Patent Number: 7,823,032

Title: Data recording/reproduction for write-once discs

Abstract: The recording method of the present invention includes the steps of: receiving a write instruction which specifies at least a logical sector in which data is to be written; determining whether the logical sector corresponds to a recorded physical sector or an unrecorded physical sector; when it is determined that the logical sector corresponds to an unrecorded physical sector, writing the data into the unrecorded physical sector, determining whether a verification of the data which has been written into a physical sector is successful, if the verification of the data that has been written is not successful, writing the data into an unrecorded physical sector, generating a remapping table including remapping information which remaps an original address of the physical sector corresponding to the logical sector to a remapping address of the selected physical sector, and writing the remapping table on the write-once disc.

Inventors: Ghotge; Vishal V. (Seattle, WA), Thind; Ravinder S (Kirkland, WA), Gotoh; Yoshiho (Osaka, JP), Nagar; Rajeev Y. (Sammamish, WA), Buban; Garret J. (Carnation, WA), Havewala; Sarosh C. (Redmond, WA)

Assignee: Panasonic Corporation

International Classification: G06F 11/00 (20060101); G11B 7/00 (20060101)

Expiration Date: 2018-10-26 0:00:00