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Title:
フラッシュメモリを備えた情報機器
Document Type and Number:
Japanese Patent JP4086083
Kind Code:
B2
Abstract:

To achieve hardware configuration and a method for handling of data for compensating for the limited number of eliminations which is a disadvantage of a flash memory for materializing an auxiliary storage device by using the flash memory.

The inside of the flash memory 1 is divided into sectors which are writing and elimination units of file data, the files written in each sector are numbered, tables 5, 6 are provided for managing the files and writes the files in other sector as a new piece of data even in rewriting the already written file. Then, old data are eliminated and managed on the tables 5, 6 as newly writable area.

COPYRIGHT: (C)2007,JPO&INPIT


Inventors:
Kunihiro Katayama
Takashi Tsunehiro
Kenichi Persimmon
Takeshi Wada
Takeshi Furuno
Takashi Totsuka
Application Number:
JP2007041673A
Publication Date:
May 14, 2008
Filing Date:
February 22, 2007
Export Citation:
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Assignee:
株式会社日立製作所
International Classes:
G06F12/00; G06F12/16; G11C16/02
Domestic Patent References:
JP5027924A
JP1298420A
JP3091033A
JP62283496A
JP63098889A
JP2292798A
JP2311935A
Attorney, Agent or Firm:
Manabu Inoue