Title:
EFFICIENCY COMPUTING SYSTEM
Document Type and Number:
Japanese Patent JPS52131407
Kind Code:
A
Abstract:
PURPOSE: To compute the working efficiency using wire lock for the trunk line equipment, etc. of the telephone exchange system, and thus to realize high-speed information extranction with high dependability.
Inventors:
CHIBA MASAYASU
NAKAZAWA MASANORI
SUZUKI YUTAKA
HASHIMOTO MASASHI
IKEDA FUMIO
NAKAZAWA MASANORI
SUZUKI YUTAKA
HASHIMOTO MASASHI
IKEDA FUMIO
Application Number:
JP4909976A
Publication Date:
November 04, 1977
Filing Date:
April 27, 1976
Export Citation:
Assignee:
NIPPON ELECTRIC CO
NIPPON TELEGRAPH & TELEPHONE
OKI ELECTRIC IND CO LTD
HITACHI LTD
FUJITSU LTD
NIPPON TELEGRAPH & TELEPHONE
OKI ELECTRIC IND CO LTD
HITACHI LTD
FUJITSU LTD
International Classes:
H04M3/36; (IPC1-7): H04M3/36
Domestic Patent References:
| JPS52117504A | 1977-10-03 |