Title:
【発明の名称】電話回線制御装置
Document Type and Number:
Japanese Patent JP3065537
Kind Code:
B2
Inventors:
Isao Yoshizawa
Noriyuki Nishida
Noriyuki Nishida
Application Number:
JP21260696A
Publication Date:
July 17, 2000
Filing Date:
August 12, 1996
Export Citation:
Assignee:
Kawatetsu Information System Co., Ltd.
International Classes:
H04M3/50; H04M3/42; H04M3/51; H04Q3/58; (IPC1-7): H04M3/51; H04M3/42
Domestic Patent References:
| JP2117255A | ||||
| JP3145860A | ||||
| JP5292207A | ||||
| JP2500071A |
Attorney, Agent or Firm:
Satoshi Takaya (2 outside)