| 摘要 |
Open ends of a number of secondary windings are fixed by winding them around a film projection portion formed by cutting and raising insulating films provided between the layers of the secondary windings. This eliminates the requirement that a number of terminals on a bobbin corresponding to the secondary windings be fixed by winding them around the film projection portion, whereby the number of terminals provided on the bobbin can be reduced, and the bobbin can be made smaller in size.
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