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:
Mar. 26, 1996
Filed:
Mar. 17, 1994
Applicant:
Inventors:
Ricardo M Okamoto, Tokyo, JP;
Kouichi Matsumoto, Tokyo, JP;
Isao Kotani, Tokyo, JP;
Satoshi Kuroda, Tokyo, JP;
Hiroyuki Ishikawa, Tokyo, JP;
Kenji Fukui, Tokyo, JP;
Assignee:
Nippon Steel Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
369 13 ; 360114 ;
Abstract
A magnetic recording system having a magnetic head and a magnetic-field generating device including a compensation circuit for supplying a current generating a magnetic field to cancel a leakage magnetic field applied to the magnetic recording medium, the leakage field arising from at least one of an actuator magnetically driven to drive the magnetic head and an actuator magnetically driven to focus and track a laser beam on the magneto-optical disk.