Plane coil
First Claim
Patent Images
1. A plane coil comprising:
- a plurality of conductive wires which are generally parallel to each other,wherein the conductive wires are arranged in a plane and spirally wound,coil ends of the respective conductive wires are electrically connected to each other at a coil lead-out portion such that the conductive wires are connected in parallel,positions of the parallel conductive wires relative to each other are switched at a plurality of changing positions on the plane,the conductive wires have an even number of the conductive wires in parallel in each spiral loop,a first coil comprising a first half of the even number of the conductive wires is stacked vertically adjacent to a second coil comprising a second half of the even number of the conductive wires,the first coil and the second coil have at least one of equal coil diameters and equal numbers of turns,at least one position of the first half of the even number of the conductive wires relative to at least one other position of the first half of the even number of the conductive wires are switched at least one of the plurality of the changing positions on the plane, andthe first half of the even number of the conductive wires are connected in series with the second half of the even number of the conductive wires.
2 Assignments
0 Petitions
Accused Products
Abstract
A plane coil which reduces an increase of an effective resistance in a high-frequency area and is made thinner is provided. The plane coil is equipped with plural conductive wires which are parallel to each other, wherein the conductive wires are arranged in a plane and spirally wound, and coil ends of the respective conductive wires are electrically connected to each other at coil lead-out portions and thus are connected in parallel. The conductive wires are arranged in plane, so that a coil thickness does not increase, and the coil is made thinner. Moreover, the plural conductive wires are connected in parallel, an increase of an effective resistance due to an influence of a skin effect in a high-frequency area is reduced.
38 Citations
4 Claims
-
1. A plane coil comprising:
-
a plurality of conductive wires which are generally parallel to each other, wherein the conductive wires are arranged in a plane and spirally wound, coil ends of the respective conductive wires are electrically connected to each other at a coil lead-out portion such that the conductive wires are connected in parallel, positions of the parallel conductive wires relative to each other are switched at a plurality of changing positions on the plane, the conductive wires have an even number of the conductive wires in parallel in each spiral loop, a first coil comprising a first half of the even number of the conductive wires is stacked vertically adjacent to a second coil comprising a second half of the even number of the conductive wires, the first coil and the second coil have at least one of equal coil diameters and equal numbers of turns, at least one position of the first half of the even number of the conductive wires relative to at least one other position of the first half of the even number of the conductive wires are switched at least one of the plurality of the changing positions on the plane, and the first half of the even number of the conductive wires are connected in series with the second half of the even number of the conductive wires. - View Dependent Claims (2, 3, 4)
-
Specification
-
- Resources
Litigation Campaign Assessment
Thank you for your request. You will receive a custom alert email when the Litigation Campaign Assessment is available.
×
-
Current AssigneePanasonic Corporation (Panasonic Holdings Corporation)
-
Original AssigneePanasonic Corporation (Panasonic Holdings Corporation)
-
InventorsTamura, Hideki, Ota, Tomohiro, Kada, Kyohei, Suzuki, Masayuki
-
Primary Examiner(s)Musleh, Mohamad
-
Assistant Examiner(s)BAISA, JOSELITO SASIS
-
Application NumberUS13/001,675Publication NumberTime in Patent Office1,317 DaysField of Search336/200, 336/223, 336/232US Class Current336/232CPC Class CodesH01F 2027/348 Preventing eddy currentsH01F 27/2823 Wires H01F27/2866 takes pre...H01F 27/2871 Pancake coilsH01F 27/34 Special means for preventin...H01F 38/14 Inductive couplings for wir...
