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.:

US 6934109 B1

Expired

Date of Patent:

Aug. 23, 2005

Filed:

Aug. 21, 2003

Apparatus and method to monitor the relative position of a tape medium disposed in a tape drive

Applicants:

Nhan X. Bui, Tucson, AZ (US);

Randy C. Inch, Tucson, AZ (US);

Junichi Fukuda, Sagamihara, JP;

Eiji Ogura, Yokohama, JP;

Kazuhiro Tsuruta, Sagamihara, JP;

Inventors:

Nhan X. Bui, Tucson, AZ (US);

Randy C. Inch, Tucson, AZ (US);

Junichi Fukuda, Sagamihara, JP;

Eiji Ogura, Yokohama, JP;

Kazuhiro Tsuruta, Sagamihara, JP;

Assignee:

International Business Machines Corporation, Armonk, NY (US);

Attorney:

Dale F. Regelman

Primary Examiner:

Andrew L Sniezek

Int. Cl.

CPC ...

G11B015/18 ; G11B015/48 ;

U.S. Cl.

CPC ...

Abstract

A method to monitor the relative position of a magnetic tape disposed in a tape drive, where that tape drive includes a first tape reel motor and a second tape reel motor. The method provides a magnetic tape disposed on a first tape reel, and releaseably attaches the first tape reel to the first tape reel motor. The method further provides a second tape reel attached to the second tape reel motor. The method operates the first tape reel motor and the second tape reel motor to transfer the tape from the first tape reel onto the second tape reel while maintaining a running second reel rotation count. The method sets a second reel rotation count limit, and determines if the running second reel rotation count exceeds that second reel rotation count limit. If the running second reel rotation count exceeds the second reel rotation count limit, then the method discontinues operation of the tape reel motors.

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Bui, Nhan. (2005). Apparatus and method to monitor the relative position of a tape medium disposed in a tape drive (U.S. Patent No. 6934109). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6934109

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