Abstract: System for monitoring the tires of a vehicle, comprising a device for automatic location of a radio transmitter, comprising a first radio reception channel having a first aerial and a second radio reception channel having a second aerial, the first and second aerials defining an axis D1, a first means of comparison of the phases of a radio signal received by the first and second aerials in order to determine whether the radio signal received by the first aerial is ahead of phase, behind phase or has an identical phase relative to the radio signal received by the second aerial and a means of processing the results originating from the first means of comparison intended to indicate the position of the radio transmitter relative to the said aerials.

Abstract: The tire mold comprises a laminated peripheral crown having a stack in the circumferential direction of a plurality of thin sheets. Cutouts distributed over several adjacent sheets increase the venting ability of the mold.