Title:
TIRE PRESSURE MONITORING DEVICE
Document Type and Number:
Japanese Patent JP2009119887
Kind Code:
A
Abstract:
To stop transmission of tire pressure information during transportation of a vehicle without a trigger from the outside.
An air pressure sensor 30 is provided at each wheel 20 of the vehicle to detect tire pressure. A transmitter 40 transmits the tire pressure detected by the air pressure sensor 30 to the vehicle body side. A transmission control part 42 determines that the vehicle is in the course of transportation and stops transmission from the transmitter 40 when the tire pressure is larger than a threshold value determined based on air pressure set during normal travel of the vehicle, and resumes transmission from the transmitter 40 when the tire pressure becomes the threshold value or less.
Inventors:
YONETANI MASAHIRO
Application Number:
JP2007292503A
Publication Date:
June 04, 2009
Filing Date:
November 09, 2007
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
B60C23/04; B60C19/00; B60C23/02; G01L17/00
Attorney, Agent or Firm:
Sakaki Morishita
Yusuke Murata
Tomoyuki Miki
Yusuke Murata
Tomoyuki Miki