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:
May. 24, 1983
Filed:
Jul. 10, 1980
Applicant:
Inventor:
Tuneo Yanagida, Hino, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ; G11B / ;
U.S. Cl.
CPC ...
360125 ; 360113 ; 360123 ;
Abstract
A vertical magnetic recording and reproducing head includes a magnetic sensing element for sensing a magnetized pattern recorded in a recording medium which serves as a main magnetic electrode in the reproduction mode, a bias section for biasing the magnetic sensing element, and a main magnetic pole which is disposed adjacent to said magnetic sensing element. The main magnetic pole includes a magnetic member serving as the main magnetic pole for magnetizing the recording medium in the record mode.