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1. 发明公开

EP3257402A1 HEADREST HAVING SPEAKER 有权
标题翻译：头带有扬声器
公开(公告)号：EP3257402A1
公开(公告)日：2017-12-20
申请号：EP16749306.3
申请日：2016-02-12
申请人： Delta Tooling Co., Ltd.
发明人： FUJITA, Etsunori , OGURA, Yumi , UCHIYAMA, Takao , TAKENAKA, Kazuhiro , YASUI, Kazunari
IPC分类号： A47C7/38 , A47C7/72 , B60N2/48 , B60R11/02 , H04R1/02 , H04R1/32
CPC分类号： H04R1/023 , A47C7/38 , A47C7/72 , B60N2/80 , B60N2/879 , B60R11/02 , H04R1/02 , H04R1/028 , H04R1/32 , H04R2499/13
摘要： The present invention prevents a three-dimensional fabric arranged in front surfaces of speakers from flapping due to sound. In the respective front surface sides of speakers 20, 30, sound-emitting direction regulating members 23, 33 that include annular portions 231, 331 that project forward by a predetermined distance are arranged. A three-dimensional fabric 421 is tensioned and arranged so as to cover the front surface sides of the sound-emitting direction regulating members 23, 33. When the three-dimensional fabric 421 is pressed against the annular portions 231, 331 configuring the sound-emitting direction regulating members 23, 33, the annular portions 231, 331 bite into the three-dimensional fabric 421 since the three-dimensional fabric 421 has a predetermined thickness. The annular portions 231, 331 are provided so as to surround diaphragms 221, 321 of the speakers 20, 30. Sound output from the speakers 20, 30 passes inside the annular portions 231, 331. However, the periphery of a region of the three-dimensional fabric 421 in which sound passes is supported by the biting of the annular portions 231, 331, thereby preventing the three-dimensional fabric 421 from flapping widely in response to the sound.
摘要翻译：本发明防止布置在扬声器的前表面中的三维织物因声音而发生飘动。在扬声器20,30的各前面侧配置有具有向前方突出规定距离的环状部231,331的发声方向限制部件23,33。三维织物421张紧并布置成覆盖发声方向调节构件23,33的前表面侧。当立体织物421压靠构成发声方向调节构件23的环形部231,331时，由于三维织物421具有预定厚度，所以环形部分231,331咬入三维织物421中。环形部分231,331设置成围绕扬声器20,30的振膜221,321。从扬声器20,30输出的声音在环形部分231,331内通过。但是，三个区域声音通过的三维织物421被环形部分231,331的咬住支撑，由此防止立体织物421响应于声音而广泛地飘动。

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