Title:
スピーカ用振動板とその製造方法およびこれを用いたスピーカ
Document Type and Number:
Japanese Patent JP7029602
Kind Code:
B2
Abstract:
A loudspeaker diaphragm includes a woven fabric which is a base member, a sealing layer, and a coating layer. The woven fabric includes a first face and a second face on the reverse side of the woven fabric from the first face. The woven fabric is made into the shape of a diaphragm. The sealing layer is disposed on the first face of the woven fabric, and seals the mesh openings surrounded by warp threads and weft threads of the woven fabric. The coating layer is formed of a first composite material which is a mixture of a plurality of first short nanofibers and a first resin. The coating layer permeates the woven fabric from the second face of the woven fabric to the sealing layer.
Inventors:
Tetsuji Itano
Tomonori Shibuya
Koichi Kuze
Yoshiyuki Takahashi
Ryo Kuribayashi
Hiroyuki Amada
Tomonori Shibuya
Koichi Kuze
Yoshiyuki Takahashi
Ryo Kuribayashi
Hiroyuki Amada
Application Number:
JP2018539622A
Publication Date:
March 04, 2022
Filing Date:
August 31, 2017
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
H04R7/02
Domestic Patent References:
| JP2001204093A | ||||
| JP2015095740A | ||||
| JP2015043548A | ||||
| JP2005065059A | ||||
| JP2001197590A | ||||
| JP2005101889A |
Attorney, Agent or Firm:
Kenji Kamata
Koichi Nomura
Koichi Nomura