Title:
マイクロフォン・スピーカ一体構成型・通話装置
Document Type and Number:
Japanese Patent JP4453294
Kind Code:
B2
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Inventors:
Ryuji Suzuki
Michie Sato
Ryuichi Tanaka
Tokaibayashi
Noboru Hama
Michie Sato
Ryuichi Tanaka
Tokaibayashi
Noboru Hama
Application Number:
JP2003284583A
Publication Date:
April 21, 2010
Filing Date:
July 31, 2003
Export Citation:
Assignee:
ソニー株式会社
International Classes:
H04R3/00; H04M3/56
Domestic Patent References:
| JP8070494A | ||||
| JP7336790A | ||||
| JP4023589A | ||||
| JP1029152A | ||||
| JP1024662A | ||||
| JP2003087890A |
Attorney, Agent or Firm:
Takahisa Sato