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:
Apr. 03, 1990
Filed:
Jun. 30, 1988
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A magnetic recording apparatus capable of efficiently erasing data in accordance with a type of magnetic recording medium, comprises a current source, an erase head for erasing data recorded on a recording medium using a supplied erase current, and a current supplying section for supplying an erase current from the current source to the erase head in accordance with input erase current control data. The current supplying section comprises a selecting section for selecting a combination of a plurality of control elements in accordance with the input erase current control data, and a supplying section for supplying an erase current determined in accordance with the selected combination from the current source to the erase head.