Abstract: An insulator (10) includes: an annular outer peripheral portion (11); and a wound portion (50) which extends in a first direction that is a direction from the outer peripheral portion (11) toward a center of the outer peripheral portion and around which a wire (42) is wound. The wound portion (50) includes: an introduction portion (52) to which the wire (42) is introduced from the outer peripheral portion (11); an extend-around portion (51) around which the wire (42) introduced from the introduction portion (52) extends; and an isolation wall (60) which is located between the introduction portion (52) and the extend-around portion (51) in the first direction and by which an introduced portion of the wire (42) which is introduced at the introduction portion (52) and a first-turn portion of the wire (42) which is wound around the extend-around portion (51) are isolated from each other.

Abstract: A multilayer board includes: a front-side layer; an intermediate layer; a back-side layer; the front-side layer; a first ground terminal and a second ground terminal for connecting ground lines of a plurality of shield lines to be connected to the multilayer board; a plurality of signal line connecting terminal arrays each including a plurality of signal line connecting terminals for connecting respective signal lines of the shield lines; and a wire having a thermal conductivity, the wire extending to the second end on the intermediate layer.

Abstract: An ultrasonic transducer module including: piezoelectric elements, each being aligned in the same direction that is a longitudinal direction thereof; electrodes that are formed on surfaces of the respective piezoelectric elements; a substrate that includes wiring members extending from at least one surface of the substrate, the wiring members being connected one by one to the electrodes of the piezoelectric elements; and reinforcing layers that are provided on a surface of each of the wiring members, the surface being opposite to a surface of the corresponding wiring member where the corresponding electrode is connected.

Abstract: A power conversion system is capable of distinguishing easily and clearly between being interconnected to the power system and being in an isolated operation. The power conversion system converts DC power to AC power to interconnect with a power system and injects reactive power into a grid node for determining an isolated operation, including: a voltage detector that detects an output voltage at the grid node; a current detector that detects an output current at the grid node; a frequency measurement unit that measures a frequency of the output voltage at the grid node; a reactive-power measurement unit that measures reactive power at the grid node; and an isolated-operation determination unit that determines whether or not the power conversion system is in an isolated operation as disconnected from the power system. The isolated-operation determination unit includes a reactive-power-fluctuation determination unit that performs a first isolated-operation determination from the reactive power.

Abstract: Provided is a vehicle which enables a highly-efficient DC-DC converter and a highly-efficient power supply to a load, regardless of a power supply amount of to the load. When the power supply amount to a load R1 is a predetermined value or more, a control means 5 implements a first mode for making the switching elements S1 to S4 driven, and when the power supply amount of to the load R1 is the predetermined value or less, the control means 5 implements a second mode, for making the switching elements S3 and S4 stopped in an OFF state, and making only the switching elements S1 and S2 driven.

Abstract: Each of all ultrasound transducers constituting an ultrasound transducer group of an ultrasound transmitting/receiving portion is connected to a circuit board via electrical wiring so that all the ultrasound transducers can transmit/receive ultrasound. Therefore, even if a second ultrasound transducer group which causes ultrasound to be reflected in a housing occurs due to a shape (inclination and an amount of projection), influence and the like of an outer circumferential portion of an opening portion of the housing, a first ultrasound transducer group capable of emitting ultrasound from the opening portion is appropriately secured.

Abstract: An ultrasound endoscope, having a cable for connecting the ultrasound endoscope to a driving apparatus, includes an insertion section insertable into a subject, a plurality of transducers provided at a distal end portion, an electrode formed in each of the transducers, a wiring section connected to the electrode to electrically connect the electrode and the cable, and matching circuits, at least one of which is provided at an end of or partway in each of the wiring section. The electrode, the wiring section, and the matching circuits are provided in each of the plurality of transducers. The cable includes a core wire and an insulating layer enwrapping the core wire and functions as a matching section that matches electric impedance of each of the transducers between the plurality of transducers and the driving apparatus by varying a thickness or quality of material of the insulating layer.

Abstract: An ultrasound endoscope, having a cable for connecting the ultrasound endoscope to a driving apparatus, includes an insertion section insertable into a subject, a plurality of transducers provided at a distal end portion, an electrode formed in each of the transducers, a wiring section connected to the electrode to electrically connect the electrode and the cable, and matching circuits, at least one of which is provided at an end of or partway in each of the wiring section. The electrode, the wiring section, and the matching circuits are provided in each of the plurality of transducers. The cable includes a core wire and an insulating layer enwrapping the core wire and functions as a matching section that matches electric impedance of each of the transducers between the plurality of transducers and the driving apparatus by varying a thickness or quality of material of the insulating layer.

Abstract: A puncture treatment instrument for endoscope of the present invention includes: a concave portion with an opening on a distal end side and a bottom surface on a proximal end side; a holding portion adjacent to a proximal end of the concave portion, the holding portion allowing advancement and retraction of a needle; a puncture needle with a full length longer than a distance from a proximal end of the holding portion to a distal end of the concave portion; and a locking portion that generates resistance force in an advancing direction to stop retraction of the puncture needle when the puncture needle is retracted after the puncture needle is advanced to project into the concave portion from the holding portion.

Abstract: A power conversion system is capable of distinguishing easily and clearly between being interconnected to the power system and being in an isolated operation. The power conversion system converts DC power to AC power to interconnect with a power system and injects reactive power into a grid node for determining an isolated operation, including: a voltage detector that detects an output voltage at the grid node; a current detector that detects an output current at the grid node; a frequency measurement unit that measures a frequency of the output voltage at the grid node; a reactive-power measurement unit that measures reactive power at the grid node; and an isolated-operation determination unit that determines whether or not the power conversion system is in an isolated operation as disconnected from the power system. The isolated-operation determination unit includes a reactive-power-fluctuation determination unit that performs a first isolated-operation determination from the reactive power.

Abstract: Provided is a vehicle which enables a highly-efficient DC-DC converter and a highly-efficient power supply to a load, regardless of a power supply amount of to the load. When the power supply amount to a load R1 is a predetermined value or more, a control means 5 implements a first mode for making the switching elements S1 to S4 driven, and when the power supply amount of to the load R1 is the predetermined value or less, the control means 5 implements a second mode, for making the switching elements S3 and S4 stopped in an OFF state, and making only the switching elements S1 and S2 driven.

Abstract: Provided is a vehicle which enables a highly-efficient DC-DC converter and a highly-efficient power supply to a load, regardless of a power supply amount of to the load. When the power supply amount to a load R1 is a predetermined value or more, a control means 5 implements a first mode for making the switching elements S1 to S4 driven, and when the power supply amount of to the load R1 is the predetermined value or less, the control means 5 implements a second mode, for making the switching elements S3 and S4 stopped in an OFF state, and making only the switching elements S1 and S2 driven.

Abstract: An optical transmitter includes three or more emission optical fibers that are three-dimensionally arranged, a single reception optical fiber, and an optical path converting component to optically couple the emission optical fibers to the reception optical fiber. The optical path converting component includes optical transmission portions that are optically coupled to the three or more emission optical fibers one to one, respectively, and optically coupled commonly to the single reception optical fiber. Entry ends of the optical transmission portions are aligned with exit ends of the three or more emission optical fibers, respectively. Exit ends of the optical transmission portions are aligned, as a whole, with an entry end of the single reception optical fiber. The exit ends of the optical transmission portions are arranged substantially parallel to one another and in closer proximity to one another than the entry ends of the optical transmission portions.

Abstract: Provided is a vehicle which enables a highly-efficient DC-DC converter and a highly-efficient power supply to a load, regardless of a power supply amount of to the load. When the power supply amount to a load R1 is a predetermined value or more, a control means 5 implements a first mode for making the switching elements S1 to S4 driven, and when the power supply amount of to the load R1 is the predetermined value or less, the control means 5 implements a second mode, for making the switching elements S3 and S4 stopped in an OFF state, and making only the switching elements S1 and S2 driven.

Abstract: To provide an AC-DC converter that is highly efficient in a broad load current range from a light load to a heavy load. An AC-DC converter 1 has a main circuit and a control means 4; the main circuit includes a diode bridge circuit 3, a main inductor L1, a main switching element S1, a main diode D1, an auxiliary inductor L2, an auxiliary switching element S2, an auxiliary diode D2, and a smoothing capacitor C1 connected to a DC load 12. The AC-DC converter 1 supplies electric power from an AC power supply 11 to the DC load 12. In a period during which the instantaneous value of an input current from the AC power supply 11 is smaller than a prescribed value Ith, the AC-DC converter 1 stops the main switching element S1 and performs electricity conversion in hard switching by the operation of the auxiliary switching element S2.

Abstract: An optical transmitter includes three or more emission optical fibers that are three-dimensionally arranged, a single reception optical fiber, and an optical path converting component to optically couple the emission optical fibers to the reception optical fiber. The optical path converting component includes optical transmission portions that are optically coupled to the three or more emission optical fibers one to one, respectively, and optically coupled commonly to the single reception optical fiber. Entry ends of the optical transmission portions are aligned with exit ends of the three or more emission optical fibers, respectively. Exit ends of the optical transmission portions are aligned, as a whole, with an entry end of the single reception optical fiber. The exit ends of the optical transmission portions are arranged substantially parallel to one another and in closer proximity to one another than the entry ends of the optical transmission portions.

Abstract: An airtight sealed package with a device sealed therein in an airtight manner under vacuum, the device being placed in a space defined in the airtight sealed package by a lid and a substrate, includes at least one pressure adjustment unit provided on at least one of the lid and the substrate, and configured to receive energy from an outside of the airtight sealed package, with the device sealed in the airtight manner in the airtight sealed package, to adjust pressure in the space. An energy transmission member transmits the energy to the pressure adjustment unit.

Abstract: A three-dimensional module having a first substrate holding a function element, and a second substrate holding other components. The first and second substrates are laid one above the other in a three-dimensional fashion, and are electrically and mechanically connected. The module has inter-substrate joining members interposed between the first and second substrates and joining the first and second substrates. Each inter-substrate joining member has a stress-absorption member and an electrically conductive stress-absorption member. The stress-absorption member has elasticity and mechanically joining the first and second substrates. The electrically conductive stress-absorption member connects the first and second substrates and can deform in a desirable direction.

Abstract: A micromirror device includes a micromirror chip, an electrode substrate, and an intermediate spacer sandwiched between the micromirror chip and the electrode substrate and having substantially the same shape as that of the micromirror chip, the intermediate spacer inhibiting the mirror support portion from being deformed by the moving movable mirror portion. The micromirror chip, the electrode substrate, and the intermediate spacer are arranged and stacked in a thickness direction. The intermediate spacer has an opening located substantially in the center of the intermediate spacer and a plate-like fixed member having a plurality of through-holes disposed around the periphery of the opening. A junction member is melted by desired heating and weighting and inserted and placed in each of the through-holes. When melted, the junction member joins the micromirror chip to the electrode substrate.

Abstract: An airtight sealed package with a device sealed therein in an airtight manner under vacuum, the device being placed in a space defined in the airtight sealed package by a lid and a substrate, includes at least one pressure adjustment unit provided on at least one of the lid and the substrate, and configured to receive energy from an outside of the airtight sealed package, with the device sealed in the airtight manner in the airtight sealed package, to adjust pressure in the space. An energy transmission member transmits the energy to the pressure adjustment unit.