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Patent Searching and Data


Title:
LOUDSPEAKER
Document Type and Number:
WIPO Patent Application WO/2019/003646
Kind Code:
A1
Abstract:
The present invention addresses the problem of making it possible to take countermeasures against noises of a loudspeaker by means of a simple configuration. A loudspeaker 10 is provided with: a bobbin 15 that is provided with a voice coil 31; a diaphragm 13 connected to the bobbin 15; a frame 11 that supports the diaphragm 13; and a magnetic circuit section 17 including a magnet 22. The loudspeaker is also provided with: a first conductive body 41, which is connected to the voice coil 31, and which is led out to the outside of a bobbin 15A; and a second conductive body 51, which is connected to the first conductive body 41, and which penetrates the magnet 22.

Inventors:
UENO MINORU (JP)
ISHIKAWA TAKAO (JP)
NAKASHIMA FUMIAKI (JP)
Application Number:
PCT/JP2018/017781
Publication Date:
January 03, 2019
Filing Date:
May 08, 2018
Export Citation:
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Assignee:
CLARION CO LTD (JP)
International Classes:
H04R9/04; H04R9/02
Domestic Patent References:
WO2015129232A12015-09-03
Foreign References:
JP2002271894A2002-09-20
JPH10322794A1998-12-04
JPS57196698A1982-12-02
US20160381446A12016-12-29
US5832096A1998-11-03
JP2015080121A2015-04-23
JP2015126463A2015-07-06
JP2017125809A2017-07-20
Other References:
See also references of EP 3648474A4
Attorney, Agent or Firm:
KUSHIBUCHI & ASSOCIATES (JP)
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