| US 7,502,486 B2 | ||
| Plane speaker having coil plate guide device | ||
| Joung-Youl Shin, Samsung Remian Apt. 103-1804, 414, Naeson-Dong, Uiwang 437-804 (Korea, Republic of); and Byung-Wan Han, 401, Wooran Billa, 1478-4 Seocho3-Dong, Seocho-Gu, Seoul 137-868 (Korea, Republic of) | ||
| Appl. No. 10/596,213 PCT Filed Dec. 02, 2004, PCT No. PCT/KR2004/003156 § 371(c)(1), (2), (4) Date Jun. 02, 2006, PCT Pub. No. WO2005/055648, PCT Pub. Date Jun. 16, 2005. |
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| Claims priority of application No. 10-2003-0088157 (KR), filed on Dec. 05, 2003. | ||
| Prior Publication US 2007/0076915 A1, Apr. 05, 2007 | ||
| Int. Cl. H04R 25/00 (2006.01) | ||
| U.S. Cl. 381—396 [381/408; 381/431] | 9 Claims |
| 1. A plate type speaker, comprising:
a base frame;
at least one magnetic body coupled to the base frame such that opposite polarities are provided at adjacent lateral positions
and are spaced apart by a predetermined distance from each other;
a diaphragm;
at least one coil plate formed with a voice coil wound on either or both of sides thereof, said coil plate being inserted
vertically into spaces between the opposite polarities of the magnetic body and connected to the diaphragm; and
a coil plate guide means coupled to the coil plate for guiding the position and vibration direction of the coil plate such
that the coil plate is spaced from the magnetic bodies and vibrates vertically,
wherein the base frame has at least one opening formed in at least a portion of a bottom surface thereof corresponding to
a lower end of the coil plate so that the lower end of the coil plate passes through the bottom surface of the base frame,
and
the coil plate guide means comprises a fixing member formed to be flexible and coupled to the lower end of the coil plate
and to the bottom surface of the base frame,
wherein the fixing member is formed with through-holes.
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