Title:
IP電話機給電方式変換アダプタ及びIP電話機
Document Type and Number:
Japanese Patent JP4362413
Kind Code:
B2
Inventors:
Atsushi Fujii
Application Number:
JP2004138003A
Publication Date:
November 11, 2009
Filing Date:
May 07, 2004
Export Citation:
Assignee:
nec Engineering Co., Ltd.
International Classes:
H04M1/00; H04M19/08; H04M11/00
Domestic Patent References:
| JP2002252731A | ||||
| JP2004194123A | ||||
| JP2001119732A | ||||
| JP200069206A |
Attorney, Agent or Firm:
Jun Nakai