Title:
公衆電話機および通話通信システム
Document Type and Number:
Japanese Patent JP6626409
Kind Code:
B2
Inventors:
Tomohiro Kawai
Yasuhiro Seki
Moriya Hiroshi
Takahiko Shinoda
Yasuhiro Seki
Moriya Hiroshi
Takahiko Shinoda
Application Number:
JP2016111030A
Publication Date:
December 25, 2019
Filing Date:
June 02, 2016
Export Citation:
Assignee:
Nippon Telegraph and Telephone Corporation
International Classes:
H04M17/00; H04M1/00; H04W4/029
Domestic Patent References:
| JP2003274055A | ||||
| JP7143232A | ||||
| JP2000101756A | ||||
| JP2001298483A | ||||
| JP2002125072A | ||||
| JP2001211114A | ||||
| JP8079832A |
Attorney, Agent or Firm:
Hidekazu Miyoshi
Rie Kudo
Rie Kudo