Title:
SPEAKER
Document Type and Number:
Japanese Patent JP2009141885
Kind Code:
A
Abstract:
To suppress a change in acoustic characteristics due to continuous use in a speaker having a drone cone.
The speaker 1 has: a main unit 2 driven by a drive 21 to output sound; a speaker box 3 having a main unit 2; the drone cone 4 resonating with an output sound from the main unit 2; and a damper 5 for supporting the drone cone 4 to the speaker box 3. It also has a buffer section 6 for buffering movement of the drone cone 4 by resonance from a direction different from a support direction by the damper 5.
Inventors:
NAKAJIMA YUICHI
OTANI SEIJI
TSUJI HIROKI
OTANI SEIJI
TSUJI HIROKI
Application Number:
JP2007318704A
Publication Date:
June 25, 2009
Filing Date:
December 10, 2007
Export Citation:
Assignee:
FUJITSU TEN LTD
International Classes:
H04R1/28; H04R3/00
Attorney, Agent or Firm:
Yoshiyuki Kawaguchi
Hidemi Matsukura
Mayuko Wakuda
Akira Hirakawa
Kazunobu Sera
Hidemi Matsukura
Mayuko Wakuda
Akira Hirakawa
Kazunobu Sera