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Method for saving the context of an electronic module of a tyre pressure monitoring system for a motor vehicle

一种轮胎压力监测、电子模块的技术，应用在轮胎测量、车辆部件、轮胎零部件等方向，能够解决无法写入存储器等问题

Active Publication Date: 2020-09-18
CONTINENTAL AUTOMOTIVE FRANCE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, under certain actual operating conditions of the TPMS, it may occasionally be impossible to write to this memory

Method used

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  • Method for saving the context of an electronic module of a tyre pressure monitoring system for a motor vehicle
  • Method for saving the context of an electronic module of a tyre pressure monitoring system for a motor vehicle
  • Method for saving the context of an electronic module of a tyre pressure monitoring system for a motor vehicle

Examples

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Embodiment Construction

[0040] figure 1 is a schematic illustration of a tire pressure monitoring system such as described by patent EP 3013611 B1, in which an embodiment of the method can be implemented.

[0041] A tire pressure monitoring system (TPMS) 101 comprises a set of wheel units, eg four such units 103a - 103d mounted on four wheels 102a - 102d respectively of a motor vehicle 106 . As mentioned above, these wheel units 103a-103d periodically measure various operating parameters of the respective wheels. They then transmit the results of these measurements to the central unit 105 (also called ECU, "Electronic Control Unit" in English) via radio frequency signals, for example on a radio frequency carrier of 315 MHz or 433 MHz. The latter uses a dedicated antenna 104 to receive these signals.

[0042] Furthermore, with regard to the wheel units, these take the form of an electronic unit which can be glued directly to the inner face of the tire or attached to the inflation valve of the tire. ...

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Abstract

The invention relates to a method for saving in an electronic measurement module of a tyre pressure monitoring system of a motor vehicle. According to the method of the invention, as soon as a moduleoperating error occurs, the data contained in the non-volatile random-access memory of the electronic data module is written into the read-only memory.

Description

technical field [0001] In general, the present invention relates to a tire pressure monitoring system for a motor vehicle. [0002] More specifically, the invention relates to a method for saving the contexte of an electronic unit installed in the wheel of a motor vehicle equipped with such a system. Background technique [0003] In order to increase safety, more and more motor vehicles are today equipped with systems for monitoring the tire pressure of the motor vehicle. Known in English as "Tire Pressure Monitoring Systems" (Tire Pressure Monitoring Systems) or TPMS, these systems can know useful parameters at any time through sensors installed at the wheels of the vehicle, such as the inflation pressure of the tire, the temperature or wear of the tire, the tire speed and so on. Thus, the driver of the vehicle can be warned of any situation related to the condition of the tires which may affect the driving conditions and even pose a danger to the vehicle, the driver and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C23/04
CPCB60C23/0454B60C23/0462B60C23/0481B60C23/0416B60C2019/004
Inventor V·莱塔尔
Owner CONTINENTAL AUTOMOTIVE FRANCE