Patent ID: 9257224
Filing Date: 2016-02-09
CPC Classification: H01F

Claim Text:
1. A toroidal transformer comprising: a toroidal assembly having an outer dimension, an inner dimension, and two sides, the toroidal assembly comprising: a first shield wrapped over at least a portion of the first winding, the first shield comprising a flexible non-magnetic conductive sheet including: wherein at least some of the plurality of fingers of the first shield have a tapered portion adjacent the trunk portion and a non-tapered portion distal the trunk portion, and the tapered portion has a first dimension substantially equal to the circumference of the outer dimension of the toroidal assembly divided by half the number of fingers in the plurality of fingers, and a second dimension substantially equal to the circumference of the inner dimension (π×inner dimension) of the toroidal assembly divided by half the number of fingers in the plurality of fingers.