Voice coil activated disk drive parking device with magnetic bia

Details Voice coil activated disk drive parking device with magnetic bia Voice coil activated disk drive parking device with magnetic bia

1988-11-10

1991-01-15

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 9701, G11B 554

Patent

active

049857932

ABSTRACT:
A parking device for parking the actuator and the heads in a disk drive utilizes the magnetic field provided by the magnet in the actuator. A permeable latch return provided in the magnetic field creates an attractive force which biases the parking device to a latched position. A coil, provided on the parking device, passes an electric current in the magnetic field provided by the actuator to create a force which releases the parking device.

REFERENCES:
patent: 4654735 (1987-03-01), Izraelev et al.
patent: 4672487 (1987-06-01), Brand et al.
patent: 4677509 (1987-06-01), Nishida et al.
patent: 4692829 (1987-09-01), Campbell
patent: 4710834 (1987-12-01), Brand et al.
patent: 4864444 (1989-09-01), Liu et al.
IBM Technical Disclosure Bulletin, vol. 19, No. 4, Sep. 1976, Actuator Retraction Device, Hearn p. 1440.

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