Disclosed examples include lens cleaning systems, drivers and operating methods, including a transducer mechanically coupled to a lens, a driver to provide an oscillating drive signal to the transducer and a controller to control the drive signal frequency to vibrate the lens at frequencies in a range of interest. The controller determines a measured resonant frequency of the lens cleaning system in the range of interest according to a transducer feedback signal and selectively performs a lens cleaning operation if the measured resonant frequency differs from a baseline resonant frequency of the lens cleaning system for a clean lens.


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    Titel :

    ULTRASONIC LENS CLEANING SYSTEM WITH FOREIGN MATERIAL DETECTION


    Weitere Titelangaben:

    ULTRASCHALL-LINSENREINIGUNGSSYSTEM MIT ERKENNUNG VON FREMDSTOFFEN
    SYSTÈME À ULTRASONS DE NETTOYAGE DE LENTILLE AVEC DÉTECTION DE MATIÈRE ÉTRANGÈRE


    Beteiligte:

    Erscheinungsdatum :

    16.08.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    H10N / B08B Reinigen allgemein , CLEANING IN GENERAL / B06B GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL , Erzeugen oder Übertragen mechanischer Schwingungen allgemein / B60S SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR , Warten, Reinigen, Instandsetzen, Unterstützen, Anheben oder Rangieren von Fahrzeugen, soweit nicht anderweitig vorgesehen



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