Abstract: An object of present invention is to provide an optical laminate that can be used for a reflective circular polarizer with little occurrence of a ghost in a case of being used in a virtual reality display device, an electronic finder, or the like; a laminated optical film including the reflective circular polarizer; an optical article including the optical laminate; and a virtual reality display device including the optical article.

Abstract: Provided is an image determination device. The image determination device is provided with: feature extractors which output, on the basis of an image to be examined, each piece of feature data indicating a specific feature of the image; a determiner which outputs, on the basis of the feature data output from the extractors, output data indicating the determination result pertaining to the image; and a training part which trains the determiner so as to output, output data indicating the label data associated with the training image on the basis of the feature data output when the training image is input to the extractors, wherein the training part further trains, by using new training data, the determiner so that the output data indicating the label data associated with the image is output by the determiner.

Abstract: An image determination device includes feature extractors which output, on the basis of an image to be examined, each piece of feature data indicating a specific feature of the image; a first training part which trains a first determiner so as to output first output data indicating first label data associated with a first training image on the basis of first feature data output when the first training image is input to the feature extractors; a second training part which trains a second determiner so as to output second output data indicating second label data associated with a second training image on the basis of second feature data output when the second training image is input to the feature extractors; and an output part which outputs, on the basis of the first output data and the second output data, output data indicating an overall determination result about an image.

Abstract: An image determination device includes: a training model which outputs, on the basis of an image to be examined, output data indicating a determination result about the image; a training part which trains the training model to output, by using training data including a training image and label data, output data indicating the label data associated with the training image, when the training image is input to the training model; a dividing part which divides the training data into a plurality of pieces of sub-training data; a measurement part which measures accuracy of determination when the training part trains the training model by using each of the plurality of pieces of sub-training data; and selection part which selects at least any one among the plurality of pieces of sub-training data on the basis of the accuracy of determination.

Abstract: An electrophotographic toner of the present invention includes a toner mother particle including a bright pigment and a resin layer coating the bright pigment. The bright pigment includes a bright portion and a coating layer coating the bright portion, and when the average thickness of the coating layer is A nm and the average thickness of the resin layer is B nm, the electrophotographic toner satisfies A+B?1.600 nm.

Abstract: A first elastic member is interposed between an outer peripheral surface of the circular core back portion and an inner wall surface of the second motor housing in a radial direction, both outer peripheral ends of the core back portion in the axial direction of the rotor are covered with the first elastic member, the first elastic member is assembled by being pinched between end surfaces of the first motor housing and the second motor housing which faces each other, and a second elastic member is assembled by being stacked between the bearing assembled in one of the pair of bearing housings and the bearing housing.

Abstract: Provided is an electrostatic latent image developing toner including: toner base particles containing a binder resin and a white pigment; and an external additive, wherein silica particles are contained as the external additive, and the following relational expression (1) is satisfied, Relational expression (1): 0.70?Wh_Si(B)/Wh_Si(A)?0.95, in the above relational expression (1), Wh_Si (A) represents an NET intensity of a Si element contained in the white electrostatic latent image developing toner measured by wavelength dispersive X-ray fluorescence spectrometer, and Wh_Si (B) represents an NET intensity of a Si element contained in the white electrostatic latent image developing toner that has been ultrasonically dispersed in water.

Abstract: A strap of the present disclosure includes a spring rod that includes a shaft member, and a strap main body that includes a plurality of decorative members coupled to each other and a connecting ring coupled to an end portion of the plurality of decorative members. The strap further includes a coupler that includes a spring rod insertion hole through which the spring rod is inserted, a fixing member insertion hole, and a connecting ring arrangement portion in which the connecting ring is disposed and that can be coupled to a watch main body of a watch by the spring rod, and a fixing member that connects the strap main body and the coupler by being inserted through the fixing member insertion hole and the connecting ring.

Abstract: A first elastic member is interposed between an outer peripheral surface of the circular core back portion and an inner wall surface of the second motor housing in a radial direction, both outer peripheral ends of the core back portion in the axial direction of the rotor are covered with the first elastic member, the first elastic member is assembled by being pinched between end surfaces of the first motor housing and the second motor housing which faces each other, and a second elastic member is assembled by being stacked between the bearing assembled in one of the pair of bearing housings and the bearing housing.

Abstract: A memory system includes a first memory chip that includes a first temperature sensor, and a memory controller that includes a second temperature sensor. The memory controller is configured to: perform, at a first timing, a first temperature acquisition process including acquiring a first measured temperature using the first temperature sensor or the second temperature sensor; select one of the first temperature sensor and the second temperature sensor for a second temperature acquisition process based the first measured temperature; and perform, at a second timing later than the first timing, the second temperature acquisition process including acquiring a second measured temperature using the selected one of the first temperature sensor or the second temperature sensor.

Abstract: A memory system includes a first memory chip that includes a first temperature sensor, and a memory controller that includes a second temperature sensor. The memory controller is configured to: perform, at a first timing, a first temperature acquisition process including acquiring a first measured temperature using the first temperature sensor or the second temperature sensor; select one of the first temperature sensor and the second temperature sensor for a second temperature acquisition process based the first measured temperature; and perform, at a second timing later than the first timing, the second temperature acquisition process including acquiring a second measured temperature using the selected one of the first temperature sensor or the second temperature sensor.

Abstract: A motor of which vibration is unlikely to be transmitted to a motor housing is provided by providing a vibration-proof structure with respect to a stator, a rotor, and bearing in the motor housing. A stator core 2a is integrally assembled with an elastic member 3 interposed between the stator core and an inner wall surface of the motor housing 1b in a radial direction and bearing housings 4a, 4b are integrally assembled from both ends of the stator core 2a in an axial direction with respect to a center hole surrounded by pole teeth 2e protruding inward of the stator core 2a in the radial direction.

Abstract: A polishing material including polishing abrasive grains, the polishing abrasive grain having a core material that includes a metal oxide, and a cover layer that is provided on a surface of the core material and includes an oxide of a metal, that is different from the core material, or an oxide of a semimetal. When the polishing abrasive grains are observed with a scanning electron microscope after boiling a slurry including the polishing abrasive grains for 5 hours, a ratio of a longitudinal axis to a lateral axis of the polishing abrasive grain is 1.0 or greater and less than 1.5. The polishing abrasive grain preferably has a mass ratio of the cover layer to the core material, cover layer/core material, of from 0.3 mass % to 30 mass % inclusive. The cover layer preferably has a thickness of from 0.2 nm to 500 nm inclusive.

Abstract: A polishing material including polishing abrasive grains, the polishing abrasive grain having a core material that includes a metal oxide, and a cover layer that is provided on a surface of the core material and includes an oxide of a metal, that is different from the core material, or an oxide of a semimetal. When the polishing abrasive grains are observed with a scanning electron microscope after boiling a slurry including the polishing abrasive grains for 5 hours, a ratio of a longitudinal axis to a lateral axis of the polishing abrasive grain is 1.0 or greater and less than 1.5. The polishing abrasive grain preferably has a mass ratio of the cover layer to the core material, cover layer/core material, of from 0.3 mass % to 30 mass % inclusive. The cover layer preferably has a thickness of from 0.2 nm to 500 nm inclusive.

Abstract: The present invention provides a polishing slurry capable of polishing even high-hardness materials such as silicon carbide and gallium nitride at a high polishing speed. The present invention is a polishing slurry including a slurry containing a manganese oxide particle and a manganate ion for polishing high-hardness materials having a Mohs hardness of 8 or higher. In the present invention, the manganese oxide particle in the slurry is preferably 1.0 mass % or more; the manganese oxide is preferably manganese dioxide; and the manganate ion is preferably permanganate ion. The polishing slurry according to the present invention enables even high-hardness hardly-machinable materials such as silicon carbide and gallium nitride to be polished smoothly at a high speed.

Abstract: A traction control device for a motorcycle eliminates a need for a waiting time for detecting an amount of change in a vehicle state and a subsequent prediction time, and can execute quick traction control. The traction control device includes an engine driving force control unit, for calculating a real slip ratio of the motorcycle, setting a target slip ratio according to a driving state of the motorcycle, and controlling a driving force of an engine so that the real slip ratio becomes the target slip ratio. The traction control device also includes a throttle grip opening degree sensor for detecting an opening degree of a throttle grip; and a bank angle sensor for detecting a bank angle of the motorcycle. The engine driving force control unit calculates the target slip ratio on a basis of the throttle opening degree and the bank angle of the motorcycle.

Abstract: The present invention provides a polishing slurry capable of polishing even high-hardness materials such as silicon carbide and gallium nitride at a high polishing speed. The present invention is a polishing slurry including a slurry containing a manganese oxide particle and a manganate ion for polishing high-hardness materials having a Mohs hardness of 8 or higher. In the present invention, the manganese oxide particle in the slurry is preferably 1.0 mass % or more; the manganese oxide is preferably manganese dioxide; and the manganate ion is preferably permanganate ion. The polishing slurry according to the present invention enables even high-hardness hardly-machinable materials such as silicon carbide and gallium nitride to be polished smoothly at a high speed.

Abstract: A traction control device for a motorcycle eliminates a need for a waiting time for detecting an amount of change in a vehicle state and a subsequent prediction time, and can execute quick traction control. The traction control device includes an engine driving force control unit, for calculating a real slip ratio of the motorcycle, setting a target slip ratio according to a driving state of the motorcycle, and controlling a driving force of an engine so that the real slip ratio becomes the target slip ratio. The traction control device also includes a throttle grip opening degree sensor for detecting an opening degree of a throttle grip; and a bank angle sensor for detecting a bank angle of the motorcycle. The engine driving force control unit calculates the target slip ratio on a basis of the throttle opening degree and the bank angle of the motorcycle.