Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1978-07-20
1980-07-22
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
360122, 3601303, G11B 560
Patent
active
042142873
ABSTRACT:
Embodiments include flying "catamaran" heads with "TSF" rail-faces, consisting of a flat-taper segment and an adjoining "spherical-flat" segment, adapted to eliminate "pinch-off" instability and the like when flown on opposing sides of a flexible medium.
REFERENCES:
patent: 3657710 (1972-04-01), Billawala
patent: 3821813 (1974-06-01), Freeman et al.
patent: 3823416 (1974-07-01), Warner
patent: 3855625 (1974-12-01), Garnier et al.
patent: 3927252 (1975-12-01), Polley
patent: 4081846 (1978-03-01), Roscamp et al.
patent: 4097909 (1978-06-01), King
patent: 4123791 (1978-10-01), Rotter et al.
IBM/TDB, vol. 18, No. 12, May 1976, pp. 4112-4114, "Head Compliance System . . . ", by King et al.
IBM/TDB, vol. 20, No. 3, Aug. 1977, p. 1202, "Trirail Slider . . . ", by McWhinney.
Morton Dennis S.
Nathanson Marshall R.
Stromsta Roger R.
Burroughs Corporation
Cass Nathan
McCormack John J.
Peterson Kevin R.
Wolff John H.
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