A tire pressure detection system with separated antennas includes a detection end 10 and a receiving end. The detection end includes tire pressure detectors to detect the tire to obtain the tire status. The tire pressure detectors outputs the tire status, and the information of the tire status is output in the form of radio frequency signal and Bluetooth signal to the tire-pressure receiving device, the audio-video device and the mobile device so that the users are acknowledged about the information of the tire including tire pressure and tire temperature.

A tire casing is equipped with a radiofrequency transponder and includes a crown, two sidewalls and two beads revolving around a reference axis, first threads forming outward segments and return segments that are arranged adjacently, aligned circumferentially, anchored in the two beads with, in each bead, loops in each case linking an outward segment to a return segment and, in each bead, means for anchoring the first threads, comprising second threads oriented circumferentially axially bordering the first threads and forming at least one spiral, the first threads forming at least one circumferential alignment defining the carcass ply that separates said tire casing into two zones, inside and outside with respect to this carcass ply. The radiofrequency transponder comprises at least one electronic chip and a radiating radiocommunication antenna and is positioned radially externally in relation to the at least one spiral, characterized in that the radiofrequency transponder comprises a primary antenna electrically connected to the electronic chip, in that the primary antenna is electromagnetically coupled to the radiating antenna, and in that the radiating antenna is formed by a single-strand helical spring defining a first longitudinal axis.

A tire having a transponder comprises: a crown which has a crown reinforcement with an axial end at each edge, joined at each of its axial ends to a bead, which has an inner end, by a sidewall; a carcass reinforcement which is formed of adjacent first wires and is anchored in each bead around a spiral formed by second wires; the transponder comprising a core defining a first axis, a first cover wire helically wound around the core and an electrical insulation device; and the first cover wire comprising at least two conductive wire elements galvanically connected to an electronic chip comprising a radiofrequency transceiver component. The thickness of the elastomer mixture separating the outer cover wire, which is located furthest outwards from the first axis, and the reinforcements is greater than 0.5 millimeter.

A tire fitted with a transponder comprises: a crown comprising a crown reinforcement having an axial end at each of its edges, connected at each of its axial ends by a sidewall to a bead having an interior end; a carcass reinforcement layer formed of parallel reinforcers, which is anchored in each bead around a bead wire to form a main part and a turn-up; and the transponder comprising a dipole antenna consisting of a spring defined by a pitch P and a diameter D. A ratio between the pitch (P1) and the diameter (D1) for a loop of a first region of the spring is greater than 0.8, and the transponder is situated axially on the outside of an interior end of the bead and radially between the upper end of the bead wire and the axial end of the crown reinforcement.

An antenna is installed on an installation surface of a wheel. The antenna includes a first conductor, a second conductor, one or more third conductors, a fourth conductor, and a feeding line. The first conductor and the second conductor face each other in a first axis. The one or more third conductors are located between the first conductor and the second conductor and extend in the first axis. The fourth conductor is connected to the first conductor and the second conductor and extends in the first axis. The feeding line is electromagnetically connected to the third conductor. The first conductor and the second conductor are capacitively connected via the third conductor. A surface of the fourth conductor faces the installation surface of the wheel in a second axis perpendicular to the first axis.

A tire fitted with a transponder comprises: a crown comprising a crown reinforcement having an axial end at each of its edges, connected at each of its axial ends by a sidewall to a bead having an interior end; a carcass reinforcement layer formed of parallel metal reinforcers, which is anchored in each bead around a bead wire to form a main part and a turn-up; and the transponder comprising a dipole antenna consisting of a spring defined by a pitch P and a diameter D. A ratio between the pitch (P1) and the diameter (D1) for a loop of a first region of the spring is greater than 0.8, and the transponder is situated axially on the outside of an interior end of the bead and radially between the upper end of the bead wire and the axial end of the crown reinforcement.

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 tire localization method for a vehicle, can include: matching a first Bluetooth module in each tire of the vehicle with a second Bluetooth module of a Bluetooth host in the vehicle; acquiring first data representing a received signal strength indication of a first radio frequency signal sent by the first Bluetooth module in each tire; acquiring an angle of arrival of the first Bluetooth module in each tire relative to the second Bluetooth module; and locating each tire based on the first data and the angle of arrival.

An integrated radio frequency identification tag and tire pressure monitoring system sensor includes a radio frequency identification tag. The radio frequency identification tag includes an integrated circuit, and a printed circuit board carries the integrated circuit. A tire pressure monitoring system sensor is mounted on the radio frequency identification tag. An antenna includes at least one coil antenna wire. The antenna wire is formed in a helical shape and is electrically connected to the integrated circuit. A first end of the antenna wire is mounted to the printed circuit board. A mechanical interlock between the first end of the antenna wire and the printed circuit board includes features that secure the first end of the antenna wire to the printed circuit board.

A process for manufacturing a rubber patch comprising a radiofrequency transponder, the patch having a first layer and a second layer, the method comprising moulding and vulcanizing a first layer, the exterior surface of which comprises a cavity able to receive a radiofrequency transponder, placing a transponder in the cavity, and then placing and vulcanizing a second layer in order to embed the transponder between the two layers.