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:
Dec. 23, 1997
Filed:
Jul. 31, 1995
Applicant:
Inventor:
Masato Sakui, Nagaokakyo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360128 ; 360 69 ;
Abstract
A magnetic recording-reproducing apparatus is disclosed, in which a control unit operates a cleaning mechanism at a pre-set time or pre-set time intervals, a rotary head cleaning apparatus can clean the head even during a long-time recording or reproducing operation, and another control unit detects an output level by recording and reproducing an object signal after cleaning, thereby confirming the head cleaning condition.
Sakui, Masato. (1997). Rotary head cleaning apparatus and method of controlling same (U.S. Patent No. 5701224). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5701224
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