Magnetic head shifting means for flexible disk memory system

Details Magnetic head shifting means for flexible disk memory system Magnetic head shifting means for flexible disk memory system

1983-08-22

1986-12-16

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360105, G11B 555, G11B 2108, G11B 554, G11B 2122

Patent

active

046301550

ABSTRACT:
A magnetic head shifting apparatus for flexible disk memory system wherein kinetic energy of an arm is absorbed by means of a cushioning material interposed between the arm and an abutment of a shackle rod thereby to reduce a transient period of time which is the one until the memory medium and magnetic heads reach their stable state, while damage of the memory medium is suppressed in steady state, whereby stable electromagnetic conversion characteristics can be obtained.

REFERENCES:
patent: 4144466 (1979-03-01), Hatch
patent: 4166284 (1979-08-01), Daniels
patent: 4247877 (1981-01-01), Keller et al.
patent: 4306260 (1981-12-01), Maeda et al.
patent: 4349851 (1982-09-01), Hagashiyama et al.
patent: 4423449 (1983-12-01), Hasegawa
patent: 4490635 (1984-12-01), Harrison et al.
IBM Technical Disclosure, vol. 17, No. 1, Jun. 1974, Empson et al., "Single Spring . . . Voice Coil Motor", p. 219.

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