Dynamic information storage or retrieval – With servo positioning of transducer assembly over track... – Optical servo system
Reexamination Certificate
2007-10-03
2010-06-01
Agustin, Peter Vincent (Department: 2627)
Dynamic information storage or retrieval
With servo positioning of transducer assembly over track...
Optical servo system
Reexamination Certificate
active
07729212
ABSTRACT:
The objective lens driving device of the present invention for an optical pickup device is provided. The device includes first and second objective lenses, and a lens holder for supporting the first and second objective lenses. The lens holder has a first through-hole for passage of first laser beam and a second through-hole for passage of second laser beam. Where a plane defined by a central axis of the first objective lens and a central axis of the second objective lens is a central plane, a plane perpendicular to the central plane and including the central axis of the first objective lens is a first plane, and a plane perpendicular to the central plane and including the central axis of the second objective lens is a second plane; the first through-hole is asymmetrical with respect to the first plane and/or the second through-hole is asymmetrical with respect to the second plane.
REFERENCES:
patent: 5182738 (1993-01-01), Yoshikawa
patent: 5898653 (1999-04-01), Yoshizawa
patent: 5933405 (1999-08-01), Song
patent: 6778472 (2004-08-01), Nishikawa
patent: 2003/0103441 (2003-06-01), Kim et al.
patent: 2005/0265141 (2005-12-01), Pae et al.
patent: 2007/0253296 (2007-11-01), Iijima et al.
patent: 2003-281758 (2003-10-01), None
Ieki Koji
Kajino Osamu
Tomita Hironori
Wakabayashi Kanji
Agustin Peter Vincent
Panasonic Corporation
Renner , Otto, Boisselle & Sklar, LLP
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