Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1996-02-28
1998-04-21
Levy, Stuart S.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
36013024, G11B 5588, G11B 1561
Patent
active
057424560
ABSTRACT:
A magnetic recording/reproducing apparatus with a drum positioning mechanism is provided. The drum positioning mechanism performs track correction to rotate a tape guide drum about a given axis of rotation according to a travel speed of a magnetic tape to orient a head path of magnetic heads at a given angle relative to a lead member which guides movement of a lower edge of the magnetic tape wrapped about the tape guide drum so that the head path coincides with tracks recorded on the magnetic tape correctly. The drum positioning mechanism also performs lead correction to rotate the lead member through a given angle relative to a drum base to eliminate a shift of the lower edge of the magnetic tape from the lead caused by the track correction so that the lower edge of the magnetic tape follows the lead completely. The magnetic recording/reproducing apparatus may also be employed in a recording mode. In the recording mode, the head path is oriented by the track correction at a preselected angle to the lower edge of the magnetic tape.
REFERENCES:
patent: 4703370 (1987-10-01), Inoue et al.
patent: 5067035 (1991-11-01), Kudelski et al.
patent: 5675458 (1997-10-01), Kinjo et al.
Hirayama Hiromichi
Kinjo Hisao
Mimata Masao
Miwa Morio
Nishima Ryo
Levy Stuart S.
Watkins Kevin M.
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