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:
May. 20, 2008
Filed:
Sep. 29, 2003
Yukiharu Suzuki, Tokyo, JP;
Toshihiko Kobayashi, Tokyo, JP;
Toshimi Mizoguchi, Tokyo, JP;
Tamura Corporation, Tokyo, JP;
Abstract
The multi-layer transformerof the present invention comprises a composite sheetcomprising a center magnetic patternand peripheral magnetic patternthat are formed at the center and periphery respectively, and a dielectric patternof a nonmagnetic body that is formed in a part except the center and periphery; a composite sheetsimilarly comprising a center magnetic pattern, peripheral magnetic patternand a dielectric pattern; a primary windingthat is located on one face of the dielectric pattern; a secondary windingthat is located on one face of the dielectric pattern; and magnetic sheetsandthat hold the composite sheetsand, primary windingand secondary windingfrom both sides and contact one another via the center magnetic patternsandand peripheral magnetic patternsand