Dynamic information storage or retrieval – With servo positioning of transducer assembly over track... – Optical servo system
Reexamination Certificate
2011-03-01
2011-03-01
Nguyen, Hoa T (Department: 2627)
Dynamic information storage or retrieval
With servo positioning of transducer assembly over track...
Optical servo system
C369S044150, C359S822000
Reexamination Certificate
active
07898911
ABSTRACT:
In an optical pickup apparatus, a collimator lens is rockably supported by edges of two protruding portions formed on opposing sides of a groove of an optical base. The collimator lens is urged against the edges of the two protruding portions by a leaf spring. The position in vertical direction of one end of the leaf spring is adjusted by a position adjustor. In this manner, a tilt angle of the collimator lens is adjusted. Therefore, astigmatism of the light spot can precisely be compensated for irrespective of variations among apparatuses to achieve an excellent light spot.
REFERENCES:
patent: 5623466 (1997-04-01), Itonaga
patent: 5689378 (1997-11-01), Takashima et al.
patent: 6198580 (2001-03-01), Dallakian
patent: 6418108 (2002-07-01), Ueda et al.
patent: 6542319 (2003-04-01), Kato et al.
patent: 6992843 (2006-01-01), Juhala
patent: 7184218 (2007-02-01), Berman et al.
patent: 7518965 (2009-04-01), Kataoka
patent: 2003/0161249 (2003-08-01), Kamisada et al.
patent: 2005/0002289 (2005-01-01), Mori
patent: 1124392 (1996-06-01), None
patent: 1180886 (1998-05-01), None
patent: 6-168456 (1994-06-01), None
patent: 8-147747 (1996-06-01), None
Patent Abstracts of Japan, Publication No. 08-147747, Publication Date: Jun. 7, 1996, 1 page.
Japanese Office Action for Application No. 2005207008, mailed on Mar. 3, 2009 (5 pages).
Patent Abstract of Japan for Japanese Publication No. 06-168456, publication date Jun. 14, 1994 (1 page).
Extended European Search Report for European Application No. 06014577.8-2210, mailed on Oct. 31, 2008 (6 pages).
Fischer Mark L
Funai Electric Co. Ltd.
Nguyen Hoa T
Osha • Liang LLP
LandOfFree
Optical pickup apparatus equipped with a lens angle... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Optical pickup apparatus equipped with a lens angle..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical pickup apparatus equipped with a lens angle... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2678297