Title:
エコー・キャンセラ制御方法と装置。
Document Type and Number:
Japanese Patent JP4442381
Kind Code:
B2
Inventors:
Takahiro Yamazaki
Nagakura Shoko
Nagakura Shoko
Application Number:
JP2004289454A
Publication Date:
March 31, 2010
Filing Date:
October 01, 2004
Export Citation:
Assignee:
Iwasaki Tsushinki Co., Ltd.
International Classes:
H04B3/23; H04M1/60
Domestic Patent References:
| JP64012727A | ||||
| JP60096037A | ||||
| JP6189004A | ||||
| JP6013940A | ||||
| JP6022025A |
Attorney, Agent or Firm:
Kozo Uchida
Masahiro Tanaka
Masahiro Tanaka