Title:
OPTICAL RECORDING DISK
Document Type and Number:
Japanese Patent JPS6472380
Kind Code:
A
Abstract:
PURPOSE:To surely reproduce a desired mode by recording the mode discriminating information to a disk itself. CONSTITUTION:The titled disk is provided with mode discriminating information which can be read by a reproducing device being able to reproduce plural modes. That is, in a CD 1, a mode discriminating signal M1 which can discriminate a music clock mode reproducing CD, a season discriminating signal M2 which can discriminate which melody is used for which season, and a reproducing time discriminating signal M3 which can discriminate which melody is used for which time are recorded by utilizing R-W channels of a lead-in area. In such a way, by integrating a disk into the reproducing device, the reproducing device can execute the reproduction of a desired mode automatically.
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Inventors:
SUGAYA SHOJI
TAMURA YUTAKA
OTSUKI NAOZO
SHIRAISHI HIROBUMI
TAMURA YUTAKA
OTSUKI NAOZO
SHIRAISHI HIROBUMI
Application Number:
JP22998787A
Publication Date:
March 17, 1989
Filing Date:
September 14, 1987
Export Citation:
Assignee:
SANYO ELECTRIC CO
International Classes:
G11B27/10; G11B7/00; G11B7/004; G11B7/24; G11B19/00; G11B19/02; G11B19/12; G11B19/16; G11B23/36; G11B23/38; (IPC1-7): G11B7/00; G11B19/02; G11B23/36
Domestic Patent References:
| JP59094242B |
Attorney, Agent or Firm:
Masamasa Shibano