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. 18, 2021
Filed:
Nov. 09, 2018
Applicant:
Sony Corporation, Tokyo, JP;
Inventor:
Tetsuo Endo, Miyagi, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 23/50 (2006.01); G11B 20/12 (2006.01); G11B 5/008 (2006.01); G11B 15/60 (2006.01); B24B 9/00 (2006.01); G11B 5/02 (2006.01); G11B 5/584 (2006.01);
U.S. Cl.
CPC ...
G11B 23/502 (2013.01); B24B 9/002 (2013.01); G11B 15/60 (2013.01); G11B 20/1205 (2013.01); G11B 5/00817 (2013.01); G11B 5/02 (2013.01); G11B 5/584 (2013.01);
Abstract
A servo writer includes a writing head that writes a servo signal on a long magnetic tape that is traveling, a guide roller that is provided on an upstream side of a travel path with respect to the writing head and guides the traveling magnetic tape, and a polishing unit that is provided on an upstream side of the travel path with respect to the guide roller and polishes at least one edge of the traveling magnetic tape, in which the guide roller includes a flange that regulates the travel of the magnetic tape.