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.:
Date of Patent:
Jun. 26, 2007
Filed:
Jun. 08, 2005
Naoto Abe, Kanagawa, JP;
Takeshi Nagata, Kanagawa, JP;
Hisashi Osawa, Ehime, JP;
Yoshihiro Okamoto, Ehime, JP;
Naoto Abe, Kanagawa, JP;
Takeshi Nagata, Kanagawa, JP;
Hisashi Osawa, Ehime, JP;
Yoshihiro Okamoto, Ehime, JP;
Fujifilm Corporation, Tokyo, JP;
Abstract
A recording and reproducing apparatus includes: a recording section for recording an information signal in a magnetic recording medium in which a magnetic layer containing hexagonal ferrite is formed; and a reproducing section for reproducing the information signal recorded in the magnetic recording medium, the reproducing section including: a reproducing head for reading the information signal from the magnetic recording medium; and an equalizer for equalizing the information signal read from the magnetic recording medium, wherein in the equalized information signal, coefficients a, b, c, d of PR(1, a, b, c, d) meet conditions that 0.1≦a<2.0, −0.9≦b<−0.0, −2.0<c≦−0.3, and −1.0<d≦−0.1. A corresponding reproducing method, a corresponding reproducing apparatus, and the magnetic recording medium are also disclosed.