Wireless Tire Pressure Monitoring System and Operating Method Thereof
First Claim
1. A method of operating a wireless tire pressure monitoring system, the wireless tire pressure monitoring system being provided on a tire or a rim of a vehicle and comprising:
- a magnetometer,a pressure sensor,a controller in signal communication with the magnetometer and the pressure sensor, anda wireless signal transmitter in signal communication with the controller and controlled by the controller,said method comprising;
measuring a magnetic flux value by the magnetometer;
measuring a pressure value within the tire by the pressure sensor;
receiving, by the controller, the magnetic flux value measured by the magnetometer and the pressure value measured by the pressure sensor, and determining, by the controller, whether the magnetic flux value fluctuates; and
activating the wireless signal transmitter or raising the transmitting times per minute of the wireless signal transmitter by the controller when the controller determines that the magnetic flux value fluctuates, and transmitting a signal representing the pressure value by the wireless signal transmitter.
1 Assignment
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Accused Products
Abstract
The invention relates to a wireless tire pressure monitoring system provided on a tire or a rim of a vehicle. The system includes: a magnetometer for measuring a magnetic flux value; a pressure sensor for measuring a pressure value within the tire; a controller for receiving the magnetic flux value measured by the magnetometer and the pressure value measured by the pressure sensor, and determining whether the magnetic flux value fluctuates; and a wireless signal transmitter in signal communication with the controller, and controlled by the controller, wherein when the controller determines that the magnetic flux value fluctuates, the controller activates the wireless signal transmitter or raises the transmitting times per minute of the wireless signal transmitter and the wireless signal transmitter transmits a signal which represents the pressure value. The invention also relates to a method for operating a wireless tire pressure monitoring system.
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Citations
16 Claims
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1. A method of operating a wireless tire pressure monitoring system, the wireless tire pressure monitoring system being provided on a tire or a rim of a vehicle and comprising:
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a magnetometer, a pressure sensor, a controller in signal communication with the magnetometer and the pressure sensor, and a wireless signal transmitter in signal communication with the controller and controlled by the controller, said method comprising; measuring a magnetic flux value by the magnetometer; measuring a pressure value within the tire by the pressure sensor; receiving, by the controller, the magnetic flux value measured by the magnetometer and the pressure value measured by the pressure sensor, and determining, by the controller, whether the magnetic flux value fluctuates; and activating the wireless signal transmitter or raising the transmitting times per minute of the wireless signal transmitter by the controller when the controller determines that the magnetic flux value fluctuates, and transmitting a signal representing the pressure value by the wireless signal transmitter. - View Dependent Claims (2, 3, 4)
said method further comprises: detecting battery level of the battery through the controller; and
when the controller determines that the magnetic flux value fluctuates, activating the wireless signal transmitter or raising the transmitting times per minute of the wireless signal transmitter by the controller, and transmitting a signal representing the battery level by the wireless signal transmitter.
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4. The method of claim 1, wherein the wireless signal transmitter is a wireless radio frequency signal transmitter.
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5. A method of operating a wireless tire pressure monitoring system, the wireless tire pressure monitoring system provided on a tire or a rim of a vehicle and comprising:
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a magnetometer, a pressure sensor, a controller in signal communication with the magnetometer and the pressure sensor, and a wireless signal transmitter in signal communication with the controller and controlled by the controller, said method comprising; measuring a magnetic flux value by the magnetometer; measuring a pressure value within the tire by the pressure sensor; receiving, by the controller, the magnetic flux value measured by the magnetometer and the pressure value measured by the pressure sensor, and determining, by the controller, whether the magnetic flux value reaches a predetermined threshold; and activating the wireless signal transmitter or raising the transmitting times per minute of the wireless signal transmitter by the controller when the controller determines that the magnetic flux value reaches the predetermined threshold, and transmitting a signal representing the pressure value by the wireless signal transmitter. - View Dependent Claims (6, 7, 8)
said method further comprises: detecting battery level of the battery through the controller; and
when the controller determines that the magnetic flux value reaches the predetermined threshold, activating the wireless signal transmitter or raising the transmitting times per minute of the wireless signal transmitter by the controller, and transmitting a signal representing the battery level by the wireless signal transmitter.
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8. The method of claim 5, wherein the wireless signal transmitter is a wireless radio frequency signal transmitter.
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9. A wireless tire pressure monitoring system provided on a tire or a rim of a vehicle and comprising:
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a magnetometer for measuring a magnetic flux value; a pressure sensor for measuring a pressure value within the tire; a controller, receiving the magnetic flux value measured by the magnetometer and the pressure value measured by the pressure sensor, and determining whether the magnetic flux value fluctuates; and a wireless signal transmitter in signal communication with the controller and controlled by the controller, wherein when the controller determines that the magnetic flux value fluctuates, the controller activates the wireless signal transmitter or raises the transmitting times per minute of the wireless signal transmitter, and the wireless signal transmitter transmits a signal representing the pressure value. - View Dependent Claims (10, 11, 12)
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13. A wireless tire pressure monitoring system provided on a tire or a rim of a vehicle and comprising:
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a magnetometer for measuring a magnetic flux value; a pressure sensor for measuring a pressure value within the tire; a controller receiving the magnetic flux value measured by the magnetometer and the pressure value measured by the pressure sensor, and determining whether the magnetic flux value reaches a predetermined threshold; and a wireless signal transmitter in signal communication with the controller and controlled by the controller, wherein when the controller determines that the magnetic flux value reaches the predetermined threshold, the controller activates the wireless signal transmitter or raises the transmitting times per minute of the wireless signal transmitter, and the wireless signal transmitter transmits a signal representing the pressure value. - View Dependent Claims (14, 15, 16)
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Specification