Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium
Reexamination Certificate
2011-03-15
2011-03-15
Hindi, Nabil Z (Department: 2627)
Dynamic information storage or retrieval
Specific detail of information handling portion of system
Radiation beam modification of or by storage medium
C369S094000
Reexamination Certificate
active
07907497
ABSTRACT:
There is provided a storage layer (13) between storage layers (11), (15). The storage layer (13) produces a relatively large spherical aberration for a protection layer thickness error. Information is written to or read from the storage layer (13) with a beam of light having a second wavelength. Information is written to or read from the storage layers (11), (15) with a beam of light having a first wavelength (longer than the second wavelength). Accordingly, a multi-format optical storage medium is realized on which information can be recorded or reproduced with a single objective lens. Also, an optical pickup is realized which is capable of recording or reproducing information on the multi-format optical storage medium.
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Press Release from Toshiba Corporation dated Dec. 7, 2004 and partial English language translation of same.
Press Release from Toshiba Corporation dated Sep. 11, 2006 and partial English language translation of same.
Mieda Michinobu
Mori Go
Nakano Ikuo
Sakai Toshihiko
Shimo Masanori
Conlin David G.
Edwards Angell Palmer & & Dodge LLP
Hindi Nabil Z
Sharp Kabushiki Kaisha
Tucker David A.
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