Title:
【発明の名称】宅内端末間における内線通信方式およびその付加装置
Document Type and Number:
Japanese Patent JP2885921
Kind Code:
B2
Inventors:
KUROSAKI TOMOYUKI
FURUSAWA AKIRA
URATA HARUSHIGE
TAKAHASHI MASAAKI
FURUSAWA AKIRA
URATA HARUSHIGE
TAKAHASHI MASAAKI
Application Number:
JP25432590A
Publication Date:
April 26, 1999
Filing Date:
September 26, 1990
Export Citation:
Assignee:
OKI DENKI KOGYO KK
International Classes:
H04Q5/00; H04M11/00; (IPC1-7): H04M11/00
Domestic Patent References:
JP6481596A | ||||
JP1309495A | ||||
JP279698A | ||||
JP286391A | ||||
JP2174495A |
Other References:
【文献】秋山稔 他,「ISDN絵とき読本」,オーム社,p.110
Attorney, Agent or Firm:
Takao Katori