Title:
CABINET, SPEAKER DEVICE CONSTITUENT MEMBER AND PROCESS FOR PRODUCING THEM
Document Type and Number:
WIPO Patent Application WO/2006/093154
Kind Code:
A1
Abstract:
A cabinet, speaker device constituent member, etc. having properties inclusive of high elasticity, lightweight, high internal loss, moisture resistance, etc. The speaker device constituent member comprises a magnesium material and, superimposed on the surface thereof, an aluminum material. According to necessity, the surface thereof is provided with coating film(s) through coating, plating, sputtering, etc. Alternatively, the speaker device constituent member comprises a magnesium material, an aluminum material superimposed on the surface thereof and an anodic oxide coating (e.g., Al2O3 film) superimposed on the surface thereof.
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Inventors:
MITOBE KUNIO (JP)
TAKAHASHI NOBUAKI (JP)
KAMADO SHIGEHARU (JP)
YOSHIDA YU (JP)
TAKAHASHI HIROAKI (JP)
TAKAHASHI NOBUAKI (JP)
KAMADO SHIGEHARU (JP)
YOSHIDA YU (JP)
TAKAHASHI HIROAKI (JP)
Application Number:
PCT/JP2006/303763
Publication Date:
September 08, 2006
Filing Date:
February 28, 2006
Export Citation:
Assignee:
PIONEER CORP (JP)
PIONEER TOHOKU CORP (JP)
UNIV NAGAOKA TECHNOLOGY (JP)
MITOBE KUNIO (JP)
TAKAHASHI NOBUAKI (JP)
KAMADO SHIGEHARU (JP)
YOSHIDA YU (JP)
TAKAHASHI HIROAKI (JP)
PIONEER TOHOKU CORP (JP)
UNIV NAGAOKA TECHNOLOGY (JP)
MITOBE KUNIO (JP)
TAKAHASHI NOBUAKI (JP)
KAMADO SHIGEHARU (JP)
YOSHIDA YU (JP)
TAKAHASHI HIROAKI (JP)
International Classes:
H04R1/02; B21B1/22; B21B3/00; C25D11/04; H04R7/02; H04R31/00
Foreign References:
| JPS6213245A | 1987-01-22 | |||
| JPS6184998A | 1986-04-30 | |||
| JPS56120295A | 1981-09-21 | |||
| JPS57164696A | 1982-10-09 |
Attorney, Agent or Firm:
Nakamura, Toshinobu c/o Tokyo, Central Patent Firm (4th Floor Oak Building Kyobashi, 16-10,
Kyobashi 1-chome, Chuou-k, Tokyo 31, JP)
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