Head-tape alignment system and method
 A head-track orienting system for use in magnetic recording tape drives is disclosed which automatically corrects for misalignment between the head assembly and a recorded servo track on the tape. Using a servo control loop, the system calculates head-track alignment error during operation of the tape drive and either pivots the head assembly or adjusts the tape cartridge to compensate for the error. Transverse head-track positioning mechanisms are also included in the system to locate and maintain a centered position of the heads on the servo track. 
Minnesota Mining and Manufacturing Company
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Durkee B. Robert J. Hung T. Christopher L. James S.
Richards Youngquist Tran Hill Anderson