Apparatus and method for detecting non-alignment of a magnetic h

Details Apparatus and method for detecting non-alignment of a magnetic h Apparatus and method for detecting non-alignment of a magnetic h

1978-09-27

1979-08-07

Wolff, John H.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360123, G11B 520

Patent

active

041639952

ABSTRACT:
A test pattern is recorded on the record medium by applying a pulse of direct current to a pattern generating meander line which is stationary with respect to the record medium. The record medium is then moved relative to the magnetic head to generate an electrical signal indicative of any lateral or angular deviation of the head with respect to the record medium.

REFERENCES:
patent: 3479664 (1969-11-01), Stuart-Williams et al.
patent: 3491352 (1970-01-01), Bernard
patent: 3742470 (1973-06-01), Ha et al.
patent: 3852815 (1954-12-01), Ljudmirsky et al.
patent: 4019206 (1977-04-01), Haas

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