Title:
SPEAKER-TYPE VIBRATION APPARATUS, AND ELECTRONIC APPARATUS PROVIDED WITH VIBRATION FUNCTION
Document Type and Number:
WIPO Patent Application WO/2011/043292
Kind Code:
A1
Abstract:
Disclosed is a vibration apparatus which is suitable for an electronic apparatus, has excellent response characteristics and is low-cost, light-weight and compact.
The speaker-type vibration apparatus (4) is provided with: a magnetic circuit having a magnetic space (14); a voice coil (16) disposed in the magnetic space (14); and a vibration plate (20) fixed to the voice coil (16). The vibrating plate (20) is provided with a hole (20b) and a weight (18) such that the resonance frequency is within a range of 30-300Hz.
Inventors:
TAKI YOSHIHIRO (JP)
NAKAJIMA YOSHITAKA (JP)
KIRITA HIROSHI (JP)
NAKAJIMA YOSHITAKA (JP)
KIRITA HIROSHI (JP)
Application Number:
PCT/JP2010/067362
Publication Date:
April 14, 2011
Filing Date:
October 04, 2010
Export Citation:
Assignee:
KOTO CO LTD (JP)
TAKI YOSHIHIRO (JP)
NAKAJIMA YOSHITAKA (JP)
KIRITA HIROSHI (JP)
TAKI YOSHIHIRO (JP)
NAKAJIMA YOSHITAKA (JP)
KIRITA HIROSHI (JP)
International Classes:
B06B1/04; H02K33/18
Foreign References:
| JP2008288635A | 2008-11-27 | |||
| JP2000334377A | 2000-12-05 | |||
| JPH11243593A | 1999-09-07 | |||
| JP2007175570A | 2007-07-12 | |||
| JP2005136863A | 2005-05-26 |
Attorney, Agent or Firm:
GOTOH TAKASHI (JP)
Takashi Goto (JP)
Takashi Goto (JP)
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