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. 04, 1989
Filed:
Feb. 03, 1987
Applicant:
Inventors:
Masaaki Sakaguchi, Kanagawa, JP;
Mitsunobu Usui, Kanagawa, JP;
Hiroshi Chikamasa, Kanagawa, JP;
Keisuke Wakatsuki, Kanagawa, JP;
Seiji Kiuchi, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65H / ; H01F / ;
U.S. Cl.
CPC ...
242 / ; 242 76 ; 360 66 ;
Abstract
A magnetic tape winding method and apparatus in which a magnetic field is applied to a magnetic tape during winding on a reel to even up the edges of the wound tape. After winding, the magnetic tape is demagnetized.