Abstract: One aspect of the present invention is an optical transmission system including a transmitter connected to a transmission line having M spatial channels, and a receiver that receives a signal transmitted from the transmitter via the transmission line, wherein the transmitter includes: an allocator that allocates a transmission bit string transmitted to the transmission line into a bit string serving as a basic signal and a bit string serving as spatial channel information; a generator that generates N (M>N) signals from the bit string serving as the basic signal allocated by the allocator; and a selector that selects N spatial channels, through which the N signals generated by the generator are transmitted, from the M spatial channels on the basis of the bit string serving as the spatial channel information allocated by the allocator.

Abstract: Provided is a joint structure. The joint structure includes a first structure, and a second structure joined to the first structure via a joint portion formed of a Au—Sn-based alloy, wherein a thickness of the joint portion is 3 ?m or more and 50 ?m or less.

Abstract: This air conditioning device for a vehicle comprises: a refrigeration cycle having a compressor, a condenser, an expansion valve, and an evaporator through which refrigerant sequentially flows; a high-temperature heat medium circuit in which a high-temperature heat medium that has been heat-exchanged with the refrigerant in the condenser circulates; a low-temperature heat medium circuit in which a low-temperature heat medium that has been heat-exchanged with the refrigerant in the evaporator circulates; a connection line for connecting the high-temperature heat medium circuit and the low-temperature heat medium circuit; a plurality of heat exchangers outside the vehicle that allow introduction of the heat medium; and a switching unit capable of switching modes for each of the plurality of heat exchangers outside the vehicle, among a mode for connecting to the high-temperature heat medium circuit, a mode for connecting to the low-temperature heat medium circuit, and a mode for not connecting to either of the h

Abstract: One aspect of the present invention is a signal detection device including a mode demultiplexer configured to convert N (N is a natural number) spatial mode signals including a plurality of higher modes excited in a transmission path fiber into N base modes and output the N basis modes, a frequency conversion unit configured to convert N optical signals into frequencies different from each other, a multiplexing unit configured to multiplex the N optical signals having frequencies that have been converted, and a reception unit configured to photoelectrically convert a multiplexed optical signal while maintaining modulation information for a phase and polarization, perform digital signal conversion and signal processing, and demodulate an original information sequence.

Abstract: A clutch device includes a pressure plate movable toward or away from a clutch center and rotatable relative to the clutch center to press input-side rotating plates and output-side rotating plates. The clutch center includes center-side cam portions each including a center-side assist cam surface. At least one of the center-side cam portions includes at least one of a first center-side recess recessed in a first direction from a surface of center-side cam portion at a side of a second direction or a second center-side recess recessed in the second direction from a surface of the center-side cam portion at a side of the first direction.

Abstract: An electric compressor includes a compression portion, an electric motor, an inverter, a housing, a support bracket, a vibration insulator, and a soundproofing cover. The compression portion is configured to compress a fluid. The electric motor is configured to drive the compression portion. The inverter is configured to drive the electric motor. The housing includes an outer peripheral surface that has a cylindrical shape and accommodates the compression portion, the electric motor, and the inverter. The support bracket is fastened to the housing and supports the housing to an object to which the electric compressor is mounted. The vibration insulator is interposed between the support bracket and the object. The soundproofing cover is made of an elastically deformable sound absorbing material and covers the housing and the support bracket.

Abstract: There is provided a metal-coated Al bonding wire which can provide a sufficient bonding reliability of bonded parts of the bonding wire under a high temperature state where a semiconductor device using the metal-coated Al bonding wire is operated. The bonding wire includes a core wire of Al or Al alloy, and a coating layer of Ag, Au or an alloy containing them formed on the outer periphery of the core wire, and the bonding wire is characterized in that when measuring crystal orientations on a cross-section of the core wire in a direction perpendicular to a wire axis of the bonding wire, a crystal orientation <111> angled at 15 degrees or less to a wire longitudinal direction has a proportion of 30 to 90% among crystal orientations in the wire longitudinal direction. Preferably, the surface roughness of the wire is 2 ?m or less in terms of Rz.

Abstract: A display device with less display unevenness is provided. The display device includes a first layer and a second layer over the first layer; the first layer includes first circuits arranged in m rows and n columns; the second layer includes pixel blocks arranged in the m rows and the n columns; the pixel blocks each comprise pixels arranged in a rows and b columns; the pixel block includes a first wiring and a second wiring electrically connected to the pixel; the first wiring and the second wiring included in the pixel block in the i-th row and the j-th column are each electrically connected to the first circuit in the i-th row and the j-th column; the first wiring has a function of supplying an input signal from the first circuit to the pixel; and the second wiring has a function of supplying an output signal from the pixel to the first circuit.

Abstract: A vehicular refrigeration cycle unit is a vehicular refrigeration cycle unit installed between a vehicle exterior heat exchanger and a vehicle interior heat exchanger and exchanging heat between secondary refrigerants respectively flowing through the vehicle exterior heat exchanger and the vehicle interior heat exchanger, the vehicular refrigeration cycle unit including: a refrigeration cycle including a compressor, a condenser, an expansion valve, and an evaporator through which a primary refrigerant sequentially flows; an exterior flow passage through which the secondary refrigerant is circulated between the evaporator and the vehicle exterior heat exchanger; an interior flow passage through which the secondary refrigerant is circulated between the condenser and the vehicle interior heat exchanger; a pair of flow passage switching valves connecting the exterior flow passage and the interior flow passage to allow to switch the flow state of the second refrigerant between the exterior flow passage and the int

Abstract: To provide a novel resin composition that contains a polyethylene terephthalate resin and a polybutylene terephthalate resin, as well as a resin composition, a molded article, a composite, and a metal-resin composite formed from such resin composition. The resin composition contains an inorganic filler with respect to a total of 100 parts by mass of a polybutylene erephthalate resin and a polyethylene terephthalate resin, wherein a mass ratio of the polybutylene terephthalate resin and the polyethylene terephthalate resin with respect to a total of 100 parts by mass of the polybutylene terephthalate resin and the polyethylene terephthalate resin is from 10/90 to 90/10, and the polyethylene terephthalate resin comprises from 1.0 to 100 ?g/g of elemental iron.

Abstract: A resin composition contains a polybutylene terephthalate resin and a polyethylene terephthalate resin, wherein a mass ratio of the polybutylene terephthalate resin and the polyethylene terephthalate resin with respect to a total of 100 parts by mass of the polybutylene terephthalate resin and the polyethylene terephthalate resin is from 10/90 to 90/10, and wherein, when one cycle is defined as an operation in which, based on JIS K7121, a temperature is increased by DSC from 40° C. to 300° C. at a rate of temperature increase of 20° C./min and then the temperature is reduced to 40° C. at a rate of temperature cooling of ?20° C./min, the polyethylene terephthalate resin has an absolute value of a heat of crystallization during a heating phase in a first cycle (?HTc1-1st) and/or an absolute value of a heat of crystallization during the heating phase in a second cycle (?HTc1-2nd) of the operation of less than 3 J/g.

Abstract: To provide a resin composition containing a polyethylene terephthalate resin and an inorganic filler, wherein when one cycle is defined as an operation in which, based on JIS K7121, a temperature is increased by DSC from 40° C. to 300° C. at a rate of temperature increase of 20° C./min and then the temperature is reduced to 40° C. at a rate of temperature cooling of ?20° C./min, the polyethylene terephthalate resin has an absolute value of a heat of crystallization during a heating phase in a first cycle (?HTc1-1st) of the operation and/or an absolute value of a heat of crystallization during the heating phase in a second cycle (?HTc1-2nd) of less than 3 J/g, and a content of the inorganic filler in the resin composition is 40% by mass or more.

Abstract: Provided is a transition metal-containing hydroxide capable of improving the cycle characteristics and safety of a secondary battery, while imparting an excellent battery capacity to the secondary battery, by preventing the elution of an additive metal element, which contained in the transition metal-containing hydroxide, due to phase transition or segregation. A transition metal-containing hydroxide that is a precursor of a positive electrode active material in a non-aqueous electrolyte secondary battery, the transition metal-containing hydroxide containing at least one main metal element selected from the group consisting of Ni, Co and Mn and at least one additive metal element selected from the group consisting of Mg, Ca, Sr, Ba, Ti, Zr, V, Nb, Cr, Mo, W, Fe, Ru, Cu, Zn, B, Al, Ga, Si, Sn, P and Bi, in which a cumulative pore volume in a BJH method measured by a gas adsorption method is 0.145 cm3/g or less.

Abstract: There is provided an Al bonding wire which can provide a sufficient bonding reliability of bonded parts of the bonding wire under a high temperature state where a semiconductor device using the Al bonding wire is operated. The bonding wire is composed of Al or Al alloy, and is characterized in that an average crystal grain size in a cross-section of a core wire in a direction perpendicular to a wire axis of the bonding wire is 0.01 to 50 ?m, and when measuring crystal orientations on the cross-section of the core wire in the direction perpendicular to the wire axis of the bonding wire, a crystal orientation <111> angled at 15 degrees or less to a wire longitudinal direction has a proportion of 30 to 90% among crystal orientations in the wire longitudinal direction.

Abstract: A control apparatus includes a controller configured to acquire route information indicating a route on which a user is to travel, and travel information indicating a travel status of the user, detect, based on the acquired route information and the acquired travel information, a waiting point on the route, at which a waiting time period for the user is to occur, and output deceleration information for prompting the user to decelerate to delay, within a range of the waiting time period, arrival of the user at the detected waiting point.

Abstract: A display apparatus with low power consumption and high image quality is provided. The display apparatus includes a light-emitting element, a first transistor, a second transistor, a third transistor, a first capacitor, and a second capacitor. Preferably, one electrode of the light-emitting element is electrically connected to one of a source and a drain of the first transistor; the one electrode of the light-emitting element is electrically connected to one electrode of the first capacitor; a gate of the first transistor is electrically connected to one of a source and a drain of the second transistor; the gate of the first transistor is electrically connected to one electrode of the second capacitor; the other electrode of the second capacitor is electrically connected to the other electrode of the first capacitor; and the other electrode of the second capacitor is electrically connected to one of a source and a drain of the third transistor.

Abstract: In a semiconductor device equipped with a current mirror circuit, a highly reliable semiconductor device capable of suppressing a change in a mirror ratio of the current mirror circuit over time is provided. A current mirror circuit that includes a first MOS transistor and a plurality of MOS transistors paired with the first MOS transistor, and a plurality of wiring layers formed on an upper layer of the MOS transistor are provided. The plurality of wiring layers are arranged such that wiring patterns have the same shape within a predetermined range from an end of a channel region of each of the first MOS transistor and the plurality of MOS transistors.

Abstract: The present invention provides a vehicle air conditioning system and a vehicle air conditioning method that increase heating performance while recovering exhaust heat from onboard equipment. The vehicle air conditioning system comprises: a refrigerant circuit; a heat medium circuit including a high-temperature medium circuit and a low-temperature medium circuit; an interior heat exchanger that exchanges heat between a heat medium and air; an exterior heat exchanger that exchanges heat between the heat medium and outside air; an exhaust heat recovery circuit; and a switching part.