Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
Reexamination Certificate
2009-07-02
2011-10-18
Criado, Jorge Ortiz (Department: 2627)
Dynamic information storage or retrieval
Condition indicating, monitoring, or testing
Including radiation storage or retrieval
C369S044320, C369S044410, C369S053280, C369S013330
Reexamination Certificate
active
08040774
ABSTRACT:
An optical disk device has: a detector (11) that converts a reflected light from an optical disk (5) and a reflected light of an incident light from a light source (1) side of a solid immersion lens (4), into electric signals and outputs the signals; a subtracter (15) that computes the output signal of the detector (11) according to a predetermined rule and outputs the result as a tilt detection signal; a CPU (21), an amplifier/phase compensation circuit (16), a switch (17) and an actuator (13) that perform tilt control for controlling tilt of the solid immersion lens (4) with respect to the optical disk (5) using the tilt detection signal; and the CPU (21), a nut (24), a feed screw (25), a decelerator (26) and a stepping motor (27) that perform gap adjustment for changing the gap of the solid immersion lens (4) and optical disk (5), and in the process of adjustment of gap between the solid immersion lens (4) and optical disk (5), the CPU (21) enables tilt control by closing the switch (17) according to the tilt detection signal.
REFERENCES:
patent: 7462855 (2008-12-01), Saito et al.
patent: 7535808 (2009-05-01), Ishimoto et al.
patent: 2005/0180283 (2005-08-01), Ishimoto et al.
patent: 2005/0259530 (2005-11-01), Ishimoto et al.
patent: 2006/0255247 (2006-11-01), Saito et al.
patent: 2009/0190453 (2009-07-01), Lee et al.
patent: 2010/0157756 (2010-06-01), Ishimoto
patent: 2010/0232264 (2010-09-01), Narumi et al.
patent: 2011/0007613 (2011-01-01), Ito et al.
patent: 2002-319160 (2002-10-01), None
patent: 2005-259329 (2005-09-01), None
patent: 2006-344351 (2006-12-01), None
patent: 2008-146739 (2008-06-01), None
patent: 2008-305453 (2008-12-01), None
International Search Report issued Sep. 15, 2009 in International (PCT) Application No. PCT/JP2009/003072.
Birukawa Masahiro
Futakuchi Ryutaro
Criado Jorge Ortiz
Panasonic Corporation
Wenderoth , Lind & Ponack, L.L.P.
LandOfFree
Optical disk device and tilt correction method for optical... 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 disk device and tilt correction method for optical..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical disk device and tilt correction method for optical... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4263405