Title:
Interphone system
Document Type and Number:
Japanese Patent JP6242242
Kind Code:
B2
Inventors:
Akira Morishige
Application Number:
JP2014037805A
Publication Date:
December 06, 2017
Filing Date:
February 28, 2014
Export Citation:
Assignee:
Aiphone Co., Ltd.
International Classes:
H04M9/02; G08B25/04; G08B29/06
Domestic Patent References:
| JP2013128192A | ||||
| JP11163908A | ||||
| JP2004015200A | ||||
| JP2012151591A | ||||
| JP8084136A | ||||
| JP58103256A | ||||
| JP2011130346A |
Foreign References:
| US20090304059 |
Attorney, Agent or Firm:
Kazuo Moriya
Hiromichi Watanabe
Hiromichi Watanabe