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. 11, 1990
Filed:
Jan. 22, 1990
Applicant:
Inventors:
Mutsumi Aruga, Nagano, JP;
Niro Nakamichi, Tokyo, JP;
Assignees:
Kabushiki Kaisha Sankyo Seiki Seisakusho, Nagano, JP;
Nakamichi Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360 75 ; 360 7712 ;
Abstract
A tape edge detecting device in which a head unit comprising a writing head and two reading heads, arranged in the widthwise direction of a magnetic tape are provided so that they are movable in the widthwise direction of the magnetic tape in order to detect signals recorded on the magnetic tape, and which also includes a comparison means for comparing the outputs of the reading heads. The edge of the magnetic tape is detected using the output of the comparison means.