Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Control of information signal processing channel
Reexamination Certificate
2006-01-24
2006-01-24
Hindi, Nabil (Department: 2655)
Dynamic information storage or retrieval
Control of storage or retrieval operation by a control...
Control of information signal processing channel
C369S275400
Reexamination Certificate
active
06990049
ABSTRACT:
An optical information recording medium, recording and reproducing method and device for same, and an optical pickup, which enables high-density recording and high-speed recording. Recording or reproduction is performed to or from the optical information recording medium having a track pitch Tp of 1.0 μm≦Tp≦1.2 μm, using laser light having a wavelength λ of 770 nm≦λ≦830 nm, and a spot diameter Sd of 1.1 μm≦Sd≦1.3 μm.
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patent: 6754166 (2004-06-01), Arioka et al.
patent: 0 880 131 (1998-11-01), None
patent: 8-194971 (1996-07-01), None
Ida Keiichi
Matsuda Isao
Sekiguchi Mitsuo
Shimizu Atsuo
Sunagawa Ryuichi
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Hindi Nabil
Taiyo Yuden Co. Ltd.
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