Using signal strength to identify tire position
First Claim
1. A system for identifying the position of a tire on a vehicle based on wireless messages received from the tire, comprising:
- a receiver circuit configured to receive the wireless messages;
a signal strength circuit configured to determine the signal strengths of the wireless messages;
a memory configured to store a predetermined frequency distribution; and
a processing circuit configured to provide a frequency distribution of the wireless messages based on the signal strengths, to compare the frequency distribution to the predetermined frequency distribution, and to determine the position of the tire on the vehicle based on the comparison.
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Accused Products
Abstract
A system for identifying the position of a tire on a vehicle based on wireless messages received from the tire includes a receiver circuit, a signal strength circuit, a memory, and a processing circuit. The receiver circuit is configured to receive the wireless messages. The signal strength circuit is configured to determine the signal strengths of the wireless messages. The memory is configured to store a predetermined frequency distribution. The processing circuit is configured to provide a frequency distribution of the wireless messages based on the signal strengths and to compare the frequency distribution to the predetermined frequency distribution to determine the position of the tire on the vehicle.
158 Citations
20 Claims
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1. A system for identifying the position of a tire on a vehicle based on wireless messages received from the tire, comprising:
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a receiver circuit configured to receive the wireless messages;
a signal strength circuit configured to determine the signal strengths of the wireless messages;
a memory configured to store a predetermined frequency distribution; and
a processing circuit configured to provide a frequency distribution of the wireless messages based on the signal strengths, to compare the frequency distribution to the predetermined frequency distribution, and to determine the position of the tire on the vehicle based on the comparison. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of identifying the position of a tire on a vehicle, comprising:
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receiving a plurality of wireless messages from a transmitter associated with the tire;
determining the signal strengths of the received wireless messages;
providing a frequency distribution of the wireless messages based on the signal strengths; and
comparing the frequency distribution to a predetermined frequency distribution to determine the position of the tire on the vehicle. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A system for determining the position of a tire on a vehicle, comprising:
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means for receiving a plurality of transmitted messages from a transmitter associated with the tire;
means for determining the signal strength of the plurality of transmitted messages;
means for providing a frequency distribution of the messages based on the signal strengths of the plurality of transmitted messages; and
means for determining the position of the tire on the vehicle based on the frequency distribution of the messages and a stored frequency distribution of signal strength values. - View Dependent Claims (18, 19, 20)
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Specification