Multi-antenna tire-pressure monitoring system with automatically positioning function
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United States of America Patent
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Sep 19, 2023
Grant Date -
Jul 28, 2022
app pub date -
Jan 24, 2022
filing date -
Jan 28, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A multi-antenna tire-pressure monitoring system with automatically positioning function includes tire-pressure sensors, a receiver and a central processing unit. The tire-pressure sensors are installed on tires of a vehicle, respectively, and each tire is installed with at least one tire-pressure sensor. Each tire-pressure sensor has a signal transmitting unit, the receiver includes two antennas and a built-in receiver control unit. A first phase angle and a second phase angle are formed between the signals transmitted from each tire-pressure sensor and the two antennas, the receiver control unit receives the first phase angle and the second phase angle, and the arithmetic unit calculates phase-difference parameter values, to determine the positions of the tires, the signal receiving unit built in the central processing unit receives and displays the information calculated by the arithmetic unit of the receiver, so as to complete positioning for the tires.
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