Title:
接続エラー検知機能を有するインターホン子機
Document Type and Number:
Japanese Patent JP5418297
Kind Code:
B2
Inventors:
Hiroshi Ito
Hirohisa Aoyagi
Hirohisa Aoyagi
Application Number:
JP2010041192A
Publication Date:
February 19, 2014
Filing Date:
February 26, 2010
Export Citation:
Assignee:
Nakayo Communication Equipment Co., Ltd.
International Classes:
H04M9/00; A61G12/00
Domestic Patent References:
| JP2008187643A | ||||
| JP2006271817A | ||||
| JP2007117491A | ||||
| JP2008236338A | ||||
| JP2008099784A |