| 摘要 |
PROBLEM TO BE SOLVED: To provide an earhole type hearing aid capable of preventing moisture such as sweat or water from eroding a solder part of an electric component even when the moisture intrudes into a battery housing part. SOLUTION: The earhole type hearing aid having a case internal space formed with a shell 1 and a face plate 2 is provided with a protector 10 isolating a battery housing space 8 constituting the case internal space from a shell internal space 9. The face plate 2 has an opening 5 for battery attachment/detachment formed thereon and is molded integrally with battery contact pieces 12 and 13 by insert-molding. The protector 10 covers a battery B and is formed into a vessel-like shape having an opening 10a, and the opening 5 of the face plate 2 is jointed to the opening 10a of the protector 10. COPYRIGHT: (C)2009,JPO&INPIT |
