Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Disk record
Patent
1979-06-05
1981-09-22
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Disk record
360 99, 360133, G11B 2302, G11B 2504
Patent
active
042913497
ABSTRACT:
Improved transducing techniques and arrangements; the embodiments particularly adapted for co-action with disk drive apparatus for handling flexible disk packs, and including a partitioning shield, flexure-bar mounted transducer head under the shield, along with disk-cleaner/stabilizer means--especially where these are arrayed in the form of a double-opposed transducer assembly adapted to be so manipulated into the pack as to double-partition the pack away from a selected disk on which opposed dual-transducing operations may be carried out.
Such arrangements eliminate the need for separate pressure-pads, incorporating them on opposed-heads adapted to transduce on both sides of a record mounted on the ends of respective pivotable flexure-bars. Such cleaner/stabilizers can be opposed, engaged an intermediate record, squeezingly.
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patent: 3810243 (1974-05-01), McGinnis et al.
patent: 3931644 (1976-01-01), Ward
patent: 3940794 (1976-02-01), Griffiths et al.
patent: 3947885 (1976-03-01), McGinnis et al.
patent: 3964104 (1976-06-01), Herron et al.
patent: 3990109 (1976-11-01), Seifert
patent: 4019204 (1977-04-01), Griffiths et al.
patent: 4191981 (1980-03-01), Van Winkle
IBM/T.D.B., vol. 18, No. 12, May 1976, pp. 4112-4114, "Head Compliance System . . . ", by King et al.
IBM/TDB, vol. 19, No. 3, Aug. 1976, pp. 1037-1038, "Cleaner for Access Arm . . . " by King.
IBM/TDB, vol. 3, No. 10, Mar. 1961, "Magnetic Tape Cleaner" by Badum.
DeMoss Dean
Ragle Herbert U.
Burroughs Corporation
Cass Nathan
McCormack John J.
Peterson Kevin R.
Wolff John H.
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