Electronic circuit utilizing electrically conductive areas of a tire
First Claim
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1. A tire comprising:
- at least two areas of electrically conductive rubber separated from one another by an area of nonconductive rubber, said at least two areas of electrically conductive rubber being electrically insulated from one another; and
an integrated circuit embedded within a thickness of the tire, said circuit having a first electric pole electrically connected to a first one of said electrically conductive areas such that said first one of said electrically conductive areas comprises an electrode for galvanic contact with said circuit, and a second electric pole electrically connected to a second one of said electrically conductive areas such that said second one of said electrically conductive areas comprises another electrode for galvanic contact with said circuit.
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Abstract
Rubber areas of a tire having electrical conductivity are used to transmitignals to an integrated circuit embedded within the thickness of the tire without relying on an inductive or capacitive coupling. Rather, an electric signal from an identification device is conducted to the integrated circuit through a first electrically conductive area of rubber such as a bead cover and/or the tire tread, and a responsive signal is returned to the identification device through a second electrically conductive area.
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Citations
10 Claims
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1. A tire comprising:
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at least two areas of electrically conductive rubber separated from one another by an area of nonconductive rubber, said at least two areas of electrically conductive rubber being electrically insulated from one another; and an integrated circuit embedded within a thickness of the tire, said circuit having a first electric pole electrically connected to a first one of said electrically conductive areas such that said first one of said electrically conductive areas comprises an electrode for galvanic contact with said circuit, and a second electric pole electrically connected to a second one of said electrically conductive areas such that said second one of said electrically conductive areas comprises another electrode for galvanic contact with said circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A process of identifying a tire comprising the steps of:
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transmitting an electrical signal from an identification device by electrically conducting the signal through a first electrically conductive rubber area of a tire; processing said signal in an integrated circuit embedded within said tire; returning a responsive signal to said identification device from said integrated circuit by way of a second electrically conductive rubber area which is electrically isolated from said first electrically conductive rubber area. - View Dependent Claims (9, 10)
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Specification