Disclosed examples include ultrasonic lens cleaning systems and driver circuits to clean a lens using four or more transducer segments mechanically coupled to the lens, in which the driver circuit provides phase shifted oscillating signals to the transducer segments to generate a mechanical traveling wave rotating around the center axis of the lens to vibrate the lens for improved ultrasonic cleaning.
ULTRASONIC LENS CLEANING WITH TRAVELLING WAVE EXCITATION
VERFAHREN ZUR REINIGUNG EINER ULTRASCHALLLINSE MIT WANDERWELLENANREGUNG
NETTOYAGE PAR ULTRASONS DE LENTILLES PAR EXCITATION D'ONDES PROGRESSIVES
2019-05-22
Patent
Elektronische Ressource
Englisch
IPC: | 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 / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS |
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