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:
Feb. 04, 2003
Filed:
Jun. 07, 2001
Applicant:
Inventors:
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 5/31 ;
U.S. Cl.
CPC ...
G11B 5/31 ;
Abstract
A magneto-resistive effect type magnetic head ( ) has a head width Wh greater than the track width Wt of a magnetic tape ( ), as measured in the width direction of the tape ( ). The head ( ) has a magneto-resistive effect element, which has a magnetism-detecting section arranged at the prescribed azimuth angle. A signal reproduced from the magnetic tape as the head ( ) is moved while off-tracked in the widthwise direction Wh of the recording track T . The signal has a specific characteristic that falls within a predetermined range for a reference value, provided that it has been generated from the magnetism the head ( ) has detected over its effective width We.