Title:
EAR PLUG
Document Type and Number:
Japanese Patent JP2020078477
Kind Code:
A
Abstract:
To provide an ear plug enabling a user to listen to music.SOLUTION: An ear plug 1 comprises a driver unit 2 for converting an electric signal to sound, and a sound insulation member 3 holding the driver unit 2 toward an external auditory canal. The sound insulation member 3 can close the external auditory canal. The sound insulation member 3 has elasticity and flexibility. The sound insulation member 3 has a storage chamber 4 for storing the entire driver unit 2. An opening 4a of the storage chamber 4 is closed by resin 5. The resin 5 is bonded to the sound insulation member 3 and a cable 6.SELECTED DRAWING: Figure 3
Inventors:
SATO KENJI
Application Number:
JP2018213354A
Publication Date:
May 28, 2020
Filing Date:
November 13, 2018
Export Citation:
Assignee:
HATSUMEIYA KK
International Classes:
A61F11/10; G10K11/04; H04R1/00; H04R1/10
Domestic Patent References:
| JPS63181760A | 1988-07-26 | |||
| JP2009232443A | 2009-10-08 |
Foreign References:
| US20040010181A1 | 2004-01-15 |