Arrangement for positioning a transducer to at least one track o

Details Arrangement for positioning a transducer to at least one track o Arrangement for positioning a transducer to at least one track o

1984-12-28

1987-01-27

Stellar, George G.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 78, G11B 555, G11B 556

Patent

active

046397965

ABSTRACT:
For accurate positioning of a transducer to a track of a tape-recording medium, for example a magnetic head to a magnetic tape, a sensing device is utilized which is partially covered by the edge of the recording medium and comprises a light barrier structure. In the first embodiment, the light barrier structure is fixed at a control signal generated by way of a converter is supplied to a positioning device for the transducer. Dependent on the control signal, the transducer is positioned such that the write and read elements thereof respectively have a prescribed distance from the edge of the recording medium. In a second embodiment, at least one part of the light barrier is disposed at the transducer 4 and extends in the region of the transducer 4 to a region which corresponds to the stroke of the positioning of the transducer when the same is positioned to different tracks.

REFERENCES:
patent: 4176381 (1979-11-01), De Niet et al.

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