Title:
【発明の名称】電話交換システム
Document Type and Number:
Japanese Patent JPH0666835
Kind Code:
B2
Inventors:
Yutaka Nakano
Satoru Misono
Previous research
Satoru Misono
Previous research
Application Number:
JP30826889A
Publication Date:
August 24, 1994
Filing Date:
November 28, 1989
Export Citation:
Assignee:
Japan Telecom Co., Ltd.
Miyoshi Electric Co., Ltd.
Miyoshi Electric Co., Ltd.
International Classes:
H04M3/42; H04M1/00; H04M1/27; H04M1/738; H04M15/16; (IPC1-7): H04M3/42
Attorney, Agent or Firm:
Fukami Hisaro (2 outside)