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AssigneeBridgestone/Firestone, Inc.
InventorsRussell W. Koch, John L. Turner, Guy J. Walenga, Hiroyoshi Takigawa, Keizo Okamoto
Estimating the term…
A method for monitoring various physical conditions of pneumatic tires, and to a tire including a monitoring device. More particularly, the invention relates to a method of monitoring tires which uses an active, self-powered programmable electronic device which is installed in or on the interior surface of a pneumatic tire or on a tire rim. This device can be used for monitoring, storing and telemetering information such as temperature, pressure, tire rotations and/or other operating conditions of a pneumatic tire, along with tire identification information. The device includes a power source which can be placed into an active or a dormant mode using a data band switching circuit. The device can be activated by externally transmitted radio frequency waves or microwaves and in response, the device compares or transmits information and provides a warning in the event a preselected limit is exceeded.
A method of monitoring at least one engineering condition of a tire, comprising the steps of:
Dependencies are inferred from the claim text.