TIRE AIR PRESSURE MONITORING SYSTEM, MONITORING DEVICE AND DETECTING DEVICE

Japanese Patent JP2018047850

A

PROBLEM TO BE SOLVED: To provide a tire air pressure monitoring system, which allows a monitoring device and a detecting device to perform two-way communication without adjusting rotation angles of tires during stopping of a vehicle, and yet can suppress consumed power by the detecting device.SOLUTION: A tire air pressure monitoring system comprises a detecting device 2 that detects air pressure of tires 3 provided in a vehicle C to transmit via radio waves air pressure signals obtained by the detection, and a monitoring device 1 that receives the air pressure signals and monitors air pressure of each tire 3. The monitoring system 1 comprises an angle information acquiring portion that acquires angle information indicating rotation angles of the tires 3 and a request signal transmitting portion that transmits via radio waves request signals for requesting the air pressure information to the detecting device 2 at signal strength corresponding to the acquired angle information. The detecting device 2 comprises an air pressure signal transmitting portion that transmits the air pressure information when receiving the request signals transmitted from the monitoring device 1.SELECTED DRAWING: Figure 1

JP2006174154	TRANSMITTER
JPH07172120	TIRE AIR PRESSURE DETECTING DEVICE
JP2007024724	TIRE INSPECTION DEVICE

MATSUOKA KENJI

JP2016185752A

March 29, 2018

September 23, 2016

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AUTO NETWORK GIJUTSU KENKYUSHO KK
SUMITOMO WIRING SYSTEMS
SUMITOMO ELECTRIC INDUSTRIES

B60C23/02; B60C23/04; G01L17/00

Hideno Kono
Nobuo Kono

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