Abstract: An electrical power converter includes a three-level inverter and a rotating electrical machine which includes windings. The three-level inverter includes first and second electrical storage devices, and switches. A positive side of the first electrical storage device is connected to a positive terminal of the storage battery. A negative side of the second electrical storage device is connected to a negative terminal of the storage battery. The electrical power converter also includes a connector and a controller. The connector achieves electrical connection of the electrical device with the three-level inverter and also achieves electrical connection of the electrical device with the storage battery through the neutral point. The controller works to control switching operations of the switches to achieve transmission of electrical power between the electrical device and the storage battery with the three-level inverter and the electrical device connected together through the connector.

Abstract: The control device of the three-level inverter is applied to a system having a first battery and a second battery, a drive object, and a three-level inverter having switches for three phases. The control device of the three-level inverter includes: a neutral point information acquisition unit that acquires neutral point information, a command voltage acquisition unit that acquires a command voltage vector to control a system output of the drive object to approach a command value, a setting unit that sets output patterns, which are combinations of output voltage vectors, each of the output voltage vectors indicating the phase-voltage for each of the three phases, that can be output by the three-level inverter, based on the command voltage vector, and a control unit that turns each of the switches on and off based on the output voltage vectors included in the output patterns.

Abstract: A secondary battery is configured by stacking a plurality of battery cells containing a lithium metal or a lithium-containing alloy as a negative electrode active material on a negative electrode layer. The battery cell has a positive electrode tab connected to the positive electrode collector and exposed to the outside, and a negative electrode tab connected to the negative electrode current collector and exposed to the outside. The positive electrode tab and the negative electrode tab are provided on opposite sides of the center line in the thickness direction of the battery cell, and the positive electrode tab and the negative electrode tab of the adjacent battery cells are arranged and connected so as to face each other.

Abstract: A resist composition including a base material component (A), an acid generator component (B), and a mixed solvent (S) in which an organic solvent (S1) represented by Formula (s1) is mixed, in which the acid generator component (B) contains a compound (B1) represented by Formula (b1). In the formula, Rb1 represents an aryl group. Rb2 and Rb3 each independently represent an aliphatic hydrocarbon group. Lb1, Lb2, and Lb3 each independently represent a divalent linking group or a single bond. X? represents a counter anion.

Abstract: A vibration measurement device includes an acceleration sensor, an acceleration sensor mounting fixture, a spacer as an insulating member, and a heat shrink tube. The acceleration sensor includes an element. The acceleration sensor mounting fixture is disposed on a side of the acceleration sensor, adjacent to an object under measurement. The spacer is sandwiched between the acceleration sensor and the acceleration sensor mounting fixture so as to be in contact with both the acceleration sensor and the acceleration sensor mounting fixture. The heat shrink tube covers a sensor outer edge and a mounting fixture outer edge. The heat shrink tube includes a region protruding outward of acceleration sensor and the acceleration sensor mounting fixture as viewed from above.

Abstract: A video transmission system includes a transmission apparatus, display apparatus, and controller. The transmission apparatus includes a transmitter that divides a second video stream of a second bit rate into a plurality of transmission packets and transmits the plurality of transmission packets to the display apparatus. The display apparatus includes a decoder that decodes a video for display from the plurality of transmission packets, and a determiner that determines whether packet loss has occurred. The controller (i) controls the encoding to reduce the second bit rate by a predefined amount or reduce the second bit rate at a transmission rate of a certain proportion when an occurrence of packet loss is indicated, and (ii) causes the transmitter to transmit a plurality of dummy packets, along with the transmission packets, to the display apparatus via a network when no occurrence of packet loss has been indicated for a predetermined time.

Abstract: A cleaning blade includes an elastic member that includes a front edge surface extending in the longitudinal direction of the elastic member and the thickness direction orthogonal to the longitudinal direction and a bottom surface extending in the depth direction orthogonal to the longitudinal direction and the thickness direction, the bottom surface sharing a front edge ridge part with the front edge surface and facing a cleaning target, and a coating layer coating the front edge surface, the front edge ridge part, and the bottom surface, wherein the front edge ridge part coated with the coating layer is in contact with a surface of the cleaning target, and the coating layer has an average thickness that increases with an increase in a distance from the front edge ridge part in the thickness direction on the front edge surface.

Abstract: A semiconductor optical integrated device includes a substrate, an MMI waveguide, an organic insulating layer, and a heater layer. The MMI waveguide is provided on the substrate and is formed of a semiconductor material. The MMI waveguide includes a first side surface and a second side surface opposite to the first side surface. The organic insulating layer buries the first side surface and the second side surface. The heater layer is capable of heating the organic insulating layer.

Abstract: A semiconductor optical phase modulator includes an optical phase modulation element, a first semiconductor optical amplifier to amplify light input to the optical phase modulation element, and a second semiconductor optical amplifier to amplify modulated signal light output from the optical phase modulation element. A light input end of the semiconductor optical phase modulator is a light input end face of the first semiconductor optical amplifier. A light output end of the semiconductor optical phase modulator is a light output end face of the second semiconductor optical amplifier.

Abstract: A resist composition containing a resin component (A1) having a constitutional unit (a01) and a constitutional unit (a02) derived from compounds each represented by General Formulae (a01-1) and (a02-1), a compound (B1) represented by General Formula (b1), and a compound represented by General Formula (d1-1) or a compound represented by General Formula (d1-2), in the formulae, Ct represents a tertiary carbon atom, a carbon atom at an ?-position of Ct constitutes a carbon-carbon unsaturated bond, Wa02 represents an aromatic hydrocarbon group, and Rb1 represents hydrocarbon group, where a fluorine atom is not contained

Abstract: A semiconductor laser in which a PD unit monitoring an optical output is integrated is provided.

Abstract: A hybrid vehicle configured to reduce a power loss resulting from delivery of an engine torque to drive wheels. In the hybrid vehicle, a locking gear is reciprocated by an actuator between a locking position to be engaged with a flywheel gear and a disengagement position to be disengaged from the flywheel gear. An operating mode of the hybrid vehicle includes: a first mode in which the hybrid vehicle is propelled while engaging the locking gear with the flywheel gear; and a second mode in which the hybrid vehicle is propelled while disengaging the locking gear from the flywheel gear.

Abstract: A resist composition that contains a base material component (A), a first acid generator, and a second acid generator, the first acid generator is a compound represented by General Formula (b1), the second acid generator is a compound (B2) having an anion moiety having a molar volume of 250 cm3/mol or less, and the molar volume of the anion moiety of the compound (B2) is smaller than the molar volume of the anion moiety of the compound (B1). In the formula, Rb0 represents a specific condensed cyclic group, Yb0 represents a divalent linking group, Vb0 represents a single bond, Rc1 represents an aryl group having an electron-withdrawing group, Rc2 and Rc3 each independently represent an aryl group or are bonded to each other to form a ring together with a sulfur atom in the formula.

Abstract: A resist composition that generates an acid upon exposure and whose solubility in a developing solution is changed by action of an acid, the resist composition containing a base material component whose solubility in a developing solution is changed by action of an acid, and a compound represented by General Formula (e1) in which Rd01 represents a monovalent organic group and Rd02 represents a single bond or a divalent linking group

Abstract: A first rotation shaft (which is provided with a first gear) is assembled to a first case member so as to provide a first assembly. A second rotation shaft (which is provided with a second gear) and a third rotation shaft (which is provided with a third gear) are assembled to a support member so as to provide a second assembly. When the second assembly is assembled to the first assembly, the second assembly is rotatable around a third axis from a first position where the first gear and the second gear are located away from each other to a second position where the first gear and the second gear are in mesh with each other, and is positioned at the second position by using a positioning member.

Abstract: A sensor element (100) including a measurement chamber (89); a pump cell (83) including a solid electrolyte body (69), an inner electrode (101), and an outer electrode (99); and a reference cell (85). At least one electrode contains a noble metal and a component of the solid electrolyte body. In a cross section, the at least one electrode has a noble metal region (205), a solid electrolyte body region (203), and a coexistence region (207) in which the noble metal and the component of the solid electrolyte body coexist. Further, in the cross section, an area ratio SR of the coexistence region is not less than 15.5% and is less than 30%.

Abstract: A semiconductor optical integrated element according to the present disclosure includes:; a first optical amplifier which amplifies a signal beam inputted from a first end surface; a first passive optical waveguide which guides the amplified signal beam toward a direction different from a direction of the optical waveguide; an optical splitter which splits the guided signal beam into a plurality of signal beams; a phase modulator which is connected to the first passive optical waveguide and performs phase modulation on the plurality of signal beams; a second passive optical waveguide which guides each phase-modulated signal beam toward the direction of the optical waveguide; an optical multiplexer which multiplexes the plurality of phase-modulated signal beams into one signal beam; and a second optical amplifier which amplifies the signal beam guided by the second passive optical waveguide, and whose saturated beam output is smaller than that of the first optical amplifier.

Abstract: An optical phase modulator (2) includes a first 2×2 Mach-Zehnder optical phase modulation unit (10). The first 2×2 Mach-Zehnder optical phase modulation unit (10) includes a first 2×2 multimode interference waveguide (11), a second 2×2 multimode interference waveguide (14), a pair of first arm waveguides (12, 13), and first modulation electrodes (15, 16). A first output port (an output port 17d) of the first 2×2 Mach-Zehnder optical phase modulation unit (10 ) is a cross port to a first input port (an input port 17a) of the first 2×2 Mach-Zehnder optical phase modulation unit (10).

Abstract: A gas sensor element (10) which includes an element body portion (100); a pump cell (110) which is configured to adjust a concentration of oxygen in a gas to be measured which is introduced into the element body portion (100); a detection chamber (160) which is formed inside the element body portion (100) and into which the gas to be measured in which the concentration of oxygen has been adjusted is introduced; and a layer-shaped cathode electrode (133) which is housed in the detection chamber (160) and configured to decompose NO. A relationship between a volume V1 of the detection chamber (160) and a volume V2 of the cathode electrode (133) in the gas sensor element (10) satisfies either one of conditions (A) and (B) as defined herein.

Abstract: A grating coupler having first and second ends for coupling a light beam to a waveguide of a chip includes a substrate configured to receive the light beam from the first end and transmit the light beam through the second end, the substrate having a first refractive index n1, a grating structure having curved grating lines arranged on the substrate, the grating structure having a second refractive index n1, wherein the curved grating lines have line width w and height d and are arranged by a pitch ?, wherein the second refractive index n2 is less than first refractive index n1, and a cladding layer configured to cover the grating structure, wherein the cladding layer has a third refractive index n3. The curves of the grating lines are constructed such that the emitting beam is shaped for efficient coupling to another optical component. The curves can also be tilted to reduce coupling back into the waveguide.