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. 09, 1989
Filed:
Apr. 07, 1987
Applicant:
Inventors:
Masaaki Sakaguchi, Kanagawa, JP;
Seiji Kiuchi, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65H / ; G11B / ;
U.S. Cl.
CPC ...
242 / ; 242 76 ; 226 93 ;
Abstract
A tape winding apparatus for a magnetic tape in which a permanent magnet apples a magnet field to the magnetic tape as it is being wound on a take-up reel. The permanent magnet is of the rare earth type being made of such materials as Sm-Co or Nd-Fe-B of annular form, small in size, coaxial to the wound tape and adjacent to the side thereof, and of high field intensity.