Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium
Reexamination Certificate
2008-01-22
2008-01-22
Huber, Paul W. (Department: 2627)
Dynamic information storage or retrieval
Specific detail of information handling portion of system
Radiation beam modification of or by storage medium
C359S837000
Reexamination Certificate
active
07321542
ABSTRACT:
A beam shaping prism used in an optical pickup, the beam shaping prism includes a first prism having an incident surface and a second prism having an inclined surface. Since a beam entering the beam shaping prism makes right angles with a beam emerging therefrom, it is easy to optically arrange and assemble elements.
REFERENCES:
patent: 4759616 (1988-07-01), Marchant
patent: 4804835 (1989-02-01), Ando
patent: 5155633 (1992-10-01), Grove et al.
patent: 5220553 (1993-06-01), Ando et al.
patent: 5311496 (1994-05-01), Whitehead
patent: 5544144 (1996-08-01), Takishima et al.
patent: 5596456 (1997-01-01), Luecke
patent: 5751681 (1998-05-01), Matsui
patent: 6341106 (2002-01-01), Nakanishi et al.
patent: 6404715 (2002-06-01), Takishima et al.
patent: 6934239 (2005-08-01), Takeuchi
patent: 2001/0024417 (2001-09-01), Yanagawa et al.
patent: 2005/0052968 (2005-03-01), Lee et al.
Hecht, Eugene, “OPTICS,” Addison-Wesley Publishing Company, Second Edition, pp. 98 and 103, no date.
Choi Jong-Chul
Kim Tae-Kyung
Huber Paul W.
Samsung Electronics Co,. Ltd.
Stein, McEwen & Bui LLP
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