Dynamic information storage or retrieval – Storage medium structure – Optical track structure
Reexamination Certificate
2007-09-12
2010-02-02
Dinh, Tan X (Department: 2627)
Dynamic information storage or retrieval
Storage medium structure
Optical track structure
Reexamination Certificate
active
07656780
ABSTRACT:
An optical disc medium10having a wobbled track groove12includes three wobble patterns including a flat wobble pattern, a positive pulse wobble pattern, and a negative pulse wobble pattern. In the flat wobble pattern, the amplitude of the wobble from the lengthwise direction of the track groove is zero such that the track groove is flat. In the positive pulse wobble pattern, the amplitude of the wobble from the lengthwise direction of the track groove is positive such that the track groove is wobbled in a first direction perpendicular to the lengthwise direction. Further, in the negative pulse wobble pattern, the amplitude of the wobble from the lengthwise direction of the track groove is negative such that the track groove is wobbled in a second direction opposite to the first direction. Then, three data values can be recorded using three distinctive wobble patterns.
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Office Action for Chinese Application No. 200610110146.7, issued on Feb. 1, 2008.
Furumiya Shigeru
Heemskerk Jacobus Petrus Josephus
Ishibashi Hiromichi
Kobayashi Shoei
Nakano Jun
Dinh Tan X
Koninklijke Philips Electronics , N.V.
Panasonic Corporation
Sony Corporation
Wenderoth , Lind & Ponack, L.L.P.
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