Title:
MULTIFUNCTIONAL MICRO SPEAKER
Document Type and Number:
WIPO Patent Application WO/2010/131796
Kind Code:
A1
Abstract:
The present invention relates to a multifunctional micro speaker. According to the present invention, the multifunctional micro speaker comprises: a frame; a diaphragm which has an outer circumferential part thereof fixed to the frame; a voice coil which is fixed to the lower side of the diaphragm; a 1st elastic member which includes one side thereof fixed to the frame and has elasticity; a yoke which is fixed to the 1st elastic member and has a receiving groove; a 1st permanent magnet which is fixed to the bottom surface of the receiving groove; a plate which is fixed to the upper side of the 1st permanent magnet; a 2nd elastic member which is distanced from the 1st elastic member in the downward direction, includes one side thereof fixed to the frame, and has elasticity; and a 2nd magnet which is fixed to the 2nd elastic member and distanced from the 1st elastic member and the yoke.
Inventors:
LEE HAN-RYANG (KR)
SONG CHUNG-DAM (KR)
SONG CHUNG-DAM (KR)
Application Number:
PCT/KR2009/004876
Publication Date:
November 18, 2010
Filing Date:
August 31, 2009
Export Citation:
Assignee:
BSE CO LTD (KR)
LEE HAN-RYANG (KR)
SONG CHUNG-DAM (KR)
LEE HAN-RYANG (KR)
SONG CHUNG-DAM (KR)
International Classes:
H04R9/02
Foreign References:
| KR20050044828A | 2005-05-13 | |||
| KR20010055232A | 2001-07-04 | |||
| KR200349093Y1 | 2004-04-30 | |||
| JPH1119590A | 1999-01-26 | |||
| KR100540289B1 | 2006-01-11 |
Other References:
See also references of EP 2432250A4
None
None
Attorney, Agent or Firm:
YOON, Byung-Sam et al. (KR)
윤병삼 (KR)
윤병삼 (KR)
Download PDF:
Claims:
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