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Pat. 9910453 United States, Int. Cl.22 H03L 5/00, G06F 1/02, H02M 1/12, H02M 5/12, H02M 7/5387, H02M 7/493. High voltage, high efficiency sine wave generator with pre-set frequency and adjustable amplitude : Appl. N 15/265921 : Filed 15.09.2016 : Pub. 06.03.2018 : / Yoram Wasserman, Edward Langerman, Mikhail Shtotland, Sergei Kirillov, Michael Krinitsky, Victor Kaikov ; Assignee Novocure Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9910453/en?oq=US9910453.html (дата обращения: ДД.ММ.ГГГГ).