Rotatable magnetic-head unit for a magnetic-tape apparatus

Details Rotatable magnetic-head unit for a magnetic-tape apparatus Rotatable magnetic-head unit for a magnetic-tape apparatus

1989-01-30

1990-10-16

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Head accessory

360107, G11B 1560, G11B 552

Patent

active

049640089

ABSTRACT:
A rotatable magnetic-head unit comprises a cylindrical drum with at least one magnetic head for recording and/or reproducing signals on/from a magnetic tape. This magnetic tape is wrapped around a part of the circumference of the drum and is moved past that part of the drum circumference. in order to obtain a stable bearing arrangement for the magnetic-head unit the magnetic head is fixedly connected to the drum, whose wall is supported by means of spiral-groove bearings in the direct proximity of the magnetic heads in a stationary cylindrical housing. The drum can rotate inside the housing. The housing is formed with an opening in which the magnetic tape moves.

REFERENCES:
patent: 3995318 (1976-11-01), Serizawa
patent: 4040109 (1977-08-01), Kryltsov
patent: 4695907 (1987-09-01), Inaji et al.
patent: 4701821 (1987-10-01), Muller
patent: 4774606 (1988-09-01), Uhde
patent: 4851940 (1989-07-01), Saito

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