Optical pickup apparatus

Details Optical pickup apparatus Optical pickup apparatus

2008-01-01

2008-01-01

Tran, Thang V. (Department: 2627)

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

C269S112000

Reexamination Certificate

active

10949470

ABSTRACT:
The apparatus has a lens supporting unit which supports one side of a lens holder holding one lens forming a part of an expander lens with a plurality of plate springs, a lens driving unit which apply a driving force to the lens holder utilizing an electromagnetic force, and a solenoid which allows a plunger to be abutted and spaced on and from a surface on one side of the lens holder, with an elastic member interposed therebetween, in a position in the middle of a plurality of connecting regions where the plate springs are respectively connected.

REFERENCES:
patent: 6914730 (2005-07-01), Nakano et al.
patent: 9-8947 (1997-03-01), None
patent: 9-81947 (1997-03-01), None
patent: 2002-334475 (2002-11-01), None
patent: 2003-030890 (2003-01-01), None
patent: 2003-045067 (2003-02-01), None
patent: 2003-115127 (2003-04-01), None

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