Optical pickup actuator, optical pickup, and optical...

Optical: systems and elements – Lens – With support

Reexamination Certificate

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Details

C359S814000

Reexamination Certificate

active

10900426

ABSTRACT:
An optical pickup actuator having: a holder positioned at one side of a base; a lens holder on which an objective lens is mounted, a magnetic driving portion having focusing coils, tracking coils, and tilting coils, and a magnet used to drive the lens holder in focusing, tracking, and tilting directions; at least one support member supporting the lens holder, one end of the support member being combined with the holder, and an other end thereof being combined with the lens holder; and wires installed separate from the support member to apply a current to the focusing coil, the tracking coil, and the tilting coil.

REFERENCES:
patent: 5684645 (1997-11-01), Tomiyama et al.
patent: 6795258 (2004-09-01), Jang
patent: 2002/0071358 (2002-06-01), Kim et al.
patent: 2003/0021218 (2003-01-01), Song et al.
patent: 2003/0128443 (2003-07-01), Jang et al.
patent: 1355918 (2002-06-01), None
patent: 1396587 (2003-02-01), None
patent: 10-2002-0079318 (2002-10-01), None
patent: WO 98/54705 (1998-03-01), None
patent: WO 98/54705 (1998-12-01), None
Korean Office Action for 10-2002-0070865.

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