Title:
【発明の名称】回線切換装置
Document Type and Number:
Japanese Patent JP2826105
Kind Code:
B2
Inventors:
MORIIZUMI KAZUHIRO
Application Number:
JP18368387A
Publication Date:
November 18, 1998
Filing Date:
July 24, 1987
Export Citation:
Assignee:
RIKOO KK
International Classes:
H04N1/00; H04M11/00; H04N1/32; (IPC1-7): H04M11/00; H04N1/32
Domestic Patent References:
| JP5925466A | ||||
| JP60259059A | ||||
| JP60120648A | ||||
| JP6235758A | ||||
| JP6239950A | ||||
| JP52139302A | ||||
| JP61121560A |
Attorney, Agent or Firm:
Monda Makoto