Method and apparatus for recording and reproducing information o

Details Method and apparatus for recording and reproducing information o Method and apparatus for recording and reproducing information o

1976-06-24

1978-02-14

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 76, G11B 2110, G11B 556

Patent

active

040743284

ABSTRACT:
A transducer track-centering system for a magnetic information storage disk utilizes the data itself to generate position-correcting error signals. Angularly-disposed magnetic gaps in a two-part transducer head read and write the data in identical components of a V-shaped pattern which straddles the center line of the disk record track. Transducer positioning errors take the form of a time lag between the data read from the separate branches of the V. The time-difference is then used to adjust the transducer position perpendicularly with respect to track center.

REFERENCES:
patent: 2938962 (1960-05-01), Konins et al.
patent: 3034111 (1962-05-01), Hoagland et al.
patent: 3185972 (1965-05-01), Sippel
patent: 3665118 (1972-05-01), Cooper, Jr.
patent: 3678220 (1972-07-01), Luhrs
patent: 3964094 (1976-06-01), Hart
patent: 4007493 (1977-02-01), Behr et al.

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