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:
Sep. 27, 2022

Filed:

Aug. 24, 2021
Applicant:

Fujifilm Corporation, Tokyo, JP;

Inventor:

Michitaka Kondo, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 20/10 (2006.01); G11B 20/12 (2006.01); G11B 5/008 (2006.01);
U.S. Cl.
CPC ...
G11B 20/1201 (2013.01); G11B 5/00813 (2013.01); G11B 2020/1278 (2013.01);
Abstract

A derivation device is a device that derives a reading path by a reading element in a case where plural pieces of data to be read are read from a recording medium, and includes a first derivation unit that derives a value representing a recording density of the data for each of plural areas in which the plural pieces of the data to be read are recorded, and a second derivation unit that derives a path for sequentially reading the data as the reading path for an area in which the value representing the recording density is equal to or larger than a predetermined threshold value and derives the reading path according to a predetermined path determination method for an area in which the value representing the recording density is less than the threshold value.


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