Dynamic information storage or retrieval – With servo positioning of transducer assembly over track... – Optical servo system
Reexamination Certificate
2006-05-02
2006-05-02
Miller, Brian E. (Department: 2652)
Dynamic information storage or retrieval
With servo positioning of transducer assembly over track...
Optical servo system
C369S118000, C369S094000
Reexamination Certificate
active
07038978
ABSTRACT:
The optical information recording and reproducing apparatus includes a light source for emitting a light beam, an objective lens for converging the light beam emitted from the light source to an information recording medium, and a light detector for detecting the light beam reflected from the information recording medium. The information bits are recorded into a recording member of the information recording medium in a three-dimensional arrangement by using a change in optical constant of the recording member. Furthermore, a thickness of the recording member is larger than a wavelength of the light beam and the information bits are sequentially recorded into the recording member in a three-dimensional arrangement in such an order that a converging light beam from the objective lens does not pass through information bits that have already been recorded.
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English Translation of JP 06028672 A.
Saimi Tetsuo
Shiono Teruhiro
Yamamoto Hiroaki
Agustin Peter Vincent
Miller Brian E.
Wenderoth , Lind & Ponack, L.L.P.
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