Pickup system in optical information recording and reproducing a

Details Pickup system in optical information recording and reproducing a Pickup system in optical information recording and reproducing a

1986-08-25

1988-12-27

Faber, Alan

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 45, 350252, G11B 795

Patent

active

047945800

ABSTRACT:
An optical pickup system in which a tracking objective lens is moved by opposed magnetic coils attached to the lens along the axis of the lens and in the transverse direction across the recording tracks. A servo system on a fixed base supplies current to the movable coils by lead wires which are connected at the middle to a fixed vibration absorbing material, such as polyurethane foam.

REFERENCES:
patent: 4135206 (1979-01-01), Kleuters
patent: 4321701 (1982-03-01), Arquie
patent: 4367543 (1983-01-01), Araki
patent: 4482986 (1984-11-01), Noda
patent: 4488789 (1984-12-01), Kenny

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