Title:
振動板と、これを用いたラウドスピーカと、ラウドスピーカを用いた電子機器、ならびに移動体装置
Document Type and Number:
Japanese Patent JP6371978
Kind Code:
B2
Abstract:
A diaphragm includes a paper layer and a skin layer. The paper layer includes natural fibers and synthetic fibers formed of thermoplastic resin. The paper layer is formed by mixing the natural fibers and the synthetic fibers in water, and thinly spreading a resultant mixture on a mesh. The skin layer is formed on one surface of the paper layer. Note here that the skin layer is formed of the same resin as that of the synthetic fibers.
Inventors:
God Youhei
Kajiwara Yoshimichi
Kajiwara Yoshimichi
Application Number:
JP2014551869A
Publication Date:
August 15, 2018
Filing Date:
November 29, 2013
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
H04R7/02
Domestic Patent References:
| JP53005616A | ||||
| JP51046930A | ||||
| JP2011146769A | ||||
| JP52055518A |
Attorney, Agent or Firm:
Kenji Kamada
Hiroo Maeda
Hiroo Maeda