Abstract: A condensed heterocyclic compound has a sepiapterin reductase inhibitory action and is particularly useful for treatment of a pain. The condensed heterocyclic compound represented by Formula (I) below (R1 represents a hydrocarbon group or the like; R2 and R3 represent a hydrogen atom or the like; R4, X, and Y represent defined substituents), a tautomer or a pharmaceutically acceptable salt of the compound, or a solvate of any of these.

Abstract: A computer includes: a memristor array including memristors arranged at intersections between word lines and a first bit line in the memristor array and at intersections between the word lines and second bit lines in the memristor array; an adder circuit configured to obtain sum voltages for the second bit lines by adding first voltages generated according to currents that flow in the second bit lines when a first pattern is supplied to the word lines to difference voltages between a reference voltage generated according to a current that flows in the first bit line when a second pattern is supplied to the word lines and second voltages generated according to currents that flow in the second bit lines when a second pattern is supplied to the word lines; and a detection circuit that detects a second bit line that corresponds to a maximum value of the sum voltages.

Abstract: A calculator includes: registers each including sub-registers that hold pieces of data for use in operation; an operator that executes, in parallel, operations of the pieces of data; and a memory configured to hold a first vector and second vectors to be compared with the first vector. Each second vector is divided into sub-vectors and sub-vector groups each including the sub-vectors of the second vectors are arranged in units of sub-vector groups. A first process of transferring one of sub-vectors of the first vector to sub-registers of a first register among the registers, a second process of transferring the sub-vector group of the second vectors corresponding to the transferred sub-vector of the first vector to sub-registers of a second register, the sub-vector group being held in the memory, and a third process of calculating and integrating numbers of mismatches between bit values of the sub-vectors held are repeatedly executed.

Abstract: Provided is a reception circuit that suppresses skew of a waveform of a signal and enables high-speed data communication. A reception circuit according to the present disclosure includes: a first differential stage that receives a first input signal and a second input signal at a first input unit and a second input unit, respectively, and causes first and second currents corresponding to the first and second input signals, respectively, to flow; a second differential stage including a first current path that generates and outputs a first amplified signal corresponding to the first current and a second current path that generates and outputs a second amplified signal corresponding to the second current; a power supply line that supplies power to the first and second differential stages; and at least one variable resistance unit provided in the first or second current path.

Abstract: A computer includes: a memristor array including memristors arranged at intersections between word lines and a first bit line in the memristor array and at intersections between the word lines and second bit lines in the memristor array; an adder circuit configured to obtain sum voltages for the second bit lines by adding first voltages generated according to currents that flow in the second bit lines when a first pattern is supplied to the word lines to difference voltages between a reference voltage generated according to a current that flows in the first bit line when a second pattern is supplied to the word lines and second voltages generated according to currents that flow in the second bit lines when a second pattern is supplied to the word lines; and a detection circuit that detects a second bit line that corresponds to a maximum value of the sum voltages.

Abstract: An electronic apparatus includes a first circuit board, a second circuit board, one or more electronic components, an enclosure portion, and a second housing. The electronic components are mounted on at least one of opposing surfaces of the first circuit board and the second circuit board that oppose each other. The enclosure portion supports a surface of each of the first circuit board and the second circuit board to oppose each other with a predetermined gap therebetween. The enclosure portion encloses a gap space that includes the one or more electronic components within a space between the first circuit board and the second circuit board. The second housing accommodates the first circuit board, the second circuit board, and the enclosure portion. The enclosure portion contacts the housing.

Abstract: In a spark plug, a noble metal tip includes an Ir-alloy material and has a circular-columnar shape that has a predetermined outer diameter and is formed by the Ir-alloy material being stretched. The spark plug generates discharge between the noble metal tip and a ground electrode that is arranged to oppose an outer peripheral surface of the noble metal tip. The Ir-alloy material includes crystal grains of an Ir alloy having an average aspect ratio that is adjusted to be equal to or greater than 1.3 and equal to or less than 4.8. The average aspect ratio is an average value of aspect ratios of the crystal grains each being a value obtained by a length of the respective crystal grains in an axial direction of the noble metal tip being divided by a length of the respective crystal grains in a direction perpendicular to the axial direction.

Abstract: A camera cleaning device 10 includes an air intake port 12, a camera 13, and a flow path 14. The air intake port 12 is located in an internal combustion engine room ER of a mobile body 11. The camera 13 is mounted on the mobile body 11. The flow path 14 allows a fluid to flow from the air intake port 12 to an optical system of the camera 13.

Abstract: A power-supply apparatus includes a power-supply circuit to which an input voltage and an input current are input, to include a switching element to be controlled by a control signal so as to generate an output voltage and an output current, a memory, and a processor coupled to the memory and the processor to calculate a first duty ratio of the control signal so that the output voltage approaches a target voltage, calculate a second duty ratio of the control signal for the switching element, based on the input voltage, the input current, the output voltage, and the output current, detect deterioration of the power-supply circuit, based on the first duty ratio and the second duty ratio, generate the control signal of the first duty ratio when the power-supply circuit has not deteriorated, and generate the control signal for stopping the power-supply circuit when the power-supply circuit has deteriorated.

Abstract: A vehicle-mounted camera and a mobile body that improve the quality of a captured image are provided. The vehicle-mounted camera includes a lens arranged closest to a subject side and a housing that supports the lens. The lens is at least partially subjected to a surface treatment that changes its water-contact characteristics, or the housing has at least a shape to change its water-contact characteristics or is at least subjected to a surface treatment that changes the water-contact characteristics.

Abstract: In a spark plug, a noble metal tip includes an Ir-alloy material and has a circular-columnar shape that has a predetermined outer diameter and is formed by the Ir-alloy material being stretched. The spark plug generates discharge between the noble metal tip and a ground electrode that is arranged to oppose an outer peripheral surface of the noble metal tip. The Ir-alloy material includes crystal grains of an Ir alloy having an average aspect ratio that is adjusted to be equal to or greater than 1.3 and equal to or less than 4.8. The average aspect ratio is an average value of aspect ratios of the crystal grains each being a value obtained by a length of the respective crystal grains in an axial direction of the noble metal tip being divided by a length of the respective crystal grains in a direction perpendicular to the axial direction.

Abstract: An electrolytic system includes, a power generator that outputs a first DC power, a plurality of converters each of which converts the first DC power into a second DC power according to a target duty ratio, and outputs voltage information and current information of the second DC power, a plurality of electrolyzers each of which receives the second DC power output from each of the plurality of converters and generates a gas, a control circuit that outputs control information by which the first DC power approaches a maximum power, based on a voltage value and a current value of the first DC power, and a selection circuit that outputs the target duty ratio, and a selection signal as to whether to select each of the plurality of electrolyzers and each of the plurality of converters, based on the control information and the voltage information and the current information.

Abstract: A display device according to the present disclosure includes: pixels arranged in a matrix; a data line group that includes a pair of data lines for each pixel column; a data line drive circuit that supplies a positive-phase data signal to one of the pair of data lines, and a negative-phase data signal to the other of the pair of data lines; and an auxiliary drive circuit that is provided for each pair of data lines, and that processes the positive-phase data signal and the negative-phase data signal, in which the auxiliary drive circuit has a dead zone in a region where there is no difference between a positive-phase potential and a negative-phase potential, or where the difference in potential is smaller than a predetermined value. An electronic apparatus according to the present disclosure includes a display device having the configuration described above.

Abstract: An electronic apparatus includes a first circuit board, a second circuit board, one or more electronic components, an enclosure portion, and a second housing. The electronic components are mounted on at least one of opposing surfaces of the first circuit board and the second circuit board that oppose each other. The enclosure portion supports a surface of each of the first circuit board and the second circuit board to oppose each other with a predetermined gap therebetween. The enclosure portion encloses a gap space that includes the one or more electronic components within a space between the first circuit board and the second circuit board. The second housing accommodates the first circuit board, the second circuit board, and the enclosure portion. The enclosure portion contacts the housing.

Abstract: A display device according to the present disclosure includes: pixels arranged in a matrix; a data line group that includes a pair of data lines for each pixel column; a data line drive circuit that supplies a positive-phase data signal to one of the pair of data lines, and a negative-phase data signal to the other of the pair of data lines; and an auxiliary drive circuit that is provided for each pair of data lines, and that processes the positive-phase data signal and the negative-phase data signal, in which the auxiliary drive circuit has a dead zone in a region where there is no difference between a positive-phase potential and a negative-phase potential, or where the difference in potential is smaller than a predetermined value. An electronic apparatus according to the present disclosure includes a display device having the configuration described above.

Abstract: A capacitor life diagnosis apparatus includes ringing detection circuitry that detects ringing of an output voltage of a power source including a capacitor at an output end, and signal generation circuitry that generates a signal indicating a life of the capacitor based on the ringing detected by the ringing detection circuitry.

Abstract: An electronic apparatus includes a housing; a substrate disposed on the inner side of the housing; a plurality of temperature sensors disposed on the substrate; and a processor. The processor performs a procedure including calculating heat source temperatures of a plurality of heat sources disposed on the substrate from temperatures measured by the temperature sensors by using a first heat transfer model not including a first parameter representing a transient response of heat transfer from the heat sources to the temperature sensors; and calculating a surface temperature of a surface of the housing from the heat source temperatures by using a second heat transfer model including the first parameter and a second parameter representing a transient response of heat transfer from the heat sources to the surface.

Abstract: A capacitor life diagnosis device includes: a first fluctuation detecting unit configured to detect a maximum value of fluctuation in output voltage of a first capacitor every fixed time; and an output unit configured to predict a residual life of the first capacitor on the basis of temporal transition of the maximum value of fluctuation in the output voltage detected by the first fluctuation detecting unit, and output a signal indicating the residual life of the first capacitor.

Abstract: An electrolytic system includes, a power generator that outputs a first DC power, a plurality of converters each of which converts the first DC power into a second DC power according to a target duty ratio, and outputs voltage information and current information of the second DC power, a plurality of electrolyzers each of which receives the second DC power output from each of the plurality of converters and generates a gas, a control circuit that outputs control information by which the first DC power approaches a maximum power, based on a voltage value and a current value of the first DC power, and a selection circuit that outputs the target duty ratio, and a selection signal as to whether to select each of the plurality of electrolyzers and each of the plurality of converters, based on the control information and the voltage information and the current information.

Abstract: A power-supply apparatus includes a power-supply circuit to which an input voltage and an input current are input, to include a switching element to be controlled by a control signal so as to generate an output voltage and an output current, a memory, and a processor coupled to the memory and the processor to calculate a first duty ratio of the control signal so that the output voltage approaches a target voltage, calculate a second duty ratio of the control signal for the switching element, based on the input voltage, the input current, the output voltage, and the output current, detect deterioration of the power-supply circuit, based on the first duty ratio and the second duty ratio, generate the control signal of the first duty ratio when the power-supply circuit has not deteriorated, and generate the control signal for stopping the power-supply circuit when the power-supply circuit has deteriorated.