Disc, tape and hybrid disc-tape memory apparatus and drive assem

Details Disc, tape and hybrid disc-tape memory apparatus and drive assem Disc, tape and hybrid disc-tape memory apparatus and drive assem

1979-06-04

1981-08-18

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Record transport with head moving during transducing

Tape record

360 98, 360106, 360107, 36013024, G11B 555, G11B 2108

Patent

active

042850169

ABSTRACT:
A drive assembly for driving disc, tape or disc-tape hybrid apparatus. A tape apparatus for mass storage in which rotating heads record longitudinal adjacent tracks of predetermined length on a tape to form blocks of recorded data. The tape is advanced to write or read a plurality of blocks. Also provided is a hybrid apparatus which combines the tape apparatus and disc apparatus in a unit which is driven from a common drive assembly.

REFERENCES:
patent: 2694110 (1954-11-01), Roberts
patent: 2873926 (1959-02-01), Roberts
patent: 3047869 (1962-07-01), Marcum et al.
patent: 3075049 (1963-01-01), Gordon et al.
patent: 3197575 (1965-07-01), Eckstein
patent: 3778559 (1973-12-01), Kihara et al.
patent: 4005490 (1977-01-01), Duncan et al.
patent: 4021857 (1977-05-01), Tanimura
patent: 4101945 (1978-07-01), Butsch
patent: 4117519 (1978-09-01), Shioyama et al.
G. L. Hollander, Data Processing with a Quasi-Random-Access Memory, Instruments and Automation, vol. 29, No. 4, Apr. 1956, p. 690.

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