Title:
【発明の名称】双方向CATV中継装置
Document Type and Number:
Japanese Patent JP2600973
Kind Code:
B2
Inventors:
Yasushi Hamada
Application Number:
JP12213890A
Publication Date:
April 16, 1997
Filing Date:
May 11, 1990
Export Citation:
Assignee:
NEC
International Classes:
H04B3/36; H04B10/00; H04B10/291; H04N5/00; H04N7/16; H04N7/22; (IPC1-7): H04N7/22; H04N7/16
Domestic Patent References:
| JP22796A | ||||
| JP1152886A |
Attorney, Agent or Firm:
Naoki Kyomoto (2 outside)