Title:
LOUDSPEAKER, ELECTRONIC APPARATUS USING LOUDSPEAKER, AND MOBILE EQUIPMENT USING LOUDSPEAKER
Document Type and Number:
WIPO Patent Application WO/2015/146117
Kind Code:
A1
Abstract:
This loudspeaker includes: a light emitting element; a frame; a magnetic circuit including a magnetic gap; a diaphragm; a voice coil bobbin; and a voice coil. The diaphragm has: an inner circumferential end section having the light emitting element bonded to an end surface; a light guide section and a reflection surface; and an outer circumferential end section bonded to the frame. A first end of the voice coil bobbin is bonded to the inner circumferential end section of the diaphragm, and a second end is inserted into the magnetic gap. The voice coil is wound on the second end of the voice coil bobbin.
Inventors:
YUASA TAKAFUMI
YAMAUCHI KENJI
TAKAYAMA SATOSHI
NAKAYAMA KOICHI
KURIBAYASHI RYO
YAMAUCHI KENJI
TAKAYAMA SATOSHI
NAKAYAMA KOICHI
KURIBAYASHI RYO
Application Number:
PCT/JP2015/001605
Publication Date:
October 01, 2015
Filing Date:
March 23, 2015
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H04R1/00; B60R11/02; F21V8/00; H04R1/02; H04R7/02; H04R7/06; H04R9/04
Foreign References:
| JP2010124322A | 2010-06-03 | |||
| JP2012019347A | 2012-01-26 | |||
| JPH01175097U | 1989-12-13 | |||
| JP2009164696A | 2009-07-23 | |||
| JP2004007308A | 2004-01-08 | |||
| JPH02103987U | 1990-08-17 |
Other References:
See also references of EP 3125571A4
Attorney, Agent or Firm:
FUJII, Kentaro et al. (JP)
Fujii Kentaro (JP)
Fujii Kentaro (JP)
Download PDF:
Previous Patent: VIBRATION MODULE AND ELECTRONIC DEVICE
Next Patent: RECEPTION DEVICE, METHOD FOR CONTROLLING SAME, PROGRAM, AND RECORDING MEDIUM
Next Patent: RECEPTION DEVICE, METHOD FOR CONTROLLING SAME, PROGRAM, AND RECORDING MEDIUM