Device for controlling the rotation of the head drum

Details Device for controlling the rotation of the head drum Device for controlling the rotation of the head drum

1992-06-30

1995-10-17

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Synchronizing moving-head moving-record recorders

360 103, 360 7305, 360 7308, G11B 2104

Patent

active

054596220

ABSTRACT:
A rotation control device including a rotary head drum drive circuit for driving rotation of a rotary head drum, a tape transport mechanism for transporting a tape in a predetermined direction relative to the rotary head drum, and a correction circuit for detecting a change of the speed of transportation of the tape to supply correction information to the rotary head drum drive circuit so that the driving state of the rotary head drum is corrected.

REFERENCES:
patent: 4268873 (1981-05-01), Kobori et al.
patent: 4463390 (1984-07-01), Koga et al.
patent: 4568986 (1986-02-01), Furuhara et al.
patent: 4679098 (1987-07-01), Williams et al.
patent: 4680648 (1987-07-01), Takayama
patent: 4764824 (1988-08-01), Tani et al.
patent: 4796104 (1989-01-01), Ito et al.
patent: 4817887 (1989-04-01), Harigaya et al.
patent: 4930024 (1990-05-01), Kanda et al.
patent: 4954902 (1990-09-01), Furuhata et al.
patent: 4985786 (1991-01-01), Arai et al.
"Magnetic Tape" by Ampex Corporation Bulletin No. 9, Mar. 1965, 7 pages.

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