Title:
拡声通話装置
Document Type and Number:
Japanese Patent JP4483761
Kind Code:
B2
Inventors:
Keiichi Yoshida
Hiroaki Takeyama
Minoru Fukushima
Kyomen
Hiroaki Takeyama
Minoru Fukushima
Kyomen
Application Number:
JP2005300514A
Publication Date:
June 16, 2010
Filing Date:
October 14, 2005
Export Citation:
Assignee:
Panasonic Electric Works Co., Ltd.
International Classes:
H04B3/20; H04B3/23; H04M9/08; H04R3/02; H04M1/60
Domestic Patent References:
| JP2005156886A | ||||
| JP2004274250A | ||||
| JP10243082A | ||||
| JP63043451A | ||||
| JP2002204175A | ||||
| JP2000244670A |
Attorney, Agent or Firm:
Keisei Nishikawa
Atsuo Mori
Atsuo Mori