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Pat. 10128771 United States, Int. Cl.22 G01R 15/18, H01F 27/28, H02J 5/00, H02J 50/10, H02M 7/06. Powering electricity meter circuit front end with coreless PCB transformer : Appl. N 15/238875 : Filed 17.08.2016 : Pub. 13.11.2018 : / Shun Kei Leung, Stephen James Underwood ; Assignee Texas Instruments Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10128771/en?oq=US10128771.html (дата обращения: ДД.ММ.ГГГГ).