Title:
LINE TESTING SYSTEM
Document Type and Number:
Japanese Patent JPS5342507
Kind Code:
A
Abstract:
PURPOSE: To enable the fault detection of the subscriber lines and the automation of test, by digitally measuring the echo loss of the subscriber lines.
Inventors:
NAITOU SHIYUNICHI
KOJIMA HIROHITO
TABU TAKASHI
KOJIMA HIROHITO
TABU TAKASHI
Application Number:
JP11702176A
Publication Date:
April 18, 1978
Filing Date:
September 29, 1976
Export Citation:
Assignee:
FUJITSU LTD
International Classes:
H04M3/26; H04M3/30; (IPC1-7): H04M3/30