Abstract: A tire state monitoring system includes: tire state acquisition devices installed on tires of a host vehicle, each of the tire state acquisition devices being configured to acquire a tire state quantity; a monitoring device configured to receive an output signal from each of the tire state acquisition devices and perform predetermined processing; and an alerting device configured to issue an alert to a following vehicle. In addition, the monitoring device causes the alerting device to operate when a predetermined abnormality has arisen in the tire state quantity.

Abstract: A pneumatic tire has a plurality of long radially extending ridges disposed at intervals in the tire circumferential direction on at least one side section of the tire, the ridges being non-uniformly disposed around the tire circumferential direction. The ridges are disposed, for example, so that the angles ? between the ridges vary in the tire circumferential direction.

Abstract: A turn signal device comprising: a right-turn signal and a left-turn signal provided in a host vehicle; an operation device for generating operation signals; an acquisition unit that acquires determination signals indicating determination results regarding the risk of a collision between the host vehicle and a following vehicle; a normal situation control unit that, based on the operation signals, outputs normal situation control signals such that light-emitting units for either or both the left-turn signal and the right-turn signal light up sequentially from an inner side to an outer side in the vehicle width direction; and a dangerous situation control unit that outputs dangerous situation control signals such that, when a determination signal indicates a determination result that there is a risk of collision, the light-emitting units for both the left-turn signal and the right-turn signal light up sequentially from the outer side to the inner side.

Abstract: A pneumatic tire includes a plurality of protrusion portions extending along a tire side surface of a tire side portion in a direction that intersects a tire circumferential direction and a tire radial direction. Each of the plurality of protrusion portions includes an intermediate portion and an end portion. The intermediate portion in an extension direction has a highest position of a projection height from the tire side surface. The end portion is provided on either end of the intermediate portion in the extension direction, and has a lowest position of the projection height from the tire side surface. The highest position of the projection height of the intermediate portion is disposed in a range of 20% of a tire cross-sectional height on an inner side and an outer side in the tire radial direction from a tire maximum width position.

Abstract: A pneumatic tire includes a plurality of protrusion portions extending along a tire side surface of a tire side portion in a direction that intersects a tire circumferential direction and a tire radial direction; the plurality of protrusion portions each including an intermediate portion in an extension direction that includes a highest position of projection height from the tire side surface, and an end portion on either side of the intermediate portion in the extension direction that includes a lowest position of projection height from the tire side surface. The highest position of projection height of the intermediate portion is in a range of 20% of a tire cross-sectional height from a tire maximum width position to an inner side and an outer side in the tire radial direction, and a ratio of a total width SW and an outer diameter OD satisfies a relationship of SW/OD?0.3.

Abstract: A circumferential direction protrusion is provided extending longitudinally mainly along a tire circumferential direction on a side outward in a tire radial direction from a maximum tire width position on at least a first tire side portion of a tire.

Abstract: A circumferential direction protrusion is provided extending longitudinally mainly along a tire circumferential direction on a side outward in a tire radial direction from a maximum tire width position on at least a first tire side portion of a tire.

Abstract: Provided is a pneumatic tire. One terminal of a carcass layer extends to a ground contact edge of a tread portion positioned on an opposite side with respect to a tire center line as a reference. The carcass layer has a double layer structure including an inner layer positioned inward in a tire radial direction in a tread region and an outer layer positioned outward in the tire radial direction of the inner layer in the tread region. A cord angle in the carcass layer in a tread central region with respect to a tire circumferential direction is different from a cord angle in at least one of the inner layer and the outer layer of the carcass layer in a side region with respect to the tire circumferential direction.

Abstract: Provided is a pneumatic tire including a belt layer. When the tread region indicates a region corresponding to a belt width of the belt layer and the side region indicates a region inward of a tire radial direction with respect to a tire maximum width position, the carcass cords forming the carcass layer are inclined with respect to the tire radial direction in the tread region, and at the same time, extend along the tire radial direction in the side region. The carcass cords forming the carcass layer and belt cords forming the belt layer cross with each other in the tread region.

Abstract: Provided is a pneumatic tire. Both terminals of a carcass layer are overlapped with each other in a tread region. The carcass layer has a triple layer structure including an inner layer positioned most inward in a tire radial direction in the tread region, an outer layer positioned most outward in the tire radial direction in the tread region, and an intermediate layer positioned between the inner layer and the outer layer in the tread region. A cord angle in the carcass layer in a tread central region with respect to a tire circumferential direction differs in at least one of the inner layer, the outer layer, and the intermediate layer from a cord angle in the carcass layer in a side region with respect to the tire circumferential direction.

Abstract: A first main body portion and a second main body portion of an electronic package are mounted on a mount portion of a support body, first metal projections are caused to enter first receiving recesses, and second metal projections are caused to enter second receiving recesses. When a clip member is mounted in the a first direction, the first metal projections are pressed by first pressing portions of the clip member, the second metal projections are pressed by second pressing portions of the clip member, and an elastic piece is pressed against a rear side of the support body. Thus, the electronic package is secured.

Abstract: A host vehicle is provided with a detection device that detects the behavior of an object in the surroundings of the host vehicle in a non-contact manner. The host vehicle is also provided with the following: a warning device that performs a warning operation pertaining to a warning directed at a following vehicle that is traveling behind the host vehicle; and a control device that controls the warning device on the basis of the result of detection by the detection device. The control device controls the warning device so as to perform the warning operation in a case where the result of detection by the detection device indicates that the behavior of an object in the surroundings of the host vehicle corresponds to an unnatural behavioral pattern.

Abstract: The pneumatic tire having a vehicle inner/outer orientation when mounted on a vehicle includes: protrusions provided on a vehicle inner side on a tire side portion in a tire circumferential direction; and a plurality of recesses provided on a vehicle outer side on a tire side portion, wherein the height of projection of the protrusions from the tire side portion is more than 4 mm and not more than 10 mm, the protrusions are formed elongated and the bending rigidity in a lateral direction satisfies a range not less than 0.1 MPa·mm4 and not more than 10,000 MPa·mm4.

Abstract: A driver state detection unit is configured to detect a state of a driver of a host vehicle. An environment detection unit is configured to detect an environment in which the host vehicle is traveling. A time setting unit is configured to set a predetermined time period on the basis of the detected environment. An external warning device is configured to perform an external warning operation that warns another vehicle traveling in the vicinity of the host vehicle. When a time determination unit determines that the predetermined time period has elapsed, an internal warning device is configured to perform an internal warning operation that warns the driver of the host vehicle.

Abstract: A collision avoidance system comprises: a following vehicle data acquiring unit that acquires following vehicle data indicating the relative position and relative speed of a following vehicle traveling behind the host vehicle; a travel data acquiring unit that obtains travel data indicating travel conditions for the host vehicle; a specific state extraction unit that extracts specific travel data indicating specific travel conditions for the host vehicle under which the possibility of a collision between the host vehicle and the following vehicle is high; a database unit storing a plurality of pieces of specific travel data; a determination unit that determines whether or not there is the possibility of a collision between the host vehicle and the following vehicle; and a warning data output unit that outputs warning data to the following vehicle if the determination unit determines that there is the possibility of a collision.

Abstract: Route information indicating a preset route is acquired. Host vehicle position information indicating the position of a host vehicle is acquired. It is detected whether a direction indicator providing advance notice of a traveling direction of the host vehicle is on or off. If the position of the host vehicle agrees with a position on the route, the position of the host vehicle approaches a position to turn on the route, and it is detected that the direction indicator is off, a warning operation pertaining to a warning directed at another vehicle traveling in the vicinity of the host vehicle is performed.

Abstract: A collision avoidance system includes: an onboard acquisition unit provided in a vehicle traveling on a road that acquires state quantity data indicating a state quantity of a pneumatic tire of the vehicle; an onboard transmission unit provided in the vehicle that transmits the state quantity data acquired by the onboard acquisition unit to a data acquisition roadside device installed on the road; an abnormality determination unit that determines whether or not the state quantity data is abnormal; and a management device including a data acquisition unit that acquires the state quantity data from the data acquisition roadside device, a data storage unit that stores the state quantity data acquired by the data acquisition unit, and a data distribution unit that distributes the state quantity data determined as abnormal by the abnormality determination unit.

Abstract: In a collision prevention system, a control device defines a collision danger level X such that larger values indicate increased possibility of a following vehicle colliding into a host vehicle due to behavior of the host vehicle, and defines a proximity Pr such that larger values indicate shorter inter-vehicle distance or greater relative velocity between the host vehicle and the following vehicle. When a change in amount ?X/?t of the collision danger level X and a threshold value Kxa have a relationship Kxa??X/?t, the control device changes a first threshold value Kpr of the proximity Pr to a second threshold value Kpr? lower than the first threshold value Kpr, and actuates a warning device when the collision danger level X and the threshold value Kx have a relationship Kx?X and the proximity Pr and the second threshold value Kpr? have a relationship Kpr??Pr.

Abstract: A pneumatic tire comprises a plurality of protrusion portions extending along a tire side surface of a tire side portion in a direction that intersects a tire circumferential direction and a tire radial direction; the plurality of protrusion portions each including an intermediate portion in an extension direction that includes a highest position of projection height from the tire side surface, and tip portions on either side of the intermediate portion in the extension direction that include a lowest position of projection height from the tire side surface, at least the intermediate portion being only disposed outward of a tire maximum width position in the tire radial direction; and a ratio of a total width SW to an outer diameter OD satisfying the relationship SW/OD?0.3.

Abstract: A pneumatic tire comprises a plurality of protrusion portions extending along a tire side surface of a tire side portion in a direction that intersects a tire circumferential direction and a tire radial direction; the plurality of protrusion portions each including an intermediate portion in an extension direction that includes a highest position of projection height from the tire side surface, and tip portions on either side of the intermediate portion in the extension direction that include a lowest position of projection height from the tire side surface; and the plurality of protrusion portions including a radially outer protrusion portion with at least the intermediate portion disposed outward of a tire maximum width position in the tire radial direction, and a radially inner protrusion portion with at least the intermediate portion disposed inward of the tire maximum width position in the tire radial direction.