SYSTEM OF DETECTING TIRE INFORMATION
First Claim
1. A system of detecting tire information, comprising:
- a measured value transmitter mounted in a tire of a vehicle; and
a controller provided in a body of the vehicle,wherein the measured value transmitter includes an antenna, a resonator, a resonant frequency of which is varied in accordance with a temperature of the tire, and a resistive pressure sensor, a resistance of which is varied in accordance with a pressure in the tire, andwherein the controller is operable to transmit a signal for resonating the resonator and receive a signal having the resonant frequency of the resonator from the measured value transmitter, and the controller is operable to calculate the temperature in the tire based on the signal having the resonant frequency and calculate the pressure in the tire based on a signal level of the signal having the resonant frequency.
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Accused Products
Abstract
A system of detecting tire information includes a measured value transmitter mounted in a tire of a vehicle and a controller provided in the body of the vehicle. The measured value transmitter includes an antenna, a resonator, the resonant frequency of which is varied in accordance with a temperature of the tire, and a resistive pressure sensor, the resistance of which is varied in accordance with a pressure in the tire. The controller transmits a signal for resonating the resonator and receives a signal having the resonant frequency of the resonator from the measured value transmitter. The controller calculates the temperature in the tire based on the signal having the resonant frequency. The controller calculates the pressure in the tire based on a signal level of the signal having the resonant frequency.
7 Citations
6 Claims
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1. A system of detecting tire information, comprising:
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a measured value transmitter mounted in a tire of a vehicle; and a controller provided in a body of the vehicle, wherein the measured value transmitter includes an antenna, a resonator, a resonant frequency of which is varied in accordance with a temperature of the tire, and a resistive pressure sensor, a resistance of which is varied in accordance with a pressure in the tire, and wherein the controller is operable to transmit a signal for resonating the resonator and receive a signal having the resonant frequency of the resonator from the measured value transmitter, and the controller is operable to calculate the temperature in the tire based on the signal having the resonant frequency and calculate the pressure in the tire based on a signal level of the signal having the resonant frequency. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification