A method for monitoring a tire condition includes the following steps: sense a rotational speed of a tire of a moving vehicle; when the sensed rotational speed reaches a predetermined rotational speed range, obtain a condition of the rotating tire through at least one sensor to generate a piece of first condition data; compare the first condition data with a plurality of pieces of pavement feature data to obtain the corresponding one; process with the obtained piece of pavement feature data and the first condition data to filter a pavement feature out of the first condition data, generating a piece of second condition data; determine whether the condition of the tire is abnormal based on the second condition data; and send out a warning message when the condition of the tire is determined as abnormal Whereby, the road security is improved.

A pneumatic tire comprises: a fastener disposed on a tire inner surface, the mechanical fastener being a first mechanical fastener of a separatable pair of mechanical fasteners composed of at least two fastener members; wherein a) the fastener members sandwich a rubber-coated fiber reinforced member and fix together; b) the fastener is disposed within a region such that the following relationship is satisfied: 0.05≦A/H≦0.4, where A is a height in a tire radial direction from a bead toe end to a center position (C) of the fastener, and H is a height of a cross section of the tire; and c) the fiber reinforced member includes fiber bundles disposed in alignment in at least one direction, and forms an angle (minor angle θ) with a tire circumferential direction such that: 30 degrees≦θ≦90 degrees.

Methods and apparatus for determining whether a vehicle tyre pressure check has been carried out, comprising: receiving from a pressure reader module a request for tyre pressure data indicative of a the pressure of a gas retained within a pneumatic tyre; storing, by a pressure check register, data indicating that the request for tyre pressure data was received; transmitting, by a transmitter to an apparatus, an indication confirming whether a tyre pressure check has been carried out based on whether the request for tyre pressure data was received; receiving, at the apparatus from a plurality of tyre pressure sensing modules, a plurality of indications of whether a tyre pressure reader has been used on each of the plurality of tyre pressure sensing modules to check a corresponding tyre pressure; and determining, by a pressure check confirmer, whether a vehicle tyre pressure check has been carried out based on the received plurality of indications.

A system for assessing operating conditions for a vehicle includes. a power source and first and second sensors coupled to the power source and configured to generate corresponding first and second sensor signals indicative of first and second operating conditions of the vehicle. The second operating condition is indicative of an operating state of the vehicle. A transmitter is coupled to the power source and configured to transmit an informational signal responsive to the first sensor signal. A controller is configured to receive the second sensor signal, determine, responsive to the second sensor signal, whether the operating state of the vehicle meets a predetermined condition and then provide control signals to one or both of the first sensor and the transmitter to control the sampling rate of the first sensor and/or the transmission rate of the transmitter depending on whether the operating state meets the predetermined condition.

A transmitter is configured to be attached to each of wheel assemblies in a vehicle and execute a process in accordance with a command included in a trigger signal. The transmitter includes a condition detecting section, a trigger receiving section which receives, as the trigger signal, an unmodulated wave having a received signal strength indication a transmitting section, and a controlling section. When the trigger receiving section receives the unmodulated wave, the controlling section causes the transmitting section to transmit the signal in response to the unmodulated wave. The controlling section is configured to execute an accumulation process to accumulate reception time of the unmodulated wave from a starting point in time, and shift into a restriction state to restrict a response to the unmodulated wave when the accumulated reception time reaches a predetermined time.

A transmitter is configured to be attached to each of wheel assemblies provided in a vehicle and execute a process in accordance with a command included in a trigger signal transmitted from a trigger device. The transmitter includes a battery, which serves as a power source for the transmitter, a condition detecting section, which is configured to detect a condition of the transmitter, a trigger receiving section, which is configured to receive, as the trigger signal, an unmodulated wave having a received signal strength indication greater than or equal to a predetermined received signal strength indication, a transmitting section, which is configured to transmit a signal, a controlling section, which is configured to perform response transmission, by which the signal is transmitted to the transmitting section in response to the unmodulated wave, when the trigger receiving section receives the unmodulated wave, and a memory section, which is configured to store at least one of reception time of the unmodulated wave and a number of times of the response transmission.

At a control circuit of a TPM sensor, one or more of a first adjustment to the periodicity, a second adjustment to the content, and a third adjustment to the length of a message are determined based upon the operational history of the sensor. The adjustments are applied to the messages and adjusted messages are transmitted.

A first tire pressure sensor module is configured to provide information related to a pressure of a tire of a vehicle and comprises a pressure sensor configured to determine the information related to the pressure of the tire. The pressure module further includes a controller configured to selectively operate the tire pressure sensor module in an active state and in an inactive state, wherein an energy consumption of the tire pressure sensor module is lower in the inactive state than in the active state. The controller is further configured to control an output of the information related to the pressure of the tire in the active state, and operate the tire pressure sensor module in the inactive state based on determining that information related to a velocity of the tire indicates a velocity above a threshold.

The present disclosure provides a method for monitoring a motion status of a vehicle, a related chip, and a system. The method includes: obtaining N acceleration values in a first axial direction collected from N times sampling and a maximum acceleration change value within a preset time period; and obtaining N acceleration values in a second axial direction collected from N times sampling and a maximum acceleration change value within the preset time period; determining whether the vehicle is in motion or in a first stationary state based on the acceleration values in the first and second axial direction; and in response to the vehicle being in the first stationary state, further determining whether the vehicle is in motion or in a second stationary state based on the maximum acceleration change values in the first and second axial direction.

A transceiver of a spare wheel includes a sensing unit having a pressure sensor and an acceleration sensor configured to output a detection signal according to a tire pressure of the spare wheel and an acceleration generated in the spare wheel, a first control unit configured to create a frame that processes the detection signal indicating the tire pressure and stores it as data related to the tire pressure, and a first transmitter receiver configured to transmit the frame. A receiver includes a second transceiver configured to receive a frame and transmit a response signal indicating that the frame is received and a second control unit configured to detect the tire pressure and transmit a response signal from the second transceiver when the frame is received.