Title:
集合住宅インターホンシステム
Document Type and Number:
Japanese Patent JP4819632
Kind Code:
B2
Inventors:
Ryo Nagaino
Kito Eiji
Kenichi Ogawa
Kito Eiji
Kenichi Ogawa
Application Number:
JP2006259447A
Publication Date:
November 24, 2011
Filing Date:
September 25, 2006
Export Citation:
Assignee:
Aiphone Co., Ltd.
International Classes:
H04M9/00; G08B25/00; G08B25/04; H04N7/18
Domestic Patent References:
| JP2003097110A | ||||
| JP11331830A | ||||
| JP2000054702A |
Attorney, Agent or Firm:
Yoshiki Ishida