Disclosed is a device (5) for cleaning an optical surface, which device comprises: —a transparent optical surface (10); —a cleaning unit (15) for cleaning the optical surface, having a piezoelectric layer (20) and at least two wave transducers (45), each wave transducer having electrodes (40) of opposite polarity in contact with the piezoelectric layer and being acoustically coupled to the optical surface so as to generate at least one surface ultrasonic wave (Ws) or a Lamb wave (WL) propagating in the optical surface, the transducers being further arranged on the periphery of the optical surface.
DISPOSITIF POUR NETTOYER UNE SURFACE OPTIQUE
DEVICE FOR CLEANING AN OPTICAL SURFACE
VORRICHTUNG ZUR REINIGUNG EINER OPTISCHEN OBERFLÄCHE
2023-10-18
Patent
Electronic Resource
French
IPC: | G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / B08B Reinigen allgemein , CLEANING IN GENERAL / 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 / G01S RADIO DIRECTION-FINDING , Funkpeilung |