Pneumatic tyre with an antenna for radio transponder

B - Operations – Transporting – 60 – C

Patent

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Details

B60C 23/04 (2006.01)

Patent

CA 2310687

An annular apparatus is embedded in a substantially non-conductive elastomeric material (22) located within the toroidal region of a pneumatic tire (10). The apparatus is coaxially positioned with respect to the tire or wheel and preferably is embedded in the tire at its equatorial plane (EP), and includes a radio-frequency transponder system (30), including an integrated circuit chip (28), and optional sensors in the chip or associated with the chip. The integrated circuit chip (28) of the transponder system (30) has at least the capacity to transmit data relating to tire or wheel identification. The antenna (26) comprises a springy steel wire or filament. Electrical leads (32) of the chips (28) are electrically associated with each end of the antenna (26).

L'invention concerne un appareil annulaire noyé dans un matériau élastomère sensiblement non conducteur (22) placé dans la partie toroïdale d'un pneu (10). L'appareil, disposé de façon coaxiale par rapport au pneu ou à la roue, est de préférence noyé dans le pneu sur le plan équatorial de celui-ci (EP). Il est muni d'un système de répéteur radiofréquences (30) qui comprend une puce à circuit intégré (28) et éventuellement des capteurs optiques, montés sur la puce ou associés à celle-ci. La puce à circuit intégré (28) du système répéteur (30) possède au moins la capacité de transmettre les données relatives à l'identification du pneu ou de la roue. L'antenne (26) comprend un filament ou un fil en acier souple. Les conducteurs électriques (32) de la puce (28) sont connectés électriquement à chaque extrémité de l'antenne (26).

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