Abstract: A wireless power receiver device includes a sheet-like electrode sheet section and a power receiver section. The electrode sheet section includes a power receiver side active electrode and a power receiver side passive electrode that are substantially coplanar and formed into sheet-like shapes; lead lines that are coplanar with both the electrodes, extended from the respective electrodes, and formed into sheet-like shapes; and an insulation sheet that covers both the electrodes and both the lead lines from both sides thereof. The power receiver section includes a step-down unit that steps down an alternating-current voltage induced between end portions of the lead lines; a power receiver module that rectifies and smoothes the alternating-current voltage that is stepped down by the step-down unit; and a connector for outputting an output voltage of the power receiver module.

Abstract: A circuit module equipped with a primary coil of a step-down transformer formed by primary coils of a plurality of transformer elements connected in series with each other and a secondary coil formed by secondary coils of the transformer elements connected in series with each other, includes a printed substrate on which the transformer elements are mounted in a lengthwise direction, a connection terminal coupled to a first end of the primary coil of the step-down transformer and connection terminals coupled to the secondary coil of the step-down transformer, the connection terminals are positioned such that the transformer elements are interposed therebetween. As a result, provided are a transformer module that reduces the effect of a high-voltage portion on a low-voltage portion by securing a distance between the high-voltage portion and the low-voltage portion, and a power reception device and a power transmission device equipped with the transformer module.

Abstract: An active electrode and a passive electrode provided in a power transmitting apparatus 10 are connected to an inductor provided on the secondary side of a transformer generating an AC voltage and are respectively coupled to an active electrode and a passive electrode of a power receiving apparatus through electric fields. A ground electrode of the power transmitting apparatus faces the active electrode and the passive electrode and a ground electrode of the power receiving apparatus faces the active electrode and the passive electrode. A plurality of openings are formed in such a manner as to form a lattice in each of the ground electrodes.

Abstract: A power transmitting apparatus includes an active electrode, a passive electrode, a voltage generating circuit that applies a voltage between the active electrode and the passive electrode, and a reference potential electrode connected to a reference potential. A power receiving apparatus includes an active electrode, a passive electrode, a secondary battery connected between the active electrode and the passive electrode, and a reference potential electrode connected to a reference potential. Power is transmitted from the power transmitting apparatus to the power receiving apparatus as a result of the respective electrodes facing each other and being capacitively coupled to each other when the power receiving apparatus is mounted to the power transmitting apparatus.

Abstract: In a transceiver, on a top surface of a rectangular plate-shaped substrate, transmission radiating elements and receiving radiating elements are provided. The transmission radiating elements extend in the horizontal or lateral direction from the center of the substrate. The receiving radiating elements extend in the vertical or longitudinal direction from the center of the substrate. Inductors included in a matching feeding element are individually electromagnetically coupled to transmission-side feeding points that are inner end portions of the transmission radiating elements and receiving-side feeding points that are inner end portions of the receiving radiating elements. A transmission signal is transmitted with a wave polarized in the horizontal or lateral direction, and a signal having a vertical or longitudinal polarization direction is received.

Abstract: A radio IC device includes a flexible dielectric base, a radiation element that is a metal film or a metal foil wrapped around the dielectric base, and a radio IC element mounted on the radiation element. The radiation element includes, in a portion other than a portion where the radio IC element is disposed, a bonded portion that is bonded to the dielectric element and a non-bonded portion that is not bonded to the dielectric element. The radio IC element is arranged to be directly opposed to the dielectric element with the portion of the radiation element where the radio IC element is disposed not bonded to the dielectric base.

Abstract: A power transmission device includes a power-transmission-side active electrode and a power-transmission-side passive electrode. A power reception device includes a power-reception-side active electrode and a power-reception-side passive electrode. The power transmission device and the power reception device can be shifted along an X axis up to a maximum shift distance from a standard arrangement where electrode centers of the power-transmission-side active electrode and the power-reception-side active electrode oppose and are superposed with each other while maintaining the opposition surface area between the power-transmission-side active electrode and the power-reception-side active electrode.

Abstract: A wireless power receiver device includes a sheet-like electrode sheet section and a power receiver section. The electrode sheet section includes a power receiver side active electrode and a power receiver side passive electrode that are substantially coplanar and formed into sheet-like shapes; lead lines that are coplanar with both the electrodes, extended from the respective electrodes, and formed into sheet-like shapes; and an insulation sheet that covers both the electrodes and both the lead lines from both sides thereof. The power receiver section includes a step-down unit that steps down an alternating-current voltage induced between end portions of the lead lines; a power receiver module that rectifies and smoothes the alternating-current voltage that is stepped down by the step-down unit; and a connector for outputting an output voltage of the power receiver module.

Abstract: An antenna device includes an antenna element and an impedance conversion circuit connected to the antenna element. The impedance conversion circuit is inserted between the antenna element and a feeding circuit, and includes a first series circuit where a first coil conductor and a second coil conductor are connected in series, and a second series circuit where a third coil conductor and a fourth coil conductor are connected in series. The first and second coil conductors define a closed magnetic circuit through which a closed loop of a first magnetic flux passes, and the third and fourth coil conductors define a closed magnetic circuit through which a closed loop of a second magnetic flux passes. Consequently, the antenna device performs impedance matching with the feeding circuit in a wide frequency band.

Abstract: An active electrode and a passive electrode provided in a power transmitting apparatus 10 are connected to an inductor provided on the secondary side of a transformer generating an AC voltage and are respectively coupled to an active electrode and a passive electrode of a power receiving apparatus through electric fields. A ground electrode of the power transmitting apparatus faces the active electrode and the passive electrode and a ground electrode of the power receiving apparatus faces the active electrode and the passive electrode. A plurality of openings are formed in such a manner as to form a lattice in each of the ground electrodes.

Abstract: A power transmission system is provided which is able to perform stable data communication with high communication sensitivity even when data communication and power transmission are performed at the same time. At least a third coupling electrode pair of first to third coupling electrode pairs is a reference electrode pair connected to a reference potential, one end of a first communication portion is connected to a reference potential of a power transmitting apparatus, and one end of a second communication portion is connected to a reference potential of a power receiving apparatus. Another end of the first communication portion is connected to either one of a power transmitting apparatus-side first or second coupling electrode, and another end of the second communication portion is connected to either one of a power receiving apparatus-side first or second coupling electrode.

Abstract: A power transmitting apparatus includes an active electrode, a passive electrode, a voltage generating circuit that applies a voltage between the active electrode and the passive electrode, and a reference potential electrode connected to a reference potential. A power receiving apparatus includes an active electrode, a passive electrode, a secondary battery connected between the active electrode and the passive electrode, and a reference potential electrode connected to a reference potential. Power is transmitted from the power transmitting apparatus to the power receiving apparatus as a result of the respective electrodes facing each other and being capacitively coupled to each other when the power receiving apparatus is mounted to the power transmitting apparatus.

Abstract: An antenna device includes an antenna element and an impedance conversion circuit connected to the antenna element. The impedance conversion circuit is inserted between the antenna element and a feeding circuit, and includes a first series circuit where a first coil conductor and a second coil conductor are connected in series, and a second series circuit where a third coil conductor and a fourth coil conductor are connected in series. The first and second coil conductors define a closed magnetic circuit through which a closed loop of a first magnetic flux passes, and the third and fourth coil conductors define a closed magnetic circuit through which a closed loop of a second magnetic flux passes. Consequently, the antenna device performs impedance matching with the feeding circuit in a wide frequency band.

Abstract: A radio IC device includes a flexible dielectric base, a radiation element that is a metal film or a metal foil wrapped around the dielectric base, and a radio IC element mounted on the radiation element. The radiation element includes, in a portion other than a portion where the radio IC element is disposed, a bonded portion that is bonded to the dielectric element and a non-bonded portion that is not bonded to the dielectric element. The radio IC element is arranged to be directly opposed to the dielectric element with the portion of the radiation element where the radio IC element is disposed not bonded to the dielectric base.

Abstract: In a transceiver, on a top surface of a rectangular plate-shaped substrate, transmission radiating elements and receiving radiating elements are provided. The transmission radiating elements extend in the horizontal or lateral direction from the center of the substrate. The receiving radiating elements extend in the vertical or longitudinal direction from the center of the substrate. Inductors included in a matching feeding element are individually electromagnetically coupled to transmission-side feeding points that are inner end portions of the transmission radiating elements and receiving-side feeding points that are inner end portions of the receiving radiating elements. A transmission signal is transmitted with a wave polarized in the horizontal or lateral direction, and a signal having a vertical or longitudinal polarization direction is received.

Abstract: A component-embedded module includes a module substrate having wiring electrodes on the upper surface thereof, first circuit components mounted on the wiring electrodes, a sub-module disposed on an area on which no wiring electrodes are provided, and an insulating resin layer provided on substantially the entire upper surface of the module substrate such that the insulating resin layer covers at least a portion of the first circuit components and sub-module. The second circuit components including an integrated circuit element are mounted on the sub-module or embedded therein. Via conductors are provided through the module substrate from the lower surface thereof and are directly coupled to terminal electrodes on the lower surface of the sub-module. By using a substrate having a wiring greater accuracy than that of the module substrate, a reliable component-embedded module is obtained.

Abstract: A component incorporating module includes an insulation resin layer, a plurality of lands arranged to mount components and wiring patterns connected to the plurality of lands, which are arranged along a first main surface of the resin layer, and circuit components connected to the lands to mount components. The circuit components are embedded in the resin layer. The plurality of lands have thicknesses that are greater than those of the wiring patterns adjacent to the corresponding lands.

Abstract: A component-embedded module includes a module substrate having wiring electrodes on the upper surface thereof, first circuit components mounted on the wiring electrodes, a sub-module disposed on an area on which no wiring electrodes are provided, and an insulating resin layer provided on substantially the entire upper surface of the module substrate such that the insulating resin layer covers at least a portion of the first circuit components and sub-module. The second circuit components including an integrated circuit element are mounted on the sub-module or embedded therein. Via conductors are provided through the module substrate from the lower surface thereof and are directly coupled to terminal electrodes on the lower surface of the sub-module. By using a substrate having a wiring greater accuracy than that of the module substrate, a reliable component-embedded module is obtained.

Abstract: A module substrate defined by an aggregate substrate is prepared, and circuit components are mounted on the module substrate. An insulating resin layer is formed on substantially the entire top surface of the module substrate such that the circuit components are disposed in the insulating resin layer, and a top-surface-shielding layer is formed on the top surface of the insulating resin layer. First through holes are formed in the module substrate and the insulating resin layer at locations corresponding to portions of boundary lines of small substrates so as to extend in a thickness direction of the module substrate and the insulating resin layer. First electrode films are formed on the inner surfaces of the first through holes so as to be connected to the first shielding layer, and the first through holes are filled with a filling material.

Abstract: A module substrate defined by an aggregate substrate is prepared, and circuit components are mounted on the module substrate. An insulating resin layer is formed on substantially the entire top surface of the module substrate such that the circuit components are disposed in the insulating resin layer, and a top-surface-shielding layer is formed on the top surface of the insulating resin layer. First through holes are formed in the module substrate and the insulating resin layer at locations corresponding to portions of boundary lines of small substrates so as to extend in a thickness direction of the module substrate and the insulating resin layer. First electrode films are formed on the inner surfaces of the first through holes so as to be connected to the first shielding layer, and the first through holes are filled with a filling material.