Title:
DIAPHRAGM FOR SOUND CONVERTER AND SOUND CONVERTER INCLUDING THE SAME
Document Type and Number:
WIPO Patent Application WO/2010/044623
Kind Code:
A2
Abstract:
The present invention discloses a diaphragm for a sound converter including a first diaphragm having a central portion which is a plane surface and a side dome formed around the central portion, and a second diaphragm formed at the central portion of the first diaphragm. The sound converter maximizes the volume of a magnet mounted therein, and thus improves a sound pressure of low frequency bands. In addition, the sound converter allows a lead wire of a coil portion to be pulled out without interfering with other elements, and thus stably transmits electrical signals without damaging the lead wire or the other elements.
Inventors:
JEONG SEUNG-KIU (KR)
KIM CHEON-MYEONG (KR)
KIM JI-HOON (KR)
SEOL KYUNG-CHEOL (KR)
KIM JEONG-HWA (KR)
JEE YONG-JU (KR)
SONG BONG-JU (KR)
KIM CHEON-MYEONG (KR)
KIM JI-HOON (KR)
SEOL KYUNG-CHEOL (KR)
KIM JEONG-HWA (KR)
JEE YONG-JU (KR)
SONG BONG-JU (KR)
Application Number:
PCT/KR2009/005941
Publication Date:
April 22, 2010
Filing Date:
October 15, 2009
Export Citation:
Assignee:
EM TECH CO LTD (KR)
JEONG SEUNG-KIU (KR)
KIM CHEON-MYEONG (KR)
KIM JI-HOON (KR)
SEOL KYUNG-CHEOL (KR)
KIM JEONG-HWA (KR)
JEE YONG-JU (KR)
SONG BONG-JU (KR)
JEONG SEUNG-KIU (KR)
KIM CHEON-MYEONG (KR)
KIM JI-HOON (KR)
SEOL KYUNG-CHEOL (KR)
KIM JEONG-HWA (KR)
JEE YONG-JU (KR)
SONG BONG-JU (KR)
International Classes:
H04R7/00; H04R31/00
Domestic Patent References:
| WO2008030026A1 | 2008-03-13 |
Foreign References:
| JP2009017524A | 2009-01-22 | |||
| DE4329637A1 | 1995-03-09 |
Attorney, Agent or Firm:
KIM, SUN-JOON (KR)
김선준 (KR)
김선준 (KR)
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