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:
Dec. 07, 1982
Filed:
May. 01, 1980
Applicant:
Inventor:
Naohiro Hanaoka, Hachioji, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
360122 ; 360120 ; 360125 ;
Abstract
A magnetic recording device comprises a winding and magnetic head guiding magnetic flux produced by the winding to a recording medium and magnetically recording information on said medium. The magnetic head includes a chip formed on nonmagnetic material having a narrow distal end face and a ferromagnetic thin membrane held by said chip, having one end exposed from the distal end face of said chip and the other extending on the winding side, and passing magnetic flux from said winding to said one end, whereby information is recorded on said recording medium through said one end.