Patent Number: 6,310,847

Title: Optical disc, and reading system and manufacturing method of the disc

Abstract: A writable optical disc has an information writing track, and a guiding track for introducing a laser beam to the information writing track. The guiding track has prepit information recorded thereon, the prepit information including at least address information of the optical disc. The prepit information is recorded on the guiding track at a position where interference of adjacent guiding tracks with the prepit information is prevented. The information writing track is a groove track, and the guiding track is a land track.

Inventors: Kuroda; Kazuo (Saitama-ken, JP), Suzuki; Toshio (Saitama-ken, JP), Muramatsu; Eiji (Saitama-ken, JP)

Assignee: Pioneer Electronic Corporation

International Classification: G11B 7/005 (20060101); G11B 27/24 (20060101); G11B 27/19 (20060101); G11B 27/30 (20060101); G11B 7/13 (20060101); G11B 7/00 (20060101); G11B 7/007 (20060101); G11B 7/09 (20060101); G11B 7/26 (20060101); G11B 007/00 ()

Expiration Date: 10/30/2018