Abstract: A switchgear includes a movable part capable of reciprocating movement, a movable contact coupled to the movable part, a member that biases the movable contact, a latch capable of switching between a first state in which movement of the movable contact is restricted and a second state in which movement is permitted, a part that accommodates the movable part and the movable contact therein, a fixed contact provided outside of the accommodating part, and a moving part that moves with the movable contact. The latch is switched to the second state when the movable contact has moved against the biasing force. The accommodating part contains a first region and a second region, which is on a side of the fixed contact with respect to the first region within a range of movement of the moving part. The first region has an inner diameter smaller than that of the second region.

Abstract: An AC-DC converting apparatus includes: a boost circuit including a reactor supplied with power supply voltage output from an alternating-current power supply, a first leg including a first upper-arm element and a first lower-arm element connected in series, and a second leg connected in parallel with the first leg and including a second upper-arm element and a second lower-arm element connected in series, and boosting the power supply voltage; and a first voltage detecting unit detecting the power supply voltage. When the power supply voltage is positive, the AC-DC converting apparatus causes the first lower-arm element and the second upper-arm element to perform boosting operation alternately every power supply cycle that is cycle of the power supply voltage, and when the power supply voltage is negative, the AC-DC converting apparatus causes the first upper-arm element and the second lower-arm element to perform boosting operation alternately every power supply cycle.

Abstract: In a motor stator, terminal wires of a coil are led out respectively from a feed-side and a neutral-side coil end. With three circumferentially adjacent first-, second-, and third-phase coils as one set, the leading end portion and intermediate portion of one of three terminal wires led out from the neutral side are connected to each of the remaining terminal wires. A structure wherein the first- and second-phase terminal wires are connected together in one position, and the second- and third-phase terminal wires are connected together in a different position from the one position, is adopted, thus compacting the size of one wire connection portion.

Abstract: The invention provides an internal combustion engine combustion state detecting device such that ascertaining a combustion state using ionic current detection is carried out accurately over a wide operating range of an internal combustion engine. The internal combustion engine combustion state detecting device includes a spark plug that has a central electrode and a grounding electrode opposing across a gap, and a discharge stopping-induced current detecting device that estimates an induced current caused by a stopping of a spark discharge generated in the gap between the central electrode and the grounding electrode, wherein an ionic current detection threshold is set to a threshold value that is not affected by the induced current using the induced current estimated by the discharge stopping-induced current detecting device.

Abstract: To provide a two-dimensional photonic crystal surface emitting laser capable of improving characteristics of light to be emitted, in particular, optical output power. The two-dimensional photonic crystal surface emitting laser includes: a two-dimensional photonic crystal including a plate-shaped base member and modified refractive index regions where the modified refractive index regions have a refractive index different from that of the plate-shaped base member and are two-dimensionally and periodically arranged in the base member; an active layer provided on one side of the two-dimensional photonic crystal; and a first electrode and a second electrode provided sandwiching the two-dimensional photonic crystal and the active layer for supplying current to the active layer, where the second electrode covers a region equal to or wider than the first electrode.

Abstract: An outdoor unit for an air-conditioning apparatus includes: a casing having an opening portion of an air passage formed in a front panel; and a fan guard, which includes a plurality of vertical rails and a plurality of horizontal rails that are combined with each other, and is configured to cover the opening portion. The fan guard includes: an upper locking portion formed on an upper end portion of a vertical rail and lower locking portions formed on lower end portions of the vertical rails. The upper locking portion is formed by bending the upper end portion toward the casing side so as to be inclined downward. The lower locking portions are formed by bending toward the casing so that the distal ends are directed downward. The front panel has: upper and lower temporary fixing holes configured to receive the upper and lower locking portions to be inserted thereinto.

Abstract: A semiconductor device comprises: a ceramic substrate having conductor layers on both surfaces thereof; a semiconductor element joined to the upper surface conductor layer of the ceramic substrate; a frame member arranged on the upper surface conductor layer so as to surround a side surface of the semiconductor element; and an electrode, which is joined to an upper portion of the semiconductor element via a second fixing layer, and has fitting portions on a side surface of the electrode. On an inner wall of the frame member, fitting portions to be fitted to the fitting portions of the electrode and four positioning portions extending from the inner wall of the frame member to the side surfaces of the electrode are formed.

Abstract: An insulating film (2) is provided on a base material (1). The insulating film (2) is a compressive film in which a stress is applied in a direction of peeling away from the base material at a central portion. A recess (3) is formed in the central portion of the insulating film (2) so that a thickness is partially reduced.

Abstract: A noise eliminating device including: an acoustic sensor array including a first acoustic sensor at a vertex forming a vertex angle of an isosceles triangle, and second and third acoustic sensors at the other vertexes of the isosceles triangle, the first sensor being arranged on a bisector between two boundaries between a direction range in which a target sound source can exist and a direction range in which a noise source can exist; and the second and third sensors being arranged so that the boundaries coincide with a direction of a perpendicular bisector of a line segment connecting the first and second sensors, and a direction of a perpendicular bisector of a line segment connecting the first and third sensors; and a processor to use signals output from the sensors to output a signal obtained by enhancing sound from the target sound source and eliminating noise from the noise source.

Abstract: A display control apparatus controls a display used in a vehicle which can travel with automatic driving. The display control apparatus includes an information acquirer and a controller. The information acquirer acquires information of a travel control plan generated by an automatic driving control device of the vehicle. The controller acquires a future position which is a position of the vehicle after an elapse of a predetermined time from a current position of the vehicle from a future movement of the vehicle planned by the travel control plan, and controls the display so that a user is visually provided with the future position of the vehicle by overlapping a vehicle object which is a display object imitating a vehicle shape with a landscape relating to the future position which is acquired.

Abstract: Provided is a power control device, for a vehicle, that is excellent in efficient discharge of energy stored in a smoothing capacitor provided in the power control device. The level of an output voltage of a backup power supply unit for generating, from energy of the smoothing capacitor, drive power required for a discharge operation is switched so as to be equal to or higher than the level of the voltage of an auxiliary battery during the discharge operation. Accordingly, the power control device contributes to shortening of a time period for discharge of the smoothing capacitor, and contributes to reduction in the number of times of charging/discharging of the auxiliary battery since power supplied from the auxiliary battery can be reduced during the discharge operation.

Abstract: A registration destination determination device (50) determines which data management device, among a plurality of data management devices (20A, 20B), is to manage registration data, such that, with a data type constituting the registration data as a target type, an appearance frequency distribution of values set for the target type of the registration data managed by each of the plurality of data management devices (20A, 20B) is different from an appearance frequency distribution of values set for the target type of the registration data managed by the whole of the plurality of data management devices (20A, 20B).

Abstract: A wiring member to electrically connect a positive direct-current terminal and an alternating-current terminal to each other, the positive direct-current terminal being formed in a semiconductor element module, the alternating-current terminal being formed in a semiconductor element module, a positive potential being applied to the positive direct-current terminal, a positive potential and a negative potential being appropriately applied to the alternating-current terminal, the wiring member including an insulative partition formed on the wiring member, the insulative partition being upright so as to block the line of sight between the positive direct-current terminal and the alternating-current terminal.

Abstract: A technology capable of reducing contamination of a semiconductor substrate above which a nickel film is disposed is provided. A semiconductor device includes: a semiconductor substrate; an aluminum alloy film disposed on at least one of a front surface and a back surface of the semiconductor substrate; a catalyst metal film disposed above the aluminum alloy film and exhibiting catalytic activity for autocatalytic reaction that deposits nickel; an electroless nickel plating film disposed on the catalyst metal film; and a reactant layer disposed between the aluminum alloy film and the catalyst metal film and containing metal of the catalyst metal film.

Abstract: A ventilator includes an exhaust air duct for exhausting air from an interior space to an outside and a supply air duct for supplying air from the outside to the interior space, and is equipped with a heat exchanger and a defroster. The heat exchanger performs heat exchange between air passing through the exhaust air duct and air passing through the supply air duct. The defroster defrosts, when frost attaches to the heat exchanger, the heat exchanger by, after air flows into the exhaust air duct or the supply air duct, changing a state of the air.

Abstract: A transmitting station includes a transmitting antenna whose orientation direction is changeable, and a controller that controls the orientation direction of the transmitting antenna according to an orientation direction of the transmitting antenna determined together with receiving stations to receive data transmitted from the transmitting antenna based on estimate values of received signal quality at receiving stations that are candidates for receiving stations to receive data transmitted from the transmitting antenna. The transmitting station can maintain received signal quality at a plurality of receiving stations at a desired value or more in a data transmission system.

Abstract: A charging-discharging device includes a selection unit to acquire estimated load power data indicating estimation of power to be consumed by an electric load, to acquire estimated solar power-generation power data indicating estimation of power to be generated by a solar power generation system, and to select one of a plurality of specific operations regarding usage of power on the basis of the estimated load power data, the estimated solar power-generation power data, operational mode data indicating an operational mode that identifies a power utilization method, price data indicating a price of AC power to be supplied from a commercial system and a price of AC power to be supplied to the commercial system, power conversion efficiency data indicating power conversion efficiency of a power converter at the time of charging or discharging a storage battery, and current time data.

Abstract: A controller system includes a controller, and a plurality of input/output control devices connected in series with the controller so as to allow communication therebetween. Each of the plurality of input/output control devices is configured to be connected with a sensor device. Each of the plurality of input/output control devices calculates a one-shot timer activation counter based on a total number of the sensor devices being objects to activate a one-shot timer out of the sensor devices that are connected with another input/output control device between a subject input/output control device and the controller.

Abstract: A wireless control apparatus controls beamforming performed by a wireless base station apparatus that provides a communication service to a service area which includes a plurality of spots to be irradiated with a beam including a terminal search beam and a communication beam that are not used simultaneously for irradiation, and is irradiated with a plurality of the beams and is not simultaneously covered by the plurality of beams, and the apparatus includes: an arrival direction estimation unit that estimates an arrival direction of a wireless signal transmitted by a terminal communicating with a wireless base station; and a control unit that determines whether there is an active terminal in the spots on the basis of the arrival direction estimated by the arrival direction estimation unit, and, when it is determined that there is no active terminal, controls beamforming performed by the wireless base station apparatus to decrease a frequency of the terminal search beam with which one or more of the spots dete