Title:
ハードウエア制御による運用系切り替え方式
Document Type and Number:
Japanese Patent JP3576980
Kind Code:
B2
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Inventors:
Kiyohiko Chiba
Application Number:
JP2001016311A
Publication Date:
October 13, 2004
Filing Date:
January 24, 2001
Export Citation:
Assignee:
NEC Communication Systems, Ltd.
International Classes:
H04B1/74; H04L1/22; (IPC1-7): H04B1/74; H04L1/22
Domestic Patent References:
| JP10243055A | ||||
| JP11234174A | ||||
| JP11112388A | ||||
| JP6252901A |
Attorney, Agent or Firm:
Masahiko Desk
Kawai Nobuaki
Yasuhisa Tanizawa
Kawai Nobuaki
Yasuhisa Tanizawa