The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7672980 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 02, 2010

Filed:

Jan. 26, 2006
Applicant:

Yoshitake Sano, Machida, JP;

Inventor:

Yoshitake Sano, Machida, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 17/30 (2006.01);
U.S. Cl.
CPC ...
Abstract

A data read apparatus which, when reading data in a data region sequentially, consults information pieces indicative of positions of information pieces concerning files to identify a position of an information piece concerning a file corresponding to a data piece at a reading position, consults an information piece concerning the file at the identified position to calculate an output position in a temporary memory region to which the data is to be outputted, delivers the data read out of an area in the data region to the output position, decides whether files corresponding to outputted data are all present in the temporary memory region and delivers the files to a backup region in a unit of file when the presence of all files is determined.


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