发明名称 |
PASSIVE RADIATOR AND SPEAKER SYSTEM |
摘要 |
PROBLEM TO BE SOLVED: To provide an inexpensive passive radiator having a simple and light-weight structure and to provide a speaker system provided with the passive radiator. SOLUTION: The passive radiator 1 includes a vibrator 11, an electromagnetic braking part 12 and a frame 13. The electromagnetic braking part 12 includes a magnetic circuit 31 and a conductive part 32. The conductive part 32 is attached to the vibrator 11. A part of the conductive part 32 is extended into a magnetic field formed by the magnetic circuit 31. The frame 13 supports the vibrator 11 and the electromagnetic braking part 12. COPYRIGHT: (C)2010,JPO&INPIT
|
申请公布号 |
JP2009232040(A) |
申请公布日期 |
2009.10.08 |
申请号 |
JP20080073325 |
申请日期 |
2008.03.21 |
申请人 |
PIONEER ELECTRONIC CORP;TOHOKU PIONEER CORP |
发明人 |
KOBAYASHI HIROYUKI;ABE YASUHISA |
分类号 |
H04R1/28 |
主分类号 |
H04R1/28 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|