The invention relates to a sound-equipped headrest comprising: at least one woofer (20) associated with an open rear portion (31) comprising a rear grid (34) and/or an open-cell or semi-open-cell foam (33) having a density of between 8 and 60 kg/m3, such that the at least one woofer (20) is bi-directional; and at least one alto/treble loudspeaker (21) associated with the closed rear portion comprising a solid wall and/or closed cell foam such that the at least one alto/treble loudspeaker (21) is unidirectional.
本发明涉及一种配备有声音的头枕,包括:至少一个低音扬声器(20),与包括后网格(34)和/或密度在8至60kg/m3之间的开孔或半开孔泡沫(33)的开放后部(31)相关联,使得所述至少一个低音扬声器(20)是双向的;以及至少一个中音/高音扬声器(21),与包括实心壁和/或闭孔泡沫的封闭后部相关联,使得至少一个中音/高音扬声器(21)是单向的。
Headrest equipped with loudspeakers and associated seat
配备有扬声器的头枕和关联的座椅
2023-07-25
Patent
Elektronische Ressource
Chinesisch
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