LC noise filter
First Claim
1. An LC noise filter comprising:
- an insulation sheet having a plurality of portions folded alternately in opposite directions and stacked one above another;
an inductive conductor provided on said insulation sheet at a first side to form a coil having a given number of turns when said folded portions are folded alternately in the opposite directions and stacked one above another, said inductive conductor having a predetermined width; and
a capacitive conductor not directly, electrically connected to the inductive conductor and provided on said insulation sheet at a second side, said capacitive conductor having a mirror-image pattern as said inductive conductor to form a sandwich structure around said insulation sheet, said capacitive conductor having a predetermined width providing a capacitance between said inductive conductor and said capacitive conductor.
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Accused Products
Abstract
The present invention provides an LC noise filter consisting of a capacitance and an inductance, including a first insulation sheet having a plurality of portions folded alternately in the opposite directions and stacked one above another; a first conductor applied to the insulation sheet at one side and adapted to form a coil having a given number of turns when the folded portions of the insulation sheet are folded alternately in the opposite directions and stacked one above another; and a second conductor applied to the insulation sheet at the other side and located substantially opposite to the first conductor to form a capacitance therebetween, whereby the filter can eliminate incoming noises without creation of any undesirable phenomenon such as ringing or the like.
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Citations
13 Claims
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1. An LC noise filter comprising:
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an insulation sheet having a plurality of portions folded alternately in opposite directions and stacked one above another; an inductive conductor provided on said insulation sheet at a first side to form a coil having a given number of turns when said folded portions are folded alternately in the opposite directions and stacked one above another, said inductive conductor having a predetermined width; and a capacitive conductor not directly, electrically connected to the inductive conductor and provided on said insulation sheet at a second side, said capacitive conductor having a mirror-image pattern as said inductive conductor to form a sandwich structure around said insulation sheet, said capacitive conductor having a predetermined width providing a capacitance between said inductive conductor and said capacitive conductor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification