The invention relates to a seat back (10) comprising an improved sound-emitting device for the seat occupant, formed by a rigid chamber (11) covered by a lining (10a) and supporting two loudspeakers (16) for transmitting sound on each side of the guides (12) for the headrest poles, characterised in that the rigid chamber (11) comprises a resonator (20) disposed between the loudspeakers (16), allowing distortion at low frequencies to be reduced and a quality HiFi sound to be produced.
DOSSIER DE SIÈGE COMPORTANT UN DISPOSITIF DE SONORISATION PERFECTIONNÉ
SEAT BACK COMPRISING AN IMPROVED SOUND-EMITTING DEVICE
SITZLEHNE MIT VERBESSERTER SCHALLABSTRAHLENDER VORRICHTUNG
12.12.2018
Patent
Elektronische Ressource
Französisch
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