Apparatus and method to monitor the relative position of a...

Details Apparatus and method to monitor the relative position of a... Apparatus and method to monitor the relative position of a...

2005-08-23

2005-08-23

Sniezek, Andrew L. (Department: 2651)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

C360S074200, C360S074400, C242S324000, C242S333600, C242S357000

Reexamination Certificate

active

06934109

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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patent: 6257515 (2001-07-01), Fukuda et al.
patent: 2003/0016465 (2003-01-01), Bui et al.

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