Optical disk format having a continuous recording area formed of

Details Optical disk format having a continuous recording area formed of Optical disk format having a continuous recording area formed of

1997-04-10

2000-07-18

Hindi, Nabil

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

369 32, 369 4434, 369124, G11B 700

Patent

active

060916990

ABSTRACT:
The invention provides an optical disk medium having a recording spiral formed by connecting groove tracks and land tracks alternately, and permitting detection of a connecting point between a groove track and a land track reliably is provided, and a method of tracking the optical disk medium and an optical disk drive apparatus for driving the optical disk medium. One part of an identification signal area is shifted by a predetermined distance in one radial direction from the center of a groove, while another part of the identification signal area is shifted by the same distance in the opposite radial direction from the center of the groove. A land/groove polarity of a sector is determined by the polarity of a tracking error signal and the order of the polarities during reproduction of an identification signal.

REFERENCES:
patent: 5508995 (1996-04-01), Moriya et al.
patent: 5508996 (1996-04-01), Endoh
patent: 5537373 (1996-07-01), Horikiri
patent: 5638354 (1997-06-01), Nakayama et al.
patent: 5754506 (1998-05-01), Nagasawa et al.

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