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Patent Searching and Data


Title:
MONITORING DEVICE AND TIRE AIR PRESSURE MONITORING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2017/069103
Kind Code:
A1
Abstract:
A tire air pressure monitoring system is provided with: a plurality of detection devices that are provided individually to a plurality of tires in a vehicle and that wirelessly transmit an air pressure signal including air pressure information for the tires in response to a request signal; and a monitoring device that transmits the request signal to the detection devices, receives the air pressure signals transmitted from the detection devices in response to the request signal, and monitors the air pressure of each of the tires. The monitoring device is provided with a request signal transmission unit for transmitting the request signal to an area including one tire position, and an air pressure signal reception unit for receiving the air pressure signals. The monitoring device determines whether air pressure signals transmitted from the plurality of detection devices have been received and changes the transmission strength of the request signal in accordance with the determination result.

Inventors:
SABURI MAKOTO (JP)
HAMADA YOSHIHIRO (JP)
Application Number:
PCT/JP2016/080779
Publication Date:
April 27, 2017
Filing Date:
October 18, 2016
Export Citation:
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Assignee:
AUTONETWORKS TECHNOLOGIES LTD (JP)
SUMITOMO WIRING SYSTEMS (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
B60C23/04; G01L17/00; G08C17/00; G08C17/02
Foreign References:
JP2012245931A2012-12-13
JP2010221768A2010-10-07
JP2012187958A2012-10-04
JP2004362536A2004-12-24
Attorney, Agent or Firm:
KOHNO, Hideto et al. (JP)
Hidehito Kono (JP)
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