| 摘要 |
FIELD: informational recording environment. ^ SUBSTANCE: informational recording environment has user data areas and additional data areas, and also synchronizing combinations to differentiate between user data areas and additional data areas. Informational recording environment includes user data area, where user data are recorded, and additional data area, positioned at least in one of the areas in front of and after the user data area. Second synchronizing combinations, used in the area of additional data, are different from first synchronizing combinations which are used in user data area. ^ EFFECT: increased efficiency. ^ 2 cl, 4 dwg |
