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.

Date of Patent:
Mar. 10, 2015

Filed:

Feb. 01, 2012
Applicant:

Akihiro Murata, Tokyo, JP;

Inventor:

Akihiro Murata, Tokyo, JP;

Assignee:

NEC Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 9/06 (2006.01); G06F 11/20 (2006.01);
U.S. Cl.
CPC ...
G06F 11/2028 (2013.01); G06F 11/2023 (2013.01); G06F 11/2038 (2013.01); G06F 11/2048 (2013.01);
Abstract

A standby system calculator communicates with a currently-used system calculator for retaining data about a service, providing the service by using the data, and updating the data along with provision of the service. The standby system calculator includes a retainer that retains a copy of the data and a provider that provides the service by using the copy of the data while restricting an updating operation for updating the copy of the data in the retainer when a predetermined signal that indicates that the currently-used system calculator is operating and that has been transmitted from the currently-used system calculator to the standby system calculator, cannot be received for a predetermined period of time.


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