Magnetic head position reference system

Details Magnetic head position reference system Magnetic head position reference system

1977-07-11

1979-08-14

Wolff, John H.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360119, G11B 543, G11B 584

Patent

active

041647645

ABSTRACT:
A position reference system is disclosed which provides an indication of the amount of mistracking of a magnetic head while the latter is stationed in its normal operating environment. The system is also capable of providing an indication of the spacing tolerances of a multi-core head. A special tracking medium is recorded against which the position of the head is compared. The sensitivity of the disclosed system permits a determination of mistracking as well as corrective adjustments to be made against visual observation only.

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patent: 3751599 (1973-08-01), Ogawa et al.
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patent: 4007493 (1977-02-01), Behr et al.
patent: 4072994 (1978-02-01), Takashima
patent: 4074326 (1978-02-01), Smith
IBM Technical Disclosure Bulletin, vol. 16, No. 11, pp. 3757-3759, Apr. 1974, "Tri-bit Servo Pattern", C. Wallis.

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