A tire condition monitoring system includes transmitters that are respectively attached to wheel assemblies of a vehicle Each transmitter includes a power source, a data generating section a storage section that stores a correspondence relationship in which ranges obtained by dividing possible values of the detection value of a traveling state detecting section are respectively assigned to a plurality of specific angles set for the rotation angles of the wheel assemblies, and a transmission control section capable of performing specific angle transmission in which the transmission control section transmits the transmission data from the transmitting section when detecting that the rotation angle of the wheel assembly is any of the specific angles. When performing the specific angle transmission, the transmission control section transmits the transmission data when detecting that the rotation angle is the specific angle that corresponds to the detection value of the traveling state detecting section.

A method of acknowledging data transmissions for a tire pressure monitoring system (TPMS) sensor module includes generating tire pressure information based on measuring an internal air pressure of a tire; selectively operating a transceiver in an advertising mode and a standby mode; transmitting, by the transceiver, a message including the pressure information while in the advertising mode; on a condition that the transceiver receives, in the advertising mode, an acknowledgement in response to the transmitted message, setting the transceiver into the standby mode; while the transceiver is in the advertising mode and on a condition that the transceiver does not receive any acknowledgement in response to the transmitted message within a waiting period, instructing the transceiver to retransmit the message via a command; and retransmitting the message, by the transceiver, in the advertising mode after the waiting period in response to the command.

A tire pressure monitoring system (TPMS) and TPMS sensor module are provide. The TPMS sensor module includes a pressure sensor configured to measure an internal air pressure of a tire and generate tire pressure information, a microcontroller unit electrically connected to the pressure sensor, and a transceiver electrically connected to the microcontroller unit, the transceiver configured to transmit a message including the pressure information. Where, on a condition that the transceiver receives an acknowledgement in response to the transmitted message, the microcontroller unit is configured to set the transceiver into a standby mode, and, where, on a condition that the transceiver does not receive any acknowledgement in response to the transmitted message within a waiting period, the microcontroller unit is configured to instruct the transceiver to retransmit the message, and the transceiver is configured to retransmit the message after the waiting period.

A system is provided for assessing a condition of a tire. The system includes first and second individual modules, a data transmission gateway, and a collaboration device. The first and second individual modules are for assessing the condition of the tire. Each of the first and second individual modules includes a housing, which is structured to be placed on a ground surface, and a data transmitter. The housing includes at least one detector arranged to enable a parameter of the tire to be assessed as the tire passes over the housing. The data transmission gateway is structured to transmit data between the first and second individual modules and a remote database. The collaboration device is structured to enable data from the first individual module to be used collaboratively with data from the second individual module.

A tyre pressure sensor is mounted at the distal end of a valve stem mounted on a wheel. A protective assembly comprises a body which is releasably attached to the wheel, and a cap which is releasably attached to the body. The valve stem and pressure sensor are enclosed within the body and the cap.

A tire pressure sensor includes a pressure sensor element, a Bluetooth low-energy (BLE) interface and a microcontroller that is coupled to the pressure sensor element and the BLE interface. The microcontroller can be switched between an energy saving mode and an active operating mode. A battery is provided for voltage supply. The BLE interface is designed to establish a BLE communication with a reader designed for BLE communication and to initiate switch-over of the microcontroller from its energy saving mode to its active operating mode in response to the BLE communication being established.

A tire system includes a tire-side device and a vehicle-body-side system. The tire-side device may be attached to a tire included in a vehicle. The vehicle-body-side system may be attached to a body of the vehicle. The tire-side device may output a detection signal corresponding to each of a plurality of types of detection targets. The tire-side device may perform processing of the detection signal and generate the data related to the detection target. The tire-side device may perform bidirectional communication with the vehicle-body-side system and transmit the data to the vehicle-body-side system. The vehicle-body-side system may perform bidirectional communication with the tire-side device and receive the data. The vehicle-body-side system may acquire the detection result for the detection target based on the data.

A method can include generating analog signals from at least one pressure sensor mounted within a tire; by operation of analog-to-digital conversion (ADC) circuits of the pressure sensor, converting the analog signals into initial tire data; transmitting the initial tire data from the pressure sensor according to a first wireless communication protocol; receiving the initial tire data at a first intermediate device according to the first wireless standard, the intermediate device being disposed outside of the tire; and storing the initial tire data in the first intermediate device. By operation of the first intermediate device, relayed tire data configured for reception by a central tire monitoring system can be transmitted. The relayed tire data can correspond to the initial tire data. Corresponding devices and systems are also disclosed.

A tire pressure monitoring system (TPMS) includes a plurality of beacon transmitters each provided at different locations and each configured to transmit a plurality of beacons; a first TPMS sensor module configured to receive the plurality of beacons from each of the plurality of beacon transmitters, measure a signal strength of each of the plurality of beacons from each of the plurality of beacon transmitters, and transmit a signal including a first signal strength value for each of the plurality of beacon transmitters, each first signal strength value being representative of the measured signal strength of one or more of the plurality of beacons from a corresponding beacon transmitter of the plurality of beacon transmitters; and a control unit configured to receive the signal and determine a location of the first TPMS sensor module based on the first signal strength value for each of the plurality of beacon transmitters.

A tire pressure monitoring device can include: a magnetic sensor configured to measure a first magnetic field intensity in a first direction, and to measure second magnetic field intensity in a second direction; and a controller configured to control a state of the tire pressure monitoring device based on a variation of the first magnetic field intensity and a variation of the second magnetic field intensity.