Electroacoustic device (5) comprising: an ultrasonic wave transducer (15) comprising a piezoelectric substrate (10) and first (30) and second (35) electrodes in contact with the piezoelectric substrate, and a carrier (10), the transducer being attached to the carrier and acoustically coupled to the carrier, and the first and second electrodes being sandwiched, at least partly, between the piezoelectric substrate and the carrier, the device being configured to generate an ultrasonic surface wave (W) propagating through the carrier at a distance from the transducer when an electric current passes through the first and second electrodes.
Electroacoustic Device
2022-10-27
Patent
Electronic Resource
English
IPC: | B06B GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL , Erzeugen oder Übertragen mechanischer Schwingungen allgemein / 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 |