Method and system for determining wheel position
First Claim
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1. A method for determining the wheel position of wheels of a motor vehicle, comprising:
- transmitting a trigger signal from a portable transmitter that is received at a motor vehicle such that position of the portable transmitter is sensed relative to the motor vehicle;
based on receiving the trigger signal, automatically transmitting data from a wheel unit to a central evaluation device, for monitoring purposes, the wheel unit operably assigned to a respective wheel of the motor vehicle; and
based on position of the portable transmitter relative to the motor vehicle and the transmitted data from the wheel unit, determining a wheel position of the wheels of the motor vehicle.
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Abstract
A method for determining the wheel position (FL, FR, RL, RR) of wheels (R1, R2, R3, R4) of a motor vehicle (10) which, for monitoring purposes, in particular for monitoring the tire pressures, are each assigned a wheel unit (E1, E2, E3, E4) which transmits data (D1, D2, D3, D4) to a central evaluation device (ECU) of the vehicle (10), at least in response to a trigger signal (TR1, TR2, TR3, TR4, TR5, TR6). The wheel positions (FL, FR, RL, RR) of the monitored wheels (R1, R2, R3, R4) can be determined by activating a portable transmitter (12) whose position with respect to the vehicle (10) is sensed.
17 Citations
19 Claims
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1. A method for determining the wheel position of wheels of a motor vehicle, comprising:
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transmitting a trigger signal from a portable transmitter that is received at a motor vehicle such that position of the portable transmitter is sensed relative to the motor vehicle;
based on receiving the trigger signal, automatically transmitting data from a wheel unit to a central evaluation device, for monitoring purposes, the wheel unit operably assigned to a respective wheel of the motor vehicle; and
based on position of the portable transmitter relative to the motor vehicle and the transmitted data from the wheel unit, determining a wheel position of the wheels of the motor vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 19)
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10. A system for determining a wheel position of wheels of motor vehicle, comprising:
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a portable transmitter operable to transmit a trigger signal such that the position of the portable transmitter is determined relative to the motor vehicle;
a wheel unit operably assigned to a respective wheel of a motor vehicle, the wheel unit operably activated to transmit data to a central evaluation device of the motor vehicle in response to receiving the trigger signal, whereby the trigger signal activates the wheel unit when placed proximate the portable transmitter; and
the central evaluation device operable to determine position of the wheel position of the wheels of the motor vehicle based on position of the portable transmitter relative to the motor vehicle and the transmitted data from the wheel unit. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification