Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
OPTICAL DISK, OPTICAL DISK RECORDING AND REPRODUCING METHOD, AND OPTICAL DISK RECORDING AND REPRODUCING DEVICE
Document Type and Number:
Japanese Patent JP3931558
Kind Code:
B
Abstract:

PROBLEM TO BE SOLVED: To obtain address information in a recording block (an ECC block) by combining prepit synchronous signals of land prepits and prepit data.
SOLUTION: The tracks paired with wobbled grooves 3 and lands 4 existing between the adjacent grooves 3 are spirally or concentrically formed and auxiliary information to the information signals to be recorded in the grooves 3 are previously formed as the prepits 5 on the lands 4. When the recording block units are allocated to the information signals in correspondence to the prescribed number of the land prepits 5, the land prepits 5 constitute the prepit synchronous signals within the recording block units and the prepit data of pit strings and the prepit synchronous signals have plural kinds of synchronous signal patterns.


Inventors:
Hosoda, Atsushi
Mochizuki, Masaki
Application Number:
JP2000000374462
Publication Date:
March 23, 2007
Filing Date:
December 08, 2000
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
VICTOR CO OF JAPAN LTD
International Classes:
G11B7/007; G11B7/24; G11B7/004; G11B20/10; G11B20/12; G11B20/14; G11B7/007; G11B7/24; G11B7/00; G11B20/10; G11B20/12; G11B20/14; (IPC1-7): G11B7/007; G11B7/004; G11B7/24; G11B20/10; G11B20/12; G11B20/14