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:
Jan. 08, 1980
Filed:
Apr. 17, 1978
Applicant:
Inventor:
Motoyoshi Fujita, Chiba, JP;
Assignee:
TDK Electronics Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
360128 ; 360122 ; 361267 ;
Abstract
An electromagnet for degaussing a magnetic head and which includes a yoke having a gap and one or more coils wound thereon is characterized by the middle portion of the yoke face, at and adjacent to said gap, being wider than the magnetic tape that passes by the magnetic head, and by the side portions of said yoke face, away from said gap, being narrower than the tape.