Abstract: For example, learning data used for machine learning is efficiently generated. A learning data generating device configured to generate learning data used for learning of a machine learning model, the device including: a data acquisition unit that acquires input data; and a conversion unit that converts the input data into learning data by performing processing on the input data on the basis of a characteristic difference between a characteristic corresponding to a first condition and a characteristic corresponding to a second condition different from the first condition.

Abstract: A whiteboard film system includes: a whiteboard film; a plurality of light-emitting devices to emit infrared light onto a surface of the whiteboard film at a viewer's side; and a plurality of photodetection devices to receive the infrared light emitted from the plurality of light-emitting devices, the plurality of photodetection devices being provided so as to at least partly oppose the plurality of light-emitting devices. A whiteboard film includes: a diffuse reflection layer to diffuse-reflect visible light; an absorptive polarizing layer having a first transmission axis that is parallel to a first direction; and a reflective polarizing layer being disposed between the diffuse reflection layer and absorptive polarizing layer and having a second transmission axis that is substantially parallel to the first direction.

Abstract: An IPU includes a battery that supplies power to a drive unit of a vehicle, a temperature sensor that detects temperature of the battery, a current sensor that detects electrical current of the battery, a voltage sensor that detects voltage of the battery, contactors that cut off the electrical current flow from the battery and the electrical current flow to the battery, and a battery ECU that, when a temperature detection function by the temperature sensor has been lost, calculates a value of the power of the battery based on a detection result of the electrical current and a detection result of the voltage, and operates the contactors when a calculated value of the power exceeds a predetermined value for a predetermined period of time to cut off the electrical current flow from the battery and the electrical current flow to the battery.

Abstract: A writing board set includes a writing board and a writing utensil containing ink. The writing board reflects back, when unpolarized light is incident on its surface at a viewer's side, polarized light which is parallel to a first direction and which has a degree of polarization of 95% or more. Ld*, ad*, and bd* are values of L*, a*, and b* as obtained by irradiating the surface of the writing board with light that has been transmitted through a polarizing layer having a transmission axis which is orthogonal to the first direction, and measuring total reflectance through spectrophotometry. Li*, ai*, and bi* are values of L*, a*, and b* as obtained by irradiating the ink having been introduced onto a surface of a glass panel with unpolarized light, and measuring total reflectance through spectrophotometry. A color difference ?E*ab as defined by eq. (1) is 19 or less: ?E*ab[(Li*?Ld*)2+(ai*?ad*)2+(bi*?bd*)2]1/2??(1).

Abstract: A metal mask in which shadow is less likely to occur while the strength is kept, and a method for manufacturing the metal mask are provided. The metal mask includes a first surface, and a second surface positioned opposite to the first surface. The first surface has through-holes, a first top part, and a second top part. The through-holes have a first through-hole, a second through-hole, a third through-hole, a fourth through-hole, a fifth through-hole, and a sixth through-hole. The first through-hole has a first short axis and a first long axis. The second through-hole has a second short axis and a second long axis. The third through-hole has a third short axis and a third long axis. The fourth through-hole has a fourth short axis and a fourth long axis. The fifth through-hole has a fifth short axis and a fifth long axis.

Abstract: A method for producing an electrostatic image developing toner includes a step 1 of producing toner particles by a wet process, the toner particles including an amorphous polyester resin, a crystalline polyester resin, and a vinyl resin, and a step 2 of bringing acidic water into contact with the toner particles.

Abstract: An IPU for a vehicle includes a battery that supplies power to a drive unit of a vehicle, a current sensor that detects current of the battery, a temperature sensor that detects temperature of the battery, contactors that cut off the flow of electrical current from the battery and the flow of electrical current to the battery, and a battery ECU that, when a current detection function by the current sensor has been lost, measures a period of time for which a temperature detected by the temperature sensor reaches a second predetermined value from a first predetermined value and, when the measured period of time is less than a predetermined period of time, operates the contactors to cut off the flow of electrical current from the battery and the flow of electrical current to the battery.

Abstract: A non-aqueous electrolyte secondary battery which is obtained using a lithium composite oxide having a layered structure and coated with a tungsten-containing compound in a positive electrode active substance, and which has a low initial resistance, and in which an increase in resistance following repeated charging and discharging is suppressed. The non-aqueous electrolyte secondary battery includes a positive electrode, a negative electrode and a non-aqueous electrolyte. The positive electrode includes a positive electrode active substance layer containing a lithium composite oxide having a layered structure. The lithium composite oxide includes a porous particle having a void ratio of not less than 20% but not more than 50%. The porous particle contains two or more voids having diameters that are at least 10% of the particle diameter of the porous particle. The surface of the porous particle is provided with a coating containing tungsten oxide and lithium tungstate.

Abstract: A service server generates a first smart contract programmed to be capable of executing provision of an incentive to a user when a goal indicated by generated challenge content generated is achieved, generates first transaction data including the first smart contract, and transmits the data to a first authentication server. The first authentication server executes a consensus algorithm and records the first transaction data in a distributed ledger to run the first smart contract. The first authentication server notifies a device used by the user of the challenge content. The first authentication server obtains, from the device, second transaction data including first challenge content selected to be registered by the user, and records the second transaction data in the distributed ledger by executing a consensus algorithm.

Abstract: A control method that is performed by a first device included in a plurality of devices includes: receiving, from a terminal being used by a second user, first transaction data indicating that value information is to be transferred from a first user to the second user; and storing the received first transaction data into a distributed ledger.

Abstract: An engine unit includes a cylinder, a crankshaft, a crankcase, a generator, a sensor, and a coolant passage. The crankshaft is connected to a piston in the cylinder. The crankcase accommodates the crankshaft therein. The generator includes a rotor that rotates together with the crankshaft and a stator facing the rotor. The generator generates electric power by rotation of the rotor. The sensor detects a rotation position of the rotor. The coolant passage includes an ejection port, guides a coolant to the ejection port, and ejects the coolant from the ejection port toward the sensor.

Abstract: Producing a resin particle dispersion using an apparatus including: two or more resin particle dispersion production lines each including an emulsification tank in which a resin is subjected to phase inversion emulsification using two or more organic solvents and an aqueous medium to obtain a phase-inverted emulsion, a distillation tank in which the organic solvents are removed from the phase-inverted emulsion by reduced pressure distillation to obtain a resin particle dispersion, and plural distillate collection tanks that collect distillates formed during the reduced pressure distillation according to respective target distillate compositions; and a reusable storage tank that collects and stores a distillate collected in at least one collection tank among the distillates collected in the plural collection tanks in each of the two or more production lines, and delivering the distillate to the emulsification tank in at least one production line to reuse the distillate for producing a phase-inverted emulsion.

Abstract: A method includes: recording provision record information in which provider identification information which identifies a data provider, data identification information which identifies each of one or more items of provided data generated by a home appliance, and value reference information which serves as a reference for calculating a data value of each of the one or more items of provided data are associated with one another; and when the one or more items of provided data include used data that is data used by a data user, determining an incentive for the data provider of the used data based on the provision record information. The value reference information includes an index value determined by each of a plurality of value indexes.

Abstract: Provided is a nonaqueous electrolyte secondary battery with a positive electrode active material that contains an excess of Li and has a layered structure, the nonaqueous electrolyte secondary battery having a high output and enabling prevention of gelation of the positive electrode active material layer-forming paste during production. The herein disclosed nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The positive electrode includes a positive electrode active material layer. The positive electrode active material layer contains a lithium composite oxide having a layered structure as a positive electrode active material. The compositional ratio of the lithium atom to the metal atom other than a lithium atom contained in the lithium composite oxide is greater than 1. The lithium composite oxide is in the form of porous particles.

Abstract: A control method to be executed by a first device includes: receiving identification information identifying a second device from the second device by near-field communication; determining an evaluation value indicating appropriateness of the processing executed by the second device, with reference to a storage device that stores history information indicating processing executed by the second device; and restricting the near-field communication with the second device, based on the evaluation value determined.

Abstract: A vehicle-mounted display device includes a glass plate that includes a first arcuate surface at a first outer circumferential edge part, the first arcuate surface facing a front surface side, a casing that supports the glass plate from a rear surface side, the casing including a housing and a frame that projects from the housing, and a display unit stored in the casing configured to output a display light toward the glass plate. A rear surface of the glass plate and a front surface of the frame face each other at a spaced distance. The frame further includes a projection that projects, within the spaced distance, from the front surface of the frame toward the rear surface of the glass plate at a second outer circumferential edge part of the front surface of the frame, and the projection includes a second arcuate surface.

Abstract: A shaping method for a double pipe includes: bending the double pipe with a specified curvature to form a bent portion in the double pipe; and arranging the bent portion on a first shaping die having a first shaping surface at a position biased inward or outward in a curvature radius direction of the bent portion relative to the first shaping surface, wherein the first shaping surface is configured to shape a first outer surface of both outer surfaces of the bent portion that are located on both sides of a plane including a central axis of the bent portion, and pressing the bent portion arranged on the first shaping die by a second shaping die having a second shaping surface configured to shape a second outer surface of the both outer surfaces of the bent portion.

Abstract: Provided is a method for leaching nickel from a nickel oxide ore that enables a nickel sulfate production method which is easily carried out with a small amount of waste generation. The method for leaching nickel into an organic phase disclosed here includes the step of bringing a nickel ore into contact with an organic phase. The organic phase contains a hydrophobic deep eutectic solvent including a hydrogen bond donor and a hydrogen bond acceptor, and an organic acid. The hydrogen bond donor is an acidic hydrogen bond donor. The organic acid is a strong acid.

Abstract: The present technology relates to a data processing device and a data processing method which can ensure high communication quality in data transmission using LDPC codes. In group-wise interleaving, an LDPC code having a code length N of 64800 bits and a coding rate r of 13/15 is interleaved in a unit of a bit group of 360 bits. In group-wise deinterleaving, a sequence of bit groups of the LDPC code which has been subjected to the group-wise interleaving is returned to an original sequence. The present technology can be applied to, for example, a case in which data transmission is performed using LDPC codes.

Abstract: A vehicle-mounted display device includes a glass plate including a first arcuate surface at a first outer circumferential edge part and facing a front surface side, a casing that supports the glass plate from a rear surface side and including a housing and a frame that projects therefrom, and a display unit stored in the casing. A rear surface of the glass plate and a front surface of the frame are spaced and face each other. The frame includes a projection that projects from the front surface of the frame toward the rear surface of the glass plate at a second outer circumferential edge part of the front surface of the frame. The projection includes a second arcuate surface and a center and a radius of the second arcuate surface that are identical to a center and a radius of the first arcuate surface, respectively.