Each of a plurality of tire air pressure detectors (4) includes an information retention portion (20) that retains one or more pieces of timing information indicating the time at which the tire air pressure detector (4) has rotated to a specific detector angle in a first time band (T2) for withholding transmission of a radio wave signal, and a radio wave transmission control portion (21) that transmits one or more of the pieces of timing information retained in the information retention portion (20) to a receiver (12) in a second time band (T1) enabling transmission of the radio wave signal. The receiver (12) includes an axle rotation amount reader portion (23) that receives axle rotation amount information generated in each of a plurality of axle rotation detection portions (22), and a position determination portion (24) that calculates an axle rotation amount at the point in time at which the tire air pressure detectors (4) have rotated to the specific detector angle, on the basis of the timing information from each of the radio wave transmission control portions (21) of the plurality of tire air pressure detectors (4) and the axle rotation amount information corresponding to the timing information from the axle rotation amount reader portion (23), and that determines the tire position using the calculated axle rotation amount.


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    Title :

    TIRE POSITION DETERMINATION SYSTEM


    Additional title:

    SYSTEM ZUR REIFENPOSITIONSBESTIMMUNG
    SYSTÈME DE DÉTERMINATION DE POSITION DE PNEU


    Contributors:

    Publication date :

    2018-12-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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