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
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