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.

Date of Patent:
Mar. 04, 2025

Filed:

Mar. 13, 2020
Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventors:

Junichi Kotani, Hyogo, JP;

Osamu Moriya, Nara, JP;

Hisayoshi Kato, Osaka, JP;

Toshiyuki Asahi, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 5/00 (2006.01); H01F 27/26 (2006.01); H01F 27/28 (2006.01); H01F 38/08 (2006.01);
U.S. Cl.
CPC ...
H01F 38/08 (2013.01); H01F 27/26 (2013.01); H01F 27/2804 (2013.01); H01F 2027/2809 (2013.01);
Abstract

A leakage transformer includes a core and a printed wiring board. The core includes a first magnetic leg and a second magnetic leg. The second magnetic leg is spaced from the first magnetic leg. The printed wiring board includes an insulating portion and conductor wiring. The conductor wiring includes a first coil and a second coil. The first coil is formed of a first winding and is wound around only the first magnetic leg, not around the second magnetic leg. The second coil is formed of a second winding and includes a first part and a second part. The first part is wound around only the first magnetic leg, not around the second magnetic leg. The second part is wound around both the first and second magnetic legs.


Find Patent Forward Citations

Loading…