.2018
Patent