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Pat. 11046553 United States, Int. Cl.22 B66B 5/02, B66B 1/30, B66B 1/32, B66B 1/34, B66B 5/00, H02J 7/00, H02J 7/34, H02J 9/06, H02M 3/158, H02M 7/537, H02P 27/06. Elevator automatic rescue and energy-saving device and control method for same and super capacitor module : Appl. N 15/750897 : Filed 10.09.2015 : Pub. 29.06.2021 : / Eric Ka Wai Cheng, Eugene Yu Ching Chan, Xiangdang Xue, Lok Yan Lorraine Chan ; Assignee Forward Electronics Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11046553/en?oq=US11046553.html (дата обращения: ДД.ММ.ГГГГ).