| 摘要 |
<p>PROBLEM TO BE SOLVED: To reduce the size and thickness of a tuner by holdably forming the contact of a jack at need thereby forming a structure that the contact is housable in a tuner body when the jack is not used. SOLUTION: The tuner is so constructed that the jack itself is folded and housed in the tuner body when the jack is not used, thereby, the size and thickness of the tuner are reduced.</p> |
