Title:
SPEAKER DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/058523
Kind Code:
A1
Abstract:
[Problem] To improve fitting of a speaker device to a user's ear. [Solution] A speaker part 49 has provided therein a vibration membrane 41, a yoke 29, a voice coil 43, and a driving part 47 of the voice coil 43. A case body 57 houses and supports the speaker part 49. The case body 57 has a sound passing hole 55b for propagating a sound to the outside near the outer edge of the speaker part 49. The outer surface facing the vibration membrane 41 serves as a tragus abutment surface 55c for the user. The case body 57 has a projection part 53b that is bent in a semi-cylindrical shape so as to be projected and erected in a fan shape to the outside on the backside of the yoke 29. The projection part 53b is set as an antitragus abutment surface 53c for the user.
Inventors:
TANAKA KENTA (JP)
Application Number:
PCT/JP2017/034348
Publication Date:
March 28, 2019
Filing Date:
September 22, 2017
Export Citation:
Assignee:
TOKYO ONKYO CO LTD (JP)
International Classes:
H04R1/10
Domestic Patent References:
| WO2010005039A1 | 2010-01-14 |
Foreign References:
| JP2015228694A | 2015-12-17 | |||
| JP2015076856A | 2015-04-20 | |||
| JP2013021591A | 2013-01-31 | |||
| JP2009290666A | 2009-12-10 | |||
| JP2011223211A | 2011-11-04 | |||
| JP2017526308A | 2017-09-07 | |||
| JP2015195444A | 2015-11-05 |
Attorney, Agent or Firm:
MATSUMOTO Kei et al. (JP)
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