Title:
SPEAKER
Document Type and Number:
Japanese Patent JP2022043691
Kind Code:
A
Abstract:
To provide a speaker capable of achieving miniaturization while enhancing assemblability.SOLUTION: A speaker X includes: a diaphragm 1 having a vibration surface part 13 for emitting a sonic wave by vibration; a voice coil 2 fixed to a rear surface of the diaphragm 1; frames 3 for supporting the diaphragm 1; a magnetic circuit 4 for vibrating the voice coil 2; and a weight adjustment member 5 opposing to a front surface of the diaphragm 1 so as to adjust a weight of the vibration surface part 13. The weight adjustment member 5 includes: a plate surface part 51 fixed to a front surface of the vibration surface part 13; and a damper 52 extending outward from the plate surface part 51.SELECTED DRAWING: Figure 2
Inventors:
KUROIWA SHUNSUKE
FUKADA SHINJI
NARA ATSUSHI
FUJIMOTO YOSHITO
FUKADA SHINJI
NARA ATSUSHI
FUJIMOTO YOSHITO
Application Number:
JP2020149104A
Publication Date:
March 16, 2022
Filing Date:
September 04, 2020
Export Citation:
Assignee:
HOSIDEN CORP
International Classes:
H04R9/02
Attorney, Agent or Firm:
Patent business corporation r&c
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