Abstract: The present invention is directed to connection technology for providing a sufficient connection strength in bonding a wire material and a twisted wire each having a large diameter when directly bonding the wire material, which is used for a stator of an electric motor and a generator, and the twisted wire serving as a lead wire by ultrasonic bonding. A twisted wire having a plurality of core wires is hardened by ultrasonic vibration using a pressurized vibration tool when the twisted wire is connected to a wire material. After that, the twisted wire is reversed such that the hardened surface thereof faces the wire material and then comes into contact with the wire material. In this state, ultrasonic waves are applied to the hardened surface from the opposite side using the vibration tool, thereby connecting the hardened surface of the twisted wire and the wire material.

Abstract: There is provided a rotor for a rotary electrical machine for improving mechanical strength of the rotor against centrifugal force. The rotary electrical machine is provided with a stator, and a rotor disposed with a gap from the stator, which has a rotor core. The rotor includes a magnet insertion hole, and a permanent magnet inserted into the magnet insertion hole. A clearance part is formed at a position of the magnet insertion hole corresponding to a corner of the inserted permanent magnet, which has a facing surface that is formed to face a surface of the permanent magnet via a gap. The facing surface of the clearance part has inflection points so that each of obtuse angles is formed by the two facing surfaces contiguous with the inflection points.

Abstract: An electric rotating machine having high cooling performance is provided. The electric rotating machine is configured to include a rotor rotating around a rotational axis; and a stator disposed to face the circumferential surface of the rotor. The stator includes a stator core having a cylindrical core back and a plurality of teeth radially extending from the core back, and a stator coil wound around the teeth in concentrated winding via an insulation material. A spacer having electric insulation performance is attached between the stator coils each wound around the respective teeth adjacent to each other. The spacer has a coefficient of linear expansion greater than that of the stator core.

Abstract: A lighting device is provided with an illumination unit including two or less LED light sources. The illumination unit uses the two or less LED light sources to emit light of a short wavelength band and light of a long wavelength band. An output varying unit functions to vary an output of at least the long wavelength band light. When the output varying unit receives a varying signal, the output varying unit functions to decrease the output of at least the long wavelength band light.

Abstract: A lighting device includes a first light source having a first S/P ratio, a second light source having a second S/P ratio that is higher than the first S/P ratio, and a controller configured to performing dimming control of light output from the first and second light sources. The controller performs the dimming control separately on the first and second light sources at least under a snow covered condition.

Abstract: An electric rotating machine having high cooling performance is provided. The electric rotating machine is configured to include a rotor rotating around a rotational axis; and a stator disposed to face the circumferential surface of the rotor. The stator includes a stator core having a cylindrical core back and a plurality of teeth radially extending from the core back, and a stator coil wound around the teeth in concentrated winding via an insulation material. A spacer having electric insulation performance is attached between the stator coils each wound around the respective teeth adjacent to each other. The spacer has a coefficient of linear expansion greater than that of the stator core.

Abstract: A rotating electric machine, in which a cross conductors of a stator connect slot conductors so as to stride N+1 slots at coil ends on one side and stride N?1 slots at coil ends on another side, with N representing a number of slots per pole, a stator winding includes a plurality of slot conductor groups each made up with a plurality of slot conductors corresponding to a single phase, the plurality of slot conductors in each slot conductor group are inserted at a predetermined number Ns of successive slots forming a continuous range along a circumference of the stator core so that the slot conductors in the slot conductor group take successive slot positions and successive layer positions, Ns=NSPP+NL when NSPP represents a number of slots per pole per phase and a number of layers is expressed as 2×NL.

Abstract: A lighting device includes first and second light emission units. The first light emission unit emits light having a relatively low color temperature and a high feeling of contrast index. The second light emission unit emits light having a relatively high S/P ratio, which is the ratio of scotopic luminance to photopic luminance. The first light emission unit illuminates a region located at a vertical upper side of a region illuminated by the second light emission unit.

Abstract: A squirrel cage rotor includes: a rotor core having a plurality of slots formed in a circumferential direction, each slot extending in an axial direction; a plurality of conductive bars housed within the respective slots of the rotor core and having both ends thereof projecting out from end faces in an axial direction of the rotor core; and a pair of end rings disposed at both ends of the rotor core, each end ring having a plurality of fitting portions into which respective end portions of the conductive bar projecting out from the end faces of the rotor core in the axial direction are fitted. A material of the conductive bar is an aluminum alloy having an aluminum component ratio of 99.00% or more, and a material of the end ring is an aluminum alloy having proof stress higher than that of the material of the conductive bar.

Abstract: A lighting device is provided with an illumination unit including two or less LED light sources. The illumination unit uses the two or less LED light sources to emit light of a short wavelength band and light of a long wavelength band. An output varying unit functions to vary an output of at least the long wavelength band light. When the output varying unit receives a varying signal, the output varying unit functions to decrease the output of at least the long wavelength band light.

Abstract: A lighting device includes a first light source having a first S/P ratio, a second light source having a second S/P ratio that is higher than the first S/P ratio, and a controller configured to performing dimming control of light output from the first and second light sources. The controller performs the dimming control separately on the first and second light sources at least under a snow covered condition.

Abstract: A lighting device includes first and second light emission units. The first light emission unit emits light having a relatively low color temperature and a high feeling of contrast index. The second light emission unit emits light having a relatively high S/P ratio, which is the ratio of scotopic luminance to photopic luminance. The first light emission unit illuminates a region located at a vertical upper side of a region illuminated by the second light emission unit.

Abstract: The present invention is directed to connection technology for providing a sufficient connection strength in bonding a wire material and a twisted wire each having a large diameter when directly bonding the wire material, which is used for a stator of an electric motor and a generator, and the twisted wire serving as a lead wire by ultrasonic bonding. A twisted wire having a plurality of core wires is hardened by ultrasonic vibration using a pressurized vibration tool when the twisted wire is connected to a wire material. After that, the twisted wire is reversed such that the hardened surface thereof faces the wire material and then comes into contact with the wire material. In this state, ultrasonic waves are applied to the hardened surface from the opposite side using the vibration tool, thereby connecting the hardened surface of the twisted wire and the wire material.

Abstract: An optical line terminal receives an optical signal transmitted by time division multiple access from plural optical network units among which are an optical network unit performing communications at a first bit rate and an optical network unit performing communications at a second bit rate. The optical line terminal includes a branching unit, a first receiving unit, and a second receiving unit. The branching unit branches the optical signal into branches, at an asymmetrical branching ratio. The first receiving unit receives a branch having the first bit rate, among the branches of a greater branched proportion. The second receiving unit receives a branch having the second bit rate, among the branches of a lesser branched proportion.

Abstract: A composite semiconductor device is formed of a semiconductor wafer having a plurality of device-forming areas in which semiconductor elements are formed and dicing areas defined between the device-forming areas, and is formed by dicing the semiconductor wafer at the dicing areas. The composite semiconductor device includes a semiconductor substrate, and a plurality of wiring layers layered on the semiconductor substrate. The wiring layers include at least conductive films. Connecting portions are formed to connect the wiring layers with each other in a layering direction of the wiring layers. Each of the connecting portions is disposed on the device-forming area side with respect to a dicing position defined in the dicing area.

Abstract: An LED array includes a semiconductor substrate and a plurality of first LED portions formed integrally on a surface of the semiconductor substrate. The first LED portions emit light of a predetermined color. The LED array includes a plurality of second LED portions fixed to the semiconductor substrate and are disposed corresponding to the first LED portions. The second LED portions emit light whose color is different from the first LED portions. The second LED portions are so disposed that active layers of the second LED portions are substantially at the same height as active layers of the first LED portions.

Abstract: A composite semiconductor device is formed of a semiconductor wafer having a plurality of device-forming areas in which semiconductor elements are formed and dicing areas defined between the device-forming areas, and is formed by dicing the semiconductor wafer at the dicing areas. The composite semiconductor device includes a semiconductor substrate, and a plurality of wiring layers layered on the semiconductor substrate. The wiring layers include at least conductive films. Connecting portions are formed to connect the wiring layers with each other in a layering direction of the wiring layers. Each of the connecting portions is disposed on the device-forming area side with respect to a dicing position defined in the dicing area.

Abstract: An optical line terminal receives an optical signal transmitted by time division multiple access from plural optical network units among which are an optical network unit performing communications at a first bit rate and an optical network unit performing communications at a second bit rate. The optical line terminal includes a branching unit, a first receiving unit, and a second receiving unit. The branching unit branches the optical signal into branches, at an asymmetrical branching ratio. The first receiving unit receives a branch having the first bit rate, among the branches of a greater branched proportion. The second receiving unit receives a branch having the second bit rate, among the branches of a lesser branched proportion.

Abstract: This invention provides a data processing apparatus and a data processing method for reducing the amount of image data denoting a pattern drawn on a whiteboard by a pen or the like being moved so as to designate locations in a designated sequence. Specifically, a coordinate transformation circuit transforms first-precision coordinate data within first image data into coordinate data of a second precision lower than the first precision, thereby generating second image data. Given the coordinate data in the second image data, a changing point detection circuit detects the coordinate data that are changed in keeping with the locations being designated movably by the pen on the whiteboard, thereby generating third image data including the detected coordinate data in the designated sequence.

Abstract: An LED array includes a semiconductor substrate and a plurality of first LED portions formed integrally on a surface of the semiconductor substrate. The first LED portions emit light of a predetermined color. The LED array includes a plurality of second LED portions fixed to the semiconductor substrate and are disposed corresponding to the first LED portions. The second LED portions emit light whose color is different from the first LED portions The second LED portions are so disposed that active layers of the second LED portions are substantially at the same height as active layers of the first LED portions.