Abstract: A curable composition capable of manufacturing a cured product having a high refractive index is provided. The curable composition contains a polymerizable compound represented by formula (1) and inorganic particles. In formula (1), La represents a divalent linking group, and the divalent linking group includes at least one of a divalent aromatic group, a divalent polycyclic aliphatic group and an alkylene group having an aromatic group, Ar represents an aromatic group, and R represents an aromatic group optionally having one or more substituents or a polycyclic aliphatic group optionally having one or more substituents.

Abstract: A curable composition capable of manufacturing a cured product having a high refractive index is provided. The curable composition contains a polymerizable compound represented by formula (1) and inorganic particles. In formula (1), La represents a divalent linking group, and the divalent linking group includes at least one of a divalent aromatic group, a divalent polycyclic aliphatic group and an alkylene group having an aromatic group, Ar represents an aromatic group, and R represents an aromatic group optionally having one or more substituents or a polycyclic aliphatic group optionally having one or more substituents.

Abstract: An equivalent circuit of a converter (4) is represented by a series connection between an equivalent capacitor (41) and an equivalent resistor (42), and the converter (4) includes a controller that adjusts a power factor of the input power by controlling a capacitive reactance (Xc) of the equivalent capacitor (41).

Abstract: Provided is a coil mounting structure for a device that comprises a primary coil to be supplied with an alternating current, and a secondary coil arranged facing the primary coil and configured to supply an electric power to a load provided in a housing by using an induced voltage generated by an electromagnetic field produced by the primary coil. The coil mounting structure comprises at least one mounting part provided in a region of the housing, the region facing the primary coil, and the at least one mounting part is configured to hold the secondary coil to the housing. The at least one mounting part comprises at least one gap area configured to interrupt a circuit generated by the at least one mounting part.

Abstract: An equivalent circuit of a converter (4) is represented by a series connection between an equivalent capacitor (41) and an equivalent resistor (42), and the converter (4) includes a controller that adjusts a power factor of the input power by controlling a capacitive reactance (Xc) of the equivalent capacitor (41).

Abstract: In a power supply device, the bridge circuit is configured by connecting, in parallel, a plurality of series circuits of an inverse-parallel connection circuit of a semiconductor switch and a diode. A control unit controls switching of a semiconductor switch so that a voltage v between AC terminals becomes zero voltage in equal periods ? before and after a center point shifted from one zero crossing point in one cycle of the input current by a compensation period (angle) ? calculated from a voltage applied to a resonance circuit constituted by the power receiving coil and a resonance capacitor Cr and an induced voltage of the power receiving coil, and becomes a positive-negative voltage whose peak value is the voltage Vo between DC terminals in other periods.

Abstract: An electric power receiving device in one aspect of embodiments of the present disclosure comprises an electric power receiving section and a converting section. The converting section comprises a compensation voltage generating section. The compensation voltage generating section generates a compensation voltage capable of canceling out a reactance component in the electric power receiving section, and applies the compensation voltage to the electric power receiving section. The compensation voltage generating section comprises a phase changing section, a physical quantity detecting section, and a searching section. The searching section searches a target phase of the compensation voltage that brings the electric power receiving device into a substantially resonant state, based on a physical quantity detected by the physical quantity detecting section.

Abstract: An electric power receiving device according to the invention receives an electric power from a primary coil, with which a first alternating voltage is applied and through which a first alternate current flows. The device includes an electric power receiving section and a reducing-voltage generating section. The receiving section includes a secondary coil electromagnetically coupled to the primary coil and a capacitor connected to the secondary coil, and generates a second alternating voltage based upon the first alternating current. The generating section generates a reducing-voltage and applies the reducing-voltage to the receiving section, the reducing-voltage being capable of reducing a reactance voltage generated in the receiving section by a second alternating current generated in the receiving section due to the second alternating voltage, and the reducing-voltage being approximately equal to the second alternating voltage in frequency.

Abstract: A transformer includes a primary coil, a secondary coil, and a core. The core is to be used in combination with the primary coil or the secondary coil, and includes a conductor storage part and a central part. The conductor storage part is a concave recess formed in an annular manner and configured to store a conductor of the coil therein. The central part is a region inward from the conductor when the core is used in combination with the coil. The central part has a recessed shape having an opening that opens toward a direction opposite to a direction of an opening of the concave recess. The central part has an end, at a side opposite to a side of the opening of the central part, which is generally flat so as to be contiguous with an inner opening edge of the conductor storage part.

Abstract: In a power supply device, the bridge circuit including a plurality of switching arms which is an inverse-parallel circuit of a semiconductor switch and a diode. The power supply device includes a control unit. The control unit switches the semiconductor switch such that a voltage v between AC terminals becomes a positive-negative voltage whose peak value is the voltage Vo between the DC terminals only during prescribed time periods before and after a point that has deviated from each zero crossing point ZCP of a current i by a prescribed compensation period ? and such that the voltage v between the AC terminals becomes a zero voltage during the other time periods, and sets the compensation period ? such that a time period during which the voltage v between the AC terminals becomes a zero voltage is the shortest.

Abstract: A strobe device of the present invention includes a flash discharge tube having an anode electrode and a cathode electrode on both ends thereof, and a conductive reflector in contact with an outer peripheral surface of the flash discharge tube. The reflector houses a part of the flash discharge tube inside, and functions as an external trigger electrode. The reflector has a bottom that is in contact with a portion of the outer peripheral surface of the flash discharge tube, the portion covering at least an area between the anode electrode and the cathode electrode and a sintered metal of the cathode electrode. This can suppress variation in discharge path at every light emission from the flash discharge tube. As a result, variation in light quantity and variation in light distribution of light emitted from the strobe device can be suppressed.

Abstract: In a power supply device, the bridge circuit including a plurality of switching arms which is an inverse-parallel circuit of a semiconductor switch and a diode. The power supply device includes a control unit. The control unit switches the semiconductor switch such that a voltage v between AC terminals becomes a positive-negative voltage whose peak value is the voltage Vo between the DC terminals only during prescribed time periods before and after a point that has deviated from each zero crossing point ZCP of a current i by a prescribed compensation period ? and such that the voltage v between the AC terminals becomes a zero voltage during the other time periods, and sets the compensation period ? such that a time period during which the voltage v between the AC terminals becomes a zero voltage is the shortest.

Abstract: In a power supply device, the bridge circuit is configured by connecting, in parallel, a plurality of series circuits of an inverse-parallel connection circuit of a semiconductor switch and a diode. A control unit controls switching of a semiconductor switch so that a voltage v between AC terminals becomes zero voltage in equal periods ? before and after a center point shifted from one zero crossing point in one cycle of the input current by a compensation period (angle) ? calculated from a voltage applied to a resonance circuit constituted by the power receiving coil and a resonance capacitor Cr and an induced voltage of the power receiving coil, and becomes a positive-negative voltage whose peak value is the voltage Vo between DC terminals in other periods.

Abstract: An object is to provide a thiazole derivative produced from easily available raw materials by a simplified production process. Provided are a process for producing a novel thiazole derivative represented by the general formula (I), which is characterized by adding a strong base to a thioamide represented by the general formula (II) and reacting the mixture with a thioformamide represented by the general formula (III), and a novel thiazole derivative.

Abstract: An organic electroluminescence (EL) device comprising an organic EL material represented by the following Formula (1):

Abstract: A strobe device of the present invention includes a flash discharge tube having an anode electrode and a cathode electrode on both ends thereof, and a conductive reflector in contact with an outer peripheral surface of the flash discharge tube. The reflector houses a part of the flash discharge tube inside, and functions as an external trigger electrode. The reflector has a bottom that is in contact with a portion of the outer peripheral surface of the flash discharge tube, the portion covering at least an area between the anode electrode and the cathode electrode and a sintered metal of the cathode electrode. This can suppress variation in discharge path at every light emission from the flash discharge tube. As a result, variation in light quantity and variation in light distribution of light emitted from the strobe device can be suppressed.

Abstract: A strobe device having small variations in the amount of light includes the following components: a flash discharge tube having an anode on one side and a cathode on the other side, the cathode having a metal sintered body at an end thereof; a conductive reflector composing an external trigger electrode, and storing a part of the flash discharge tube; and a trigger coil having a primary winding and a secondary winding around a hollow core. A portion of the cathode of the flash discharge tube not including the metal sintered body is inserted into the core of the trigger coil. The reflector, which is connected to the secondary winding of the trigger coil, has a bottom in contact with the outer peripheral surface of the flash discharge tube in such a manner as to cover at least the region extending from the anode to the cathode and the metal sintered body.

Abstract: A discharge tube includes a reflective film formed on an outer periphery of a cylindrical glass bulb by metal deposition. The reflective film is deposited in a range of 240° or more in the circumferential direction, and the range being larger in a center part than at each end in the axial direction. A stroboscopic device is equipped with this discharge tube.

Abstract: A strobe device of the present invention includes a cylindrical flashtube, a reflector for reflecting light coming from the flashtube, a trigger circuit for applying a trigger voltage to the reflector, and a conductive abutting section that is disposed on at least one of the flashtube and reflector and abuts on at least the other of the flashtube and reflector. The conductive abutting section is disposed in the axial direction of the flashtube. Thus, a strobe device that generates light of stable brightness can be achieved.

Abstract: A light emitting device includes a glass bulb and a reflective film formed in a region having an angle of at least 230° on an outer peripheral surface of the glass bulb. The light emitting device can obtain the reflective film having a sufficient film thickness in a wide region on an outer peripheral surface of an electric discharge tube and has a uniform light intensity distribution.