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:
Feb. 20, 1990
Filed:
Dec. 21, 1987
Applicant:
Inventors:
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
360 7712 ; 360 75 ; 360 76 ;
Abstract
The preferred embodiment of the present inventioin hereby offers a unique and extremely useful multi-track magnetic recording and reproducing apparatus including: a data feed-out device comprised of one or two units of data-reproducing head(s) dealing with some of a plurality of data-recording heads; a control circuit controlling the tracking operations of the data-reproducing heads in response to the output of these reproducing heads; and an azimuth control circuit controlling the deviation time of synchronizing signals in response to the outputs of these reproducing heads.