DATA PROTECTION SYSTEM AGAINST CUT-OFF OF POWER SUPPLY

PURPOSE:To prevent a case where a file system is broken and has a down by assuring the record under a writing mode despite the sudden cut-off of the power supply. CONSTITUTION:The record kept in a writing mode into a storage is protected when the power supply is cut-off. A computer system consists o...

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Bibliographic Details
Main Authors MASUBUCHI SHINICHI, UEYAMA MIKIO, OOMARU TOMONORI
Format Patent
LanguageEnglish
Published 24.11.1992
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:PURPOSE:To prevent a case where a file system is broken and has a down by assuring the record under a writing mode despite the sudden cut-off of the power supply. CONSTITUTION:The record kept in a writing mode into a storage is protected when the power supply is cut-off. A computer system consists of a microcomputer 3, a low voltage detecting/holding circuit 2, and the program memories 4 and 5. When the low voltage is detected, the interruption processing is carried out. Thus the record under a writing mode, the data and a file system can be protected.
Bibliography:Application Number: JP19910107940