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Pat. 10886859 United States, Int. Cl.22 H02M 7/53, H01F 27/24, H02M 7/48, H02M 7/5387, H02M 7/5395. Alternating-current power supply device with windings wound in different directions : Appl. N 16/092144 : Filed 11.04.2017 : Pub. 05.01.2021 : / Hirotaka Otake, Yusuke Nakakohara, Mamoru Tsuruya ; Assignee Rohm Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10886859/en?oq=US10886859.html (дата обращения: ДД.ММ.ГГГГ).