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:
Nov. 14, 2006
Filed:
Apr. 22, 2003
Applicant:
Yasuyuki Miyaoka, Kanagawa, JP;
Inventor:
Yasuyuki Miyaoka, Kanagawa, JP;
Assignee:
Canon Kabushiki Kaishi, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 11/21 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a magneto-optical recording method capable of securing a sufficient phase margin, even if a recording power or medium temperature fluctuates, and obtaining a reproduction signal having a preferable quality, wherein the time phases of a laser pulse and a modulation magnetic field are set to a time phase of maximizing in which a recording power margin.