Title:
METHOD AND DEVICE FOR BACKING-UP POWER SOURCE
Document Type and Number:
Japanese Patent JPH0594242
Kind Code:
A
Abstract:
PURPOSE: To provide the method and device for backing-up a power source so as to deal with the recovery of the power source even when the power source is recovered during a backup processing.
CONSTITUTION: This method and device for backing-up the power source is equipped with a voltage detection circuit 6 to detect the voltage of power supplied from a main power source and a CPU to discriminate the ON/OFF of the main power source with the voltage detection circuit 6 again after ending the backup processing started when this voltage detection circuit 6 detects the OFF of the power source, to set a stop state when the main power source is turned off, and to execute a program for a driving state when the main power source is turned on.
Inventors:
OI SHINICHI
Application Number:
JP25353591A
Publication Date:
April 16, 1993
Filing Date:
October 01, 1991
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
G06F1/26; G06F1/30; H02J9/00; (IPC1-7): G06F1/26; G06F1/30; H02J9/00
Attorney, Agent or Firm:
Hidekazu Miyoshi (4 outside)
Next Patent: PORTABLE INPUT/OUTPUT DEVICE