| 摘要 |
<p>Improvement in the faceplates (10) of intracanal hearing aids, which faceplate (10) constitutes the main support for all the electronic components and for a battery-holder (28) that has a particularly convenient disposition and an original shape; the unit comprising a small cover (28A) that houses the battery, and can rotate about a hinge (27) lying in the upper face of the external plate, between a lowered ON closing and operating position, a partial raised, OFF position, and a completely raised open position for extracting the battery, wherein these functions are performed by cooperating electrical contacts (33, 34) which both engage the battery opposite poles for supplying the power to the hearing aid operative circuit and hold the battery holder (28) in the different positions thereof.</p> |
