Device for monitoring pressures of vehicle tires
First Claim
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1. A device for monitoring a parameter of tires of a vehicle comprising:
- a respective sensor adjacent to each tire to be monitored, an electromagnetic signals transmitter associated with each said sensor, a common receiver that receives transmissions from the transmitters and that is associated with a central unit, at least one detector device separate from the common receiver and that receives and detects the transmissions, wherein each said detector device is linked to the central unit to send the central unit a signal indicating that the transmissions have been detected, wherein the signal sent by each said detector device to the central unit is an analog signal taking a value of 0 or 1 as a function of detection or lack of detection of the transmission.
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Abstract
The device comprises:
- a sensor arranged at the level of each tire whose pressure is to be monitored, a transmitter associated with each sensor, and a common receiver intended to receive the information sent by the transmitters, at least one detector device making it possible to detect a transmission in the transmission frequency range of the transmitters associated with the sensors, and each detector device being linked to a central unit in such a way as to be able to send this central unit a signal indicating that a transmission in the relevant frequency range is detected.
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Citations
16 Claims
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1. A device for monitoring a parameter of tires of a vehicle comprising:
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a respective sensor adjacent to each tire to be monitored, an electromagnetic signals transmitter associated with each said sensor, a common receiver that receives transmissions from the transmitters and that is associated with a central unit, at least one detector device separate from the common receiver and that receives and detects the transmissions, wherein each said detector device is linked to the central unit to send the central unit a signal indicating that the transmissions have been detected, wherein the signal sent by each said detector device to the central unit is an analog signal taking a value of 0 or 1 as a function of detection or lack of detection of the transmission. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A device for monitoring a parameter of vehicle tires, comprising:
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plural sensors, each of said sensors being associated with a respective vehicle tire to be monitored for sensing a parameter, each of said sensors having a transmitter for transmitting signals conveying data associated with the sensed parameter;
a central unit having a receiver for receiving the signals and processing the data conveyed therein; and
plural detectors that are each connected to said central unit through a respective separate connection, each of said detectors being positioned to receive the signals from one, but not all, of said sensors, and sending a detection signal to said central unit through said respective separate connection upon receipt of the respective one of the signals, wherein receipt of the detection signal by said central unit from said respective separate connection indicates to said central unit that the respective one of said sensors is transmitting the respective signal conveying the data, and wherein the detection signal sent by said detectors to said central unit is an analog signal taking a value of 0 or 1 as a function of detection or lack of detection of the respective signal. - View Dependent Claims (16)
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Specification