Title:
HIGH-PERFORMANCE SLIM SPEAKER
Document Type and Number:
WIPO Patent Application WO/2019/189978
Kind Code:
A1
Abstract:
The present invention provides a high-performance slim speaker comprising: a frame part (110) having an upwardly open space arranged therein; a diaphragm (120) mounted at the upper side of the space to be able to vertically vibrate; a first magnetic body (130) which is disposed in the space and is vertically opposite to the diaphragm (120); a second magnetic body (140) adjacently disposed along the lateral circumference of the first magnetic body (130) so that an upwardly open gap (141) is formed between the first magnetic body (130) and the second magnetic body (140); a bobbin (150) having an upper end circumference placed on the bottom surface of the diaphragm (120), and a lower end which has a voice coil (151) wound thereon and is inserted in the gap (141), so as to vertically vibrate the diaphragm (120) according to an electric signal applied to the voice coil (151); a supporter part (160) spaced apart from the second magnetic body (140) along the lateral circumference thereof and having an upper end circumference fixed to the bottom surface of the diaphragm (120); and a damper (170) connected between the frame part (110) and the supporter part (160) in the space, and configured to guide the vertical vibration of the diaphragm (120).
Inventors:
JUN YOUNG JOON (KR)
GWAK IL HWAN (KR)
GWAK IL HWAN (KR)
Application Number:
PCT/KR2018/004124
Publication Date:
October 03, 2019
Filing Date:
April 09, 2018
Export Citation:
Assignee:
EMSONIC CO LTD (KR)
International Classes:
H04R7/26; H04R9/02; H04R9/04
Foreign References:
| KR20050036780A | 2005-04-20 | |||
| JP2005269330A | 2005-09-29 | |||
| KR20110022203A | 2011-03-07 | |||
| KR101024364B1 | 2011-03-25 | |||
| KR20110041308A | 2011-04-21 |
Attorney, Agent or Firm:
KIM, Young Dae (KR)
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