Eddy attenuating apparatus for an optical pickup assembly...

Details Eddy attenuating apparatus for an optical pickup assembly... Eddy attenuating apparatus for an optical pickup assembly...

2007-11-13

2007-11-13

Watko, Julie Anne (Department: 2627)

Dynamic optical information storage or retrieval

Dynamic mechanism optical subsystem

Transducer carriage or actuator

Reexamination Certificate

active

10937256

ABSTRACT:
An optical pickup assembly having: a pickup base; an actuator installed in the pickup base, and having a blade, on which an objective lens to radiate light onto a disc is mounted; a cover, installed to surround the actuator, and regulating a range of movement of the blade; and an attenuator protruding from an inside of the cover, splitting an eddy current occurring during rotation of the disc into a plurality of small eddy currents, and attenuating a disturbance acting on the blade.

REFERENCES:
patent: 5200945 (1993-04-01), Engler et al.
patent: 5790511 (1998-08-01), Juso et al.
patent: 63-026843 (1988-02-01), None
patent: 91-7820 (1991-05-01), None
Korean Office Action for Application No. 10-2003-0100425 dated Jun. 28, 2005.

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