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:
Jul. 14, 1992
Filed:
Jul. 11, 1990
Applicant:
Inventors:
Hiroaki Ono, Katsuta, JP;
Tomomi Okamoto, Katsuta, JP;
Shinji Ozaki, Funabashi, JP;
Tsukasa Ohata, Katsuta, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
360107 ;
Abstract
In a multichannel magnetic head including a plurality of head chips secured at fixed intervals to one head base mounted on a rotating drum. Each head chip is arranged so that a center of the curvature of each head tip is positioned substantially on a straight line or an extension of the straight line connecting each head gap to tis rear gap, and each of the head chips is arranged so that the distance L between a crossing point on said straight line connecting each head gap to its rear gap and the head gap, and the radius D of the rotating drum satisfy the following relationship: ##EQU1##