Abstract: A vehicle includes a traveling information acquiring device configured to recognize a first vehicle that travels in the same lane as the vehicle and in front of the vehicle, recognize a second vehicle that travels in the same lane as the vehicle and travels in front of the first vehicle and acquire traveling information of the first vehicle and the second vehicle; and a control device configured to control the behavior of the vehicle acceleration or deceleration based on a vehicle speed difference between a vehicle speed of the first vehicle and the vehicle speed of the second vehicle when the second vehicle is recognized during the execution of the follow-up control that controls the vehicle speed of the vehicle and adjusts the distance between the vehicle and the first vehicle.

Abstract: An electrical junction box includes a frame body, a rescue terminal portion formed in a rectangular parallelepiped shape in a plan view and including a longitudinal side face, two lateral side faces connected to the longitudinal side face, and an upper face, a resin cover configured to cover the longitudinal side face, the two lateral side faces and the upper face. The resin cover includes a rotary shaft extending along the longitudinal side face and provided on a side where the longitudinal side face is provided and on a base end portion of the rescue terminal portion opposite to the upper face, the resin cover being configured to rotate with respect to the frame body about the rotary shaft.

Abstract: A frequency-swept light output unit to output frequency-swept light; a light splitting unit to split the frequency-swept light into reference light and irradiation light; a sensor head unit to cause a machining surface of a workpiece after the machining to be irradiated with the irradiation light, and receive reflection light from the machining surface; a light interference unit to generate interference light of the reference light and the reflection light, and convert the interference light into an electric signal; an A/D converter to convert the electric signal into a digital signal; a distance information calculating unit to calculate information about the distance from the leading end of the sensor head unit to the machining surface on the basis of the digital signal; and a roughness measuring unit to measure the surface roughness of the machining surface on the basis of a result of the calculation are included.

Abstract: The hydrogen sulfide producing device of the present invention includes a reactor (1-3) having a liquid sulfur filling part (1-2) inside, a mantle heater (1-4) that is a first heating unit for heating liquid sulfur to produce sulfur vapor, and a hydrogen supply pipe (1-5) that is a hydrogen supply member connected to the reactor (1-3), in which an interior of the reactor (1-3) includes a catalyst support member (1-6) provided above the liquid sulfur filling part (1-2) and a heat-insulating member (1-7) provided above the catalyst support member (1-6).

Abstract: An electrical junction box includes a case body having a plurality of connector portions, a power supply side circuit board accommodated in the case body and a spare connector mounting portion provided in an upper portion of the case body and configured such that a spare connector is attached to and detached from the spare connector mounting portion. The spare connector includes a fuse configured to electrically connect the power supply side circuit board to a device side terminal connected to an end of an electric wire configured to be electrically connected to an electronic device.

Abstract: Included are: an interference unit that combines reference light with reflected light from a measurement object, separates the combined light into two orthogonal beams of polarized light, converts the two beams of polarized light into two analog electrical signals, and outputs the two analog electrical signals; an analog-to-digital converting unit that converts the two analog signals into digital electrical signals and outputs the digital electrical signals as two digital signals; and a calculation processing unit that converts the digital electrical signals corresponding to the two beams of polarized light into frequency spectra for each of beams of light emitted from an light emitting unit, calculates an optical path length difference between the reference light and the measurement light, obtains a polarized light phase difference between the two beams of polarized light for each of the beams of light, and obtains wavelength dependency of the polarized light phase difference.

Abstract: An electrical junction box includes a case body having a plurality of connector portions, a power supply side circuit board accommodated in the case body and a general-purpose connector mounting unit provided in the case body and configured such that a plurality of types of connectors are selectively attached to and detached from the general-purpose connector mounting unit. The general-purpose connector mourning unit is configured such that a power supply side terminal of the plurality of types of connectors is electrically connected to a terminal connection portion of the power supply side circuit board.

Abstract: A lithium sulfide producing device (1-1) of the present invention is a lithium sulfide producing device for producing lithium sulfide by reacting hydrogen sulfide with lithium hydroxide, the lithium sulfide producing device including a reactor (1-3) having a lithium hydroxide filling part (1-2) inside, a heating unit for heating lithium hydroxide, and a hydrogen sulfide supply member connected to the reactor (1-3).

Abstract: An optical measurement device includes: a splitter to split light into measurement light and reference light; a switch interferometer to output first interference light obtained by causing two orthogonally polarized waves of the reference light to interfere with each other, second interference light obtained by causing two orthogonally polarized waves of reflected light from a target object of the measurement light to interfere with each other, and third interference light obtained by causing the reference light and the reflected light to interfere with each other; a photoelectric converter to convert the interference light into electric signals; a digital converter to perform A/D conversion on the electric signals; and a calculation processor to obtain an optical path-length difference between the two orthogonally polarized waves of each of the reference light and the reflected light, and an optical path-length difference between the reference light and the measurement light.

Abstract: The optical distance measurement device is configured to include an optical interference unit for separating the reflected light into a reflected light of a first polarized wave and a reflected light of a second polarized wave, extracting first and second components orthogonal to each other from an interference light of the reflected light of the first polarized wave and the reference light, and extracting third and fourth components orthogonal to each other from an interference light of the reflected light of the second polarized wave and the reference light, and a polarization rotation unit for acquiring one or more components of horizontal and vertical components of a polarized wave by rotating a polarization angle of a first complex signal having the first and second components and a polarization angle of a second complex signal having the third and fourth components, so that a distance calculation unit calculates, on the basis of the components acquired by the polarization rotation unit, a difference bet

Abstract: A controller includes a key top, a substrate, and an elastic member. The elastic member includes a pressed portion, a base, a skirt portion, and a pressing member. The substrate includes a contact. When viewed in the first direction, the pressing member is surrounded by an outer peripheral edge of a prescribed region. In the second direction, a distance between an end of the outer peripheral edge of the prescribed region on a side of a swing center of the key top and an end of a top surface on the side of the swing center is longer than a distance between an end of the outer peripheral edge of the prescribed region opposite to the swing center and an end of the top surface opposite to the swing center. In the second direction, the contact is located closer to the swing center than the top surface.

Abstract: Free-cutting copper alloy comprises Cu: more than 59.7% but less than 64.7%, Si: more than 0.60% but less than 1.30%, Pb: more than 0.001% but less than 0.20%, Bi: more than 0.001% but less than 0.10 mass %, and P: more than 0.001% but less than 0.15%, with remainder being Zn and unavoidable impurities, wherein total amount of Fe, Mn, Co, and Cr is less than 0.45%, the total amount of Sn and Al is less than 0.45%, 56.7?Cu?4.7×Si+0.5×Pb+0.5×Bi?0.5×P?59.7 and 0.003?Pb+Bi<0.25 are satisfied, 0.02?Bi/(Pb+Bi)?0.98 is satisfied if 0.003?Pb+Bi<0.08, 0.01?Bi/(Pb+Bi)?0.40 or 0.85?Bi/(Pb+Bi)?0.98 is satisfied if 0.08?Pb+Bi<0.13.

Abstract: This fuel calculation device comprises: a remaining fuel amount calculation unit that periodically calculates and stores an approximate value of the remaining fuel amount on the basis of the measurement value of the remaining fuel amount remaining in a fuel container, and the fuel flow rate of fuel supplied from the fuel container; a failure determination unit that determines whether a remaining fuel amount meter that outputs the measurement value of the remaining fuel amount has failed; and a display control unit that controls so as to display the measurement value of the remaining fuel amount when the remaining fuel amount meter has not failed, and to display the approximate value of the remaining fuel amount when the remaining fuel amount meter has failed.

Abstract: An optical measurement device is a measurement device that measures a distance to a target using light, and includes: a split unit to split light into reference light and measurement light; an adjustment unit to split the reference light into a plurality of beams of reference light having respective different light path lengths; an interference unit to multiplex two of reflection light obtained by reflection when a target is irradiated with the measurement light, and the plurality of beams of reference light to obtain interference light; and a processing unit to calculate a light path length difference on a basis of a frequency of the interference light, and the optical measurement device calculates light path length differences of the plurality of beams of reference light, so that it is possible to measure the distance to the target even when the distance to the target significantly fluctuates.

Abstract: This free-cutting copper alloy contains Cu: more than 57.5% but less than 64.5%, Si: more than 0.20% but less than 1.20%, Pb: more than 0.001% but less than 0.20%, Bi: more than 0.10% but less than 1.00%, and P: more than 0.001% but less than 0.20%, with the balance being Zn and unavoidable impurities, wherein the total amount of Fe, Mn, Co and Cr is less than 0.45%, the total amount of Sn and Al is less than 0.45%, relationships of 56.3?f1=[Cu]?4.8×[Si]+0.5×[Pb]+0.5×[Bi]?0.5×[P]?59.5 and 0.12?f2=[Pb]+[Bi]<1.0 are satisfied.

Abstract: This free-cutting copper alloy includes Cu: more than 58.0% and less than 65.0%, Si: more than 0.30% and less than 1.30%, Pb: more than 0.001% and 0.20% or less, Bi: more than 0.020% and 0.10% or less, and P: more than 0.001% and less than 0.20%, with the remainder being Zn and unavoidable impurities, a total amount of Fe, Mn, Co and Cr is less than 0.45%, a total amount of Sn and Al is less than 0.45%, relationships of 56.5?[Cu]?4.7×[Si]+0.5×[Pb]+0.5×[Bi]?0.5×[P]?59.5, and 0.025?[Pb]+[Bi]<0.25 are satisfied, in constituent phases of a metallographic structure, relationships of 20?(?)<85, 15<(?)?80, 0?(?)<5, 8.0?([Bi]+[Pb]?0.002)1/2×10+([P]?0.001)1/2×5+((?)?7)1/2×([Si]?0.1)1/2×1.2+(?)1/2×0.5?17.0, and 0.9?([Bi]+[Pb]?0.002)1/2×((?)?7)1/2×([Si]?0.1)1/2?4.0 are satisfied, and a particle containing Bi is present in ? phase.

Abstract: There is provided a method of manufacturing a group III nitride semiconductor substrate including: a fixing step S10 of fixing abase substrate, which includes a group III nitride semiconductor layer having a semipolar plane as a main surface, to a susceptor; a first growth step S11 of forming a first growth layer by growing a group III nitride semiconductor over the main surface of the group III nitride semiconductor layer in a state in which the base substrate is fixed to the susceptor using an HVPE method; a cooling step S12 of cooling a laminate including the susceptor, the base substrate, and the first growth layer; and a second growth step S13 of forming a second growth layer by growing a group III nitride semiconductor over the first growth layer in a state in which the base substrate is fixed to the susceptor using the HVPE method.

Abstract: According to the present invention, there is provided a group III nitride semiconductor substrate (free-standing substrate 30) that is formed of group III nitride semiconductor crystals. Both exposed first and second main surfaces in a relationship of top and bottom are semipolar planes. A variation coefficient of an emission wavelength of each of the first and second main surfaces, which is calculated by dividing a standard deviation of an emission wavelength by an average value of the emission wavelength, is 0.05% or less in photoluminescence (PL) measurement in which mapping is performed in units of an area of 1 mm2 by emitting helium-cadmium (He—Cd) laser, which has a wavelength of 325 nm and an output of 10 mW or more and 40 mW or less, at room temperature. In a case where devices are manufactured over the free-standing substrate 30, variations in quality among the devices are suppressed.

Abstract: A distance measurement device includes: a signal division unit to divide a digital signal into N digital signals (N is an integer equal to or greater than 2), the digital signal showing interference light between reflected light which is received from a distance measurement target, and reference light; a frequency shift unit to shift a frequency of each of the N digital signals after distribution; a Fourier transform unit to perform a Fourier transform on each of the N digital signals after frequency shift; and a distance calculation unit to determine a frequency component related to the distance measurement target, to determine a shift amount related to a signal after the Fourier transform which includes the determined frequency component, and to calculate the distance from the distance measurement device to the distance measurement target from the sum of the frequency of the determined frequency component and the determined shift amount.

Abstract: An electrical junction box includes a frame body, a rescue terminal portion formed in a rectangular parallelepiped shape in a plan view and including a longitudinal side face, two lateral side faces connected to the longitudinal side face, and an upper face, a resin cover configured to cover the longitudinal side face, the two lateral side faces and the upper face. The resin cover includes a rotary shaft extending along the longitudinal side face and provided on a side where the longitudinal side face is provided and on a base end portion of the rescue terminal portion opposite to the upper face, the resin cover being configured to rotate with respect to the frame body about the rotary shaft.