| 发明名称 |
VEHICLE-MOUNT SPEAKER |
| 摘要 |
PROBLEM TO BE SOLVED: To provide a vehicle-mount speaker (1) which suppresses the cost as much as possible by eliminating a work for replacing a door panel (45) for attaching a speaker unit. SOLUTION: In the vehicle-mount speaker (1) in which an elastic body (46) is arranged between a magnetic circuit (2) and a frame (41) to form a viscous friction damper (4), an inherent angular frequencyω<SB>ns</SB>of the damper (4) is within a predetermined range with the speaker (1) attached on the door panel (45). COPYRIGHT: (C)2004,JPO
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| 申请公布号 |
JP2004153457(A) |
申请公布日期 |
2004.05.27 |
| 申请号 |
JP20020314849 |
申请日期 |
2002.10.29 |
| 申请人 |
PIONEER ELECTRONIC CORP;TOHOKU PIONEER CORP |
发明人 |
MAEKAWA KOJI;ONUMA TETSUYA;ITO TAKESHI |
| 分类号 |
H04R9/02;H04R1/02;(IPC1-7):H04R1/02 |
主分类号 |
H04R9/02 |
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