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:
Oct. 18, 2011

Filed:

Jun. 14, 2007
Applicants:

Takeshi Maeda, Kokubunji, JP;

Hirofumi Sukeda, Tokorozawa, JP;

Hiroyuki Minemura, Kokubunji, JP;

Hidehiko Kando, Matsudo, JP;

Makoto Miyamoto, Ome, JP;

Inventors:

Takeshi Maeda, Kokubunji, JP;

Hirofumi Sukeda, Tokorozawa, JP;

Hiroyuki Minemura, Kokubunji, JP;

Hidehiko Kando, Matsudo, JP;

Makoto Miyamoto, Ome, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 7/45 (2006.01);
U.S. Cl.
CPC ...
Abstract

An information recording method using a recording medium includes forming a plurality of recording pulses in accordance with both a reference waveform having been stored in the recording medium and data regarding a shifting value relying on material of the recording medium also having been stored in the recording medium in a table manner, and recording information included in the plurality of recording pulses to the recording medium. The recording information is arranged to be stored according to the material of the recording medium.


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