Method and apparatus for coarse and fine positioning a magnetic

Details Method and apparatus for coarse and fine positioning a magnetic Method and apparatus for coarse and fine positioning a magnetic

1993-12-07

1995-08-01

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 7712, 360 7802, G11B 5584, G11B 556, G11B 555

Patent

active

054384699

ABSTRACT:
An apparatus for positioning a magnetic head relative to a magnetic tape includes a platform for coarsely positioning the magnetic head, roughly to a desired track of the magnetic tape. A piezoelectric element is provided for fine positioning the magnetic head. The piezoelectric element is arranged between a bottom of the platform and the magnetic head.

REFERENCES:
patent: 4188645 (1980-02-01), Ragle et al.
patent: 4392163 (1983-07-01), Rijckaert et al.
patent: 4507696 (1985-03-01), Huter
patent: 4583135 (1986-04-01), Kimura
patent: 4679104 (1987-07-01), Dahlerud
patent: 4866548 (1989-09-01), Rudi
patent: 4989109 (1991-01-01), Morrisawa
patent: 5003423 (1991-03-01), Imamura et al.
patent: 5191492 (1993-03-01), Nayak et al.
Burleigh Brochure entitled "Micropositioning Systems" (1989).
Patent Abstracts of Japan, vol. 8058, Mar. 1984, Publication No. 58205925.

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