Rotary magnetic head drum apparatus

Details Rotary magnetic head drum apparatus Rotary magnetic head drum apparatus

1982-06-29

1985-06-18

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Head accessory

360 84, 360129, G11B 510, G11B 1560

Patent

active

045244022

ABSTRACT:
A rotary magnetic head drum apparatus for a video tape recorder of a helical scan type having small projecting members provided on a fixed drum of a rotary magnetic head assembly in the vicinity of the switching positions at the entrance and exit sides for a magnetic tape. The projecting members cause the magnetic tape locally to be displaced radially outward from the surface of the fixed drum so as to reduce longitudinal vibration of the magnetic tape and hence reduce impact error in a signal reproduced on the magnetic tape by two rotary magnetic heads.

REFERENCES:
patent: T941022 (1975-12-01), Freeman et al.

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