Disc recording/reproducing device and disc...

Details Disc recording/reproducing device and disc... Disc recording/reproducing device and disc...

2005-12-27

2005-12-27

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

06980502

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 to 0D 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.

REFERENCES:
patent: 507341 (1992-10-01), None
patent: 613136 (1994-08-01), None
patent: 63-91880 (1988-04-01), None
patent: 11-120707 (1999-04-01), None
patent: 2001-43635 (2001-02-01), None
patent: 2002-15549 (2002-01-01), None

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