Title:
無線通信システム
Document Type and Number:
Japanese Patent JP6634211
Kind Code:
B2
Inventors:
Shinji Wada
Application Number:
JP2015021127A
Publication Date:
January 22, 2020
Filing Date:
February 05, 2015
Export Citation:
Assignee:
Hitachi Kokusai Electric Co., Ltd.
International Classes:
G08B25/04; G08B27/00; H04M11/00; H04Q9/00
Domestic Patent References:
| JP2014115691A | ||||
| JP2005275640A | ||||
| JP2014209694A | ||||
| JP2014209295A |
Foreign References:
| WO2007072594A1 |