| US 7,593,314 B2 | ||
| Optical disc and physical address format | ||
| Atsushi Nakamura, Osaka (Japan); Junichi Minamino, Nara (Japan); Shigeru Furumiya, Hyogo (Japan); Mamoru Shoji, Osaka (Japan); Takashi Ishida, Kyoto (Japan); and Hiromichi Ishibashi, Osaka (Japan) | ||
| Assigned to Panasonic Corporation, Kadoma (Japan) | ||
| Filed on Aug. 15, 2007, as Appl. No. 11/839,010. | ||
| Application 11/839010 is a continuation of application No. 11/380262, filed on Apr. 26, 2006, granted, now 7,327,660. | ||
| Application 11/380262 is a continuation of application No. 11/361801, filed on Feb. 24, 2006, granted, now 7,257,073. | ||
| Application 11/361801 is a continuation of application No. 10/111823, granted, now 7,116,624, previously published as PCT/JP01/07449, filed on Aug. 29, 2001. | ||
| Claims priority of application No. 2000-263416 (JP), filed on Aug. 31, 2000; application No. 2001-179728 (JP), filed on Jun. 14, 2001; and application No. 2001-235618 (JP), filed on Aug. 02, 2001. | ||
| Prior Publication US 2007/0291626 A1, Dec. 20, 2007 | ||
| Int. Cl. G11B 7/24 (2006.01) | ||
| U.S. Cl. 369—275.4 [369/44.13] | 5 Claims |
| 1. An optical disc medium, comprising a recording/reproduction area and a disc management area, wherein:
the recording/reproduction area includes a first track groove;
the disc management area includes a second track groove provided in at least one of an inner area and an outer area of the
optical disc medium;
the second track groove includes a plurality of prescribed shapes of wobbles indicating sub information;
management information of the optical disc medium is represented by a combination of the plurality of prescribed shapes of
wobbles;
the first track groove includes a plurality of prescribed shapes of wobbles different from the plurality of prescribed shapes
of wobbles of the second track groove;
address information of the recording/reproduction area is represented by a combination of the plurality of prescribed shapes
of wobbles of the first track groove; and
the second track groove has a larger track pitch than that of the first track groove.
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