The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 24, 2026
Filed:
Oct. 20, 2022
3d Plus, Buc, FR;
Cédric Colonna, Antony, FR;
3D PLUS, Buc, FR;
Abstract
An innovative planar transformer structure, the transformer includes a primary circuit comprising a primary winding of N1 turns; a secondary circuit comprising a secondary winding of N2 turns; a printed circuit board of layers superposed on one another, forming an aperture defining a perimeter; vias disposed at the centre of the primary and secondary windings on the perimeter of the aperture, the N1 and N2 turns being each disposed on a layer, according to any alternation between the N1 and N2 turns, each of the N1 and N2 turns being wound, partially around vias in forming a circular arc per layer; the circular arc of a layer being distinctly oriented with respect to the circular arcs of the other layers.