Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
BRANCH TWO-WAY COMMUNICATION
Document Type and Number:
Japanese Patent JPS52146508
Kind Code:
A
Abstract:

PURPOSE: To realize the economical communication which can provide the capability of calling and talking between the branch-connected telephone set.


Inventors:
KONYA TAKEO
Application Number:
JP6327476A
Publication Date:
December 06, 1977
Filing Date:
May 31, 1976
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NIPPON ELECTRIC CO
International Classes:
H04Q5/00; H04Q5/24; (IPC1-7): H04Q5/00