| US 7,548,627 B2 | ||
| Speaker, and module, electronic apparatus, and device that use the speaker | ||
| Tomoyasu Takase, Mie (Japan); Masanori Nakano, Mie (Japan); Masahide Sumiyama, Mie (Japan); Hiroshi Yano, Mie (Japan); Kazutaka Kubo, Mie (Japan); Koji Sano, Mie (Japan); Takanori Fukuyama, Mie (Japan); Shigeru Tomoeda, Mie (Japan); Kazuki Honda, Mie (Japan); Toshiyuki Koike, Mie (Japan); Masashi Kawabe, Mie (Japan); and Takeshi Shimokawatoko, Mie (Japan) | ||
| Assigned to Panasonic Corporation, Osaka (Japan) | ||
| Appl. No. 10/591,984 PCT Filed Feb. 01, 2005, PCT No. PCT/JP2005/001735 § 371(c)(1), (2), (4) Date Sep. 07, 2006, PCT Pub. No. WO2005/089012, PCT Pub. Date Sep. 22, 2005. |
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| Claims priority of application No. 2004-068571 (JP), filed on Mar. 11, 2004; and application No. 2004-197562 (JP), filed on Jul. 05, 2004. | ||
| Prior Publication US 2007/0147649 A1, Jun. 28, 2007 | ||
| Int. Cl. H04R 25/00 (2006.01) | ||
| U.S. Cl. 381—189 [381/386] | 9 Claims |
| 1. A loud speaker comprising:
a frame bonded to a magnetic circuit;
a diaphragm bonded to an outer periphery of the frame;
a voice coil that is bonded to the diaphragm and is partly disposed in a magnetic gap of the magnetic circuit; and
a protector bonded to the frame so as to cover the diaphragm,
wherein a net made of material containing at least metal is bonded to the protector, and
wherein the net is bonded to the magnetic circuit.
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