Библиографическая ссылка на патент
Pat. 10439509 United States, Int. Cl.22 H02M 7/217, H03K 3/02, H02M 1/00, H02M 1/08. Circuit for generating a control voltage depending on voltage phase of an input signal : Appl. N 16/441269 : Filed 14.06.2019 : Pub. 08.10.2019 : / Anupam Sharma, Nafish Jalal ; Assignee Varroc Engineering Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10439509/en?oq=US10439509.html (дата обращения: ДД.ММ.ГГГГ).