Abstract: Disclosed herein is a coil component that includes a first coil, and a second coil disposed so as to surround the first coil. The first coil includes a first section extending in a first direction, a second section extending in a second direction orthogonal to the first direction, and a third section positioned between the first and second sections. Gaps between the first, second, and third sections of the first coil and the second coil as viewed in a coil axis direction have a first width, a second width, and a third width, respectively. The second width is larger than the first width and smaller than the third width.

Abstract: Disclosed herein is an apparatus that includes a substrate having first and second surfaces opposite to each other, a first coil pattern formed on the first surface of the substrate, and a second coil pattern formed on the second surface of the substrate. The first coil pattern includes first and second lines, and the second coil pattern includes third and fourth lines. The first line is greater in a number of turn than the second line, and the third line is greater in a number of turn than the fourth line. The first line is connected to the fourth line, and the third line is connected to the second line.

Abstract: Disclosed herein is a noise suppression sheet that includes a substrate having a first through hole, and a conductor pattern provided on one surface of the substrate. The conductor pattern has a plurality of linear patterns extending in a first direction and a connection pattern connecting the plurality of linear patterns. The one surface of the substrate has a clearance area surrounded by the plurality of linear patterns and having no conductor pattern. The size of the clearance area in a second direction different from the first direction is larger than an arrangement pitch between the plurality of linear patterns in the second direction. The first through hole is formed in the clearance area.

Abstract: Disclosed herein is an antenna module sheet that includes a first coil pattern including first to third turns. The first turn is positioned in an opening of the second turn, and the second turn is positioned in an opening of the third turn. Each of the first and second turns has an opening width larger in a first direction than in a second direction. The first distance between the first and second turns in the second direction is smaller than the second distance between the second and third turns in the second direction. The third distance between the first and second turns in the first direction is smaller than the first distance. The fourth distance between the second and third turns in the first direction is smaller than the second distance. The third turn has an opening width larger in the second direction than in the first direction.

Abstract: A magnet temperature information output device is disposed on a rotating electrical machine including a stator and a rotor with a permanent magnet, and is arranged to output temperature information regarding a temperature of the permanent magnet. The magnet temperature information output device includes an element arranged to detect a magnetic flux and output an electrical signal responding to the detected magnetic flux as the temperature information. The element is disposed on the stator.

Abstract: Disclosed herein is a coil component that includes a substrate, and a planar spiral coil pattern provided on the surface of the substrate. The coil pattern has a circularity higher in its inner shape than in its outer shape.

Abstract: Disclosed herein is a coil component that includes a first coil pattern wound in a planar spiral shape. At least one turn constituting the first coil pattern is divided into a plurality of lines by a spiral slit, and a space width between the plurality of lines differs depending on a planar position.

Abstract: Disclosed herein is a coil component that includes a first coil part spirally wound in a plurality of turns, the first coil part including a first turn positioned at an innermost periphery and a second turn positioned on an outer peripheral side relative to the first turn; and a second coil part spirally wound in a plurality of turns, the second coil part including a third turn positioned at an innermost periphery and a fourth turn positioned on an outer peripheral side relative to the third turn. The first turn and the fourth turn are connected to each other, and the second turn and the third turn are connected to each other.

Abstract: Disclosed herein is a coil component that includes first and second substrates, a first coil pattern formed on one surface of the first substrate, a second coil pattern formed on one surface of the second substrate, a first terminal electrode connected to one end of the first coil pattern and protruding from the first substrate, and a second terminal electrode connected to one end of the second coil pattern and protruding from the second substrate. The first and second substrates are laminated such that the first and second terminal electrodes overlap each other and are connected to each other.

Abstract: A rotating electrical machine includes a stator, a rotor with a permanent magnet, a first number of one or more first coils, and a second number of one or more second coils. The second number is different from the first number. The one or more first coils are disposed on the stator. The one or more second coils are disposed on the rotor. The one or more first coils and the one or more second coils are disposed on the stator and the rotor, respectively, in such a manner as to closely oppose each other in a state where the rotor is at a predetermined rotation angle position. The one or more first coils are arranged to induce a voltage in response to a relative position with respect to the one or more second coils.

Abstract: Disclosed herein is an antenna device that includes a first coil pattern having at least first, second, and third turns. As viewed in a coil axis direction, each of the first, second, and third turns has an opening with a width larger in a first direction than in a second direction orthogonal to the first direction. The width of the opening of the second turn in the second direction is larger than a width of the opening of the first turn in the second direction. The width of the opening of the third turn in the second direction is larger than the width of the opening of the second turn in the second direction and smaller than a width of the opening of the first turn in the first direction.

Abstract: Disclosed herein is a coil component that includes a first coil, and a second coil disposed so as to surround the first coil. The first coil includes a first section extending in a first direction, a second section extending in a second direction orthogonal to the first direction, and a third section positioned between the first and second sections. Gaps between the first, second, and third sections of the first coil and the second coil as viewed in a coil axis direction have a first width, a second width, and a third width, respectively. The second width is larger than the first width and smaller than the third width.

Abstract: Disclosed herein is a coil module that includes a holder having a flat-plate part for placing thereon a target device, a first stopper extending in a first direction along a first side of the flat-plate part, and a second stopper extending in a second direction orthogonal to the first direction along a second side of the flat-plate part; and a coil provided so as to overlap the flat-plate part of the holder. As viewed in a coil axis direction, an outer size of the coil in a third direction inclined at a predetermined angle with respect to the first direction is larger than an outer size of the coil in a fourth direction orthogonal to the third direction.

Abstract: Disclosed herein is an antenna device that includes a substrate, a conductor pattern formed on the substrate, and a magnetic sheet formed on the substrate. The conductor pattern includes a spiral or loop-shaped antenna coil and a spiral or loop-shaped coupling coil connected to the antenna coil and having a diameter smaller than that of the antenna coil. The antenna coil overlaps the magnetic sheet. The magnetic sheet has a first opening at a position overlapping the coupling coil such that an inner diameter area of the coupling coil completely overlaps the first opening in a plan view.

Abstract: Disclosed herein is a coil component that includes a coil pattern spirally wound in a plurality of turns. The coil pattern has an innermost turn positioned at an innermost periphery, an outermost turn positioned at an outermost periphery, a middle turn whose turn number counted from the innermost or outermost turn is intermediate among all the turns, and a center position of a line length. The coil pattern is designed such that a pattern width at the center position is larger than pattern widths of the innermost and outermost turns, and that a total or average value of pattern widths of turns positioned between the outermost turn and the middle turn is larger than a total or average value of pattern widths of turns positioned between the innermost turn and the middle turn.

Abstract: Disclosed herein is a coil component that includes a first coil pattern, wherein an opening area surrounded by the first coil pattern has a first side extending in a first direction and a second side extending in the first direction, and wherein the first side is longer than the second side.

Abstract: Disclosed herein is a coil component that includes a first coil pattern, a second coil pattern connected to the first coil pattern, and a magnetic member covering the first and second coil patterns in an axial direction of the first and second coil patterns. The first and second coil patterns are arranged side by side in a first direction perpendicular to the axial direction. The first coil pattern has a first protrusion protruding in a second direction perpendicular to the axial direction and the first direction from a first outer peripheral end of the magnetic member in the second direction.

Abstract: Disclosed herein is an antenna device that includes a substrate; a conductor pattern formed on the substrate and including a spiral or loop-shaped antenna coil, a spiral or loop-shaped coupling coil being connected to the antenna coil and having a diameter smaller than that of the antenna coil, and a spiral-shaped booster coil at least partially overlapping the antenna coil through the substrate without being connected thereto; and a resonance capacitor connected to the booster coil. The number of turns of the booster coil is larger than that of the antenna coil.

Abstract: Disclosed herein is a coil component that includes a coil pattern provided on the substrate. The outer and inner shapes of the coil pattern are both larger in width in a first direction than a second direction. The outer shape of the coil pattern has a pair of first outer shape sections and a second outer shape section positioned between the pair of first outer shape sections in the first direction and having a width in the second direction larger than that of the first outer shape sections. The inner shape of the coil pattern has a pair of first inner shape sections and a second inner shape section positioned between the pair of first inner shape sections in the first direction and having a width in the second direction larger than that of the first inner shape sections.