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 9104397 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 11, 2015

Filed:

Oct. 11, 2012
Applicant:

Hitachi, Ltd., Chiyoda-ku, Tokyo, JP;

Inventors:

Yuki Kuroda, Musashino, JP;

Masashi Takada, Kokubunji, JP;

Yasuyuki Kudo, Tokyo, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/07 (2006.01); G06F 1/30 (2006.01); G06F 1/26 (2006.01); G06F 11/14 (2006.01);
U.S. Cl.
CPC ...
G06F 1/30 (2013.01); G06F 1/263 (2013.01); G06F 11/1441 (2013.01);
Abstract

It is provided a computer comprising a nonvolatile memory for storing data, a control processor for controlling the saving of data into the nonvolatile memory, and a battery for supplying power to the computer in case of a failure of an external power supply, wherein the control processor checks a charge amount stored in the battery, calculates an amount of data which can be saved in the nonvolatile memory by the battery in case of a failure of the external power supply based on the checked charge amount, and saves data excluding the amount of data that can be saved, out of data which should be saved into the nonvolatile memory, into the nonvolatile memory in advance.


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