Title:
SPEAKER
Document Type and Number:
Japanese Patent JP2019110441
Kind Code:
A
Abstract:
To provide a speaker with excellent durability and waterproofness while reducing the number of parts.SOLUTION: A speaker 100 according to the present invention includes a base 200 on which a magnetic circuit member is mounted and a main unit 300 mounted on the base 200. The main unit 300 includes a dust cap 310, a diaphragm 320 connected to the dust cap 310, an edge 330 connected to the diaphragm 320, and a box unit 340 connected to edge 330, and the main unit 300 is formed of one resin sheet on which a mold is transferred by a vacuum forming method or a pressure forming method.SELECTED DRAWING: Figure 2
Inventors:
ITO AKIRA
Application Number:
JP2017242330A
Publication Date:
July 04, 2019
Filing Date:
December 19, 2017
Export Citation:
Assignee:
ALPINE ELECTRONICS INC
International Classes:
H04R1/02; B60R11/02; H04R7/12; H04R7/18; H04R9/02; H04R31/00
Attorney, Agent or Firm:
Kyozo Katayose
Katsushi Sato
Masahiko Amagai
Kazuyuki Tachibana
Katsushi Sato
Masahiko Amagai
Kazuyuki Tachibana