Title:
【発明の名称】現用ー予備回線切替方法
Document Type and Number:
Japanese Patent JP2567707
Kind Code:
B2
Inventors:
OIDE KENICHI
Application Number:
JP22783889A
Publication Date:
December 25, 1996
Filing Date:
September 01, 1989
Export Citation:
Assignee:
FUJITSU LTD
International Classes:
H04L1/22; H04B1/74; H04J3/14; (IPC1-7): H04L1/22; H04B1/74; H04J3/14
Attorney, Agent or Firm:
Koshiro Matsuoka