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Title:
LOUDSPEAKER, ELECTRONIC APPARATUS USING SAME, AND MOBILE APPARATUS
Document Type and Number:
WIPO Patent Application WO/2015/045284
Kind Code:
A1
Abstract:
This loudspeaker includes: a frame; a magnetic circuit including a magnetic gap; a cone-shaped diaphragm; a voice coil; and LEDs. The magnetic circuit is bonded under the frame. The diaphragm is connected to an outer circumferential portion of the frame. A first end portion of the voice coil is bonded to the diaphragm, and a second end portion thereof is inserted into the magnetic gap. The LEDs are provided above the frame, and output light toward the center of the diaphragm. The LEDs are disposed such that the diaphragm reflects the light.

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Inventors:
KURIBAYASHI RYO
KUBO KAZUTAKA
JIN YOHEI
SATO HITOSHI
MORIMOTO HIROYUKI
Application Number:
PCT/JP2014/004545
Publication Date:
April 02, 2015
Filing Date:
September 04, 2014
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H04R1/00; H04R1/02; H04R7/02; H04R7/14; H04R9/02
Foreign References:
JPS59169177U1984-11-12
JPH0395292U1991-09-27
JPH02103987U1990-08-17
JP3131927U2007-05-31
JPH02120993U1990-10-01
JP2003259483A2003-09-12
JP2011176621A2011-09-08
JP2005252424A2005-09-15
JP2008252611A2008-10-16
JPH07154894A1995-06-16
JPH11164378A1999-06-18
JPS59144983U1984-09-27
JPH09212107A1997-08-15
Other References:
See also references of EP 3051834A4
Attorney, Agent or Firm:
FUJII, Kentaro et al. (JP)
Fujii Kentaro (JP)
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