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.

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.

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.

A method for controlling an electronic valve for a tire of a motor vehicle including an electronic assembly of sensors and a bidirectional radiofrequency communication assembly, connected to the electronic assembly of sensors. This method is noteworthy in that: in a parked situation and in the effective absence of a user, the electronic assembly of sensors is kept dormant and the communication assembly is kept on standby, and on the arrival of a user, the electronic assembly of sensors is activated by the communication assembly.

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.

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.

An apparatus and method include, among other things, providing a plurality of sensors for a tire pressure monitoring system where each sensor is associated with tire parameter properties and has sensor parameters. Each sensor has a unique initial identification. A new unique identification is automatically generated for each sensor to replace the initial identification in response to a predetermined condition that is associated with at least one sensor parameter.

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.

A method and device may be used for scanning communication protocols for a sensor of a motor vehicle electronic tire pressure monitoring system. The method may include selecting a make and a model of a motor vehicle. The method may include transmitting one or more activation signals. The one or more activation signals may be transmitted in sequential order according to a scanning protocol. The scanning protocol may be based on a predefined parameter. Each of the one or more activation signals may be associated with a different communication protocol. The method may include stopping the transmission of the one or more activation signals on a condition that a signal from a sensor is received.

Embodiments included herein are directed towards an automatic tire inflation monitoring system and method. The method may include confirming, using a battery powered electronic sensor, that there is no active tire re-inflation in progress. The method may further include monitoring, using the battery powered electronic sensor, the status of all tire pressures over a period of time and determining, using the battery powered electronic sensor, whether a rate of tire pressure reduction exceeds a first value. The method may include reporting, using the battery powered electronic sensor, a fault if the rate exceeds the first value.