Tires including a bodies formed of one or more tire plies are disclosed. In various implementations, a tire may include several split-ring resonators (SRRs), each associated with a natural resonance frequency configured to shift in response to a change in an elastomeric property of a respective one or more tire plies. The elastomeric property may include one or more of a reversible deformation, stress, or strain. In some implementations, the one or more SRRs may include a first split-ring resonator (SRR) including first carbon particles that may uniquely resonate in response to an electromagnetic ping based at least in part on a concentration level of the first carbon particles within the first SRR and a second SRR including second carbon particles that may uniquely resonate in response to the electromagnetic ping based at least in part on a concentration level of the second carbon particles within the second SRR.

A tire data information system includes at least one tire that supports a vehicle and a processor. At least one sensor is mounted on the tire and is in electronic communication with the processor. The sensor measures a temperature and a pressure of the tire. A memory for storing tire identification information is in electronic communication with the processor. A tire wear state estimator generates a wear state of the tire and is in electronic communication with the processor. A tire wear rate estimator generates a wear rate of the tire and is in electronic communication with the processor. An antenna transmits the temperature, pressure, identification information, wear state, and wear rate of the tire to a display device that is accessible to a user of the vehicle. The display device includes indicators for showing the temperature, pressure, identification information, wear state, and wear rate to the user.

A tire temperature monitoring system, method, and associated devices for installation into a vehicle. The system and method adapted to determine the optimal tire temperature for increased vehicle performance through the collection of tire temperature, various external conditions, historical data, and predictive algorithms to inform a user to the optimal temperature through a visual display.

The present invention relates generally to an automobile tire pressure display, which has a host matching the tire pressure detectors of any brands to achieve monitoring effect, comprising a MCU, a low frequency transmitting unit, a radio frequency receiving/transmitting unit and a database unit; in implementation, the MCU sends different low frequency commands to wake up the tire pressure detector, and receives the radio frequency signal from the tire pressure detector, which is matched with the vehicle type protocols in the database unit, if the judgment succeeds, the MCU records the vehicle type protocol and monitors the pressure and temperature values of tire pressure detector; on the contrary, if the judgment fails, the commands are sent and the signals are received continuously to judge whether the vehicle type protocol is correct or not, till success and it is recorded in the database unit.

A method of sensing wheel rotation can include: sensing magnetic force information in an environment of a wheel by a magnetometer to obtain measured magnetic force information; generating relative magnetic force information by performing mathematical operation processing in accordance with the measured magnetic force information, where the relative magnetic force information does not change with geomagnetic field and does change with a rotation angle of a wheel; and obtaining angle information related to the rotation angle of the wheel in accordance with the relative magnetic force information.

A tire-pressure monitoring system (TPMS) sensor module comprises a pressure sensor, which is configured to measure an internal air pressure of a tire and to generate tire pressure information, an additional, optional sensor, a transmitting/receiving device, a microcontroller unit which is configured to operate the TPMS sensor module in one of three or more different operating modes, wherein a first operating mode includes an inactive standby state, a second operating mode includes a measurement of a physical parameter using the pressure sensor and/or the additional sensor and reading the pressure sensor and/or the additional sensor using the microcontroller unit, and a third operating mode, and wherein in the second operating mode the microcontroller unit is configured to initiate a changeover from the second operating mode to the third operating mode when reading out a specified measurement event.

A functional component capable of stably detecting information indicative of a usage state of a tire, including an electronic component capable of acquiring information on a tire is housed and which is attachable to an inner circumferential surface of the tire; a housing having a housing part in which the electronic component is housed and a bottom surface to be opposed to the inner circumferential surface of the tire; a strain detection means provided on the bottom surface and configured to detect strain of the tire; a support part extending from the bottom surface toward the inner circumferential surface of the tire and more protruding than a surface of the strain detection means; and an elastic part made of an elastomer having a rigidity smaller than that of a material forming the support part and interposed between the bottom surface and the inner circumferential surface of the tire.

A tire pressure monitoring module of a vehicle, a tire localization system and a tire localization method of a vehicle are provided. Each of tires is determined to be a left tire or a right tire based on a phase relationship of components of magnetic field intensity in two different directions in the tire. The components of magnetic field intensity in two different directions are measured by a magnetometer in the tire pressure monitoring module. The tire is determined to be a front tire or a right tire based on magnitude of an AOA of a first Bluetooth module in the tire pressure monitoring module relative to a multi-antenna Bluetooth host. In this way, the tires of the vehicle are positioned automatically with a high precision. In addition, the tire pressure monitoring module may be mounted on any tire without any distinction, which reduces the installation cost.

A road surface state determination apparatus includes a plurality of tire-side devices each of which detects vibration applied to corresponding tire and produces road surface data indicative of a road surface state based on data of the vibration, and a vehicle-body-side system that determines the road surface state based on the road surface data.

A tire inflation system for use with a vehicle includes an airflow regulator configured to adjust a tire pressure of an inflatable tire coupled to an axle included in a wheel-axle system of a vehicle. The tire inflation system may further include a controller including a processor and a memory, the memory having stored therein a plurality of instructions that when executed by the processor cause the controller to receive data indicative of a force load acting on the axle and adjust the airflow regulator to cause the airflow regulator to control the tire pressure of the inflatable tire based on the data indicative of the force load acting on the axle.