Method and apparatus to increase storage capacity of an...

Details Method and apparatus to increase storage capacity of an... Method and apparatus to increase storage capacity of an...

2006-06-05

2010-11-30

Young, Wayne R (Department: 2627)

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Control of information signal processing channel

C369S053340

Reexamination Certificate

active

07843782

ABSTRACT:
A system for increasing storage capacity of an optical medium includes a demodulator module and a writing module. The demodulator module demodulates a wobble signal having a wobble period of N channel bits, has a demodulating period of M channel bits, and generates a phase error signal, where N and M are integers greater than 1, and M is greater than N. The writing module writes M bits on the optical medium during the wobble period of the N channel bits based on the phase error signal.

REFERENCES:
patent: 2005/0068866 (2005-03-01), Serrano et al.
patent: 2005/0078583 (2005-04-01), Suryono et al.
patent: 2006/0187775 (2006-08-01), Yin et al.
Blu-ray Disc; White Paper Blue-ray Disc Format; 1.A Physical Format; Specifications for BD-RE; 2nd Editiion; Feb. 2006; 33 pages.
ECMA International; Standard ECMA-337; 2nd Edition/Dec. 2003; Data Interchange on 120 mm and 80 mm Optical Disk using +RW Format—Capacity: 4,7 and 1,46 Gbytes per Side (Recording speed up to 4X); 132 pages.
Standard ECMA-338; Dec. 2002; ECMA Standardizing Information and Communication Systems; 80 mm (1,46 Gbytes per side) and 120 mm (4.70 Gbytes per side) DVD Re-recordable Disk (DVD-RW); 159 pages.
ECMA International; Standard ECMA-359; 1st Edition/ Dec. 2004; 80 mm (1,46 Gbytes per side) and 120 mm (4,70 Gbytes per side) DVD Recordable Disk (DVD-R); 141 pages.
ECMA International; Standard ECMA-349; 2nd Edition; Jun. 2004; Data Interchange on 120 mm and 80 mm Optical Disk using +R Format—Capacity: 4.7 and 1,46 Gbytes per Side (Recording speed up to 8X); 148 pages.

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