The invention relates to a device (5) comprising: —an optical surface (10); —a cleaning unit (15) for cleaning the optical surface, comprising at least one wave transducer (70) acoustically coupled to the optical surface, the wave transducer having a piezoelectric layer (80) and electrodes (85) of opposite polarity in contact with the piezoelectric layer, and being configured to generate at least one surface ultrasonic wave (WS) or a Lamb wave (WL) propagating in the optical surface; —the optical surface having at least one region of optical interest (100) not superposed on the wave transducer, the device comprising an apparatus (20) configured to sense and/or to emit radiation (R) through the region of optical interest (100).
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 |