A system determines the position of an elevator car movable in an elevator installation shaft. A transmitter emits modulated electromagnetic radiation with a first modulation frequency as a first output signal, a sensor cell receives electromagnetic radiation reflected by a detected object as an original measurement signal, and an evaluation unit, communicating with the transmitter and the sensor cell, delays the original measurement signal thus generating a delayed measurement signal, determines a first phase offset between the original measurement signal and the first output signal, determines a second phase offset between the delayed measurement signal and the first output signal, selects either the first phase offset or the second phase offset based upon a selection condition to determine a position of the elevator car within a portion of the elevator shaft, and determines the elevator car position based upon the elevator shaft portion and the position within the portion.


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    Titel :

    SYSTEM AND METHOD FOR DETERMINING THE POSITION OF AN ELEVATOR CAR OF AN ELEVATOR INSTALLATION, SAID ELEVATOR CAR BEING MOVABLY ARRANGED IN AN ELEVATOR SHAFT


    Beteiligte:
    DE COI BEAT (Autor:in) / STUDER CHRISTIAN (Autor:in) / HOSEMANN AXEL (Autor:in) / GRAF UDO (Autor:in)

    Erscheinungsdatum :

    30.01.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66B Aufzüge , ELEVATORS / G01S RADIO DIRECTION-FINDING , Funkpeilung




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