Tire Management System
First Claim
1. A tire management system comprising a sensor module secured to inside of a tire mounted on a vehicle, for measuring a tire status value and transmitting the measured data to a vehicle body side, and a receiver module secured to the vehicle body side, for transmitting a signal demanding said measured data to the sensor module at a predetermined cycle, and receiving the measured data transmitted from the sensor module, wherein:
- the receiver module transmits a data demand signal demanding transmission of the measured data, to the sensor module at a first cycle T1, and the sensor module measures at least one tire status value at a second cycle T2 that is shorted than said first cycle T1;
said sensor module is so designed as to judge, with respect to each measurement performed at the second cycle, whether the measured data is out of a predetermined normal range, and transmit as soon as it has been judged that the measured data is out of a predetermined normal range, the measured data and a data indicating abnormal state to the receiver module through a predetermined abnormal state data transmission exclusive channel; and
said receiver module having a frequency range for a demand signal channel for transmitting the measured data demand signal, and said sensor module having a frequency range for a response signal channel for said transmission based upon detection of reception of the data demand signal from said receiver module, said frequency ranges being so determined as to avoid overlapping with said abnormal state data transmission exclusive channel.
2 Assignments
0 Petitions
Accused Products
Abstract
A tire management system includes a sensor module secured to inside of a tire that is mounted on a vehicle, for measuring a tire state value and transmitting the measured data to the vehicle side, and a receiver module secured to the vehicle side for transmitting a signal demanding the measured data to the sensor module at a predetermined cycle and receiving the measured data transmitted from the sensor module. The sensor module measures a tire status value at a predetermined cycle, judges whether the measured data is out of a predetermined normal range, and immediately transmits the measured data and an abnormal state data through a predetermined channel exclusively used for transmitting the abnormal state data to the receiver module, if the data is judged to be out of the normal range. With this structure, if an abnormal state occurs, the receiver module can receive the abnormality without any delay, while preventing shortening of the cell life.
16 Citations
8 Claims
-
1. A tire management system comprising a sensor module secured to inside of a tire mounted on a vehicle, for measuring a tire status value and transmitting the measured data to a vehicle body side, and a receiver module secured to the vehicle body side, for transmitting a signal demanding said measured data to the sensor module at a predetermined cycle, and receiving the measured data transmitted from the sensor module, wherein:
-
the receiver module transmits a data demand signal demanding transmission of the measured data, to the sensor module at a first cycle T1, and the sensor module measures at least one tire status value at a second cycle T2 that is shorted than said first cycle T1;
said sensor module is so designed as to judge, with respect to each measurement performed at the second cycle, whether the measured data is out of a predetermined normal range, and transmit as soon as it has been judged that the measured data is out of a predetermined normal range, the measured data and a data indicating abnormal state to the receiver module through a predetermined abnormal state data transmission exclusive channel; and
said receiver module having a frequency range for a demand signal channel for transmitting the measured data demand signal, and said sensor module having a frequency range for a response signal channel for said transmission based upon detection of reception of the data demand signal from said receiver module, said frequency ranges being so determined as to avoid overlapping with said abnormal state data transmission exclusive channel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
Specification