Abstract: A ball screw including: a male component having male grooves on an outer periphery for a ball to roll; a female component fitted together with the male component in an axial direction having female grooves facing the male grooves on an inner periphery for the ball to roll and a circulation path for the ball to circulate; and a seal member at one end, at the other end, or at each of one and the other ends of the female component in the axial direction and including a hole capable of communicating with the inner periphery, a fiber layer having a fitting surface having a convex part capable of being fitted in the male grooves when the male component is inserted into the hole and a surface made of fibers impregnated with rubber or resin, and a rubber or resin layer laminated on a surface opposite to the fitting surface.

Abstract: A shaft structure including: a male component having male spline parts and male spline bottom parts on an outer peripheral part; a female component having female spline parts and female spline bottom parts on an inner peripheral part configured to allow the male component to be slidably inserted in an axial direction; and an elastic member arranged on the male component covering a surface of the outer peripheral part of the male component, wherein, in an initial state where the male component is inserted into the female component, the female and male components have first gaps between: sides of the female spline parts; and sides-facing portions of the elastic member, and when the male component is rotated, a time from the initial state to a state where the sides of the female spline parts abut on the portions of the elastic member, has predetermined time differences along the axial direction.

Abstract: According to some embodiments of the present invention, an axis detection device includes a plurality of distance measurement devices; a tire candidate extractor; a matching processor; and an axle detector. Each of the plurality of distance measurement devices changes a measurement range to one dimension to measure a distance data set. The tire candidate extractor extracts data whose frequency is higher than a predetermined threshold as tire candidate data based on the distance data set measured by the distance measurement device. The matching processor matches a temporal correspondence for the tire candidate data which are extracted by the tire candidate extractor based on the respective distance data sets measured by the plurality of distance measurement devices. The axle detector detects one or a plurality of axles based on the matched result by the matching processor.

Abstract: A detection system that detects a three-dimensional object on a reference surface, the detection system includes: a ranging device configured to measure a distance and a direction to an object including the three-dimensional object; and a processor configured to obtain ranging data from the ranging device, the ranging data being an aggregation of three-dimensional points indicating a position of the object, which are defined from the distance and the direction, calculate, based on the ranging data, a change amount in a height direction between a first point from among the aggregation of three-dimensional points and each of surrounding points of the first point, determine whether the first point is included in one or more points corresponding to the three-dimensional object, based on a difference between the change amounts, and output a result of a determination.

Abstract: The present invention provides a binder for a lithium ion secondary battery electrode that has good adhesive properties and a low degree of swelling with respect to an electrolytic solution. There is used a binder for a lithium ion secondary battery electrode, which comprises a polyvinyl acetal-based resin (A) containing structural units represented by chemical formulae (1) to (3): (R1 is a hydrogen atom or an alkyl group having 1 to 10 carbon atoms), and (R2 is a functional group containing an ethylenically unsaturated bond).

Abstract: An embodiment of a vehicle monitoring apparatus has a determiner and a reader. The determiner determines whether or not a specific site of a vehicle exists at least in an area of an image, the image imaged by an imager, the area being one of multiple areas into which the image is divided by dividing line that are substantially orthogonal to a direction of travel of the vehicle. The reader reads information on a license plate mounted to the vehicle from the area in case that the determiner determines the specific site of the vehicle is determined to exist in the area.

Abstract: A driving support device for supporting driving of a vehicle by a driver, includes: a memory; and a processor coupled to the memory and configured to: determine a danger level indicating a level of danger regarding a target object, based on at least one of a relative velocity of the target object with respect to the vehicle and a relative distance between the vehicle and the target object, determine, based on information of a trajectory of a line of sight of the driver, an evaluation value indicating a first probability at which the driver becomes aware of the target object, and determine, based on the danger level and the evaluation value, a form of notifying the driver of the target object.

Abstract: A method includes evaluating an optical signal spectrum for estimated filtering parameters of an optical spectral filtering device for shaping optical signal spectrum, determining a feedback for fine tuning the optical spectral filtering device for nonlinearity tolerance enhancement in the optical transmission system, responsive to received optical signal quality in the optical signal spectrum; and using the feedback to adjust said optical spectral filtering device for predetermined shaping and predetermined fiber nonlinearity tolerance in the optical transmission system.

Abstract: An image processing device includes a processor; and a memory which stores a plurality of instructions, which when executed by the processor, cause the processor to execute, acquiring an image that includes a marker that includes a plurality of first color regions and a plurality of second color regions, of which a color is different from a color of the first color regions, the plurality of first color regions being opposed to each other and the plurality of second color regions being opposed to each other; extracting the first color regions or the second color regions from the image; reducing the first color regions or the second color regions until a first degree of similarity between a shape of the first color regions or the second color regions, the first color regions or the second color regions being extracted, and a predetermined elliptical shape satisfies a predetermined first threshold value.

Abstract: A rack includes a plurality of thin plates laminated with each other, wherein each of the plurality of thin plates is formed with a set of rack teeth, and adjacent thin plates, which are laminated adjacently to each other, of the plurality of thin plates are fixed together such that respective rack-tooth positions of the adjacent thin plates are displaced from each other in axial directions of adjacent sets of rack teeth.

Abstract: A vehicle discrimination apparatus specifies a vehicle area in which a vehicle is photographed from an image including the vehicle and discriminates a vehicle passing through a road based on an image which a photographing device such as a camera installed at a side of the road or above the road photographs. The vehicle discrimination apparatus includes an image acquisition section, a first search window setting section, a feature amount calculation section, a likelihood calculation section, a vehicle area determination section, a template creation section, a template storage section, a tracking area setting section, a second search window setting section, a candidate area determination section, a selection section, and a detection section.

Abstract: A gaze point detection device includes a processor; and a memory which stores a plurality of instructions, which when executed by the processor, cause the processor to execute, capturing an image of at least part of a scene around a vehicle; detecting a direction of a line of sight of a person in the vehicle; determining an intersection between a plane and a line of sight of the person in the vehicle, the plane being along a running direction of the vehicle and apart from the vehicle by a given distance; and presenting a resultant projected point on the image as a gaze point.

Abstract: An image processing apparatus includes an image obtaining section for obtaining images from cameras on a moving object; a correspondence processing section for generating a correspondence between characteristic points extracted from a pair of images before and after the moving object moves straight; a height/orientation estimating section for estimating orientations and heights of the cameras, by estimating a homography matrix from the corresponded characteristic points, then decomposing the homography matrix, and using the decomposition result, a movement direction vector, a road surface normal vector, and a moved amount of the moving object; a projective transform section for applying projective transform to common view parts between the cameras; and a relative position estimating section for estimating a relative position of one of the cameras relative to another one of the cameras using translation for overlapping the common view parts after projective transform.

Abstract: The present invention provides a Ni-based single crystal superalloy which has the following composition by weight: 0.1 wt % or more and 9.9 wt % or less of Co, 5.1 wt % or more and 10.0 wt % or less of Cr, 1.0 wt % or more and 4.0 wt % or less of Mo, 8.1 wt % or more and 11.0 wt % or less of W, 4.0 wt % or more and 9.0 wt % or less of Ta, 5.2 wt % or more and 7.0 wt % or less of Al, 0.1 wt % or more and 2.0 wt % or less of Ti, 0.05 wt % or more and 0.3 wt % or less of Hf, 1.0 wt % or less of Nb and less than 3.0 wt % of Re with the remainder including Ni and unavoidable impurities. This Ni-based single crystal superalloy has a low Re content and also has excellent high-temperature strength, mainly creep strength.

Abstract: The invention is directed to a novel computer implemented method for finding a modulation format that has better receiver sensitivity than modulation formats that are currently being used, with a correlated symbol modulation in which neighboring symbols are coded and decoded together to increase receiver sensitivity.

Abstract: A vehicle detection apparatus according to an embodiment comprises a controller detecting a vehicle from an image obtained by photographing the vehicle. The controller extracts a plurality of line-segment components indicating a boundary between a specific region of the vehicle and a vehicle body and included in the image. The controller measures a position of the vehicle based on coordinate information between the extracted line-segment components and photographing position information of the image.

Abstract: A Ni-based single crystal superalloy which has the following composition: Co: 4.0 to 9.5 wt %, Cr: 5.1 to 8.0 wt %, Mo: 2.1 to 3.5 wt %, W: 0.0 to 2.9 wt %, Ta: 4.0 to 10.0 wt %, Al: 4.5 to 6.5 wt %, Ti: 0.0 to 1.0 wt %, Hf: 0.08 to 0.5 wt %, Nb: 0.0 to 3.0 wt %, Re: 4.5 to 8.0 wt % and Ru: 0.5 to 6.5 wt % with the remainder including Ni and unavoidable impurities, wherein P1?700 is satisfied in which P1 represents a parameter 1, which is obtained by a formula: P1=137×[W(wt %)]+24×[Cr(wt %)]+46×[Mo(wt %)]?18×[Re(wt %)].

Abstract: A shaft structure including: a male component having male spline parts and male spline bottom parts on an outer peripheral part; a female component having female spline parts and female spline bottom parts on an inner peripheral part configured to allow the male component to be slidably inserted in an axial direction; and an elastic member arranged on the male component covering a surface of the outer peripheral part of the male component, wherein, in an initial state where the male component is inserted into the female component, the female and male components have first gaps between: sides of the female spline parts; and sides-facing portions of the elastic member, and when the male component is rotated, a time from the initial state to a state where the sides of the female spline parts abut on the portions of the elastic member, has predetermined time differences along the axial direction.

Abstract: Methods and systems for transmission and reception of ternary phase-shift keyed data that include mapping triplets of binary bits to pairs of ternary symbols, such that three bits of data are encoded across two symbols having three-point constellations; modulating the pairs of ternary symbols onto a carrier; and transmitting the modulated carrier across a transmission medium.

Abstract: The sliding characteristic of a ball portion is improved, the durability of a ball sheet is improved, and an impact on the ball portion is absorbed. A ball joint includes a ball stud and a supporting body housed in a housing. Between a ball portion and the supporting body, a ball sheet is provided. The ball sheet is constituted by fabric impregnated with rubber or resin.