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integrated receiver

A receiver and tire technology, used in instruments, tire measurement, vehicle components, etc., can solve problems such as inability to obtain air pressure and time required

Inactive Publication Date: 2016-09-14
KK TOKAI RIKA DENKI SEISAKUSHO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is not always possible to obtain the tire pressure from all four tires immediately after the start of driving. If not, there is a problem that it will take time to obtain the air pressure of all the tires.

Method used

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Embodiment Construction

[0017] Below, according to Figure 1-Figure 5 One embodiment of an integrated receiver embodying the present invention will be described.

[0018] Such as figure 1 As shown, the vehicle 1 is provided with an electronic key system 3 for wirelessly performing key verification (ID verification) with the electronic key 2 . The electronic key system in this example is a keyless operating system, which performs ID verification through short-distance wireless (communication distance: several meters) based on the communication from the vehicle 1, and permits / executes it on the condition that the ID verification is successful. Operation of in-vehicle equipment. A tire pressure monitoring system 7 is provided on the vehicle 1. The tire pressure monitoring system 7 includes a tire pressure sensor (also called a tire valve) 5 installed in each tire 4, and the tire pressure detected by the tire pressure sensor 5 The signal Stp is sent wirelessly to the vehicle body 6 and the tire pressu...

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Abstract

The present invention provides an integrated receiver capable of monitoring tire pressure even when the vehicle is powered off. When the vehicle power is turned off, the verification ECU (8) outputs the smart reception request signal Srco to the integrated receiver (18) at the execution time of the intelligent communication, so that the integrated receiver 18 implements intelligent communication. When the vehicle power supply (ignition switch 33) is turned off, the TPMS microcomputer (19) executes the tire pressure monitoring action following the ON→OFF of the intelligent reception request signal Srco. That is, the operation of the tire pressure monitoring system ( 7 ) is performed in synchronization with the smart communication that is performed when the vehicle power is turned off. Then, when a low pressure tire is detected during tire pressure monitoring while the vehicle power is off, it is stored in the memory (21) in advance, and when the vehicle power is turned on, an alarm of tire low pressure is implemented.

Description

technical field [0001] The present invention relates to an integrated receiver capable of receiving both radio waves of an electronic key system and radio waves of a tire pressure monitoring system. Background technique [0002] In the past, many vehicles were equipped with electronic key systems that perform key verification through wireless communication and electronic keys. As an electronic key system, for example, there is known a keyless operating system that performs ID verification (smart verification) through short-distance communication triggered by communication from a vehicle. In addition, in recent years, vehicles tend to be equipped with a tire pressure monitoring system (TPMS: Tire Pressure Monitoring System). This tire pressure monitoring system includes a tire pressure sensor installed on each tire and transmits the tire pressure signal of the tire pressure sensor wirelessly. to the vehicle body to monitor tire pressure on the vehicle body. [0003] However...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60C23/04G01L17/00
CPCB60C23/0418
Inventor 熊谷胜秀
Owner KK TOKAI RIKA DENKI SEISAKUSHO
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