Dynamic information storage or retrieval – Binary pulse train information signal – Format arrangement processing for auxiliary information
Reexamination Certificate
2006-01-24
2006-01-24
Hindi, Nabil (Department: 2655)
Dynamic information storage or retrieval
Binary pulse train information signal
Format arrangement processing for auxiliary information
C369S275300, C369S047270
Reexamination Certificate
active
06990057
ABSTRACT:
In a disc drive device (10) described as a specific embodiment of the present invention, AC0to AC14of ADIP cluster address are associated with address bits AU6to AU20of an address unit. On the basis of 8-bit sector address on the lower side of cluster address arranged in ADIP address of a conventional MD, 0/1 representing sector address FC to0D of a former-half cluster and sector address0E to1F of a latter-half cluster of a sector of a next-generation MD(1) is associated with address bit AU5of the address unit. To a part (110) of 4 address bits AU4to AU1below this, 4 bits representing individual parts obtained by equally dividing one recording block by 16 are allocated. Thus, a higher-density data volume can be handled without causing any inconvenience while utilizing an existing recording format.
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