Optical magnetic information recording and reproducing apparatus

Details Optical magnetic information recording and reproducing apparatus Optical magnetic information recording and reproducing apparatus

1985-12-30

1988-04-26

Cardillo, Raymond F.

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

369270, 369271, 360 99, G11B 1304, G11B 17022

Patent

active

047409371

ABSTRACT:
In an optical magnetic recording and reproducing apparatus including a disc clamp member and a magnetic field biasing device, the disc clamp member and the magnetic field biasing device are pivotably supported by separate supporting members so as to undergo pivotal movement independently of one another with respect to a disc cartridge holder. This enables a compact arrangement in which the disc cartridge holder is compactly accommodated beneath the disc clamp member and the magnetic field biasing device during the loading of a record disc.

REFERENCES:
patent: 3436082 (1969-04-01), Bostrom et al.
patent: 4063286 (1977-12-01), Takahara et al.
patent: 4472748 (1984-09-01), Kato et al.
patent: 4498161 (1985-02-01), Eisemann
patent: 4581667 (1986-04-01), Gerfast
patent: 4587586 (1986-05-01), Hamanaka
patent: 4610009 (1986-09-01), Connell

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