Head position controlling method

Details Head position controlling method Head position controlling method

1988-07-08

1990-05-08

Stephan, Steven L.

Dynamic magnetic information storage or retrieval

Record editing

360 103, 360 70, 360 7716, H04N 5783

Patent

active

049243250

ABSTRACT:
In a magnetic recording reproduction apparatus, electro-mechanical transducing element supply voltage to maximize output read from a standard defining tape by a rotary magnetic head is stored in a memory disecretely corresponding to position of a head in the rotational direction per each mode such as still reproduction, slow reproduction or speed search, and the supply voltage corresponding to the position of the rotary magnetic head in the rotational direction is read from the memory during the use state, and the electro-mechanical transducing element is supplied with the supply voltage read from the memory and the position of the rotary magnetic head in the rotational axis direction is controlled.

REFERENCES:
patent: 3947875 (1976-03-01), Bull
patent: 4251838 (1981-02-01), Saito
patent: 4462049 (1984-07-01), Heitmann
patent: 4550349 (1985-10-01), Okuyama
patent: 4558376 (1985-12-01), Heitmann
patent: 4595960 (1986-06-01), Hamalainen
patent: 4603360 (1986-07-01), Fujiki et al.
patent: 4630136 (1986-12-01), Ogawa et al.
patent: 4636874 (1987-01-01), Hoogendoorn et al.
patent: 4685013 (1987-08-01), Joannou et al.

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