A vehicle sound output device includes a sound generation unit configured to generate a sound having a predetermined frequency, a double wall disposed on a vehicle outer side with respect to the sound generation unit, and including an inner wall portion and an outer wall portion which are separated from each other in a vehicle inner-outer direction, and an intermediate layer which is formed in a closed space between the inner wall portion and the outer wall portion and through which the sound is transmitted.
VEHICLE SOUND OUTPUT DEVICE AND VEHICLE SOUND PROPAGATION DEVICE
2023-03-30
Patent
Electronic Resource
English
IPC: | G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS , Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler |
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