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Title:
Intercom device
Document Type and Number:
Japanese Patent JP6305299
Kind Code:
B2
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Inventors:
Kazumi Kitagawa
Application Number:
JP2014198776A
Publication Date:
April 04, 2018
Filing Date:
September 29, 2014
Export Citation:
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Assignee:
Aiphone Co., Ltd.
International Classes:
H04M9/00; H04N7/18
Domestic Patent References:
JP2009239707A
JP2002344948A
JP2008311966A
JP201248382A
JP2001218189A
Attorney, Agent or Firm:
Kyoichi Ueda



 
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