Seek actuator for optical recording

Details Seek actuator for optical recording Seek actuator for optical recording

1995-03-06

1996-07-02

Hindi, Nabil Z.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 44160, 369249, G11B 700

Patent

active

055329896

ABSTRACT:
An apparatus for optically reading or recording information on an optical disc which is rotatable about an axis of rotation. The apparatus includes a frame, a carriage, a carriage drive, an objective lens, an objective lens holder, a focus drive and a fine tracking drive. The objective lens is mounted on the objective lens holder so that the optical axis of the objective lens substantially intersects the center of mass of the carriage. The fine motor, used for tracking and focus, has a center of mass that substantially lies on the optical axis and proximate the center of mass of the carriage.

REFERENCES:
patent: 4720088 (1988-01-01), Tamura
patent: 5150343 (1992-09-01), Goto et al.
patent: 5187702 (1993-02-01), Takahashi
patent: 5191570 (1993-03-01), Shirai
patent: 5319624 (1994-06-01), Yamasaki et al.
patent: 5347500 (1994-09-01), Eguchi

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