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Tire pressure monitoring system (TPMS) module, system and method of acknowledging data transmissions for TPMS

A tire pressure monitoring and tire pressure technology, applied in the transmission link error control system, transmission system, transportation and packaging, etc., can solve problems such as increasing power consumption

Inactive Publication Date: 2019-07-30
INFINEON TECH AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Redundant transmission significantly increases power consumption

Method used

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  • Tire pressure monitoring system (TPMS) module, system and method of acknowledging data transmissions for TPMS
  • Tire pressure monitoring system (TPMS) module, system and method of acknowledging data transmissions for TPMS
  • Tire pressure monitoring system (TPMS) module, system and method of acknowledging data transmissions for TPMS

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Embodiment Construction

[0013] In the following, numerous details are set forth to provide a more thorough explanation of the exemplary embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram or schematic form rather than in detail in order to avoid obscuring the embodiments. In addition, unless otherwise specified, the features of different embodiments described below can be combined with each other.

[0014] Furthermore, equivalent or similar elements having equivalent or similar functions are denoted by equivalent or similar reference numerals in the following description. Since the same or functionally equivalent elements are given the same reference symbols in the drawings, repeated description of elements with the same reference symbols may be omitted. Accordingly, descriptions provided for elements with the same or similar referen...

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PUM

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Abstract

A tire pressure monitoring system (TPMS) and TPMS sensor module are provided. The TPMS sensor module includes a pressure sensor configured to measure an internal air pressure of a tire and generate tire pressure information, a microcontroller unit electrically connected to the pressure sensor, and a transceiver electrically connected to the microcontroller unit, the transceiver configured to transmit a message including the pressure information, further configured to receive an acknowledgement in response to the transmitted message.On a condition that the transceiver receives the acknowledgement, the microcontroller unit is configured to set the transceiver into a standby mode, and, on a condition that the transceiver does not receive the acknowledgement, the microcontroller unit is configured to instruct the transceiver to transmit a redundant message that is redundant to the transmitted message, and the transceiver is configured to transmit the redundant message.

Description

technical field [0001] The present disclosure relates generally to tire pressure monitoring systems (TPMS), and more particularly, to acknowledging data transmissions in a TPMS. Background technique [0002] Tire Pressure Monitoring Systems (TPMS) play an important role in vehicle safety and emission reduction. The bulk of this market is served by direct tire pressure monitoring systems, where each tire contains a TPMS sensor module. Therefore, a battery-powered sensor module is installed inside the tire to monitor its tire pressure. The sensor module includes a pressure sensor, microcontroller, radio frequency (RF) transmitter, and coin cell. Mainly, the sensor module measures the tire pressure and transmits the measurement data to a central unit in the vehicle using a unidirectional link. Since the battery cannot be changed, the life of the sensor module is determined by the battery life. A major part of the power consumption is generated by RF transmissions. Therefor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C23/04
CPCB60C23/0447B60C23/0488H04Q2209/43H04Q2209/883H04Q9/00H04W84/12H04L1/1887H04L2001/0093H04B1/3822B60C23/0462B60C23/0442B60C23/0484H04W76/10B60C23/0422H04W4/80H04L1/08
Inventor M·坎德勒W·沙伊本楚贝M·维尔纳
Owner INFINEON TECH AG
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