Title:
EAR-HOLE TYPE HEARING AID
Document Type and Number:
Japanese Patent JP2018098596
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To obtain an ear-hole type hearing aid in which maintenance of sound port is not required.SOLUTION: The housing 11 of ear-hole type hearing aid 1 has a contact part 11a which comes into contact with the inside wall of external auditory canal when wearing the ear-hole type hearing aid 1 on the external auditory canal, and a projection 11b coming into contact with a small air space 101 on the farther tip side than the contact part 11a. The projection 11b has an opening 11d. An acoustic radiation part 13 is closing its opening 11d, and a transducer 14 is placed in the housing 11 and giving vibration to the acoustic radiation part 13.SELECTED DRAWING: Figure 2
Inventors:
IWAKURA YUKUSHI
SOEDA AKIHIRO
SOEDA AKIHIRO
Application Number:
JP2016240096A
Publication Date:
June 21, 2018
Filing Date:
December 12, 2016
Export Citation:
Assignee:
RION CO
International Classes:
H04R25/02; H04R7/04; H04R11/02; H04R25/00
Domestic Patent References:
| JPH10126897A | 1998-05-15 | |||
| JP2003502966A | 2003-01-21 |
Attorney, Agent or Firm:
Osamu Aoki
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