Abstract: An electric compressor includes: a housing; a compression mechanism accommodated in the housing and configured to compress a fluid; a motor accommodated in the housing and configured to drive the compression mechanism; an inverter accommodated in the housing and configured to drive the motor; and a hermetic terminal disposed in the housing, and electrically connecting the motor and the inverter. The hermetic terminal includes: a conductive member made of a conductive material; a support plate having a plate-like shape and made of metal; and an insulator. The support plate supports the conductive member. The insulator provides electrical insulation between the conductive member and the support plate. The electric compressor includes a reinforcing plate having a plate-like shape. The support plate and the reinforcing plate for enhancing rigidity of the support plate are fastened together to the housing by a fastening member.

Abstract: An electric compressor includes a compression part, a motor, and an inverter. The inverter has a circuit board and a connector mounted on the circuit board, the connector having a case in which a connecting terminal that is electrically connected to a circuit pattern formed on the circuit board is accommodated. The circuit board has a through hole. The case has a protruding portion that is inserted into the through hole and in which an insertion port is opened, the insertion port guiding a lead that is electrically connected to the connecting terminal toward the connecting terminal. A hole from which the lead is exposed is formed on a side of the case opposite to the insertion port across the connecting terminal.

Abstract: Provided is a traffic facility control system capable of achieving both ensuring of physical safety of a moving person and reduction of a psychological burden on the moving person. The traffic facility control system according to the present disclosure includes: a detection unit configured to detect a moving ability of a person; a determination unit configured to determine a psychological state of the person; and a control unit configured to control a traffic facility installed at at least one of the vicinity of a current position of the person, a position on a route along which the person moves, or a position along the route based on the moving ability of the person and the psychological state of the person.

Abstract: A switching element includes a conductive member and a plastic member having a rectangular parallelepiped shape. The plastic member includes a first end surface, a second end surface, and a first side surface. The conductive member includes a heat generating portion exposed on the first side surface. The switching element is arranged in an inverter-accommodating chamber such that the longitudinal direction of the plastic member extends in an axial direction of a rotary shaft. A heat dissipation member made of metal is arranged between the switching element and a partitioning wall. The heat dissipation member includes a first heat dissipation portion arranged between the heat generating portion and the partitioning wall, and a second heat dissipation portion that is continuous with the first heat dissipation portion and arranged between the second end surface and the partitioning wall.

Abstract: A first exemplary aspect is a health promotion system using a computer, the health promotion system including: a door mechanism configured to be opened by an operation performed by a person; a control unit configured to control the door mechanism; and identification information acquisition unit that acquires identification information for identifying the person who operates the door mechanism. The control unit acquires health condition information indicating a health condition of the person, determines whether or not the health condition satisfies a target value that is predetermined for the person identified by the identification information, and increases an exercise load of the operation for opening the door mechanism when the health condition does not satisfy the target value.

Abstract: A motor-driven compressor and a housing for the motor-driven compressor are provided. A power line connector and a communication line connector are arranged on an external surface of a housing. A first terminal of an interlocking communication line is located in the power line connector. A second terminal of the interlocking communication line is located in the communication line connector. The interlocking communication line is routed on the external surface from the first terminal to the second terminal.

Abstract: A gate drive circuit includes: an input terminal; a first circuit path inserted into a line connecting the input terminal and a gate of a power transistor; a second circuit path connected in parallel to the first circuit path; and a third circuit path connected in parallel to the second circuit path. The first circuit path includes a gate resistor (Rgon). The second circuit path includes a first capacitor and a first resistor connected in series. The third circuit path includes a second capacitor and a second resistor connected in series. The second capacitor has a capacitance value greater than a capacitance value of the first capacitor. The second resistor has a resistance value greater than a resistance value of the first resistor. The gate resistor (Rgon) has a resistance value greater than the resistance value of the second resistor.

Abstract: A communication device is a base station that communicates with mobile terminals by radiating communication beams within a coverage, the communication beams including a first beam and a second beam having a shorter radio wave propagation distance than the first beam at a same transmission power, the coverage including a plurality of virtual cells. The communication device includes: a grouping processing unit that groups the plurality of virtual cells such that virtual cells in which mobile terminals capable of uplink communication using the first beam and incapable of uplink communication using the second beam are located are aggregated; and a beam forming unit that controls a radiation direction of the communication beams such that the communication beams are radiated at a same timing to all virtual cells belonging to a same group.

Abstract: An electric compressor includes a rotary shaft, a compression part, a motor, an inverter, an inverter housing, a motor housing arranged next to the inverter housing in a radial direction of the rotary shaft, a compression part housing, a shaft support member, a conductive pin that is electrically connected to the motor, an inverter terminal, and an electrical connecting member. The electrical connecting member has a busbar, a first terminal, a second terminal, and a case. The busbar is bent such that the first terminal is engaged with the conductive pin and the second terminal is engaged with the inverter terminal by moving the electrical connecting member in an axial direction of the rotary shaft.

Abstract: Provided is a nanoemulsion which has stability and to which preservative efficacy is imparted, in a bacterial contamination environment. This object is attained by a nanoemulsion which has an average particle diameter of 30 nm or less, has a particle size distribution index of 0.14 or less, does not contain particles of 100 nm or more, and contains, as a preservative, at least one selected from an organic acid (salt) and a biguanide-based compound.

Abstract: An electric compressor including a rotary shaft, a compression part, an electric motor, an inverter circuit, a filter element disposed on an input side of the inverter circuit, the filter element including a capacitor connected in parallel to a direct current power source, a holder holding the filter element, a resistor having a lead portion electrically connected to the capacitor, and a housing having an inverter accommodation chamber in which the inverter circuit, the holder, and the capacitor are accommodated. The holder includes a metal plate having an internally threaded screw hole. The resistor is held by the holder with the metal plate interposed therebetween with a bolt screwed into the internal threaded screw hole. The holder is fixed to the housing. The holder is interposed between the lead portion and the housing. An insulating heat transfer member is interposed between the metal plate and the housing.

Abstract: A motor-driven compressor includes a rotary shaft, an electric motor, a compression unit, an inverter, a housing, and an inverter case. The housing includes a housing end wall and a housing circumferential wall, which extends from a housing end wall in an axial direction of the rotary shaft. The inverter case includes a case end wall, which extends in the axial direction from the case end wall. The seal circumferential wall includes a proximal end connected to the case end wall and an end face located at a distal end. The housing circumferential wall includes an opposed surface that is opposed to the end face. An annular seal member is provided between the seal circumferential wall and the housing circumferential wall. The seal member extends in a radial direction of the rotary shaft between the end face and the opposed surface.

Abstract: Provided are a determination device and a switch system capable of suppressing a power loss of a semiconductor switch. Determination device is used for semiconductor switch. Semiconductor switch includes junction field-effect transistor having gate and source corresponding to gate. Determination device includes resistor and determination circuit. Resistor has a first end and a second end. The first end of resistor is connected to gate. Determination circuit determines that overcurrent is flowing through semiconductor switch when there is a predetermined change in gate-source voltage of junction field-effect transistor in a range smaller than gate drive voltage provided between the second end of resistor and source.

Abstract: A control circuit controls a switching element including a gate and a source corresponding to the gate. The control circuit includes an inductor, a circuit element, and a resistor. The inductor is connected between the gate and the source of the switching element. The circuit element is connected in series to the inductor between the gate and the source. The circuit element allows an electric current to flow therethrough in response to generation of electromotive force in the inductor. The resistor is connected in parallel to the inductor and the circuit element between the gate and the source.

Abstract: An inertia measurement device, which is used in combination with a satellite positioning receiver that outputs a positioning result at every T seconds in a positioning system equipped on a vehicle, when a Z-axis angular velocity sensor, a position error P[m] based on the detection signal of the Z-axis angular velocity sensor while the vehicle moves at a moving speed V[m/sec] for T seconds satisfies Pp?P=(V/Bz)×(1?cos(Bz×T)) (where, a bias error of the Z-axis angular velocity sensor is Bz[deg/sec] and a predetermined allowable maximum position error during movement for T seconds is Pp[m]), and a bias error Bx and By of the Y-axis angular velocity sensor satisfies Bz<Bx and Bz<By.

Abstract: A power loss of a switching device is suppressed. Circuit for a switching device is used in switching device. Switching device includes first path and second path. First path includes first field effect transistor and first inductor. Second path includes second field effect transistor and second inductor. First path and second path are connected in parallel to power supply. A first maximum current that is a maximum current during conduction of first field effect transistor is smaller than a second maximum current that is a maximum current during conduction of second field effect transistor. Circuit for a switching device includes processing part. Processing part executes a specific operation according to a voltage difference between voltage across first inductor and voltage across second inductor.

Abstract: An inertia measurement device, which is used in combination with a satellite positioning receiver that outputs a positioning result at every T seconds in a positioning system equipped on a vehicle, when a Z-axis angular velocity sensor, a position error P[m] based on the detection signal of the Z-axis angular velocity sensor while the vehicle moves at a moving speed V[m/sec] for T seconds satisfies Pp?P=(V/Bz)×(1?cos(Bz×T)) (where, a bias error of the Z-axis angular velocity sensor is Bz[deg/sec] and a predetermined allowable maximum position error during movement for T seconds is Pp[m]), and a bias error Bx and By of the Y-axis angular velocity sensor satisfies Bz<Bx and Bz<By.

Abstract: A bidirectional switch module includes a plurality of bidirectional switches and a mount board. Each of the plurality of bidirectional switches includes a first source electrode, a first gate electrode, a second gate electrode, and a second source electrode. On the mount board, the plurality of bidirectional switches are mounted. In the bidirectional switch module, the plurality of bidirectional switches are connected in parallel.

Abstract: A GaN layer is formed over the substrate. An AlGaN layer is formed on the GaN layer. A first source electrode, a first gate electrode, a second gate electrode, and a second source electrode are formed on or over the AlGaN layer. A first p-type Alx1Ga1-x1N layer where 0?x1<1 is interposed between the first gate electrode and the AlGaN layer. A second p-type Alx2Ga1-x2N layer where 0?x2<1 is interposed between the second gate electrode and the AlGaN layer. The substrate is electrically insulated from all of the first source electrode, the second source electrode, the first gate electrode, and the second gate electrode. The bidirectional switch further includes a terminal used to connect the substrate to a fixed potential node. The terminal is connected to the substrate.

Abstract: An on-state voltage measurement circuit includes a detecting switch element, a control unit, a resistive element, and a voltage detection unit. The control unit includes a signal output terminal and a reference potential terminal and controls the detecting switch element. The resistive element is connected between a source terminal of the detecting switch element and the reference potential terminal. A resistance value of the resistive element is greater than an on-state resistance of the detecting switch element. The control unit turns the detecting switch element on when the semiconductor switch element is turned on. The voltage detection unit detects, based on a voltage across the resistive element when the semiconductor switch element and the detecting switch element are both on, the on-state voltage of the semiconductor switch element connected between a drain terminal of the detecting switch element and the reference potential terminal.