VIBRATING DEVICE COMPRISING EMBEDDED MECHANICAL REFLECTORS FOR DEFINING AN ACTIVE PLATE MODE PROPAGATION AREA AND MOBILE APPARATUS COMPRISING THE DEVICE

VIBRATING DEVICE COMPRISING EMBEDDED MECHANICAL REFLECTORS FOR DEFINING AN ACTIVE PLATE MODE PROPAGATION AREA AND MOBILE APPARATUS COMPRISING THE DEVICE

A vibrating device comprises: a first support configured to be deformed having a surface defined in a plane in directions X and Y; at least one actuator configured to generate plate modes propagated in the first support; the first support comprising: at least one defect with respect to the propagati...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CASSET, Fabrice, BASROUR, Skandar, CHAPPAZ, Cédrick, GORISSE, Marie
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ACOUSTICS
ACOUSTICS NOT OTHERWISE PROVIDED FOR
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
FOR PERFORMING MECHANICAL WORK IN GENERAL
GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICALVIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY
METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL
MUSICAL INSTRUMENTS
PERFORMING OPERATIONS
PHYSICS
SOUND-PRODUCING DEVICES
TRANSPORTING
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Beschreibung
Zusammenfassung:A vibrating device comprises: a first support configured to be deformed having a surface defined in a plane in directions X and Y; at least one actuator configured to generate plate modes propagated in the first support; the first support comprising: at least one defect with respect to the propagation of the plate modes; the defect being of geometrical nature or corresponding to a structural heterogeneity; comprising: a second support; at least one embedded mechanical reflector secured to the first support and in contact with the first support, configured to immobilize the first support in at least one direction Z at right angles to the directions X and Y, the mechanical reflector being secured to the second support and; the embedded mechanical reflector being configured to isolate a so-called active zone belonging to the surface defined in a plane in directions X and Y in which the plate modes are propagated, the active zone excluding the defect; the actuator being situated in the active region.