Multi-layered recording medium, and method and apparatus for recording data
AssigneeLG Electronics Inc.
InventorSang Woon Suh
Life of this patent
Estimating the term…
Abstract
A multi-layered recording medium, and a method and apparatus for recording data in the recording medium are disclosed. A multi-layered recording medium, each of which includes an inner area, a data area, and an outer area, includes: first layer having at least a test area assigned to the inner area; and second layer having at least a management area assigned to the inner area, wherein the test area in the first layer is not physically located at the same location as the management area assigned to the second layer adjacent to the first layer with respect to an incident beam.
Claims18
A multi-layered recording medium, each of which includes an inner area, a data area, and an outer area, comprising:
- a first layer having at least a first test area and a control information area assigned to the inner area, said control information area being embossed in the form of wobbles;
- and
- a second layer having at least a second test area and a management area assigned to the inner area,
- wherein the test area in the first layer is not physically located at the same location as the management area assigned to the second layer adjacent to the first layer with respect to an incident beam, and the control information area is physically located at the same location partially or entirely as the second test area in the second layer with respect to the incident beam.
A method for recording data in a multi-layered recording medium comprising:
- a) testing a record power in a first test area in a first layer or a second test area in a second layer, and determining an optimum record power;
- and
- b) recording data at the determined optimum record power, and recording a control information according to the data recording in a management area assigned to the first layer and/or a second layer adjacent to the first layer,
- wherein the first test area in the first layer is not physically located at the same location as the management area in the second layer with respect to an incident beam, a control data area embossed in the form of wobbles in the first layer is physically located at the same location partially or entirely as the second test area in the second layer with respect to the incident beam.
An apparatus for recording data in a recording medium comprising:
- a pickup unit configured to record data in the recording medium:
- and
- a control unit configured to control the pickup unit to test a record power in a first test area of a first layer or a second test area of a second layer contained in the recording medium, to determine an optimum record power based on the test, to control the pickup unit to record data at the determined optimum record power, and to control the pickup unit to record a control information according to the data recording in a management area assigned to the first layer or the second layer adjacent to the first layer,
- wherein the first test area in the first layer is not physically located at the same location as the management area in the second layer with respect to an incident beam, a control data area embossed in the form of wobbles in the first layer is physically located at the same location partially or entirely as the second test area in the second layer with respect to the incident beam.
Dependencies are inferred from the claim text.