The purpose of the present invention is to provide a tire air pressure monitoring device capable for accurately determining the wheel position of a transmitter. In order to achieve this object, the tire air pressure monitoring device comprises: a transmitter (2d) installed on each wheel (1) for transmitting detected air pressure information in a wireless signal; a rotational position detection mechanism (wheel speed sensor (8), ABSCU (6)) disposed on the vehicle body side corresponding to each wheel (1), and which detects the rotational position (wheel speed pulse) of each wheel (1) and also outputs rotational position information (count value of wheel speed pulse) to a communications line (CAN communications line (7)) at prescribed time intervals (T0) (cycle 20 msec); and a vehicle body side rotation position estimation mechanism (rotation position calculation unit (4a)) that estimates the rotational position (number of teeth (z t2 )) at the time of transmission (transmission command time (t2)) by the transmitters (2d), on the basis of the reception information (reception completion time (t4)) for the wireless signal from the transmitters (2d) and the rotation position information (input times (t1, t5), number of teeth (z t1 , z t5 )) for the wheels (1) input via the communications line (CAN communications line (7)).


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    Titel :

    TIRE AIR PRESSURE MONITOR DEVICE


    Weitere Titelangaben:

    REIFENLUFTDRUCKÜBERWACHUNGSVORRICHTUNG
    DISPOSITIF DE CONTRÔLE DE PRESSION DE PNEU


    Beteiligte:
    SHIMA TAKASHI (Autor:in) / SAKAGUCHI KAZUO (Autor:in) / TERADA SYOJI (Autor:in)

    Erscheinungsdatum :

    07.12.2016


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / G01L Messen von Kraft, mechanischer Spannung, Drehmoment, Arbeit, mechanischer Leistung, mechanischem Wirkungsgrad oder des Drucks von Fluiden , MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE / G08C Übertragungssysteme für Messwerte, Regel-, Steuer- oder ähnliche Signale , TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS



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