Title:
DISK-TYPE RECORDING MEDIUM AND RECORDING AND REPRODUCING APPARATUS
Document Type and Number:
Japanese Patent JP3674629
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an information recording and reproducing system in which stable signal quality is ensured and stable reproduction is performed at all recording positions of inner and outer peripheries, and which has high reliability and a large capacity.
SOLUTION: A recording region of a disk-type recording medium 1 is sectioned to a plurality of zones 2a-2f being adjacent radially and successively, a clock for recording and reproducing is allotted for every zone of zones 2a-2f, recording/reproducing of data is performed by clocks allotted for every zone of zones 2a-2f.
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Inventors:
Takahisa Shimizu
Shinichi Arai
Takuya Mizogami
Takeshi Maeda
Atsushi Saito
Shinichi Arai
Takuya Mizogami
Takeshi Maeda
Atsushi Saito
Application Number:
JP2004081906A
Publication Date:
July 20, 2005
Filing Date:
March 22, 2004
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
G11B20/10; G11B7/004; G11B7/007; G11B20/12; G11B20/14; (IPC1-7): G11B7/007; G11B7/004; G11B20/10; G11B20/12
Domestic Patent References:
| JP2273330A | ||||
| JP61175968A | ||||
| JP59186138A |
Attorney, Agent or Firm:
Yasuo Sakuta