Title:
ACOUSTIC SIGNAL OUTPUT DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/084578
Kind Code:
A1
Abstract:
Provided is an acoustic signal output device including: a housing that emits an acoustic signal; and a worn section that holds the housing and is configured so as to be worn on the auricle. The worn section includes a fixing section for holding a concave inner wall surface configured so as to be fitted into the upper part of the auricle, and a shielding wall configured so as to cover only part of the auricle when the inner wall surface side of the fixing section is fitted into the upper part of the auricle.
Inventors:
CHIBA HIRONOBU (JP)
KAKO TATSUYA (JP)
KOBAYASHI KAZUNORI (JP)
KAKO TATSUYA (JP)
KOBAYASHI KAZUNORI (JP)
Application Number:
PCT/JP2021/041127
Publication Date:
May 19, 2023
Filing Date:
November 09, 2021
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
H04R1/10
Foreign References:
| JPS57185291U | 1982-11-25 | |||
| US20200389742A1 | 2020-12-10 | |||
| US20170311067A1 | 2017-10-26 | |||
| KR20080095963A | 2008-10-30 |
Attorney, Agent or Firm:
NAKAO, Naoki et al. (JP)
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