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Pat. 9941722 United States, Int. Cl.22 H02J 7/00, H02J 7/04, H02J 7/14, H02M 7/219, H02N 2/18, H02M 1/00. Converter and method for extracting maximum power from piezo vibration harvester : Appl. N 14/828332 : Filed 17.08.2015 : Pub. 10.04.2018 : / Vadim V. Ivanov ; Assignee Texas Instruments Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9941722/en?oq=US9941722.html (дата обращения: ДД.ММ.ГГГГ).