Abstract: A transformer includes a core group and a winding group. Each of a plurality of winding layers penetrates through a plurality of closed magnetic circuits formed by a plurality of cores. When viewed from the top, the cores are disposed with spacing along conductor wires through which current of the winding layers flows, and the winding layers are disposed side by side from the inside to the outside with spacing along a direction intersecting the direction of current. With this configuration, a coil device with good heat dissipation performance, compact size, high efficiency, and low costs can be provided.

Abstract: A lighting fixture includes: one or more first light emitting devices configured to emit first light and second light for circadian rhythms; and a second light emitting device configured to emit third light having substantially effective emission wavelength in the 320 nm to 420 nm range. A correlated color temperature of the second light is higher than a correlated color temperature of the first light. A meranopic ratio of the second light is higher than a meranopic ratio of the first light.

Abstract: A lighting control system includes: a light fixture including: a first light emitting device configured to emit light having a first correlated color temperature of 3000 K or less in the CIE1931 color space chromaticity diagram, a second light emitting device configured to emit light having a second correlated color temperature equal to or higher than that of the first correlated color temperature, a third light emitting device configured to emit light having substantially effective emission wavelength in a 320 nm to 420 nm range, and an emission controller configured to cause the light fixture to irradiate illumination light by controlling irradiation percentages of the light emitted from the first, second, and third light emitting devices; and an information processing apparatus communicably connected to the light fixture and including a dimming controller configured to change the irradiation percentages.

Abstract: A light emitting device includes a first light source containing a first light emitting element, and a second light source containing a second light emitting element and a second fluorescent material, the first light source emits light in a region that is demarcated in a chromaticity diagram of the CIE 1931 color coordinate system by a first straight line connecting a first point having x,y of 0.280, 0.070 in the chromaticity coordinate and a second point having x,y of 0.280, 0.500 in the chromaticity coordinate, a second straight line connecting the second point and a third point having x,y of 0.013, 0.

Abstract: A lighting control system includes: a light fixture including: a first light emitting device configured to emit light having a first correlated color temperature of 3000 K or less in the CIE1931 color space chromaticity diagram, a second light emitting device configured to emit light having a second correlated color temperature equal to or higher than that of the first correlated color temperature, a third light emitting device configured to emit light having substantially effective emission wavelength in a 320 nm to 420 nm range, and an emission controller configured to cause the light fixture to irradiate illumination light by controlling irradiation percentages of the light emitted from the first, second, and third light emitting devices; and an information processing apparatus communicably connected to the light fixture and including a dimming controller configured to change the irradiation percentages.

Abstract: A lighting control system includes: a light fixture including a first light emitting device configured to emit light having a correlated color temperature in the range of ±500 K from a prescribed value, a second light emitting device configured to emit light having a correlated color temperature in the range of ±500 K from the prescribed value, and an emission controller configured to cause the light fixture to irradiate illumination light by controlling irradiation percentages of the light emitted from the first light emitting device and the light emitted from the second light emitting device; and an information processing apparatus communicably connected to the light fixture, the information processing apparatus comprising a dimming controller configured to change the irradiation percentages of the light emitted from the first light emitting device and the second light emitting device in accordance with a time of day by transmitting dimming instructions.

Abstract: A light emitting device includes: a light emitting element having an emission peak wavelength in a range of 430 nm to 470 nm; and a fluorescent member including a fluorescent material that is excited by light from the light emitting element for light emission, wherein a mixture of light from the light emitting element and light from the fluorescent material has a correlated color temperature in a range of 1500 K to 11000 K, as measured according to JIS Z8725, the color deviation duv that is a deviation from the black body radiation track on the CIE1931 chromaticity diagram of the mixture of light and is measured according to JIS Z8725 falls within a range of more than 0 to 0.

Abstract: A light emitting device includes a first light source containing a first light emitting element, and a second light source containing a second light emitting element and a second fluorescent material, the first light source emits light in a region that is demarcated in a chromaticity diagram of the CIE 1931 color coordinate system by a first straight line connecting a first point having x,y of 0.280, 0.070 in the chromaticity coordinate and a second point having x,y of 0.280, 0.500 in the chromaticity coordinate, a second straight line connecting the second point and a third point having x,y of 0.013, 0.

Abstract: A light emitting device includes a first light source containing a first light emitting element, and a second light source containing a second light emitting element and a second fluorescent material, the first light source emits light in a region that is demarcated in a chromaticity diagram of the CIE 1931 color coordinate system by a first straight line connecting a first point having x,y of 0.280,0.070 in the chromaticity coordinate and a second point having x,y of 0.280,0.500 in the chromaticity coordinate, a second straight line connecting the second point and a third point having x,y of 0.013,0.

Abstract: A light emitting device that is capable of achieving excellent color rendering property is provided. The light emitting device contains a light emitting element having a light emission peak wavelength within a range of 430 nm or more and 470 nm or less, and a fluorescent member. The fluorescent member contains a first fluorescent material that contains an Eu-activated alkaline earth aluminate, a second fluorescent material that contains a Mn-activated fluorogermanate, a third fluorescent material that contains a Ce-activated rare earth aluminate, and a fourth fluorescent material that contains an Eu-activated silicon nitride having Al and at least one of Sr and Ca.

Abstract: A lighting control system includes: a light fixture including a first light emitting device configured to emit light having a correlated color temperature in the range of ±500 K from a prescribed value, a second light emitting device configured to emit light having a correlated color temperature in the range of ±500 K from the prescribed value, and an emission controller configured to cause the light fixture to irradiate illumination light by controlling irradiation percentages of the light emitted from the first light emitting device and the light emitted from the second light emitting device; and an information processing apparatus communicably connected to the light fixture, the information processing apparatus comprising a dimming controller configured to change the irradiation percentages of the light emitted from the first light emitting device and the second light emitting device in accordance with a time of day by transmitting dimming instructions.

Abstract: A light emitting device includes a light emitting element having a peak emission wavelength of 410 nm to 440 nm and a phosphor member. The phosphor member includes a first phosphor having a peak emission wavelength of 430 nm to 500 nm and containing an alkaline-earth phosphate, a second phosphor having a peak emission wavelength of 440 nm to 550 nm and containing at least one of an alkaline-earth aluminate and a silicate containing Ca, Mg, and Cl, a third phosphor having a peak emission wavelength of 500 nm to 600 nm and containing a rare-earth aluminate, a fourth phosphor having a peak emission wavelength of 610 nm to 650 nm and containing a silicon nitride containing Al and at least one of Sr and Ca, and a fifth phosphor having a peak emission wavelength of 650 nm to 670 nm and containing a fluorogermanate.

Abstract: A lighting device including a first light emitting device that emits light of first chromaticity coordinates and has a high melanopic ratio, a second light emitting device that emits light of second chromaticity coordinates, and a third light emitting device that emits light of third chromaticity coordinates and has a low melanopic ratio, wherein light in a range from a first temperature to a second temperature on the black body radiation locus is included in a triangular area surrounded by a straight line connecting the first chromaticity coordinates and the second chromaticity coordinates, a straight line connecting the second chromaticity coordinates and the third chromaticity coordinates, and a straight line connecting the third chromaticity coordinates and the first chromaticity coordinates, in the chromaticity diagram of the CIE1931 color system.

Abstract: A lighting control system includes: a light fixture including a first light emitting device configured to emit light having a correlated color temperature in the range of ±100 K from a prescribed value, a second light emitting device configured to emit light having a correlated color temperature in the range of ±100 K from the prescribed value, and an emission controller configured to cause the light fixture to irradiate illumination light by controlling irradiation percentages of the light emitted from the first light emitting device and the light emitted from the second light emitting device; and an information processing apparatus communicably connected to the light fixture, the information processing apparatus comprising a dimming controller configured to change the irradiation percentages of the light emitted from the first light emitting device and the second light emitting device in accordance with a time of day by transmitting dimming instructions.

Abstract: A light emitting device includes: a light emitting element having an emission peak wavelength in a range of 430 nm to 470 nm; and a fluorescent member including a fluorescent material that is excited by light from the light emitting element for light emission, wherein a mixture of light from the light emitting element and light from the fluorescent material has a correlated color temperature in a range of 1500 K to 11000 K, as measured according to JIS Z8725, the color deviation duv that is a deviation from the black body radiation track on the CIE1931 chromaticity diagram of the mixture of light and is measured according to JIS Z8725 falls within a range of more than 0 to 0.

Abstract: A parking device includes a parking gear, a parking pawl, and a torsion spring. The parking gear is directly coupled to an axle. The parking pawl is pivotably supported by a fulcrum pin and provided with a claw configured to be able to mesh with a tooth space of the parking gear. The torsion spring is fitted on the fulcrum pin, with a first end of the torsion spring mounted on the parking pawl and a second end of the torsion spring mounted on a holding member that holds the fulcrum pin.

Abstract: A light emitting device includes: a light emitting element having an emission peak wavelength in a range of 430 nm to 470 nm; and a fluorescent member including a fluorescent material that is excited by light from the light emitting element for light emission, wherein a mixture of light from the light emitting element and light from the fluorescent material has a correlated color temperature in a range of 1500 K to 11000 K, as measured according to JIS Z8725, the color deviation duv that is a deviation from the black body radiation track on the CIE1931 chromaticity diagram of the mixture of light and is measured according to JIS Z8725 falls within a range of more than 0 to 0.

Abstract: A parking lock mechanism comprises: a parking gear disposed on a power transmission member mechanically coupled to a drive wheel; and a parking pawl provided with a lock claw configured to mesh with the parking gear and switching between a lock state in which the lock claw is meshed with the parking gear and an unlock state in which meshing between the lock claw and the parking gear is released. In the mechanism, the lock claw includes a first end surface and a second end surface opposite to each other in a face width direction, the lock claw includes a tooth tip surface provided with a retreated portion at a corner on the second end surface side, and a position of a center of gravity of the parking pawl is on the second end surface side relative to a center plane in the face width direction of the lock claw.

Abstract: In a power transmitting system of a vehicle including a differential gear device including a differential shaft; a first oil pump; a first oil strainer connected to the first oil pump; a second oil pump; a second oil strainer connected to the second oil pump; and a casing within which the engine drive shaft, the differential gear device, the first and second oil pumps, and the first and second oil strainers are accommodated, such that the engine drive shaft and the differential shaft of the differential gear device are spaced apart from each other in a longitudinal direction of the vehicle, the first and the second oil strainers are disposed between the engine drive shaft and the differential shaft of the differential gear device in the longitudinal direction of the vehicle, and are spaced apart from each other in an axial direction of the engine drive shaft.

Abstract: A lighting control system includes: a light fixture including a first light emitting device configured to emit light having a correlated color temperature in the range of ±100 K from a prescribed value, a second light emitting device configured to emit light having a correlated color temperature in the range of ±100 K from the prescribed value, and an emission controller configured to cause the light fixture to irradiate illumination light by controlling irradiation percentages of the light emitted from the first light emitting device and the light emitted from the second light emitting device; and an information processing apparatus communicably connected to the light fixture, the information processing apparatus comprising a dimming controller configured to change the irradiation percentages of the light emitted from the first light emitting device and the second light emitting device in accordance with a time of day by transmitting dimming instructions.