PURPOSE: To enable a hearing aid to be comfortably used by easily storing a battery by the use of a simple structure so that it may be attachable and detachable and preventing the storage structure from affecting the ear and the side head part. ;CONSTITUTION: This hearing aid is composed of the body 1 with a built-in amplifier located at the back of the ear and an earphone 3 extended from the body 1 via a cord 2. The body 1 is formed in a semicircle shape, the cord 2 is extended from the upper end part of the body 1, its lower end part is provided with a freely opened and closed battery holder 4 in a manner that it may be pivoted along the longitudinal direction of the body 1, a part of the battery holder 4 is projected out of the outer periphery of the body 1 to form a switching operation part.;COPYRIGHT: (C)1996,JPO
展开▼
