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.

Date of Patent:
Jul. 15, 1980

Filed:

Oct. 24, 1978
Applicant:
Inventor:

Fumio Sekiguchi, Sagamihara, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G11B / ;
U.S. Cl.
CPC ...
242206 ;
Abstract

Magnetic tape recording and/or reproducing apparatus includes a device for providing a predetermined increase in the length of a loop of tape which extends between the point of contact between a capstan and a pinch roller and the opposite side of the pinch roller. The tape amount increasing device broadly comprises a linkage having first and second positions and to which first and second rollers are mounted at opposite ends thereof. The linkage is further pivoted at one end whereby a loop of tape passes around the first roller mounted at the pivoted end of the linkage in the first position of the linkage, and around the second roller when the linkage is in its second position.


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