Objective lens driving apparatus

Details Objective lens driving apparatus Objective lens driving apparatus

2008-01-15

2008-01-15

Dang, Hung X. (Department: 2873)

Optical: systems and elements

Lens

With support

C359S814000, C369S044150, C369S044160, C369S044190, C369S044210, C720S681000, C720S682000, C720S683000

Reexamination Certificate

active

07319564

ABSTRACT:
In an objective lens driving apparatus which includes a lens holder (22) provided with a plurality of coils (23, 24) and swingably supported by a suspension wire (28), and a magnet (27) for supplying a driving force to the lens holder by an electromagnetic action produced between the magnet and the coils, the center (Mc) of the magnet in a height direction is located above the center (Dc) of driving of the lens holder.

REFERENCES:
patent: 5463501 (1995-10-01), Suzuki
patent: 6857127 (2005-02-01), Lee et al.
patent: 2003/0210641 (2003-11-01), Shinozuka
patent: 2004/0004774 (2004-01-01), Fujita
patent: 2004/0130976 (2004-07-01), Tanaka
patent: 2001-93177 (2001-04-01), None

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