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Title:
HYBRID SPEAKER
Document Type and Number:
WIPO Patent Application WO/2013/176053
Kind Code:
A1
Abstract:
A hybrid speaker provided with: first magnets (1) arranged at a predetermined interval such that the S poles or the N poles face the same side; second magnets (2) which have a smaller volume than the first magnets (1) and which are arranged between the first magnets (1) in a manner such that one or more second magnets (2) come into contact with one another and that the magnetic poles of the second magnets (2) are opposite the magnetic poles of the first magnets (1); a yoke (4) in which the first magnets (1) and the second magnets (2) are housed; voice coils (3) disposed so as to cross the magnetic circuit between the first magnets (1) and the yoke (4); a diaphragm (6) on one surface of which the voice coils (3) are secured; a frame (5) on which the diaphragm (6) is secured on the peripheral edge part of the surface on the side on which the voice coils (3) are secured; and leaf springs (7) for elastically supporting the yoke (4) on the frame (5) on the surface of the frame (5) that is opposite the side on which the diaphragm (6) is secured.

Inventors:
HORI MASASHI (JP)
NAKABAYASHI TOHRU (JP)
ENOKIDO YASUO (JP)
Application Number:
PCT/JP2013/063799
Publication Date:
November 28, 2013
Filing Date:
May 17, 2013
Export Citation:
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Assignee:
FPS INC (JP)
International Classes:
H04R9/06; H04R7/04; H04R9/00; H04R9/02; H04R9/04
Domestic Patent References:
WO2011077770A12011-06-30
WO2010067531A12010-06-17
WO2011122528A12011-10-06
WO2009096242A12009-08-06
Foreign References:
JP2000023439A2000-01-21
JP2005318133A2005-11-10
JP2011502456A2011-01-20
Attorney, Agent or Firm:
NAKAJIMA, Jun et al. (JP)
Nakajima 淳 (JP)
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