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:
Apr. 26, 2005

Filed:

May. 20, 2002
Applicants:

Masatoshi Nishina, Saitama-ken, JP;

Hideki Machino, Saitama-ken, JP;

Inventors:

Masatoshi Nishina, Saitama-ken, JP;

Hideki Machino, Saitama-ken, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F015/00 ; G06F017/40 ;
U.S. Cl.
CPC ...
Abstract

A data storage apparatus includes a sampling device for sampling data in a predetermined cycle, and a storage device for storing a plurality of items of the data sampled by said sampling device. The data storage apparatus also includes an updating device for updating the plurality of items of the data stored in said storage device to respective ones of the plurality of items of the data, which were sampled at later times than the plurality of items of the data were stored, in respective predetermined updating cycles which are shorter than the updating cycles of the plurality of items of the data which were sampled at respective earlier times.


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