Title:
SPEAKER, AND ELECTRONIC DEVICE AND MOVING BODY DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2013/161214
Kind Code:
A1
Abstract:
A speaker comprises a diaphragm, a magnetic circuit and a frame. The frame comprises a peripheral portion supporting the diaphragm, a central portion supporting the magnetic circuit, and a connection portion joining the central portion and the peripheral portion. The peripheral portion, which is formed from plastic, contains an inner wall, an outer wall that faces the inner wall, and a reinforcing rib provided between the inner wall and the outer wall.
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JPS6012398 | [Title of the device] Mounting structure of a speaker |
WO/2001/006523 | MAGNET ASSEMBLY |
WO/2023/158131 | ELECTRONIC DEVICE COMPRISING SPEAKER |
Inventors:
KAGAWA SHINYA
TSUCHIYA GORO
SANO KOJI
YOGO AKIHIRO
AJIKI KENICHI
KUZE MITSUKAZU
TSUCHIYA GORO
SANO KOJI
YOGO AKIHIRO
AJIKI KENICHI
KUZE MITSUKAZU
Application Number:
PCT/JP2013/002557
Publication Date:
October 31, 2013
Filing Date:
April 16, 2013
Export Citation:
Assignee:
PANASONIC CORP (JP)
International Classes:
H04R9/02; B60R11/02; H04R1/02
Foreign References:
JP2006229522A | 2006-08-31 | |||
JP2008193371A | 2008-08-21 | |||
JP2002142290A | 2002-05-17 | |||
JP2008160360A | 2008-07-10 | |||
JPH01120197A | 1989-05-12 |
Attorney, Agent or Firm:
NAITO, Hiroki et al. (JP)
Hiroki Naito (JP)
Hiroki Naito (JP)
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