JP2000200418A5 - - Google Patents

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JP2000200418A5
JP2000200418A5 JP1999313657A JP31365799A JP2000200418A5 JP 2000200418 A5 JP2000200418 A5 JP 2000200418A5 JP 1999313657 A JP1999313657 A JP 1999313657A JP 31365799 A JP31365799 A JP 31365799A JP 2000200418 A5 JP2000200418 A5 JP 2000200418A5
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Japan
Prior art keywords
position information
jitter
recording pulse
trial writing
trial
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JP1999313657A
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JP2000200418A (en
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Priority to JP11313657A priority Critical patent/JP2000200418A/en
Priority claimed from JP11313657A external-priority patent/JP2000200418A/en
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【特許請求の範囲】
【請求項1】マーク長とスペース長の可能な複数の組合せに対し、それぞれについて記録パルスの位置情報を特定した記録パルス標準条件が予め記録されている光ディスクから該記録パルス標準条件を読み出し、最適な記録パルス条件を求める方法であって、
該記録パルス標準条件を用いて光ディスク上に試し書きを行い、
さらに、該記録パルス標準条件にあるマーク長とスペース長の組合せに対する位置情報に一律に所定量の変化を加え、一律変化した位置情報を用いて、光ディスク上に複数の試し書きを行い、
すべての試し書きを再生し、再生信号から各ジッタを検出し、前記各ジッタを比較し、ジッタが少ない試し書きに用いた位置情報を選択する記録パルス条件を求める方法。
【請求項2】 前記所定量が前記複数の試し書きごとに異なる、請求項1記載の記録パルス条件を求める方法。
【請求項3】該記録パルス標準条件を用いて、光ディスク上に第1の試し書きを行い、
前記第1の試し書きを再生し、再生信号から第1ジッタを検出し、
該記録パルス標準条件にあるマーク長とスペース長の組合せに対する位置情報に一律に所定量の変化を加え、一律変化した位置情報を用いて、光ディスク上に第2の試し書きを行い、
前記第2の試し書きを再生し、再生信号から第2ジッタを検出し、
前記第1ジッタと前記第2ジッタを比較し、ジッタが少ない方の試し書きに用いた位置情報を選択する請求項1記載の記録パルス条件を求める方法。
【請求項4】マーク長とスペース長の可能な複数の組合せに対し、それぞれについて記録パルスの位置情報を特定した記録パルス標準条件が予め記録されている光ディスクから該記録パルス標準条件を読み出し、最適な記録パルス条件を求める方法であって、
該記録パルス標準条件を用いて光ディスク上に試し書きを行い、
さらに、該記録パルス標準条件にあるマーク長とスペース長の組合せの内、少なくとも一つの組合せに対する位置情報に所定量の変化を加え、変化した位置情報を用いて、光ディスク上に複数の試し書きを行い、
すべての試し書きを再生し、再生信号から各ジッタを検出し、前記各ジッタを比較し、ジッタが少ない試し書きに用いた位置情報を選択する記録パルス条件を求める方法。
【請求項5】 前記所定量が前記複数の試し書きごとに異なる、請求項4記載の記録パルス条件を求める方法。
【請求項6】該記録パルス標準条件を用いて、光ディスク上に第1の試し書きを行い、
前記第1の試し書きを再生し、再生信号から第1ジッタを検出し、
該記録パルス標準条件にあるマーク長とスペース長の組合せの内、少なくとも一つの組合せに対する位置情報に第1所定量の変化を加え、変化した位置情報を用いて、光ディスク上に第2の試し書きを行い、
前記第2の試し書きを再生し、再生信号から第2ジッタを検出し、
前記第1ジッタと前記第2ジッタを比較し、ジッタが少ない方の試し書きに用いた位置情報を選択する請求項4記載の記録パルス条件を求める方法。
【請求項7】選択した第1の位置情報と、別の選択した第2の位置情報がある場合、2つの間にある位置情報は、第1の位置情報と,第2の位置情報の補間により求める請求項4記載の記録パルス条件を求める方法。
【請求項8】マーク長とスペース長の可能な複数の組合せに対し、それぞれについて記録パルスの位置情報を特定した記録パルス標準条件が予め記録されている光ディスクから該記録パルス標準条件を読み出し、最適な記録パルス条件を求める光ディスク装置であって、
該記録パルス標準条件を用いて、光ディスク上に試し書きを行い、
さらに、該記録パルス標準条件にあるマーク長とスペース長の組合せに対する位置情報に一律に所定量の変化を加え、一律変化した位置情報を用いて、光ディスク上に複数の試し書きを行う試し書き手段と、
すべての試し書きを再生し、再生信号から各ジッタを検出するジッタ検出手段と、
前記各ジッタを比較し、ジッタが少ない試し書きに用いた位置情報を選択する選択手段
を有する光ディスク装置。
【請求項9】 前記所定量が前記複数の試し書きごとに異なる、請求項8記載の光ディスク装置。
【請求項10】該記録パルス標準条件を用いて、光ディスク上に第1の試し書きを行う試し書き手段と、
前記第1の試し書きを再生し、再生信号から第1ジッタを検出するジッタ検出手段とを有し、
前記試し書き手段は、該記録パルス標準条件にあるマーク長とスペース長の組合せに対する位置情報に一律に第1所定量の変化を加え、一律変化した位置情報を用いて、光ディスク上に第2の試し書きを行い、
前記ジッタ検出手段は、前記第2の試し書きを再生し、再生信号から第2ジッタを検出し、
さらに、前記第1ジッタと前記第2ジッタを比較し、ジッタが少ない方の試し書きに用いた位置情報を選択する選択手段
を有する請求項8記載の光ディスク装置。
【請求項11】マーク長とスペース長の可能な複数の組合せに対し、それぞれについて記録パルスの位置情報を特定した記録パルス標準条件が予め記録されている光ディスクから該記録パルス標準条件を読み出し、最適な記録パルス条件を求める光ディスク装置であって、
該記録パルス標準条件を用いて、光ディスク上に試し書きを行い、さらに、該記録パルス標準条件にあるマーク長とスペース長の組合せの内、少なくとも一つの組合せに対する位置情報に所定量の変化を加え、変化した位置情報を用いて、光ディスク上に複数の試し書きを行う試し書き手段と、
すべての試し書きを再生し、再生信号から各ジッタを検出するジッタ検出手段と、
前記各ジッタを比較し、ジッタが少ない試し書きに用いた位置情報を選択する選択手段
を有する光ディスク装置。
【請求項12】 前記所定量が前記複数の試し書きごとに異なる、請求項11記載の光ディスク装置。
【請求項13】該記録パルス標準条件を用いて、光ディスク上に第1の試し書きを行う試し書き手段と、
前記第1の試し書きを再生し、再生信号から第1ジッタを検出するジッタ検出手段とを有し、
前記試し書き手段は、該記録パルス標準条件にあるマーク長とスペース長の組合せに対する位置情報に一律に第1所定量の変化を加え、一律変化した位置情報を用いて、光ディスク上に第2の試し書きを行い、
前記ジッタ検出手段は、前記第2の試し書きを再生し、再生信号から第2ジッタを検出し、
さらに、前記第1ジッタと前記第2ジッタを比較し、ジッタが少ない方の試し書きに用いた位置情報を選択する選択手段
を有する請求項11記載の光ディスク装置。
【請求項14】選択した第1の位置情報と、別の選択した第2の位置情報がある場合、2つの組合せの間にある位置情報は、第1の位置情報と,第2の位置情報の補間により求める請求項11記載の光ディスク装置。
[Claims]
1. Optimal by reading out the recording pulse standard condition from an optical disk in which the recording pulse standard condition for which the position information of the recording pulse is specified is recorded in advance for a plurality of possible combinations of the mark length and the space length. It is a method to obtain various recording pulse conditions.
Trial writing is performed on an optical disc using the recording pulse standard conditions.
Further, a predetermined amount of change is uniformly applied to the position information for the combination of the mark length and the space length under the recording pulse standard condition, and a plurality of trial writings are performed on the optical disk using the uniformly changed position information.
Play back all test writes, detect each jitter from the playback signal,SaidA method of comparing each jitter and obtaining the recording pulse condition for selecting the position information used for the trial writing with less jitter.
2. The method for obtaining a recording pulse condition according to claim 1, wherein the predetermined amount is different for each of the plurality of trial writings.
3. A first trial writing is performed on an optical disc using the recording pulse standard condition.
SaidPlay the first test writing, detect the first jitter from the playback signal,
A predetermined amount of change is uniformly applied to the position information for the combination of the mark length and the space length under the recording pulse standard condition, and the second trial writing is performed on the optical disk using the uniformly changed position information.
SaidPlay the second trial writing, detect the second jitter from the playback signal,
SaidWith the first jitterSaidCompare the second jitter and select the position information used for the trial writing with the smaller jitter.1.A method for obtaining recording pulse conditions.
4. For a plurality of possible combinations of mark length and space length, the recording pulse standard condition is read out from an optical disk in which the recording pulse standard condition for which the position information of the recording pulse is specified is recorded in advance, and the optimum condition is obtained. It is a method to obtain various recording pulse conditions.
Trial writing is performed on an optical disc using the recording pulse standard conditions, and the test writing is performed.
Further, a predetermined amount of change is added to the position information for at least one combination of the mark length and the space length in the recording pulse standard condition, and a plurality of trial writings are written on the optical disk using the changed position information. Do,
Play back all test writes, detect each jitter from the playback signal,SaidA method of comparing each jitter and obtaining the recording pulse condition for selecting the position information used for the trial writing with less jitter.
5. The method for obtaining a recording pulse condition according to claim 4, wherein the predetermined amount is different for each of the plurality of trial writings.
6. Using the recording pulse standard condition, a first trial writing is performed on an optical disk.
SaidPlay the first test writing, detect the first jitter from the playback signal,
A first predetermined amount of change is added to the position information for at least one combination of the mark length and the space length in the recording pulse standard condition, and the changed position information is used to write a second trial on the optical disk. And
SaidPlay the second trial writing, detect the second jitter from the playback signal,
SaidWith the first jitterSaidCompare the second jitter and select the position information used for the trial writing with the smaller jitter.4.A method for obtaining recording pulse conditions.
7. If there is a selected first position information and another selected second position information, the position information between the two is an interpolation of the first position information and the second position information. The method for obtaining the recording pulse condition according to claim 4.
8. For a plurality of possible combinations of mark length and space length, the recording pulse standard condition is read out from an optical disk in which the recording pulse standard condition for which the position information of the recording pulse is specified is recorded in advance, and the optimum condition is obtained. An optical disc device that obtains various recording pulse conditions.
Using the recording pulse standard conditionLightMake a trial write on the disc and
Further, a trial writing means for uniformly applying a predetermined amount of change to the position information for the combination of the mark length and the space length under the recording pulse standard condition and performing a plurality of trial writing on the optical disk using the uniformly changed position information. When,
Jitter detection means that reproduces all trial writing and detects each jitter from the reproduced signal,
Selection means for comparing each of the above jitters and selecting the position information used for the trial writing with less jitter.When
Optical disk device.
9. The optical disk device according to claim 8, wherein the predetermined amount is different for each of the plurality of trial writings.
10. A trial writing means for performing a first trial writing on an optical disc using the recording pulse standard condition.
SaidIt has a jitter detecting means for reproducing the first trial writing and detecting the first jitter from the reproduced signal.
SaidThe trial writing means uniformly applies a first predetermined amount of change to the position information for the combination of the mark length and the space length under the recording pulse standard condition, and uses the uniformly changed position information to perform a second trial on the optical disc. Write and
SaidJitter detection meansSaidPlay the second trial writing, detect the second jitter from the playback signal,
further,SaidWith the first jitterSaidSelection means for comparing the second jitter and selecting the position information used for the trial writing with the smaller jitterWhen
Have8.Optical disk device.
11. The optimum recording pulse standard condition is read out from an optical disc in which a recording pulse standard condition that specifies the position information of the recording pulse is recorded in advance for a plurality of possible combinations of the mark length and the space length. An optical disc device that obtains various recording pulse conditions.
A trial writing is performed on an optical disc using the recording pulse standard condition, and a predetermined amount of change is added to the position information for at least one combination of the mark length and the space length in the recording pulse standard condition. , A trial writing means for performing multiple trial writing on an optical disc using the changed position information,
Jitter detection means that reproduces all trial writing and detects each jitter from the reproduced signal,
Selection means for comparing each of the above jitters and selecting the position information used for the trial writing with less jitter.When
Optical disk device.
12. The optical disk device according to claim 11, wherein the predetermined amount is different for each of the plurality of trial writings.
13. A trial writing means for performing a first trial writing on an optical disc using the recording pulse standard condition.
SaidIt has a jitter detecting means for reproducing the first trial writing and detecting the first jitter from the reproduced signal.
SaidThe trial writing means uniformly applies a first predetermined amount of change to the position information for the combination of the mark length and the space length under the recording pulse standard condition, and uses the uniformly changed position information to perform a second trial on the optical disc. Write and
SaidJitter detection meansSaidPlay the second trial writing, detect the second jitter from the playback signal,
further,SaidWith the first jitterSaidSelection means for comparing the second jitter and selecting the position information used for the trial writing with the smaller jitterWhen
Have11.Optical disk device.
14. If there is a selected first position information and another selected second position information, the position information between the two combinations is the first position information and the second position information. The optical disk apparatus according to claim 11, which is obtained by interpolation of.

JP11313657A 1998-11-06 1999-11-04 Method and apparatus for determining recording pulse condition of optical disk Pending JP2000200418A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11313657A JP2000200418A (en) 1998-11-06 1999-11-04 Method and apparatus for determining recording pulse condition of optical disk

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP10-315885 1998-11-06
JP31588598 1998-11-06
JP11313657A JP2000200418A (en) 1998-11-06 1999-11-04 Method and apparatus for determining recording pulse condition of optical disk

Related Child Applications (1)

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JP2009024547A Division JP4553968B2 (en) 1998-11-06 2009-02-05 Method and apparatus for determining recording pulse condition of optical disc

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JP2000200418A JP2000200418A (en) 2000-07-18
JP2000200418A5 true JP2000200418A5 (en) 2006-11-02

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Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3820856B2 (en) 2000-08-07 2006-09-13 ヤマハ株式会社 Optical disk recording device
JP4560251B2 (en) * 2001-09-10 2010-10-13 パイオニア株式会社 Information recording apparatus and information recording method
WO2003088221A1 (en) 2002-04-03 2003-10-23 Matsushita Electric Industrial Co., Ltd. Optical information device, optical storage medium, optical storage medium inspection device, and optical storage inspection method
DE60315239T2 (en) 2002-11-21 2008-04-17 Matsushita Electric Industrial Co., Ltd., Kadoma Method and apparatus for adjusting a recording pulse using data from the user field of an optical disk.
US7038869B2 (en) 2003-04-14 2006-05-02 Matsushita Electric Industrial Co., Ltd. Recording control apparatus, recording and reproduction apparatus, and recording control method
JP4421448B2 (en) 2003-12-04 2010-02-24 シャープ株式会社 Recording condition setting method and setting apparatus, recording / reproducing apparatus, recording condition setting program, and recording medium
JP4216204B2 (en) 2004-01-30 2009-01-28 シャープ株式会社 Optical recording condition setting method, optical recording / reproducing apparatus, control program, and recording medium
WO2006112277A1 (en) 2005-04-14 2006-10-26 Matsushita Electric Industrial Co., Ltd. Method for optimizing recording pulse condition in data recording to optical information recording medium
EP1909280A4 (en) * 2005-07-15 2009-04-15 Panasonic Corp RECORDING / REPRODUCING DEVICE, REPRODUCTION CONDITION ADAPTING DEVICE, AND RECORDING / REPRODUCING METHOD
JP4685745B2 (en) * 2006-10-23 2011-05-18 株式会社日立製作所 Recording method and optical disk apparatus using the same
MX2010011641A (en) 2008-10-09 2010-11-25 Panasonic Corp Optical recording method, optical recording device, master medium exposure device, optical information recording medium, and reproducing method.
WO2010067496A1 (en) 2008-12-09 2010-06-17 パナソニック株式会社 Optical recording method, optical recording device, master medium exposure device, optical information recording medium, and reproducing method
JP2011018388A (en) 2009-07-07 2011-01-27 Sony Corp Recording and reproducing device, method of adjusting laser drive pulse

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