Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
Reexamination Certificate
2005-08-30
2005-08-30
Hindi, Nabil (Department: 2655)
Dynamic information storage or retrieval
Condition indicating, monitoring, or testing
Including radiation storage or retrieval
C369S275300, C369S053150, C369S053170
Reexamination Certificate
active
06937550
ABSTRACT:
An information recording medium according to an embodiment of this invention has a plurality of disk-like information recording layers, which are adhered to each other within an allowable decentering error range, and an embossed lead-in area assured on each information recording layer has first guard tracks which are formed within the range of the first radial distance from the radial position of the innermost periphery of the embossed lead-in area toward the outer periphery side, and second guard tracks which are formed within the range of the second radial distance from the radial position of the outermost periphery of the embossed lead-in area toward the inner periphery side.
REFERENCES:
patent: 6424614 (2002-07-01), Kawamura et al.
patent: 62-285232 (1987-12-01), None
patent: 11-144393 (1999-05-01), None
patent: 2000-36130 (2000-02-01), None
U.S. Appl. No. 10/132,208, filed Apr. 26, 2002, Ohsawa.
U.S. Appl. No. 10/668,209, filed Sep. 24, 2003, Hasegawa.
Hindi Nabil
Kabushiki Kaisha Toshiba
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
LandOfFree
Information recording medium, information reproduction... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Information recording medium, information reproduction..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Information recording medium, information reproduction... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3504918