Telemetric tire pressure monitoring system
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Abstract
The invention relates to a telemetric tire pressure monitoring system for the tire pressures at wheels of a vehicle. In this way, the driver can be warned if an excessively low tire pressure or a dangerous drop in the tire pressure occurs. According to the invention, an additional warning is issued if wheel-mounted measuring modules move away from their set point position on the respective wheel.
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Citations
33 Claims
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- 10. A telemetric tire pressure monitoring system for the tire pressures of wheels of a vehicle comprising wheel-mounted modules which each have a pressure measuring sensor, and a control unit which communicates with said wheel-mounted modules, by way of a wireless medium, in order to evaluate the sensor signals and which generates a warning signal if the tire pressure drops below a pressure threshold value and/or a pressure loss exceeds a loss threshold value, wherein the wheel-mounted modules have a sensor system for a parameter which changes when the respective module moves out of its wheel-mounted set point position, and in that the control unit converts signals which occur when there is a corresponding change in the parameter, into a warning signal.
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11. The telemetric tire pressure monitoring system for the tire pressures of wheels of a vehicle, having wheel-mounted modules which each have a pressure measuring sensor and an acceleration sensor, and a control unit which communicates with said wheel-mounted modules by way of a wireless medium, in order to evaluate the sensor signals and which generates a warning signal if the tire pressure drops below a pressure threshold value, and/or a pressure loss drops below a loss threshold value in terms of absolute value, the control unit evaluating the acceleration signals, if appropriate together with signals of a further sensor system, in order to differentiate or sense different wheels, wherein the control unit converts a change in the acceleration signals which occurs when a module moves out of its wheel-mounted set point position, into a warning signal.
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19. A system comprising:
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a wheel-mounted module to generate a signal related to a characteristic of a corresponding tire of a vehicle; and
a control unit to determine whether said wheel-mounted module is properly mounted to said tire by analysis of said signal generated by said wheel-mounted module. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A method comprising:
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generating a signal related to a characteristic of a corresponding tire of a vehicle; and
determining whether said wheel-mounted module is properly mounted to said tire by analysis of said signal.
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Specification