Title:
CONTROLLING SYSTEM OF TELEPHONE CONNECTION
Document Type and Number:
Japanese Patent JPS51147203
Kind Code:
A
Abstract:
PURPOSE: A controlling system of connection at a terminal station of an administrative radiotelephony system and the like for prevention of disaster, which is intended for multipurpose use of connection wires.
Inventors:
SATOU MUNEO
OKUTSU YUUJI
OKUTSU YUUJI
Application Number:
JP7096475A
Publication Date:
December 17, 1976
Filing Date:
June 13, 1975
Export Citation:
Assignee:
HITACHI ELECTRONICS
International Classes:
H04M11/04; H04M1/00; H04M1/72; H04Q5/00; (IPC1-7): H04M11/00
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