Title:
【発明の名称】双方向光通信方式
Document Type and Number:
Japanese Patent JP2954238
Kind Code:
B2
Inventors:
KASHIMA YOSHIO
Application Number:
JP20009089A
Publication Date:
September 27, 1999
Filing Date:
July 31, 1989
Export Citation:
Assignee:
NIPPON DENSHIN DENWA KK
International Classes:
H04B10/29; H04B10/00; H04B10/27; H04B10/272; (IPC1-7): H04B10/20; H04B10/02; H04B10/24
Domestic Patent References:
| JP61203750A | ||||
| JP63148726A | ||||
| JP62222724A |
Attorney, Agent or Firm:
Furuya