Dynamic information storage or retrieval – With servo positioning of transducer assembly over track... – Optical servo system
Patent
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
Ikedo Yuji
Miyakawa Tsutomu
Miyake Masahiko
Okajima Takahiro
Faber Alan
Pioneer Electronic Corporation
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