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 10877989 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 29, 2020

Filed:

Mar. 17, 2016
Applicant:

Hitachi, Ltd., Tokyo, JP;

Inventors:

Fumiya Kudo, Tokyo, JP;

Tomoaki Akitomi, Tokyo, JP;

Susumu Serita, Tokyo, JP;

Yu Kitano, Tokyo, JP;

Assignee:

HITACHI, LTD., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 7/00 (2006.01); G06F 17/00 (2019.01); G06F 16/25 (2019.01); G06F 16/22 (2019.01); G06F 16/28 (2019.01); G06F 16/23 (2019.01);
U.S. Cl.
CPC ...
G06F 16/258 (2019.01); G06F 16/221 (2019.01); G06F 16/2358 (2019.01); G06F 16/254 (2019.01); G06F 16/285 (2019.01);
Abstract

This data conversion system is characterized by including: a storage unit that stores a column including a plurality of data elements; a range specification module that specifies the range of each of the data elements of the column; an information amount evaluation module that calculates the information amount of the data element within the specified range of the column; and a change point detection module that detects a point at which a change in the information amount according to a change in the specified range satisfies a predetermined condition.


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