Abstract: A driving assistance method of assisting driving of a vehicle, includes, by a computer, acquiring biological information of a driver who is driving the vehicle, acquiring environment information of the driver, acquiring operation information of the driver, generating biological index data from the biological information, generating integrated information by aligning and combining time series of the biological index data, the environment information, and the operation information, calculating accident risk information after a predetermined time, by inputting the integrated information to an accident risk prediction model set in advance, and calculating factor information of the accident risk information by inputting the accident risk information, the integrated information, and accident risk judge information set in advance to a factor calculation model set in advance.

Abstract: A liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer. Each pixel includes a reflection region and a transmission region. The first substrate includes a reflecting layer, a first insulating layer, and a pixel electrode. The thickness of the liquid crystal layer in the transmission region is greater than the thickness of the liquid crystal layer in the reflection region, and the liquid crystal layer has a twist angle of substantially 0 degree. A surface of the first substrate that faces the liquid crystal layer includes an upper step portion, a lower step portion, and an inclined portion. The length L1 of a portion of the inclined portion included in the reflection region and the length L2 of a portion of the lower step portion included in the reflection region satisfy the relationship L1+L2?1.81·L1.

Abstract: A coated cutting tool comprising a substrate and a coating layer formed on a surface of the substrate, wherein: the coating layer comprises at least one ?-type aluminum oxide layer; and, in the ?-type aluminum oxide layer, a texture coefficient TC (0,0,12) of a (0,0,12) plane is from 4.0 or more to 8.4 or less, and a texture coefficient TC (1,0,16) of a (1,0,16) plane is from 0.4 or more to 3.0 or less.

Abstract: Provided is a technique that when a traveling lane is determined by using a plurality of detection methods, can accurately estimate the traveling lane even if any of the detection methods is not sufficient in accuracy. A vehicle control device according to the present invention calculates integrated reliabilities by integrating reliabilities of lane estimation results by a first detector and reliabilities of lane estimation results by a second detector, and estimates a lane in which a vehicle is traveling by comparing the integrated reliabilities with each other.

Abstract: A blower includes a fluid introducing box, a fan, a casing, a tubular portion disposed inside the fan to introduce a first fluid and a second fluid separately into the fan, and an upper end portion defining an inlet into the tubular portion. The casing has a suction port forming portion defining a suction port. The upper end portion is disposed between the suction port forming portion and the fluid introducing box. A gap passage is defined between the upper end portion and the suction port forming portion. At least one of the first fluid or the second fluid is introduced into the gap passage from a passage inlet and fluids through the gap passage toward a downstream portion. A distance between the upper end portion and the suction port forming portion in the axial direction at the downstream portion is less than that at the passage inlet.

Abstract: An information processing apparatus includes circuitry to obtain, from a memory, projection information based on information on a position of a user. The information on the position of the user is obtained by a device worn by the user. The projection information is to be projected by the device worn by the user. The circuitry obtains projection destination information. The projection destination information is information on a projection destination onto which the projection information is to be projected. The circuitry causes the device to project the projection information onto the projection destination based on the projection information and projection destination information.

Abstract: A wearable device includes a first device wearable by a user, a second device wearable by the user, and circuitry to cause the first device to obtain a surrounding image having an image capture range including a range out of a visual field of the user. The circuitry further causes the second device to project a projection image determined based on the surrounding image onto a projection destination determined based on the surrounding image.

Abstract: An information display system includes circuitry to acquire detection information including information on a posture of a user and information on a line of sight of the user, project an image onto a projection destination located in a projection direction with respect to the user, and cause the image to be projected onto the projection destination based on the detection information and information on the projection direction.

Abstract: A coated cutting tool comprising a substrate and a coating layer formed on a surface of the substrate, wherein: the coating layer comprises at least one ?-type aluminum oxide layer; and, in the ?-type aluminum oxide layer, a texture coefficient TC (0,0,12) of a (0,0,12) plane is from 4.0 or more to 8.4 or less, and a texture coefficient TC (0,1,8) of a (0,1,8) plane is from 0.5 or more to 3.0 or less.

Abstract: An imaging device includes: a plurality of optical systems each forming an image of a subject; a plurality of imaging sensors corresponding to the respective plurality of optical systems; and a housing part that houses the plurality of optical systems and the plurality of imaging sensors, the housing part having a peripheral surface along a circumferential direction about a reference axis, wherein: at least two of the plurality of optical systems each have: a peripheral lens arranged along the peripheral surface and located closest to an object; and a first optical path, the first optical paths of the at least two optical systems intersecting each other; and each of the peripheral lenses has a longitudinal direction, the peripheral lens being arranged along the peripheral surface such that the longitudinal direction extends along the reference axis.

Abstract: An imaging device includes an imaging element, and an image capturing optical system configured to generate an image of an object on the imaging element. The image capturing optical system has a gradient decreasing region in which a change of a gradient of an image magnification rate with respect to an angle of view of the image generated on the imaging element decreases as a concerned position deviates farther away from an optical axis of the image capturing optical system, and a gradient increasing region in which the change of the gradient of the image magnification rate with respect to the angle of view of the image generated on the imaging element increases as the concerned position deviates farther away from the optical axis of the image capturing optical system.

Abstract: An image-capturing device includes: an imager extending along a first axis, the imager configured to capture an image; and a grip coupled to the imager, extending along a second axis tilted to the first axis, and having an elongated shape to have a periphery thereof gripped with hand of an operator of the image-capturing device.

Abstract: A distance measurement apparatus includes multiple phototransmitters configured to emit light beams to a range to be measured; multiple photosensors each configured to receive a light beam reflected from an object within the range to be measured; and circuitry configured to calculate a distance to the object based on times of light emission of each of the phototransmitters and time of light reception of each of the photosensors. The photosensors outnumber the phototransmitters.

Abstract: A imaging device includes: a plurality of optical systems each forming an image of a subject; a plurality of imaging sensors corresponding to the respective plurality of optical systems; a common transmissive optical element through which optical paths of the respective plurality of optical systems pass; and a housing part that houses the optical systems, the imaging sensors and the transmissive optical element, the housing part having a peripheral surface along a circumferential direction about a reference axis, wherein at least two of the plurality of optical systems each have: a peripheral lens arranged along the peripheral surface and located closest to an object; and a first optical path, the first optical paths of the at least two optical systems intersecting each other inside the transmissive optical element.

Abstract: An image-sensor fixing structure includes an imaging optical system; and an image sensor configured to receive light of an image formed by the imaging optical system. The image sensor has an imaging surface includes an effective region, in which light of an image formed by the imaging optical system is received, and a peripheral region outside the effective region. A body member holding the imaging optical system is fixed to the peripheral region.

Abstract: A blower includes a fluid introducing box, a fan, a casing, a tubular portion disposed inside the fan to introduce a first fluid and a second fluid separately into the fan, and an upper end portion defining an inlet into the tubular portion. The casing has a suction port forming portion defining a suction port. The upper end portion is disposed between the suction port forming portion and the fluid introducing box. A gap passage is defined between the upper end portion and the suction port forming portion. At least one of the first fluid or the second fluid is introduced into the gap passage from a passage inlet and fluids through the gap passage toward a downstream portion. A distance between the upper end portion and the suction port forming portion in the axial direction at the downstream portion is less than that at the passage inlet.

Abstract: An optical system including two optical systems, each optical system including at least two reflectors and a stop. Each of the optical systems is configured to focus light. Each of the at least two reflectors is configured to reflect the light.

Abstract: A coated cutting tool comprising a substrate and a coating layer formed on a surface of the substrate, the coating layer including at least one ?-type aluminum oxide layer, wherein, in the ?-type aluminum oxide layer, a texture coefficient TC (2,1,10) of a (2,1,10) plane is 1.4 or more. TC ? ( 2 , 1 , 10 ) = I ? ( 2 , 1 , 10 ) I 0 ? ( 2 , 1 , 10 ) ? ? { 1 8 ? ? I ? ( h , k , l ) I 0 ? ( h , k , l ) } - 1 ( 1 ) (In formula (1), I (h,k,l) denotes a peak intensity for an (h,k,l) plane in X-ray diffraction of the ?-type aluminum oxide layer, I0 (h,k,l) denotes a standard diffraction intensity for an (h,k,l) plane which is indicated on a JCPDS Card No. 10-0173 for ?-type aluminum oxide, and (h,k,l) refers to eight crystal planes of (0,1,2), (1,0,4), (1,1,0), (1,1,3), (0,2,4), (1,1,6), (2,1,4) and (2,1,10).

Abstract: An imaging optical system includes a plurality of optical systems each including a plurality of optical members, a first reflection member, disposed for each one of the optical systems, configured to reflect light when the light passing through the plurality of optical members, and a variable aperture member having an opening disposed at an image sensor side when viewed from the first reflection member, the variable aperture member configured to change a size of the opening through which the light reflected from the first reflection member passes through, and at least a part of the variable aperture member is disposed at a position overlapping with an area corresponding to a first lens, disposed at the most object side in the plurality of optical members, along an optical axis direction.

Abstract: An optical system includes two imaging optical systems, each imaging optical system including a reflective optical element having a reflecting surface and a held part at a different position from the reflecting surface, the reflecting surface configured to reflect light incident from a subject side; a first holding body configured to hold the held part of the reflective optical element of one of the imaging optical systems; and a second holding body configured to hold the held part of the reflective optical element of the other one of the imaging optical systems. When the first holding body is combined with the second holding body, the reflecting surface of the reflective optical element of the one of the imaging optical systems is opposed to the reflecting surface of the reflective optical element of the other one of the imaging optical systems.