JP2005182875A5

JP2005182875A5 -

Info

Publication number: JP2005182875A5
Application number: JP2003419504A
Authority: JP
Filing date: 2003-12-17
Publication date: 2005-11-04
Anticipated expiration: 2023-12-17

Claims

An optical information recording / reproducing apparatus for recording and / or reproducing information on an optical information recording medium,
Reading test conditions pre-recorded on the optical information recording medium, and based on the recording conditions, test record recording condition setting means for setting the recording conditions for the test writing recording operation;
Instructing the test writing recording operation to be performed in accordance with the test recording condition set by the test recording condition setting means, and after performing the test writing recording operation, detecting a signal reproduced from the test writing recording, First recording condition setting means for detecting and setting a first recording condition based on a first threshold for the reproduction signal;
A second recording condition setting means for performing a predetermined calculation process on the first recording condition set by the first recording condition setting means and setting a second recording condition;
Third recording condition setting means for performing a predetermined calculation process on the second recording condition set by the second recording condition setting means and setting a third recording condition;
Instructing to perform a test writing recording operation according to the third recording condition set by the third recording condition setting means, and after the test writing recording operation is performed, a signal reproduced from the test writing recording is detected, A third recording condition determining means for determining whether the third recording condition is good or not based on a second threshold for the reproduction signal;
An optical information recording / reproducing apparatus comprising: an optimum recording condition setting unit that sets the second recording condition as an optimum recording condition when the third recording condition judging unit determines that the second recording condition is good.

2. The optical information recording / reproducing apparatus according to claim 1, wherein the first recording condition is a recording condition on an upper limit side and / or a recording condition on a lower limit side of the margin.

The predetermined calculation process performed by the second recording condition setting means is a process of multiplying the first recording condition by a predetermined coefficient, a process of adding a predetermined amount to the first recording condition, or the first recording condition The optical information recording / reproducing apparatus according to claim 1, wherein a predetermined amount is subtracted from the optical information recording / reproducing apparatus.

The predetermined calculation process performed by the third recording condition setting means is a process of setting the third recording condition to a recording condition on the upper limit side of the margin and / or a recording condition on the lower limit side of the margin. Item 4. The optical information recording / reproducing apparatus according to Item 1.

The predetermined calculation process performed by the third recording condition setting means is a process of multiplying the second recording condition by a predetermined coefficient, a process of adding a predetermined amount to the second recording condition, or the second recording condition The optical information recording / reproducing apparatus according to claim 1, wherein a predetermined amount is subtracted from the optical information recording / reproducing apparatus.

The optical information recording / reproducing apparatus according to claim 1, wherein the first threshold value is set in a direction in which a reproduction signal is further deteriorated as compared with the second threshold value.

The second recording condition setting means further detects a signal reproduced from the trial writing recording after the trial writing recording operation is performed according to the set second recording condition, and sets the third threshold for the reproduced signal. The optical information recording / reproducing apparatus according to claim 1, wherein the quality of the second recording condition is judged based on the judgment.

8. The optical information recording / reproducing apparatus according to claim 7, wherein the third threshold value is set in a direction in which the reproduction signal is improved compared to the second threshold value.

9. The optical information recording according to claim 1, wherein the recording condition includes a plurality of recording parameters, and the trial writing recording operation uses at least one recording parameter. Playback device.

When the first recording condition is not detected by the first recording condition setting unit, the second recording condition is not set by the second recording condition setting unit, When the third recording condition is not set by the setting means, or when the third recording condition is determined not to be good by the third recording condition determining means, the test writing operation is used in any case. 10. The optical information recording / reproducing apparatus according to claim 9, wherein a change is made to at least one recording parameter that is not set to set a recording condition for a test writing recording operation.

A control program for operating the optical information recording / reproducing apparatus according to any one of claims 1 to 10, wherein the control program causes a computer to function as each of the means.

The computer-readable recording medium which recorded the control program of Claim 11.

An optical information recording method for recording and / or reproducing information on an optical information recording medium,
A test record recording condition setting step of reading a recording condition recorded in advance on the optical information recording medium, and setting a recording condition for a test writing recording operation based on the recording condition;
After the trial writing recording operation is performed in accordance with the trial recording condition set in the trial recording condition setting step, a signal obtained by reproducing the trial writing recording is detected, and based on the first threshold for the reproduction signal, A first recording condition setting step for detecting and setting a first recording condition;
For the first recording condition set in the first recording condition setting step, a second recording condition setting step for performing a predetermined calculation process and setting a second recording condition;
For the second recording condition set in the second recording condition setting step, a third calculation condition setting step for performing a predetermined calculation process and setting a third recording condition;
After the trial writing recording operation is performed according to the third recording condition set in the third recording condition setting step, a signal obtained by reproducing the trial writing recording is detected, and based on the second threshold for the reproduction signal, A third recording condition determination step for determining the quality of the third recording condition;
An optical information recording method comprising: an optimum recording condition setting step of setting the second recording condition as an optimum recording condition when it is judged good by the third recording condition judging step.