Title:
インターホンシステム
Document Type and Number:
Japanese Patent JP6602686
Kind Code:
B2
Inventors:
Minoru Ota
Application Number:
JP2016028940A
Publication Date:
November 06, 2019
Filing Date:
February 18, 2016
Export Citation:
Assignee:
Aiphone Co., Ltd.
International Classes:
H04M9/00; H04N7/18
Domestic Patent References:
| JP2006352515A | ||||
| JP2007150452A | ||||
| JP2004120236A |
Foreign References:
| WO2010035524A1 |
Attorney, Agent or Firm:
Shinei Patent Office