| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To attain a configuration capable of continuously driving a hearing aid even when a residual capacity is reduced in the battery of the hearing aid. <P>SOLUTION: A spare battery for a hearing aid includes: a battery case (21) (a body case) which is attached to one end in the longitudinal direction of a unidirectionally long hearing aid body case (11); connection terminals (25) arranged in the battery case (21) and to be electrically connected to an external terminal (15) which is arranged at the one end in the longitudinal direction of the hearing aid body case (11) while the battery case (21) is attached to the hearing aid body case (11); and a spare battery (22) for supplying power to the hearing aid (1) via the connection terminals (25). <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
