An optical device (10) of the present invention includes a protective cover (12), a housing (11) that is a cylindrical body, and a vibrating body (13). The vibrating body (13) vibrates the protective cover (12) by selecting, from a plurality of vibration modes in which the protective cover (12) is vibrated, a cleaning mode in which vibration displacement of the protective cover (12) becomes maximum and a higher-order heating mode in which the number of nodes is larger than that in the cleaning mode. In the heating mode, the position of the maximum vibration displacement in this vibration mode is within a region of the protective cover (12) that corresponds to the field of view of the optical sensor (1).


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    Title :

    OPTICAL DEVICE AND OPTICAL UNIT COMPRISING OPTICAL DEVICE


    Additional title:

    OPTISCHE VORRICHTUNG UND OPTISCHE EINHEIT MIT OPTISCHER VORRICHTUNG
    DISPOSITIF OPTIQUE ET UNITÉ OPTIQUE COMPRENANT UN DISPOSITIF OPTIQUE


    Contributors:

    Publication date :

    2023-06-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / 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 / G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM , Geräte oder Anordnungen zum Aufnehmen, Projizieren oder Betrachten von Fotografien / H04N PICTORIAL COMMUNICATION, e.g. TELEVISION , Bildübertragung, z.B. Fernsehen / H10N



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