| 发明名称 |
MOUNT TYPE ACOUSTIC OUTPUT APPARATUS AND ACOUSTIC REPRODUCING APPARATUS |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a mount type acoustic output apparatus capable of providing information on the mounting state to an acoustic reproducing apparatus. <P>SOLUTION: The mount type acoustic output apparatus is provided with a contact switch 4 to detect whether or not an earphone 1 is mounted to an ear, and provides mounting state information denoting whether or not the earphone 1 is mounted to the ear to the acoustic reproducing apparatus 7 through an on / off operation of the contact switch 4. <P>COPYRIGHT: (C)2004,JPO</p> |
| 申请公布号 |
JP2004153350(A) |
申请公布日期 |
2004.05.27 |
| 申请号 |
JP20020313560 |
申请日期 |
2002.10.29 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
NAKAMURA SHINSUKE;HAYAKAWA YUTAKA |
| 分类号 |
H04R1/10;H04R3/00;(IPC1-7):H04R3/00 |
主分类号 |
H04R1/10 |
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