A pneumatic vehicle tire includes a carcass, a bead with a bead core arranged in the bead, and a first sensor located within the bead. The first sensor delivers signals which are correlated to frictional forces transmitted by the pneumatic vehicle tire during operation. This sensor has a first end and...http://www.google.com/patents/US6339956?utm_source=gb-gplus-sharePatent US6339956 - Pneumatic automobile tire with integrated sensors and traction control system
