| 摘要 |
PROBLEM TO BE SOLVED: To provide a tire information transmitter capable of transmitting required tire information to the vehicle side with little electric power consumption.SOLUTION: A tire information transmitter 10 is constituted of a first sensor 11 for acquiring information on a tire, a second sensor 12 for detecting a time change waveform of a tire grounding state, peak position detection means 152 for detecting a peak position of the time change waveform, peak interval calculation means 154 for calculating a peak interval, grounding side area setting means 155 for setting a grounding side area including an area of grounding the tire, tire information extraction means 16 for classifying the tire information acquired by the sensor into information on the grounding side area and information on an ungrounded side area and extracting only the information on the grounding side area among the tire information and transmission means 17 for transmitting only the information on the grounding side area to the vehicle side. |
