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: Disclosed is a tire including: at least one pin protruding from an inner circumferential surface of a tread portion of the tire toward a tire radial direction inner side; and a noise damper caught by the at least one pin, wherein the at least one pin has a distal end with a diameter smaller than that of portions other than the distal end.

Abstract: A tire anti-theft system includes a transmitter attached to a tire and configured to transmit tire ID information; a first database configured to store vehicle ID information and tire ID information of a tire mounted on the vehicle; a second database configured to store the tire ID information and tire status information indicating whether or not the tire identified with the tire ID information is stolen tire; and a vehicle control apparatus, in which the vehicle control apparatus includes a reader configured to perform near field communication with the transmitter attached to the tire mounted on a vehicle to be controlled and acquire the tire ID information, and a controller configured to, in a case where the reader acquires the tire ID information, restrict operation of the vehicle to be controlled if information indicating that the tire is stolen tire is stored in association with the tire ID information.

Abstract: Provided is a technology that allows estrus of a sow to be accurately determined without relying on experience or in intuition of an observer. An estrus determination device for a sow includes a measurement unit that measures, per unit time, a frequency of standing up and lying down of a sow raised in a stall and a determination unit that determines estrus of the sow on the basis of a plurality of frequencies repetitively measured by the measurement unit over a set given period.

Abstract: Provided is a technology that allows easy evaluation of a degree of growth of pigs raised in a group instead of guiding the pigs one by one to a cage. A growth evaluation device includes an extraction unit that extracts, from an image captured by a camera disposed to face a pen in which the plurality of pigs are raised in the group, a buttock image having buttocks of one of the pigs facing forward, an arithmetic unit that arithmetically determines a buttock width from the buttock image, and an evaluation unit that evaluates the degree of growth of all the plurality of pigs on the basis of a prescribed number or more of the buttock widths arithmetically determined by the arithmetic unit.

Abstract: An information presentation system includes an information presentation apparatus, a transmitter attached to a tire and configured to transmit tire ID information for identifying the tire, and a database configured to store tire ID information of tires which are genuine products, and the information presentation apparatus includes a reader configured to perform near field communication with the transmitter, to acquire the tire ID information transmitted by the transmitter, and a controller configured to cause an information presenter to present information indicating that the tire identified with the tire ID information is a genuine product in a case where the tire ID information is stored in the database, and/or cause the information presenter to present information indicating that the tire identified with the tire ID information is a counterfeit product in a case where the tire ID information is not stored in the database.

Abstract: A tire theft monitoring system includes a transmitter attached to a tire and configured to transmit tire ID information, a second database configured to store the vehicle ID information of the vehicle and contact information of an owner of the vehicle in association with each other, and a monitoring apparatus mounted on a vehicle to be monitored, and the monitoring apparatus includes a reader configured to perform near field communication with the transmitter attached to the tire mounted on the vehicle to be monitored, to acquire the tire ID information, and a controller configured to, in a case where the reader cannot acquire the tire ID information, determine that the tire identified with the tire ID information has been stolen and make a notification to contact information stored in the second database in association with vehicle ID information of the vehicle to be monitored.

Abstract: A tire anti-theft system includes a transmitter attached to a tire and configured to transmit tire ID information; a first database configured to store vehicle ID information and tire ID information of a tire mounted on the vehicle; a second database configured to store the tire ID information and tire status information indicating whether or not the tire identified with the tire ID information is stolen tire; and a vehicle control apparatus, in which the vehicle control apparatus includes a reader configured to perform near field communication with the transmitter attached to the tire mounted on a vehicle to be controlled and acquire the tire ID information, and a controller configured to, in a case where the reader acquires the tire ID information, restrict operation of the vehicle to be controlled if information indicating that the tire is stolen tire is stored in association with the tire ID information.

Abstract: Disclosed is a tire including: at least one pin protruding from an inner circumferential surface of a tread portion of the tire toward a tire radial direction inner side; and a noise damper caught by the at least one pin, in which the at least one pin has on its distal end an expanded-diameter portion by which the noise damper is locked such that the noise damper is fixed to the at least one pin.

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: An information presentation system includes an information presentation apparatus, a transmitter attached to a tire and configured to transmit tire ID information for identifying the tire, and a database configured to store tire ID information of tires which are genuine products, and the information presentation apparatus includes a reader configured to perform near field communication with the transmitter, to acquire the tire ID information transmitted by the transmitter, and a controller configured to cause an information presenter to present information indicating that the tire identified with the tire ID information is a genuine product in a case where the tire ID information is stored in the database, and/or cause the information presenter to present information indicating that the tire identified with the tire ID information is a counterfeit product in a case where the tire ID information is not stored in the database.

Abstract: A tire rental management apparatus according to the present disclosure includes an input interface configured to accept input of a usage area and/or a usage period of a tire as a condition regarding rental of the tire to a user, and a controller configured to determine a tire in accordance with the usage area and/or the usage period input to the input interface as a rental tire among a plurality of tires for rental.

Abstract: A tire theft monitoring system includes a transmitter attached to a tire and configured to transmit tire ID information, a second database configured to store the vehicle ID information of the vehicle and contact information of an owner of the vehicle in association with each other, and a monitoring apparatus mounted on a vehicle to be monitored, and the monitoring apparatus includes a reader configured to perform near field communication with the transmitter attached to the tire mounted on the vehicle to be monitored, to acquire the tire ID information, and a controller configured to, in a case where the reader cannot acquire the tire ID information, determine that the tire identified with the tire ID information has been stolen and make a notification to contact information stored in the second database in association with vehicle ID information of the vehicle to be monitored.

Abstract: Disclosed is a tire including: at least one pin protruding from an inner circumferential surface of a tread portion of the tire toward a tire radial direction inner side; and a noise damper caught by the at least one pin, wherein the at least one pin has a distal end with a diameter smaller than that of portions other than the distal end.

Abstract: A tire rental management apparatus according to the present disclosure includes a memory configured to store rental history of each of a plurality of tires for rental, and a controller configured to estimate remaining life of a tire on the basis of the rental history of the tire stored in the memory and determine a rental tire in accordance with a period during which a user desires to rent a tire and the estimated remaining life.

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: 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.