Abstract: A wireless communication system includes a first coupler having a first pair of electrodes and second coupler having a second pair of electrodes that at least partially oppose the first pair of electrodes. A transmission circuit applies a differential signal to the first coupler. A reception circuit receives a differential signal output from the second coupler based on electromagnetic coupling between the first coupler and the second coupler. A distance between centroids of the first pair of electrodes differs from a distance between centroids of the second pair of electrodes.

Abstract: A wireless communication system includes a first coupler having a first pair of electrodes and second coupler having a second pair of electrodes that at least partially oppose the first pair of electrodes. A transmission circuit applies a differential signal to the first coupler. A reception circuit receives a differential signal output from the second coupler based on electromagnetic coupling between the first coupler and the second coupler. A distance between centroids of the first pair of electrodes differs from a distance between centroids of the second pair of electrodes.

Abstract: A wireless communication system includes a first coupler having a first pair of electrodes and second coupler having a second pair of electrodes that at least partially oppose the first pair of electrodes. A transmission circuit applies a differential signal to the first coupler. A reception circuit receives a differential signal output from the second coupler based on electromagnetic coupling between the first coupler and the second coupler. A distance between centroids of the first pair of electrodes differs from a distance between centroids of the second pair of electrodes.

Abstract: A wireless communication system includes a first coupler having a first pair of electrodes and second coupler having a second pair of electrodes that at least partially oppose the first pair of electrodes. A transmission circuit applies a differential signal to the first coupler. A reception circuit receives a differential signal output from the second coupler based on electromagnetic coupling between the first coupler and the second coupler. A distance between centroids of the first pair of electrodes differs from a distance between centroids of the second pair of electrodes.

Abstract: A manufacturing method of a processed resin substrate includes: preparing a resin substrate including a resin layer and a metal layer that covers at least a part of one surface of the resin layer; and forming a through hole in the resin substrate by irradiating the resin substrate with pulsed laser light. In the forming of the through hole, an interval of irradiation of the pulsed laser light at each point on the resin substrate is 5 msec or more.

Abstract: A manufacturing method of a processed resin substrate includes: preparing a resin substrate including a resin layer and a metal layer that covers at least a part of one surface of the resin layer; and forming a through hole in the resin substrate by irradiating the resin substrate with pulsed laser light. In the forming of the through hole, an interval of irradiation of the pulsed laser light at each point on the resin substrate is 5 msec or more.

Abstract: A method for manufacturing an optical-semiconductor device, including forming a plurality of first and second electrically conductive members that are disposed separately from each other on a support substrate; providing a base member formed from a light blocking resin between the first and second electrically conductive members; mounting an optical-semiconductor element on the first and/or second electrically conductive member; covering the optical-semiconductor element by a sealing member formed from a translucent resin; and obtaining individual optical-semiconductor devices after removing the support substrate.

Abstract: A wireless communication system includes a first differential signal line, a differential coupler, and an electronic circuit. The differential coupler has a second differential signal line to perform wireless communication of a differential signal with the first differential signal line via electromagnetic field coupling. The electronic circuit is connected to the differential coupler via a wired transmission path to process the differential signal. A surface of a board or a ground pattern of the electronic circuit is inclined or upright with respect to the second differential signal line so as to separate away from a direction in which the first differential signal line extends.

Abstract: A wireless communication system operable to transmit a signal using an electric field coupling that is caused by a transmission coupler provided in a first apparatus being arranged close to a reception coupler provided in a second apparatus, wherein the second apparatus has a reception circuit that is connected to the reception coupler, and the reception circuit, in a case where a coupling capacitance between the transmission coupler and the reception coupler is C and a basic angular frequency of the signal is ?, has a termination resistor that is larger than 10/?C.

Abstract: A method for manufacturing an optical-semiconductor device, including forming a plurality of first and second electrically conductive members that are disposed separately from each other on a support substrate; providing a base member formed from a light blocking resin between the first and second electrically conductive members; mounting an optical-semiconductor element on the first and/or second electrically conductive member; covering the optical-semiconductor element by a sealing member formed from a translucent resin; and obtaining individual optical-semiconductor devices after removing the support substrate.

Abstract: A wireless power transfer system includes: (a) an annular first substrate, a first coil, a second coil, and an annular second substrate that are stacked such that central axes of those substantially coincide with each other; (b) a power transmission circuit, implemented on the first substrate, for applying a voltage to the first coil; and (c) a power reception circuit, implemented on the second substrate, for rectifying an electric current that is generated at the second coil through electromagnetic induction and/or magnetic resonance. The second substrate is a multilayer substrate that includes a first layer provided with a ground pattern and a second layer provided with a power supply pattern, and includes slit portions where the patterns are not present as viewed from a direction of the central axes.

Abstract: A wireless communication system includes a first coupler having a first pair of electrodes and second coupler having a second pair of electrodes that at least partially oppose the first pair of electrodes. A transmission circuit applies a differential signal to the first coupler. A reception circuit receives a differential signal output from the second coupler based on electromagnetic coupling between the first coupler and the second coupler. A distance between centroids of the first pair of electrodes differs from a distance between centroids of the second pair of electrodes.

Abstract: A light emitting device is provided. The light emitting device includes a light emitting element, a wavelength converting member, a light transmissive member, an adhesive member, and a light reflective member. The wavelength converting member has an upper surface and lateral surfaces, contains a fluorescent substance, and is placed on the light emitting element. The light transmissive member covers the upper surface of the wavelength converting member. The adhesive member is interposed between the light emitting element and the wavelength converting member, and covers the lateral surfaces of the wavelength converting member. The light reflective member covers the lateral surfaces of the wavelength converting member via the adhesive member.

Abstract: A light emitting device includes: a light emitting element; a wavelength conversion member disposed on or above an upper surface of the light emitting element; a light-transmissive member disposed on an upper surface of the wavelength conversion member; and a light reflective member disposed on each side surface of the light emitting element, the wavelength conversion member, and the light-transmissive member, wherein an upper surface of the light reflective member is coplanar with an upper surface of the light-transmissive member, and wherein each of the upper surface of the light reflective member and the upper surface of the light-transmissive member is a cut surface.

Abstract: A wireless communication system includes a first coupler having a first pair of electrodes and second coupler having a second pair of electrodes that at least partially oppose the first pair of electrodes. A transmission circuit applies a differential signal to the first coupler. A reception circuit receives a differential signal output from the second coupler based on electromagnetic coupling between the first coupler and the second coupler. A distance between centroids of the first pair of electrodes differs from a distance between centroids of the second pair of electrodes.

Abstract: A wireless communication system includes a first differential signal line, a differential coupler, and an electronic circuit. The differential coupler has a second differential signal line to perform wireless communication of a differential signal with the first differential signal line via electromagnetic field coupling. The electronic circuit is connected to the differential coupler via a wired transmission path to process the differential signal. A surface of a board or a ground pattern of the electronic circuit is inclined or upright with respect to the second differential signal line so as to separate away from a direction in which the first differential signal line extends.

Abstract: A wireless communication system includes a first coupler having a first pair of electrodes and second coupler having a second pair of electrodes that at least partially oppose the first pair of electrodes. A transmission circuit applies a differential signal to the first coupler. A reception circuit receives a differential signal output from the second coupler based on electromagnetic coupling between the first coupler and the second coupler. A distance between centroids of the first pair of electrodes differs from a distance between centroids of the second pair of electrodes.

Abstract: A wireless power transfer system includes: (a) an annular first substrate, a first coil, a second coil, and an annular second substrate that are stacked such that central axes of those substantially coincide with each other; (b) a power transmission circuit, implemented on the first substrate, for applying a voltage to the first coil; and (c) a power reception circuit, implemented on the second substrate, for rectifying an electric current that is generated at the second coil through electromagnetic induction and/or magnetic resonance. The second substrate is a multilayer substrate that includes a first layer provided with a ground pattern and a second layer provided with a power supply pattern, and includes slit portions where the patterns are not present as viewed from a direction of the central axes.

Abstract: There is provided a configuration that can prevent malfunction in bus communication even when a radio signal transmitted from a transmitter of an apparatus is received with a receiver of the same apparatus. A logic circuit outputs logic 1 to a transmitter in a case where logic 0 is input from a receiver to the logic circuit and a low-level logic signal is input from a processor to the logic circuit. The logic circuit outputs the low-level logic signal to the processor in a case where the logic 1 is input from the receiver and a radio signal received with the receiver is a radio signal transmitted from a communication counterpart. The logic circuit outputs a high-level logic signal to the processor in a case where the logic 1 is input from the receiver and a radio signal received with the receiver is a radio signal transmitted from the transmitter.

Abstract: A light emitting device includes a light emitting element, a terminal substrate and a fixing member. The light emitting element is a semiconductor laminate having a first semiconductor layer, a light emitting layer, and a second semiconductor layer that are laminated in that order, a first electrode connected to the first semiconductor layer, and a second electrode connected to the second semiconductor layer. The terminal substrate includes a pair of terminals connected to the first electrode and the second electrode, and an insulator layer that fixes the terminals. At least a part of the outer edges of the terminal substrate is disposed more to a center of the light emitting device than the outer edges of the semiconductor laminate. The fixing member fixes the light emitting element and the terminal substrate.