Title:
【発明の名称】電話データ通信システム
Document Type and Number:
Japanese Patent JP2677858
Kind Code:
B2
Inventors:
Toshiho Muta
Ishiguro Ginya
Kazuaki Komori
Ishiguro Ginya
Kazuaki Komori
Application Number:
JP5797589A
Publication Date:
November 17, 1997
Filing Date:
March 13, 1989
Export Citation:
Assignee:
Nippon Telegraph and Telephone Corporation
International Classes:
H04M3/42; H04M15/00; H04M17/00; (IPC1-7): H04M3/42; H04M3/42
Domestic Patent References:
| JP6378649A | ||||
| JP54139311A |
Attorney, Agent or Firm:
Hidekazu Miyoshi (1 outside)