Abstract: A power-supply circuit includes: a rectification circuit to output a rectified voltage obtained by rectifying an AC voltage; an inductor to be applied with the rectified voltage; a transistor to increase an inductor current when turned on; a diode to output the inductor current when the transistor is turned off; a capacitor to generate a DC voltage; a detection circuit to detect the inductor current; and a switching control circuit to perform switching of the transistor, when the detected current is smaller than a reference current, and stop switching of the transistor when the detected current is larger than the reference current, the target level corresponding to a level at which the diode is turned on when the rectified voltage rises, when the diode is turned on, the inductor and the capacitor respectively having inductance and capacitance values for allowing the inductor current larger than the reference current to flow.

Abstract: The present invention provides a vehicle seat which includes a seat frame, a seat cushion receiving member stretched across the seat frame, and a seat cushion placed on the seat cushion receiving member. In the vehicle seat, the seat cushion has such dimensions as to cover the seat frame as viewed in plan, and a lower surface of the seat cushion has a raised portion in a region covering the seat frame, and the raised portion is raised so as not to contact the seat frame.

Abstract: A ferrite composition comprises a main component and a sub component. The main component is comprised of 40.0 to 49.8 mol % iron oxide in terms of Fe2O3, 5.0 to 14.0 mol % copper oxide in terms of CuO, 0 to 32.0 mol % zinc oxide in terms of ZnO, and a remaining part of nickel oxide. The sub component includes 0.5 to 4.0 wt % tin oxide in terms of SnO2, 0.10 to 1.00 wt % bismuth oxide in terms of Bi2O3, and 0.21 to 3.00 wt % cobalt oxide in terms of Co3O4, with respect to the main component.

Abstract: A ferrite composition comprises a main component and a sub component. The main component is comprised of 25.0 to 49.8 mol % iron oxide in terms of Fe2O3, 5.0 to 14.0 mol % copper oxide in terms of CuO, 0 to 40.0 mol % zinc oxide in terms of ZnO, and a remaining part of nickel oxide. The sub component includes 0.2 to 5.0 wt % silicon oxide in terms of SiO2, 0.10 to 3.00 wt % bismuth oxide in terms of Bi2O3, and 0.10 to 3.00 wt % cobalt oxide in terms of Co3O4, with respect to the main component.

Abstract: A method for refining hot metal in a converter using a top-blowing lance having a refining powder supply channel, a combustion oxidizing gas supply channel, and a refining oxidizing gas supply channel that are separate from each other includes supplying at least one of a lime-based flux, iron oxide, and a combustible material as a refining powder from the refining powder supply channel to a surface of the hot metal using a fuel gas or a mixture of the fuel gas and an inert gas as a carrier gas while supplying a combustion oxidizing gas from the combustion oxidizing gas supply channel to form a flame below a leading end of the top-blowing lance, and supplying a refining oxidizing gas from the refining oxidizing gas supply channel to the surface of the hot metal.

Abstract: A turbocharger includes: a turbine housing including a through-hole through which a turbine impeller is bypassed; and a wastegate valve configured to open and close the through-hole. A biasing portion biases the wastegate valve and a support plate in opposite directions, and restrains rotation of the wastegate valve relative to the support plate.

Abstract: A top-blowing lance includes a refining oxygen gas blowing nozzle having a plurality of ejection openings through which oxygen gas is blown into an iron bath in a reaction vessel, the ejection openings being disposed along a circular orbit at intervals, and a burner nozzle having an axis coaxial with the central axis of the circular orbit, forming a flame inside the refining oxygen gas blowing nozzle, and having ejection openings for blowing a powder heated by the flame into the iron bath, wherein an indicator A that indicates the positional relationship between the ejection openings of the refining oxygen gas blowing nozzle and the ejection openings of the burner nozzle satisfies the specified conditions.

Abstract: A communication terminal device includes: a wireless unit configured to transmit and receive a radio wave; an operating circuit configured to be used for operating the communication terminal device; a battery configured to supply electric power to the communication terminal device; a power supply circuit configured to control supply of electric power from the battery; and an arithmetic processing unit configured to detect an operation on the operating circuit and a duration time of the operation, detect an external environment of the communication terminal device through the wireless unit, and calculate a first remaining battery amount of the battery based on the operation, the duration time, and the external environment.

Abstract: A turbocharger includes a semi-floating metal. The semi-floating metal is provided with a supply opening configured to supply oil to an inner bearing section. The turbocharger is provided with: an oil supply path which extends from inside of a bearing housing to the supply opening, and feeds the oil to be supplied to the inner bearing section; a removal section which changes a flowing direction of the oil supplied from an upstream side to separate minute foreign matter in the oil; and a conveyance path and a retaining region which collect the minute foreign matter separated by the removal section so as to prevent the minute foreign matter from mixing again with the oil flowing toward the supply opening.

Abstract: Provided is a punch tool which enables improvement in accuracy of processing a work by suppressing rattling between a punch body and a punch guide and eliminating almost all steps in a punched surface (cut surface) of the work. A punch tool includes a cylindrical punch guide; a punch body movably provided in the vertical directions in the punch guide; a punch head provided at an upper end of the punch body; a stripper spring provided on a lower side of the punch head; and a plurality of rotation control modules including key grooves and formed so as to vertically extend in the punch guide or the punch body and keys and which are provided in the punch body or the punch guide and are movably fitted in the vertical directions to the key grooves.

Abstract: The present invention provides a vehicle seat which includes a seat frame, a seat cushion receiving member stretched across the seat frame, and a seat cushion placed on the seat cushion receiving member. In the vehicle seat, the seat cushion has such dimensions as to cover the seat frame as viewed in plan, and a lower surface of the seat cushion has a raised portion in a region covering the seat frame, and the raised portion is raised so as not to contact the seat frame.

Abstract: The present invention provides a vehicle seat which includes a seat back including a seat back body and an upholstery that covers front, back, and upper surfaces and both side surfaces of the seat back body. In the vehicle seat, the seat back body includes a frame having a frame shape and serving as a framework, a front-side cover portion placed so as to cover a front side of an inner space of the frame and supporting a back of a seated occupant, and a back-side cover portion placed so as to cover a rear side of the inner space. The front-side cover portion and the back-side cover portion are covered by the upholstery. The back-side cover portion includes a flexible back-side sheet body stretched across the frame.

Abstract: A ferrite composition includes a main component having 46.0 to 49.8 mol % of an iron oxide in terms of Fe2O3, 5.0 to 14.0 mol % of a copper oxide in terms of CuO and 8.0 to 32.0 mol % of a zinc oxide in terms of ZnO, and a remainder of the main component is composed of a nickel oxide; and as subcomponents, with respect to 100 wt % of the main component, 0.5 to 6.0 wt % of a silicon oxide in terms of SiO2 and 0.01 to 2.0 wt % of a boron oxide in terms of B2O3. Further, as a subcomponent, 0.01 to 0.17 wt % of potassium oxide in terms of K2O or 0.3 to 2.0 wt % of tin oxide in terms of SnO2 may be included.

Abstract: A semiconductor device including a substrate, an insulation film being embedded into the substrate and having multiple openings, multiple dummy diffusion layers formed in the substrate and located in the openings, multiple resistance elements being formed over the insulation film so as not to overlap the dummy diffusion layers in a plan view in a resistance element forming region and extending in a first direction, and multiple dummy resistance elements being formed over the insulation film and the dummy diffusion layers and extending in the first direction in the resistance element forming region, in which each of the dummy resistance elements overlaps at least two dummy diffusion layers aligning in a second direction perpendicular to the first direction in a plane horizontal to the substrate in a plan view.