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Patent Searching and Data


Title:
RESTART PROCESSING SYSTEM
Document Type and Number:
Japanese Patent JPS5994958
Kind Code:
A
Abstract:

PURPOSE: To attain economy by using a magnetic tape device as an external storage device to unify the external storage device.

CONSTITUTION: Sub-channels 20a, 20b are connected to duplicated central controllers 10a, 10b and cartridge magnetic tape devices 60a, 60b and typewriters 80a, 80b are connected. The central controllers 10a, 10b include detecting circuits 90a, 90b detecting a system failure impossible for program control and are connected with an emergency control circuit 30. Programs with the less number of times of usage are stored in the cartridge magnetic tape devices 60a(60b), and backup files are stored in the device 60a or 60b to unify the external storage device.


Inventors:
YAMAGUCHI KENJI
DOI AKIHIKO
Application Number:
JP20286882A
Publication Date:
May 31, 1984
Filing Date:
November 20, 1982
Export Citation:
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Assignee:
NIPPON ELECTRIC CO
International Classes:
H04M3/22; G06F9/445; G06F11/14; H04M3/24; H04Q1/20; (IPC1-7): G06F11/14; H04M3/22; H04Q1/20
Attorney, Agent or Firm:
Uchihara Shin (1 person outside)