Alps Electric Co., Ltd.

Kazuo Nishizawa

Torao Hiyama

A transformer is disclosed. The transformer consists essentially of first and second conductors, each having at least three overlap portions, terminals at one end each of the overlap portions and a connecting portion for connecting the other end of each of the overlap portion; an insulating member interposed between the first and second conductors, thereby forming an electromagnetic coupling; and two cores mode of a magnetic substance, at least one of the cores having three grooves; the overlap portions of the first and second conductors being placed in the grooves of the core while being electrically insulated from one another by the insulating member; the two cores being bonded to each other with the overlap portions between them.

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Koide, Japan

Kazuo Nishizawa