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Pat. 11165355 United States, Int. Cl.22 H02M 3/335, H02M 1/08, H02M 1/32. Clamping switch abnormality detection method, clamping switch abnormality detection circuit and switch circuit : Appl. N 16/784267 : Filed 07.02.2020 : Pub. 02.11.2021 : / Pitleong Wong, Xianghua Jiang, Xunwei Zhou ; Assignee Joulwatt Technology Hangzhou Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11165355/en?oq=US11165355.html (дата обращения: ДД.ММ.ГГГГ).