Abstract: Provided is a non-oriented electrical steel sheet including a base metal having a chemical composition containing, by mass %, C: 0.0050% or less, Si: more than 3.70% and 4.60% or less, Mn: more than 0.20% and 0.50% or less, Al: 0.23-0.75%, P: 0.030% or less, S: 0.0018% or less, N: 0.0040% or less, Sn: 0.005-0.040%, Sb: 0-0.040%, with a balance of Fe and impurities, and satisfying [4.2?Si+Al+0.5×Mn?4.9], wherein [N]s, an N content from the surface to 20 ?m in depth of the base metal, is 0.0060% or less, an average crystal grain size of the base metal is 50 to 120 ?m, a saturation magnetic flux density is 1.945T or more, a tensile strength is 600 MPa or more, and a sheet thickness is 0.10 to 0.30 mm.

Abstract: A mobile warning apparatus according to one aspect of the present disclosure includes a velocity calculator, a position determiner, and an eliminator. The velocity calculator calculates one or more relative velocities of one or more observed points. The position determiner determines whether the observed points are in a predetermined proximity extent. The eliminator eliminates, in response to determination that the observed points are in the predetermined proximity extent, all the observed points from a warning target.

Abstract: This non-oriented electrical steel sheet includes a base material having a chemical composition containing, by mass %, C: 0 to 0.0050%, Si: 3.8 to 4.9%, Mn: 0.05 to 1.20%, sol. Al: more than 0.02% and 0.50% or less, P: 0 to 0.030%, S: 0 to 0.0030%, N: 0 to 0.0030%, Ti: 0% or more and less than 0.0050%, Nb: 0% or more and less than 0.0050%, Zr: 0% or more and less than 0.0050%, V: 0% or more and less than 0.0050%, Cu: 0% or more and less than 0.200%, Ni: 0% or more and less than 0.500%, Sn: 0 to 0.100%, Sb: 0 to 0.100%, and the balance: Fe and impurities, wherein the non-oriented electrical steel sheet satisfies [4.3?Si+sol. Al+0.5×Mn?5.0], [B50(0°)?B50(45°)?0.16], and [B50(0°)+2×B50(45°)+B50(90°)/4?1.57], and has tensile strength of 580 MPa or greater.

Abstract: An object detection apparatus is mounted to a vehicle and detects an object by a reflected wave of a probe wave. The object detection apparatus calculates a relative velocity of the object to the vehicle, estimates an azimuth of the object relative to the vehicle, and corrects the estimated azimuth. The object detection apparatus generates a velocity-azimuth curve that indicates a relationship between the relative velocity of the object and the azimuth of the object that is calculated based on a theoretical mounting angle of the object detection apparatus, supplies a weight to an azimuth error that is an error between the velocity-azimuth curve and the estimated azimuth, based on the estimated azimuth, and calculates a correction value of the estimated azimuth by calculating, as an actual mounting angle deviation of the object detection apparatus, a weighted average value of the azimuth error to which the weight is supplied.

Abstract: This non-oriented electrical steel sheet includes a base material having a chemical composition including Si: 3.7 to 4.8%, wherein a recrystallization rate is less than 100% in terms of an area fraction, the following Formula (i) and Formula (ii) are satisfied, and the tensile strength is more than 700 MPa. 4.3?Si+sol. Al+0.5×Mn?4.9??(i) (B50(0°)+2×B50(45°)+B50(90°))/4?1.

Abstract: The alarm device includes an acquisition part, an alarm judging part, a notification part, a static extraction part, a shielding boundary setting part, and a suppression part. The acquisition part acquires reflection point information and object information. The alarm judging part determines whether the object is an alarm candidate for each of the objects. The notification part issues a notification regarding the alarm candidates. The static extraction part extracts static reflection points. The shielding boundary setting part sets an approximate straight line as a shielding boundary by robust estimation. The suppression part suppresses notification of alarm candidates that are on the opposite side of the shielding boundary.

Abstract: A driving assistance device includes an object detection unit, an acquisition unit acquiring a first value of a relative speed of an approaching object with respect to an own vehicle, a ghost determination unit, and an assistance determination unit. The ghost determination unit calculates a second value of the relative speed of the approaching object in accordance with a speed of the own vehicle and a value of the relative speed of a following object located between the own vehicle and the approaching object; calculates, as a speed difference, an absolute difference between the first value of the relative speed and the second value of the relative speed; calculates, as an azimuth difference, an absolute difference between an azimuth of the following object and an azimuth of the approaching object; and determines whether the approaching object is the ghost target based on the speed difference and the azimuth difference.

Abstract: A pneumatic tire comprises a first sound damper fixed to a tire inner surface and being made of a sponge material; a second sound damper disposed on a tire internal space side of the first sound damper, and being made of a sponge material; and a communication device retained between the first sound damper and the second sound damper. The second sound damper has a hardness in a range of greater than 25N and no greater than 55N. The first sound damper has a hardness in a range of no less than 25N and less than 55N. The hardness of the second sound damper is greater than the hardness of the first sound damper. The hardness is measured in accordance with the Method A in Section 6.4 of the test methods as defined under the Hardness Tests in Section 6 of JIS K6400-2 (2012).

Abstract: A pneumatic tire in accordance with the present disclosure comprises a first sound damper fixed to a tire inner surface and being made of a sponge material; a second sound damper disposed on a tire internal space side of the first sound damper, and being made of a sponge material; and a communication device retained between the first sound damper and the second sound damper, wherein the second sound damper has a hardness greater than a hardness of the first sound damper.

Abstract: An object detection apparatus is mounted to a vehicle and detects an object by a reflected wave of a probe wave. The object detection apparatus calculates a relative velocity of the object to the vehicle, estimates an azimuth of the object relative to the vehicle, and corrects the estimated azimuth. The object detection apparatus generates a velocity-azimuth curve that indicates a relationship between the relative velocity of the object and the azimuth of the object that is calculated based on a theoretical mounting angle of the object detection apparatus, supplies a weight to an azimuth error that is an error between the velocity-azimuth curve and the estimated azimuth, based on the estimated azimuth, and calculates a correction value of the estimated azimuth by calculating, as an actual mounting angle deviation of the object detection apparatus, a weighted average value of the azimuth error to which the weight is supplied.

Abstract: A mobile warning apparatus according to one aspect of the present disclosure includes a velocity calculator, a position determiner, and an eliminator. The velocity calculator calculates one or more relative velocities of one or more observed points. The position determiner determines whether the observed points are in a predetermined proximity extent. The eliminator eliminates, in response to determination that the observed points are in the predetermined proximity extent, all the observed points from a warning target.

Abstract: An insulating coating for an electrical steel sheet is provided that is formed on a surface of a base metal of the electrical steel sheet and that contains a polyvalent metal phosphate of one or more elements selected from Al, Zn, Mg and Ca, and has an enriched layer of a divalent metal at an interface with the surface of the base metal. An enrichment of the divalent metal contained in the enriched layer is 0.01 g/m2 or more and less than 0.2 g/m2.

Abstract: A non-oriented electrical steel sheet includes, as a chemical composition, by mass %: C: 0.0015% to 0.0040%; Si: 3.5% to 4.5%; Al: 0.65% or less; Mn: 0.2% to 2.0%; Sn: 0% to 0.20%; Sb: 0% to 0.20%; P: 0.005% to 0.150%; S: 0.0001% to 0.0030%; Ti: 0.0030% or less; Nb: 0.0050% or less; Zr: 0.0030% or less; Mo: 0.030% or less; V: 0.0030% or less; N: 0.0010% to 0.0030%; O: 0.0010% to 0.0500%; Cu: less than 0.10%; Ni: less than 0.50%; and a remainder including Fe and impurities, in which a product sheet thickness is 0.10 mm to 0.30 mm, an average grain size is 10 ?m to 40 ?m, an iron loss W10/800 is 50 W/Kg or less, a tensile strength is 580 MPa to 700 MPa, and a yield ratio is 0.82 or more.

Abstract: The alarm device includes an acquisition part, an alarm judging part, a notification part, a static extraction part, a shielding boundary setting part, and a suppression part. The acquisition part acquires reflection point information and object information. The alarm judging part determines whether the object is an alarm candidate for each of the objects. The notification part issues a notification regarding the alarm candidates. The static extraction part extracts static reflection points. The shielding boundary setting part sets an approximate straight line as a shielding boundary by robust estimation. The suppression part suppresses notification of alarm candidates that are on the opposite side of the shielding boundary.

Abstract: A driving assistance device includes an object detection unit, an acquisition unit acquiring a first value of a relative speed of an approaching object with respect to an own vehicle, a ghost determination unit, and an assistance determination unit. The ghost determination unit calculates a second value of the relative speed of the approaching object in accordance with a speed of the own vehicle and a value of the relative speed of a following object located between the own vehicle and the approaching object; calculates, as a speed difference, an absolute difference between the first value of the relative speed and the second value of the relative speed; calculates, as an azimuth difference, an absolute difference between an azimuth of the following object and an azimuth of the approaching object; and determines whether the approaching object is the ghost target based on the speed difference and the azimuth difference.

Abstract: A tire which includes a carcass which extends from a pair of bead portions through a sidewall portion to reach a tread portion and an inner liner disposed at an inner circumferential surface of a tire main body is provided. The tire further includes a sound control layer which covers at least a part of an inner circumferential surface of the tire. The inner liner includes an end in a tire width direction annularly extending in a tire circumferential direction on the inner circumferential surface of the tire main body. The sound control layer is fixed on the end in a tire width direction to cover at least a part of a periphery of the end in a tire width direction of the inner liner.

Abstract: A pneumatic tire in accordance with the present disclosure comprises a first sound damper fixed to a tire inner surface and being made of a sponge material; a second sound damper disposed on a tire internal space side of the first sound damper, and being made of a sponge material; and a communication device retained between the first sound damper and the second sound damper, wherein the second sound damper has a hardness greater than a hardness of the first sound damper.

Abstract: An electrical steel sheet has an insulation coating on a steel sheet surface. The insulation coating includes: a binder consisting of 100 parts by mass of a metal phosphate and 1 to 50 parts by mass of an organic resin having an average particle size of 0.05 to 0.50 ?m; and a carboxylic acid-containing compound with a carbon number of 2 to 50 in an amount of 0.1 to 10.0 parts by mass based on 100 parts by mass of solids content of the binder. The organic resin is at least one selected from the group consisting of acrylic resins, epoxy resins, and polyester resins. The insulation coating of this electrical steel sheet shows good edge corrosion resistance after blanking.

Abstract: A pneumatic tire in accordance with the present disclosure comprises a first sound damper fixed to a tire inner surface and being made of a sponge material; a second sound damper disposed on an inner-tire space side of the first sound damper, and being made of a sponge material; and a sensor retained to at least the first sound damper, the sensor being configured to detect a displacement of the tire inner surface or a physical quantity calculable based on the displacement of the tire inner surface, wherein the first sound damper has a hardness greater than a hardness of the second sound damper.

Abstract: A tire includes a pair of bead portions, a pair of sidewall portions arranged at an outer side in a tire radial direction of the bead portions and a tread portion arranged between the sidewall portions, and a reinforcing rubber layer is provided to the sidewall portions. The reinforcing rubber layer extends over at least a part of the tread portion from the sidewall portions. The tire further includes a sound control layer which covers at least a part of an inner circumferential surface of the tire. The sound control layer is not laminated on the reinforcing rubber layer.