Back to results
US 7,068,586 B2Granted
Optical disk
AssigneeRicoh Company, Ltd.
InventorHiroshi Koide
Life of this patent
Estimating the term…
Abstract
The optical disk is a data-writable optical disk and it has a defect processing selection area. Data indicating whether a defect processing is to be executed or not, or data indicating whether the defect processing is to be executed using a disk drive or using a computer is stored in the defect processing selection area. The address of this defect processing selection area is recorded by making the use of a wobbled guide groove.
Claims10
An optical disk, which optical disk is a data-writable one, comprising:
- an optical disk format that enables defect processing by a plurality of methods and controlled by one of a disk drive and a computer;
- and
- a defect processing selection area formatted to contain data indicating that a defect processing is to be executed and which of either the disk drive or the computer is to control the defect processing.
Dependencies are inferred from the claim text.