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Pat. 10778092 United States, Int. Cl.22 G05F 3/02, H02M 3/07. Negative voltage generating circuit having automatic voltage adjustment function : Appl. N 16/605804 : Filed 11.09.2017 : Pub. 15.09.2020 : / Rongbin Hu, Yonglu Wang, Zhengping Zhang, Jian'an Wang, Guangbing Chen, Dongbing Fu, Yuxin Wang, Hequan Jiang, Gangyi Hu ; Assignee Cetc 24 Research Institute ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10778092/en?oq=US10778092.html (дата обращения: ДД.ММ.ГГГГ).