A tire monitoring device configured to be mounted on a wheel and including: a pressure sensor for sensing an inflation pressure of a tire on the wheel; a wireless communication interface configured to receive data indicative of a command to indicate tire pressure, wherein the wireless communication interface is configured to communicate with at least one other tire monitoring device; a storage storing a predetermined pressure value; an indicator configured to provide a first indication and a second indication, wherein the first indication is different from the second indication; and a processing system configured to operate the indicator to provide the first indication or the second indication responsive to receipt of the command to indicate tire pressure, and based at least in part on the inflation pressure and the predetermined pressure value.

Provided is a tire pressure monitoring system learning method, device, sensor, system and medium. The tire pressure monitoring system learning method comprises following steps: receiving low-frequency data sent by a low-frequency trigger equipment; determining a command type corresponding to the low-frequency data; acquiring a preset tire pressure data in the low-frequency data if the command type is a sending command of custom high-frequency data, wherein the preset tire pressure data is used for simulating data sent by the tire pressure sensor to a vehicle-mounted ECU in a preset learning scene; generating high-frequency data based on a pre-stored high-frequency configuration parameter and the preset tire pressure data, and sending the high-frequency data to the vehicle-mounted ECU. The technical solution of the application enables the tire pressure sensor to send high-frequency data which can be identified by different vehicle-mounted ECUs, thus improving the adaptability of the tire pressure sensor.

A tire pressure detection system that includes a plurality of transmission apparatuses that transmit a request signal for requesting air pressure information of a tire of a vehicle, a detection apparatus that detects air pressure in a tire in accordance with the request signal, and transmits a response signal that includes air pressure information, and an acquisition apparatus that receives the response signal, and acquires the air pressure information, and, in a case of an abnormality where a response signal in response to the request signal of one transmission apparatus is not received by the acquisition apparatus after the one transmission apparatus has transmitted the request signal to the detection apparatus, another transmission apparatus transmits a high-power request signal of a higher output level than the request signal of the one transmission apparatus.

A method for controlling a trigger of an activation of a function by a control module housed in a wheel unit and communicating, via a communication module, which includes a first clock employing a crystal oscillator and which communicates via UHF radio waves, with outside the wheel unit, requests to activate a function to be performed at a predetermined time being transmitted to the control module. When an activation is required, a first count of time to activation is started in the communication module by the first clock, a request to activate being transmitted from the communication module to the control module which, upon receipt, is reconfigured in order to activate the function at the predetermined time, an end of the count in the communication module being transmitted to the control module, in order for the trigger to occur at the predetermined time.

A system for monitoring of a vehicle with an inflation signaling apparatus having at least one inflation reporting assembly. The inflation reporting assembly may be configured to wirelessly transmit an information signal including an identification (ID) code. The system may also include at least one vehicle monitoring apparatus configured to monitor a characteristic of the vehicle based upon the inflation signaling apparatus associated with the vehicle. The vehicle monitoring apparatus may be configured to sense a presence of the inflation reporting assembly proximate to the vehicle monitoring apparatus via reception by the monitoring apparatus of a transmission of the ID code by the inflation signaling apparatus associated with the vehicle.

A sensor transceiver transitions into a first state that is capable of receiving RF waves intermittently. Upon starting to receive a burst signal on RF waves from a vehicle-body system under the first state, the sensor transceiver transitions into a second state that is capable of receiving RF waves continuously. Upon receiving a request signal on RF waves from the vehicle-body system under the second state, the sensor transceiver transmits data on tire pressure to the vehicle-body system.

According to one embodiment, a method of improved communication between a wheel unit sensor and a master controller is disclosed. In this particular embodiment, the method includes determining, by the wheel unit sensor, whether a receive schedule of the wheel unit sensor indicates that a receive window has started. The method also includes in response to determining that the receive schedule indicates that the receive window has started, turning-on, by the wheel unit sensor, for the duration of the receive window, a wireless receiver of the wheel unit sensor. In this embodiment, the wireless receiver is configured to receive messages from the master controller.

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.

Embodiments of the present invention relate to the field of automotive technologies, and disclose a tire location positioning method and apparatus, a tire pressure monitoring system (TPMS) receiver, a tire pressure sensor, a TPMS and an automobile. The method includes: controlling a first exciter to send a first excitation signal, and controlling a second exciter to send a second excitation signal; respectively receiving response signals that are generated according to the first excitation signal or the second excitation signal by all tire pressure sensors; performing positioning on front and rear wheels according to times when the response signals are received, to identify response signals sent by tire pressure sensors of the front and rear wheels; and performing positioning on left and right wheels according to the signal strength information, to identify response signals sent by tire pressure sensors of the left and right wheels.

Tire health sensor assembly for arrangement in a vehicle tire formed by a housing arranged for accommodating a magnet assembly formed by at least one magnet, a sensor module including at least one tire pressure sensor, power means in the form of at least one battery or capacitor and/or energy harvester, and a communication module wherein the magnet assembly and sensor module are arranged at lower part of the housing providing the housing, and accordingly the tire health sensor assembly, with a centre of gravity at lower part of the housing which together with magnetic force of the magnet assembly are arranged to self-align/correct the tire health sensor assembly in relation to an inner circumferential surface of the tire, and attachment to a metal cord of the tire or metal wheel of the tire.