Patent Number: 7,821,894

Title: Method and apparatus for recording information onto and reproducing information from a recording medium and managing a defective area in a recording medium

Abstract: The method and apparatus can register defective areas in a recording medium not having a dedicated sparing area. A data recording area and a sparing area are not preliminarily divided. When a defective area is found, data is transferred to another area in the recording area, and the defective area is registered as being in a recorded state in a table for managing the recorded state in each of the recording areas.

Inventors: Shimma; Naoki (Kawasaki, JP)

Assignee: Canon Kabushiki Kaisha

International Classification: G11B 7/00 (20060101)

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