Abstract: An antenna coil device including: a connector unit mounted with a connector of an external circuit detachably by being plugged-in; and a base unit provided with an antenna body including a coil, in which the connector unit and the base unit are constituted by separate members and are used by being combined integrally each other, wherein for the connector unit and the base unit, there are formed a connector fitting portion and a base fitting portion which are formed with a concave and a convex in a direction intersecting with respect to the plug-in direction of the connector unit, and by fitting the connector fitting portion and the base fitting portion, the connector unit and the base unit are combined in a state in which the antenna body is positioned with respect to the connector unit.

Abstract: A capacitance type detection device may include a sensor electrode forming a capacitor with respect to a peripheral conductor; a measurement unit measuring the floating capacitance of the sensor electrode, which changes correspondingly to a positional relation between the sensor electrode and the detection object; and a judgment unit judging the approach of the detection object in a case in which there is satisfied an approach detection condition including a fact that a magnitude correlation between a time rate-of-change of the floating capacitance measured by the measurement unit and a predetermined time rate-of-change which is defined correspondingly to a combination of the detection object and an object to be discriminated so as to be different from the detection object lies in a predetermined relation.

Abstract: A coil component includes an air-core winding wire portion wound by a wire with a plurality of wound layers by alignment winding, a spiral shaped wound portion in which the wire wound in a spiral shape from an inner edge of an end surface toward an outer edge thereof along the end surface while in contact with the end surface on one side in the axis direction of the winding wire portion, a first lead portion extended and extracted outward from a winding first end point of the spiral shaped wound portion, and a second lead portion extended and extracted outward from a winding second end point at the outer circumference of the winding wire portion.

Abstract: A method for manufacturing an electronic component for avoiding electromagnetic interference includes: (a) placing a T-shaped core and an air-core coil in a metal mold; (b) injecting a mixture of a composite magnetic material and a resin into the metal mold so that the T-shaped core and the air-core coil are embedded by the mixture; (c) heating the mixture at a first temperature; (d) adjusting an outer shape while removing excessive mixture; and (e) hardening the mixture. The method may further include a process of polishing an outside of the hardened mixture. The method may further include a process of applying a pressure of 0.1 to 20.0 kg/cm2 to the mixture for adjusting an outer shape of the mixture by a movable punch of a press machine before the hardening process.

Abstract: An electronic component includes a magnetic core member, a winding and a magnetic exterior body. The magnetic core member has a flat base and a core. The flat base has a top surface, a bottom surface, a first side surface and a second side surface opposite to the first side surface. The core is located on the top surface of the flat base. A winding has an edgewise coil and two non-wound flat wires that extend from the edgewise coil. A magnetic exterior body covers at least the core and the edgewise coil. The two non-wound flat wires continuously extend along the top surface, the first side surface, the bottom surface and the second side surface of the flat base in this order. The two non-wound flat wires located on the bottom surface work as electrodes.

Abstract: A magnetic component includes: a magnetic core including an upper flange portion on one end side of a winding shaft portion and a lower flange portion on another end side of the winding shaft portion; a pair of conductive terminals attached to the lower flange portion; and a coil including a conductive wire. The terminals each include an electrode portion extending along a lower surface of the lower flange portion and including an end portion projecting outward relative to an outer periphery of the lower flange portion, and a columnar wire splicing portion erected from the end portion of the electrode portion, and an upper end surface of the wire splicing portion includes a wire splicing surface for conductive wire connection.

Abstract: To greatly improve the productivity, the general versatility, the downsizing, the performance and the like, as compared to those of the conventional transformer, provided is a transformer including: a core; a primary winding; a secondary winding; a bobbin provided with a low voltage side coil winding portion and a high voltage side coil winding portion, wherein the secondary winding is wound onto each of the coil winding portions; and a casing disposed so as to cover an outer periphery of the bobbin, wherein the primary winding is wound onto a portion of an outer periphery of the casing corresponding to a position of the low voltage side coil winding portion.

Abstract: There is provided a winding structure, a coil winding, a coil part, and a coil winding manufacturing method, which are capable of preventing occurrence of an extra space due to existence of a connecting wire part when two winding parts and a connecting wire part connecting the winding parts are formed.

Abstract: There is provided a winding structure, a coil winding, a coil part, and a coil winding manufacturing method, which are capable of preventing occurrence of an extra space due to existence of a connecting wire part when two winding parts and a connecting wire part connecting the winding parts are formed.

Abstract: A magnetic element may include a first core member, a second core member facing the first core member along an entire outer periphery thereof, a coil, and a base shaped body on which the first core member and the second core member are placed. The base shaped body is provided with a base member and a terminal member, and the terminal member is provided with a binding terminal part, which projects outward in a first corner part of the base member and projects from the base member on a side lower than a portion of a winding frame part side of one flange part. The second core member is provided with a cutout part at a portion corresponding to the first corner part of the base member for allowing insertion of an end drawn out from the winding frame part in a state of not contacting the second core member.

Abstract: The present invention provides such a vibration generator which can obtain desired power-generation efficiency even if the vibration frequency is low. A vibration generator is provided with a vibrator which includes a plurality of magnets whose same magnetic poles are arranged by being faced to one another and which vibrates by a predetermined resonant frequency; a coil spring which supports the vibrator falling toward the gravitational direction and concurrently which vibrates the vibrator by a predetermined resonant frequency; a tubular winding bobbin in the inside of which the vibrator and the coil spring vibrate; coils which are wound on the outer circumference of the winding bobbin and which are connected in series inside groups divided into two or more; and a plurality of rectification circuits, each of which rectifies the output voltages of the coils for every one of the groups.

Abstract: A magnetic core including a winding core portion; and a flange portion provided on the axial end side of at least one of the winding core portion, wherein the flange portion is formed such that contour line OL1 of cross-section P, of the flange portion, which becomes perpendicular with respect to the axis line of the winding core portion forms a shape of a first irregular convex polygon which is substantially a non-regular polygon and also a convex polygon, and the contour line OL1 contacts with respect to all of sides Sb1, Sb2, Sb3 and Sb4 which are the four sides of a first circumscribed rectangle which becomes minimum within imaginary rectangles circumscribed with the contour line OL1 and also, the contour line OL1 includes side Sa1 and side Sat which respectively overlap with portions of respective ones of the side Sb1 and the side Sb2.

Abstract: A coil component includes a core formed by a magnetic material, a coil embedded in the core, a part of a terminal portion of the coil protruded from a side surface of the core, and a tabular terminal, a part thereof protruded from the side surface of the core and partly connected with the protruded part of the terminal portion of the coil. The protruded part of the terminal portion of the coil and the protruded part of the tabular terminal are respectively bent toward the bottom surface side of the core along the side surface of the core, and the protruded and bent part o the terminal portion of the coil is arranged between the protruded and bent part of the tabular terminal and the core.

Abstract: A vibration-powered generator (100) has a vibrating element (10) and a coil (40) arranged therearound, and is configured to obtain electromotive force by moving the vibrating element (10) relatively to the coil (40). The vibrating element (10) has a plurality of magnets (20a to 20d) arranged so as to oppose the pole-faces of the same polarity; end supporting portions (12, 13) which support the plurality of magnets from both ends in the direction of arrangement; and a cushioning (16). The cushioning (16) is held between the end supporting portion (12) and the magnet (20c), while being compressed under a stress exceeding the repelling force between the pole-faces of the magnets, so as to keep the magnets (20a to 20d) in a row without leaving a gap in between, overcoming the repelling force.

Abstract: The magnetic element has a first core member, a winding part, and a second core member, and is manufactured by way of at least a winding part placement step of placing the winding part on the face of the first core member on the side on which the core part is provided, such that the core part is positioned within the inner periphery of the winding part, and an injection molding step of injection molding so as to surround the first core member and the winding part with resin material, and in the winding part placement step, the winding part is placed on the face of the first core member on the side on which the core part is provided, with at least a portion of the inner peripheral face of the winding part distanced from the outer peripheral face of the core part.

Abstract: A contactless power supply system includes a power transmission coil, a power receiving coil, and a center tap that is provided at the power transmission coil. Specifically, the power transmission coil has a first coil and a second coil. The first coil is configured with a first conducting wire that circularly extends from the center tap by winding in a first direction from a first internal circumference side to a first external circumference side. The second coil is configured with a second conducting wire that circularly extends from the center tap by winding in a second direction, which is opposite to the first direction, from a second internal circumference side to a second external circumference side. A first number of windings of the first coil is approximately the same as a second number of windings of the second coil.

Abstract: The present invention provides a coil component provided with a magnetic core and a coil wound around the magnetic core. The coil component of the present invention is provided with an eddy-current generation member using any one of or any combination of a tape member using a conductive metallic foil, a thin film using a conductive metal material, a ribbon using a conductive metal material, a coated film using a conductive metal material, and a plate member using a conductive metal material. In a coil antenna adopting the coil component of the present invention, it is enabled to adjust the Q value to a desired value without increasing the direct current resistance value.

Abstract: Disclosed is a vibration type electromagnetic generator provided with a first pipe (2) which is made of a nonmagnetic material and is hollow, and both end portions of which are closed, a magneto coil (9) which is wound around the first pipe (2) and is provided with solenoid coils (4a-4c), and a movable magnet (3) which is disposed in the first pipe (2) and is capable of being moved along a winding shaft direction of the magneto coil (9). The movable magnet (3) is provided with a plurality of magnets and a magnet fixation unit which is made of a nonmagnetic body and fixes the plurality of magnets, the same poles of which are opposed to each other. Out of the plurality of solenoid coils, the coil length of at least one solenoid coil is set to a length that is equal to or longer than the magnet length of the magnet.

Abstract: Disclosed is a magnetic element that makes it possible to prevent a coil terminal from being positioned on a ring mount. The magnetic element comprises a first core member, coils, which are disposed in a second core member and a bobbin, and a first mount, on which the first core member is mounted, and possesses a second mount, which is disposed rising up from, and positioned between both edges of, the first mount, and on which the second core member is mounted, and is further equipped with a base, with multiple terminals disposed protruding from the sides thereof. Furthermore, a protrusion is disposed at the edge of the second mount, extending in the direction moving away from said second mount, and this protrusion is smaller than the thickness dimension of the base, and a terminal is positioned on the back surface of the protrusion on the opposite side from the side on which the second core member is mounted, and then bound to the terminals.