Dynamic magnetic information storage or retrieval – Record transport with head moving during transducing – Tape record
Patent
1988-11-25
1990-08-21
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record transport with head moving during transducing
Tape record
360 95, 36013021, G11B 5027, G11B 1560
Patent
active
049511637
ABSTRACT:
A magnetic tape is withdrawn from a tape cassette, wound partly around a rotatable drum with transducer heads through a predetermined wrap angle, and fed along for recording signals on and reproducing signals from the tape with the transducer heads. A pair of skew blocks is fixedly disposed laterally of and near the rotatable drum. A pair of vertical guide rollers is movable from a first position in which they are positioned within an opening defined in the tape cassette and behind the tape in the opening to a second position near the skew blocks. When the vertical guide rollers are moved from the first position to the second position, the vertical guide rollers withdraw the magnetic tape from the tape cassette and hold the magnetic tape against the rotatable drum and the skew blocks. The magnetic tape extending between the skew blocks is skewed by the skew blocks to allow the transducer heads to scan the magnetic tape at a prescribed skew angle. When the vertical guide rollers are in the first position, the distance between the axes of the respective vertical guide rollers is 15 mm or less.
REFERENCES:
patent: 4837646 (1989-06-01), Nagai
patent: 4875126 (1988-10-01), Nakamichi
Nakamichi Corporation
Wolff John H.
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