Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the record
Patent
1991-04-26
1993-06-01
Heyman, John S.
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the record
360 71, 360 745, 242189, 364148, G11B 1543
Patent
active
052165566
ABSTRACT:
A method for adjusting the tension of a tape in a tape drive is disclosed. The tape is loaded into the tape drive. A test signal is then provided to record test information onto the tape while the tape tension is varied concurrently in a prescribed manner. The test information is read immediately to provide a test readback signal. The test readback signal is processed to determine a functional relationship between the test readback signal and the tape tension. An operating tape tension value is computed based upon the functional relationship. The operating tape tension is implemented on the tape drive in the form of a command signal to a motor means of the tape drive.
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Saliba George A.
Steinberg Mitchell R.
Digital Equipment Corporation
Gunther John M.
Heyman John S.
Young Barry N.
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