Abstract: A door handle comprising: a housing mounted swingably with respect to a door of a vehicle; an antenna portion accommodated in the housing; an electrostatic-capacity sensor including an electrostatic-capacity detecting electrode, which is accommodated in the housing; and a conductive member which is formed between the electrostatic-capacity detecting electrode and the inner surface of the housing in a state of always being insulated with respect to the electrostatic-capacity detecting electrode.

Abstract: A manufacturing method of a coil component including the steps of: holding a plurality of semi-finished products, each of which includes a base and a coil before forming the coil component, with a jig having a holding portion; setting the plurality of semi-finished products held by the jig to the setting positions of the jig in a mold; and sealing at least a portion within the base and the coil with resin by filling the resin into a cavity of the mold.

Abstract: An antenna device includes: a plurality of cores arranged in series; a coil; and a capacitor connected to the coil, in which a first core, which is selected from the plurality of cores, and a second core, which is selected from the plurality of cores and is arranged on any one end portion side of the first core, are arranged apart from each other, and in which at least one end surface, which is selected from an end surface of the first core on a side on which the second core is arranged and an end surface of the second core on a side on which the first core is arranged, is located on an inner peripheral side of the coil.

Abstract: A manufacturing method of a coil component including the steps of: assembling and forming a coil assembly body in which a coil is attached to a magnetic-body core; and inputting the coil assembly body and a putty-like admixture including magnetic powders and a thermosetting resin into an inner cylindrical portion of a die, further including the steps of: pressing the admixture which is inputted into the inner cylindrical portion, applying vibration for giving shear force with respect to the admixture which is inputted into the inner cylindrical portion for decreasing the viscosity of the aforesaid admixture, and thermosetting and forming a magnetic cover portion by heating an integrated object comprised of the admixture which was applied with the vibration and the coil assembly body and by thermally-curing the thermosetting resin included in the admixture.

Abstract: An electric current detector which is mountable on a circuit board on which there is mounted a fluxgate-type magnetic sensor IC chip which detects magnetic flux for electric current detection, including: a substantially ring-shaped core which forms a magnetic-path for magnetic flux induced by detection-target electric current, wherein the core includes a gap which is arranged to become substantially parallel with respect to the circuit board when mounting the aforesaid electric current detector on the circuit board and which is at a place positioned on or on the upper side of the magnetic sensor IC chip in the magnetic-path when mounting the aforesaid electric current detector on the circuit board.

Abstract: An inductor (100) includes a pair of magnetic members (cores (10, 20)), a main body having coils (71, 72), and a sheet-formed fixation member (60), wherein the fixation member (60) is bound across the cores (10, 20) and the main body, to thereby fix the cores (10, 20) which configure a closed magnetic path, and to thereby fix at least one of the cores (10, 20) to the main body.

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 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: 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 transformer-bobbin including a winding-frame portion constituted by a middle barrel portion 63, a lower flange portion 62 and an upper flange portion 61, wherein there is provided a slit portion 67 which notches the terminal bed unit 65 and the lower flange portion 62 and concurrently which extends in the centrally approaching and separating direction toward the middle barrel portion 63 side, and wherein at the slit portion 67, there is provided a guide wall surface 68a whose side on the middle barrel portion 63 side is positioned on the lower flange portion side compared with whose side apart from the middle barrel portion 63.

Abstract: An ultrasonic motor (10) includes a vibrator (50) and an application means (oscillation circuit 80). A first vibrator area (51) and a second vibrator area (52), which form a vibrator (50), include piezoelectric elements polarized in the thickness direction, and fixed portions (30a, 30b) respectively. The oscillation circuit 80 applies an AC voltage to the piezoelectric elements respectively and makes the first vibrator area (51) and the second vibrator area (52) resonate individually in the surface-spreading directions. The ultrasonic motor (10) includes a coupling portion (55) for coupling vibration end portions (23a, 23b) each other and a contact element (60) which is provided on this coupling portion (55). The vibration end portions (23a, 23b) are positions which vibrate respectively in the approaching and separating directions by the resonances of the first vibrator area (51) and the second vibrator area (52) in the surface-spreading directions with respect to the fixed portions (30a, 30b).

Abstract: An electronic component includes a circuit board that includes a ground terminal connected to a ground potential, a coil component that is assembled on the circuit board, the coil component includes a T-shaped core and an air-core coil, a ground connection electrode that is assembled on the circuit board next to the coil component and that is connected to the ground terminal, and a mixture of a metal composite magnetic material and a resin that is formed on the circuit board and that covers the coil component and the ground connection electrode as a package. A part of the ground connection electrode is exposed outside the mixture.

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: Disclosed is a method for connecting a core wire of a wire rod covered with an insulating coating and pulled out from a coil component with a substrate by irradiating a laser beam, the method comprising the steps of: (a) forming a bond part between the wire rod and the substrate, the bond part being made of a material having a high optical absorptance for laser beam; and (b) irradiating a laser beam on an area to be connected under a state that at least one of the wire rod and the substrate is being pulled toward the other.

Abstract: A coil component includes: a bar-like core; and a winding part formed of a conducting wire that is wound in a plurality of layers around the outer periphery of the core according to a solenoidal winding method. Winding collapse preventing shifts D1 to D4 each corresponding to a plurality of turns between an end part of a lower winding layer and an end part of an upper winding layer are respectively set to both end parts in the winding width direction of winding layers of the winding part. In transitioning from the lower winding layer to the upper winding layer, the conducting wire is turned back from the end part of the lower winding layer, and is obliquely wound in a small number of turns across each winding collapse preventing shift corresponding to the plurality of turns, and dense winding of the upper winding layer is started.