Abstract: A communication device according to the present disclosure transmits a high-frequency signal. the communication device includes at least one signal line, at least one overvoltage protection component, and at least one impedance component. The at least one signal line transmits the high-frequency signal and includes a first signal line. The at least one overvoltage protection component is connected to the first signal line and includes a first overvoltage protection component. The at least one impedance component is connected in series with the first overvoltage protection component between the first signal line and a ground. The at least one impedance component achieves both reduction of current wraparound via the ground due to a high-frequency component of an electrostatic noise applied to the communication device and reduction of a current flowing through the first overvoltage protection component due to a low-frequency component of the electrostatic noise.

Abstract: An inkjet printing method including: discharging ink contained in an ink storage unit, from a nozzle of a nozzle forming surface of a discharging unit; and supplying the ink from the ink storage unit to the discharging unit. The ink includes specific components and satisfies a specific relation between dynamic surface tension and time. The supplying includes: forming a closed space by covering the nozzle forming surface with a lid member, and freely controlling a pressure between the discharging unit and the ink storage unit; and forming an open space by opening the lid member on the nozzle forming surface, and setting the pressure to be the same as atmospheric pressure. A negative pressure difference between the ink storage unit and the discharging unit is 70-120 mmAq before discharge of the ink, 30-80 mmAq during the discharging, and the former is equal to or greater than the latter.

Abstract: A handling device for an easily polymerizable substance, capable of inhibiting polymer generation in ancillary equipment is provided. A handling device 10 for an easily polymerizable substance includes: ancillary equipment 30 installed at a body part 20 in which an easily polymerizable substance is handled, the ancillary equipment 30 including no temperature control mechanism 40 that gas of the easily polymerizable substance can contact; and a temperature control mechanism 40 configured to control the temperature of the ancillary equipment 30 to a temperature lower than the boiling point of the easily polymerizable substance and to a temperature higher than the melting point of the easily polymerizable substance.

Abstract: A detection apparatus includes at least one processing unit, a light guide optical system configured to cause projected light to focus on a spatial image forming plane to form an image thereon, and a camera configured to detect an entry depth of a target object in a direction orthogonal to the spatial image forming plane and an entry position of the target object on the spatial image forming plane based on an image captured in such a manner that the spatial image forming plane is included within an angle of view, and the processing unit executes an operation associated with the entry position when the entry depth of the target object reaches a set depth.

Abstract: A steel material according to the present disclosure consists of, by mass %, C: 0.30 to 0.50%, Si: 0.01 to 0.30%, Mn: 0.10 to 1.50%, P: 0.030% or less, S: 0.030% or less, Cr: 0.01 to 0.80%, Mo: 0.70 to less than 1.50%, V: 0.01 to 0.50%, Al: 0.005 to 0.100%, and N: 0.0010 to 0.0300%, with the balance being Fe and impurities. The area fraction of hard structure is 90% or more and the Vickers hardness is 220 to 400 HV. The number density of cementite particles in the hard structure is 4.0 pieces/?m2 or more. The number ratio of cementite particles having an area of 0.0005 to 0.0100 ?m2 among a plurality of the cementite particles in the hard structure is 50.0% or more. The sample standard deviation of the areas of a plurality of the cementite particles in the hard structure is 0.070 ?m2 or less.

Abstract: The electron tube includes a vacuum container having a light transmitting substrate, a photocathode provided on an inner surface of the light transmitting substrate, an anode provided in the vacuum container, and a prism. The prism includes a bottom surface bonded to an outer surface of the light transmitting substrate, a light incident surface, and a light reflecting surface configured to further reflect light, which is incident to the photocathode through the prism and the light transmitting substrate and reflected at an interface between the photocathode and the vacuum space, so that the light is re-enter the photocathode. The light reflecting surface has an outwardly convex curved surface shape. The light incident surface is located inward of an imaginary spherical surface that is along the light reflecting surface.

Abstract: A burring structural member resistant to fracture even if the burring structural part is bent back is provided. In the burring structural member of the present disclosure, a thickness T of the sheet-shaped part is 2.0 mm or more, a Charpy impact value vE(0) of the sheet-shaped part at 0° C. is 50 J/cm2 or more, a BCI value calculated by BCI=vE(0)/Lc based on the Charpy impact value vE(0) (J/cm2) and a maximum length Lc (?m) of a crack at the inside bend of the bent wall part of the burring structural parts is 2.5 or more, and a curvature radius R (mm) of the inside bend of the bent wall part is larger than R1 calculated by R1=25/BCI?1.5.

Abstract: A method of producing a cathode active material for a secondary battery is provided. The method includes preparing a mixture comprising a lithium source, a phosphate source, an iron source, a carbon source, a boron source comprising an oxo acid of boron, and a liquid medium; granulating the mixture to obtain a precursor; and heat-treating the precursor to obtain a lithium transition metal compound having an olivine structure, wherein in the mixture, a total molar amount of boron atoms contained in the boron source is more than 0% and less than 3% with respect to a total molar amount of iron atoms contained in the iron source as 100%.

Abstract: This hot-rolled steel sheet has a predetermined chemical composition, has a microstructure including, by area %, residual austenite of less than 3.0%, ferrite of 15.0% or more and less than 60.0%, and pearlite of less than 5.0%, in which an entropy value obtained by analyzing an SEM image of the microstructure using a gray-level co-occurrence matrix method is 10.7 or more, an inverse difference normalized value is 1.020 or more, a cluster shade value is ?8.0×105 to 8.0×105, and a standard deviation of an Mn concentration is 0.60 mass % or less, and has a tensile strength of 980 MPa or more.

Abstract: An electron tube includes a photoelectric conversion unit, an electron detection unit configured to receive a photoelectrons from the photoelectric conversion unit, a gate electrode disposed between the photoelectric conversion unit and the electron detection unit, and a housing configured to accommodate the photoelectric conversion unit, the electron detection unit, and the gate electrode. The housing has a lid portion to which the photoelectric conversion unit is fixed and which constitutes one end side of the housing. The gate electrode includes a main body portion that control passage of the photoelectrons by applying a voltage, and a power supply part that supports the main body portion so as to be spaced apart from the photoelectric conversion unit and applies a voltage to the main body portion. The power supply part is held by the lid portion.

Abstract: A control device includes: a controller mounted on a vehicle having an autonomous driving function and configured to execute fail-safe control by a backup power supply when a main power supply fails. The controller is configured to: in the fail-safe control, when a remaining charge level of the backup power supply decreases to or below a first threshold set in advance, execute a first notification to notify in advance an inside of the vehicle that the vehicle is likely to stop due to a shortage of the remaining charge level of the backup power supply; and when the remaining charge level of the backup power supply decreases to or below a second threshold that is smaller than the first threshold, execute a second notification to notify an outside of the vehicle that the vehicle stops.

Abstract: An electron tube includes a photoelectric conversion unit, an electron detection unit configured to receive a photoelectrons from the photoelectric conversion unit, a gate electrode disposed between the photoelectric conversion unit and the electron detection unit, and a housing configured to accommodate the photoelectric conversion unit, the electron detection unit, and the gate electrode. The housing has a lid portion to which the photoelectric conversion unit is fixed and which constitutes one end side of the housing. The gate electrode includes a main body portion that control passage of the photoelectrons by applying a voltage, and a power supply part that supports the main body portion so as to be spaced apart from the photoelectric conversion unit and applies a voltage to the main body portion. The power supply part is held by the lid portion.

Abstract: Provided is an ink including a solvent, a resin, and thickening particles. The ink has a viscosity of 3.00×103 mPa·s or more and 2.50×104 mPa·s or less at 25° C. at a shear rate of 1 s?1, and a viscosity of 130 mPa·s or less at 25° C. at a shear rate of 5,000 s?1.

Abstract: This hot-rolled steel sheet has a predetermined chemical composition and a microstructure containing, in area %, less than 3.00% of retained austenite with an Rcf value indicating a ratio between average fracture surface units before and after plastic deformation being 2.00 or more and a tensile strength of 980 MPa or more.

Abstract: A power supply control apparatus includes: a first system capable of supplying electric power from a first power supply to a first load; a second system capable of supplying electric power from a second power supply to a load group including a second load and a third load having consumed electric power smaller than that of the second load; a plurality of load switches as defined herein; and a control unit configured to control the load switches so that backup control performed by the second system is executed by the electric power supply from the second power supply, in a case where an occurrence of a ground fault in the first system is detected, and when the control unit inspects as to whether the backup control can be executed, the control unit connects the load switch corresponding to the third load of the load group to execute the inspection.

Abstract: The electron tube includes a vacuum container having a light transmitting substrate, a photocathode provided on an inner surface of the light transmitting substrate, an anode provided in the vacuum container, and a prism. The prism includes a bottom surface bonded to an outer surface of the light transmitting substrate, a light incident surface, and a light reflecting surface configured to further reflect light, which is incident to the photocathode through the prism and the light transmitting substrate and reflected at an interface between the photocathode and the vacuum space, so that the light is re-enter the photocathode. The light reflecting surface has an outwardly convex curved surface shape. The light incident surface is located inward of an imaginary spherical surface that is along the light reflecting surface.

Abstract: A power supply control device includes: a first system configured to supply electric power from a first power supply to a first load group; a second system configured to supply electric power from a second power supply to a second load group; a plurality of load switches configured to switch an electric power supply to each load of the first load group and the second load group; and a control unit configured to control the plurality of load switches such that electric power is supplied from the second power supply to a backup load included in at least one of the first load group and the second load group in a predetermined backup state, wherein the control unit detects a state of charge of the second power supply, and increases, in the predetermined backup state, number of the load switches to be connected as the state of charge is higher.

Abstract: A power supply control device includes: a first system configured to supply electric power from a first power supply to a first load group; a second system configured to supply electric power from a second power supply to a second load group; a plurality of load switches configured to switch an electric power supply to each load of the first load group and the second load group; and a control unit configured to control the plurality of load switches such that electric power is supplied from the second power supply to a backup load included in at least one of the first load group and the second load group in a predetermined backup state, wherein the control unit detects a state of charge of the second power supply, and increases, in the predetermined backup state, number of the load switches to be connected as the state of charge is higher.

Abstract: A power supply control apparatus includes: a first system capable of supplying electric power from a first power supply to a first load; a second system capable of supplying electric power from a second power supply to a load group including a second load and a third load having consumed electric power smaller than that of the second load; a plurality of load switches as defined herein; and a control unit configured to control the load switches so that backup control performed by the second system is executed by the electric power supply from the second power supply, in a case where an occurrence of a ground fault in the first system is detected, and when the control unit inspects as to whether the backup control can be executed, the control unit connects the load switch corresponding to the third load of the load group to execute the inspection.

Abstract: An active-energy-ray-curable composition includes: an adduct of trifunctional urethane acrylate; and a heterocyclic monofunctional monomer. A proportion of the heterocyclic monofunctional monomer in the active-energy-ray-curable composition is 10% by mass or more but 60% by mass or less.