Abstract: According to one embodiment, a system includes a wearable device on a head of a user and including a display in a line of vision of the user, a first detector configured to detect a movement of the user, a second detector configured to detect a state of an apparatus operated by the user, and a server connected to the wearable device, the first detector and the second detector. The server is configured to display information about work contents of the user on the display based on a detection result of the first detector and a detection result of the second detector.

Abstract: Provided is a control method of controlling locking or unlocking of storage using a blockchain. The control method includes: determining, when first request information indicating a lock/unlock request, that is a lock request or an unlock request, is received from a terminal, whether a keyholder identified by reading keyholder information stored in the blockchain matches an owner of the terminal that has transmitted the first request information, the keyholder information indicating a person having the authority to lock or unlock the storage; performing lock/unlock processing when the keyholder is determined to match the owner, the lock/unlock processing being processing for causing the storage to lock or unlock in accordance with the first request information; and performing first storage processing after the lock/unlock processing is performed, the first storage processing being processing of storing, in the blockchain, transaction data indicating that the lock/unlock processing has been performed.

Abstract: According to one embodiment, a system includes a wearable device on a head of a user and including a display in a line of vision of the user, a first detector configured to detect a movement of the user, a second detector configured to detect a state of an apparatus operated by the user, and a server connected to the wearable device, the first detector and the second detector. The server is configured to display information about work contents of the user on the display based on a detection result of the first detector and a detection result of the second detector.

Abstract: According to one embodiment, a system includes a wearable device on a head of a user and including a display in a line of vision of the user, a first detector configured to detect a movement of the user, a second detector configured to detect a state of an apparatus operated by the user, and a server connected to the wearable device, the first detector and the second detector. The server is configured to display information about work contents of the user on the display based on a detection result of the first detector and a detection result of the second detector.

Abstract: According to one embodiment, a system includes a wearable device on a head of a user and including a display in a line of vision of the user, a first detector configured to detect a movement of the user, a second detector configured to detect a state of an apparatus operated by the user, and a server connected to the wearable device, the first detector and the second detector. The server is configured to display information about work contents of the user on the display based on a detection result of the first detector and a detection result of the second detector.

Abstract: An imaging device comprises a sensor substrate including a pixel array that includes at least a first pixel. The first pixel includes an avalanche photodiode including a light receiving region, a cathode, and an anode. The first pixel includes a wiring layer electrically connected to the cathode and arranged in the sensor substrate such that the wiring layer is in a path of incident light that exits the light receiving region.

Abstract: A display system includes a display unit which displays a virtual image in a target space, a controller which controls display of the display unit, and an obtaining unit which obtains vibration information about vibration applied to the display unit. The controller changes the display mode of the virtual image based on the vibration information, when the vibration exceeds a first threshold value and a viewing distance of the virtual image exceeds a second threshold value.

Abstract: A cooling structure of a water-cooled engine includes: a plurality of cylinders 2 arranged in a cylinder block 1; and a water jacket W formed around the plurality of cylinders 2. The water jacket W includes a pair of main flow paths 7, 8 formed in a state of extending in a cylinder arrangement direction outside the cylinders, and inter-bore flow paths 9, 10 formed between adjacent cylinders 2 in a state of connecting the pair of main flow paths 7, 8. Guide walls 11h, 13h, capable of guiding the cooling water flowing in the main flow paths 7, 8 to the inter-bore flow paths 9, 10, are formed in the cylinder block 1.

Abstract: A display system includes a display unit which displays a virtual image in a target space, a controller which controls display of the display unit, and an obtaining unit which obtains vibration information about vibration applied to the display unit. The controller changes the display mode of the virtual image based on the vibration information, when the vibration exceeds a first threshold value and a viewing distance of the virtual image exceeds a second threshold value.

Abstract: A display system for use in a mobile body includes an acquisition unit that acquires detection information of at least one detection object that exists in a target space, a display unit that displays a virtual image in the target space, and a controller that controls display of the display unit. In the target space, at least one detection area is provided. The at least one detection object includes a first detection object that exists closest to the mobile body and a second detection object that has the shortest time to collision with the mobile body. The controller determines, as a display object, at least one of the first detection object and the second detection object in the at least one detection object that exists in the detection area based on the detection information, and causes the display unit to display the virtual image corresponding to the display object.

Abstract: According to one embodiment, a printed wiring board includes a wiring board, a connector part, a connection pad provided between the wiring board and the connector part and connected with the connector part with a solder material and a guide groove provided in the wiring board to be continuous to the connection pad, to guide a portion of the solder material from the connection pad.

Abstract: According to one embodiment, a system includes a wearable device on a head of a user and including a display in a line of vision of the user, a first detector configured to detect a movement of the user, a second detector configured to detect a state of an apparatus operated by the user, and a server connected to the wearable device, the first detector and the second detector. The server is configured to display information about work contents of the user on the display based on a detection result of the first detector and a detection result of the second detector.

Abstract: According to one embodiment, a system includes a wearable device on a head of a user and including a display in a line of vision of the user, a first detector configured to detect a movement of the user, a second detector configured to detect a state of an apparatus operated by the user, and a server connected to the wearable device, the first detector and the second detector. The server is configured to display information about work contents of the user on the display based on a detection result of the first detector and a detection result of the second detector.

Abstract: According to one embodiment, provided are an electronic device and an electronic component protection substrate in which an electronic component is prevented from entering an irregular state. According to the electronic device of the present embodiment, an electronic component is soldered onto a pattern line of a printed circuit substrate, and a surface of the printed circuit substrate where the electronic component is disposed is formed as a recess such that the thickness of the printed circuit substrate in the recess part is thinned.

Abstract: According to one embodiment, a display and a sensor signal acceptor which accepts detection signals from a sensor are provided. A first display controller displays a first instruction for instructing a first work on the display, based on the detection signal which indicates an end of preparation for the first work. And, a second display controller displays a second instruction for instructing a next second work on the display, based on the detection signal which indicates an end of the first work.

Abstract: An image display device according to an embodiment of the present technology include an emission portion, an irradiation target, and an optical portion. The emission portion emits image light along a predetermined axis. The irradiation target is disposed at at least a part around the predetermined axis. The optical portion controls an incident angle of the image light on the irradiation target, the image light having been emitted from the emission portion, the optical portion being disposed in a manner that the optical portion faces the emission portion on the basis of the predetermined axis.

Abstract: In an engine that includes a blow-by-gas returning system configured to direct blow-by gas within a crankcase to an intake system through an inside of a head cover, the intake system includes a cover intake-passage disposed at a blow-by-gas outlet of the head cover, and the cover intake-passage communicates with a blow-by-gas passage of the blow-by-gas outlet.

Abstract: An apparatus and a method for detecting damage to a linear guide on which a robot is mounted, by using a simple configuration. The apparatus has: a length measuring sensor configured to measure a position of a predetermined portion of the robot at predetermined time intervals; a current detecting section configured to detect a current value of a drive motor for driving a slide; and a judging section such as a processor, configured to, when the measured distance between the predetermined portion of the robot and the length measuring sensor is out of a range defined by a predetermined first threshold, and when the current value of the drive motor is equal to or higher than a predetermined second threshold, judge that the linear guide has been damaged.

Abstract: A method for producing N-(?-hydroxyethyl)formamide which comprises reacting formamide with acetaldehyde in a solvent in the presence of a basic catalyst in a reaction vessel, precipitating the obtained N-(?-hydroxyethyl)formamide in the reaction vessel, and collecting the precipitated N-(?-hydroxyethyl)formamide from the reaction vessel. The production of N-(?-hydroxyethyl)formamide is conducted multiple times using the same reaction vessel so that an (n+1)th reaction is conducted in the reaction vessel in which crystals of the N-(?-hydroxyethyl)formamide obtained in the n-th reaction are present (n is a natural number).

Abstract: Provided is a control method of controlling locking or unlocking of storage using a blockchain. The control method includes: determining, when first request information indicating a lock/unlock request, that is a lock request or an unlock request, is received from a terminal, whether a keyholder identified by reading keyholder information stored in the blockchain matches an owner of the terminal that has transmitted the first request information, the keyholder information indicating a person having the authority to lock or unlock the storage; performing lock/unlock processing when the keyholder is determined to match the owner, the lock/unlock processing being processing for causing the storage to lock or unlock in accordance with the first request information; and performing first storage processing after the lock/unlock processing is performed, the first storage processing being processing of storing, in the blockchain, transaction data indicating that the lock/unlock processing has been performed.