JPH06103577A - Method for recording data for rewiritable optical disk - Google Patents
Method for recording data for rewiritable optical diskInfo
- Publication number
- JPH06103577A JPH06103577A JP25300192A JP25300192A JPH06103577A JP H06103577 A JPH06103577 A JP H06103577A JP 25300192 A JP25300192 A JP 25300192A JP 25300192 A JP25300192 A JP 25300192A JP H06103577 A JPH06103577 A JP H06103577A
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- Japan
- Prior art keywords
- data
- sector
- sectors
- replacement
- processing method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Signal Processing For Digital Recording And Reproducing (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、書換え形光ディスクの
データ記録方法に係り、より詳しくは、記録領域に欠陥
セクタを生じた場合の交替処理方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a data recording method for a rewritable optical disk, and more particularly to a replacement processing method when a defective sector is generated in a recording area.
【０００２】[0002]
【従来の技術】一般に、書換型又は追記型の光ディスク
は、ミクロンオーダーもしくはサブミクロンオーダーの
微細なプリフォーマットパターンが形成された基板の当
該プリフォーマットパターン形成面上に、ナノメータオ
ーダーの薄膜を１層又は多層に積層してなるので、全記
録領域を欠陥なく形成することは極めて困難であり、一
部に欠陥を含む場合の方がむしろ普通である。このた
め、書換型の光ディスクにおいては、使用開始前に記録
領域のサーティファイを行ない、データ記録を正常に行
なえない領域（欠陥セクタ）を予め調べ、欠陥セクタに
対するデータ記録を禁止する処理を施してから使用する
ようにしている。また、記録領域のサーティファイが不
可能な追記型の光ディスクにおいては、データ記録時
に、データ信号と共に誤り訂正用のコード（ＥＣＣ； E
rror Correcting Code）を記録し、ある程度記録データ
に誤りがあっても正しいデータを読みだせるようにして
いる。2. Description of the Related Art Generally, a rewritable or write-once type optical disk has one layer of a thin film of nanometer order on a surface of a substrate on which a fine preformat pattern of micron order or submicron order is formed. Alternatively, since the layers are laminated in multiple layers, it is extremely difficult to form the entire recording area without any defects, and it is more common to include some of the defects. For this reason, in a rewritable optical disc, the recording area is certified before use, and the area (defective sector) where data recording cannot be performed normally is checked in advance, and after the data recording to the defective sector is prohibited, I am trying to use it. In addition, in the write-once type optical disc in which the certification of the recording area is impossible, the error correction code (ECC; E
rror Correcting Code) is recorded so that correct data can be read even if there is an error in the recorded data to some extent.
【０００３】しかし、かかる欠陥セクタ対策を行なった
としても、記録膜の劣化等によって欠陥セクタが事後的
に発生したり、あるいは欠陥の程度が経時的に悪化した
りすることがあるので、これだけでは欠陥セクタ対策と
して不充分である。従来より、使用中に発生する欠陥セ
クタに対処するため、欠陥セクタに記録しようとしたデ
ータを他のセクタ（交替セクタ）に書き替える交替処理
が、光ディスクのデータ記録方法として採用されてい
る。従来より知られている交替処理方法には、欠陥セ
クタの次セクタにデータを交替処理する方法、データ
記録領域とは別に設けられた交替処理専用の領域に欠陥
セクタのデータを交替処理する方法、同時に複数セク
タずつデータを記録してゆき、記録した複数セクタ中に
欠陥セクタを含む場合、同時に記録された複数セクタの
次セクタに欠陥セクタのデータを交替処理する方法など
がある。However, even if such measures are taken against defective sectors, defective sectors may be generated afterwards due to deterioration of the recording film or the degree of defects may deteriorate with time. Insufficient as a measure against defective sectors. 2. Description of the Related Art Conventionally, in order to deal with a defective sector that occurs during use, a replacement process of rewriting data to be recorded in the defective sector into another sector (replacement sector) has been adopted as a data recording method for an optical disc. Conventionally known replacement processing methods include a method of replacing data in a sector next to a defective sector, a method of replacing data in a defective sector in an area dedicated to replacement processing provided separately from a data recording area, When data is recorded in a plurality of sectors at the same time and a defective sector is included in the recorded plural sectors, there is a method of replacing the defective sector data with a sector next to the simultaneously recorded plural sectors.
【０００４】前記の方法は、ヘッド装置を光ディスク
の半径方向に移動することなくデータの読みだしを行な
うことができるので、データの読みだしを高速に行なう
ことができるという利点を有するが、その反面、複数セ
クタを書き込んでいるときに書き込みセクタの途中で欠
陥セクタが検出されると、次セクタ以降のデータをずら
して書き込み直さなくてはならないので、データの書き
込みに時間がかかるという欠点がある。前記の方法
は、データの書き込み領域と交替セクタとが異なる領域
に分離されているので、欠陥セクタのデータのみを交替
セクタに書き直せば良く、前記のようにデータの書き
込みに時間がかかるという欠点はないが、その反面、ヘ
ッド装置を光ディスクの半径方向に移動しなくては交替
セクタの読みだしができないので、データの読みだしに
時間がかかるという欠点がある。前記の方法は、その
中間的な特徴を有する。The above method has the advantage that the data can be read out at high speed because the data can be read out without moving the head device in the radial direction of the optical disk. When writing a plurality of sectors, if a defective sector is detected in the middle of the writing sector, it is necessary to shift the data in the next sector and onward and rewrite the data. This has the disadvantage that it takes time to write the data. In the above method, since the data writing area and the replacement sector are separated into different areas, it is sufficient to rewrite only the data of the defective sector to the replacement sector, and as described above, there is a drawback that it takes time to write the data. However, on the other hand, the replacement sector cannot be read unless the head device is moved in the radial direction of the optical disk, and therefore there is a drawback that it takes time to read the data. The method described above has intermediate features.
【０００５】ところで、書換型光ディスクの使用態様と
して、書換型光ディスクをあたかも追記型光ディスクの
ように使用する仮想追記型光ディスクと呼称されるもの
がある。これは、例えばアプリケーション・プログラム
やデータベースなどのデータを書換型光ディスクにシー
ケンシャルに記録し、かつ一旦データを記録した後はデ
ータの書換えを行なわないといった使用方法であって、
少数枚の読みだし専用の光ディスクを迅速に作製したい
場合に用いられる。By the way, as a usage mode of the rewritable optical disc, there is one called a virtual write-once optical disc in which the rewritable optical disc is used as if it were a write-once optical disc. This is a usage method in which, for example, data such as an application program and a database is sequentially recorded on a rewritable optical disk, and the data is not rewritten once the data is once recorded,
It is used when a small number of read-only optical disks are to be manufactured quickly.
【０００６】[0006]
【発明が解決しようとする課題】書換型光ディスクは、
繰返しデータの消去と再書き込みとを行なうことができ
るから、一般的には、前記又はの交替処理方式がと
られる。ところが、仮想追記型光ディスクとして用いる
場合には、記録するデータの種類によって、ある程度書
き込み速度を犠牲にしてもデータの読みだしを高速に行
ないたい場合（前記の交替処理方法を採用することで
達成できる）、あるいは書き込み速度をそれほど低下す
ることなくデータの読みだしもある程度高速に行ないた
い場合（前記の交替処理方法を採用することで達成で
きる）のみならず、ある程度データの読みだし速度を犠
牲にしても書き込み速度を高速に行ないたい場合（前記
の交替処理方法を採用することで達成できる）もあ
る。The rewritable optical disc is
Since it is possible to repeatedly erase and rewrite data, the above-mentioned or alternative processing method is generally adopted. However, when it is used as a virtual write-once optical disc, depending on the type of data to be recorded, if it is desired to read the data at high speed even if the writing speed is sacrificed to some extent (this can be achieved by adopting the replacement processing method described above. ), Or when it is desired to read data at a relatively high speed without significantly lowering the writing speed (which can be achieved by adopting the above-mentioned alternation processing method), but at the expense of the data reading speed to some extent. There is also a case where it is desired to increase the writing speed (this can be achieved by adopting the above-mentioned replacement processing method).
【０００７】しかるに、従来の光ディスクドライブ装置
には、１種類の交替処理方法しか備えられていないた
め、記録するデータの種類によって最適な交替処理方法
を選択するといった使用方法をとることができない、と
いった不便がある。However, since the conventional optical disk drive apparatus is provided with only one type of replacement processing method, it cannot be used in such a manner that the optimum replacement processing method is selected according to the type of data to be recorded. There is inconvenience.
【０００８】本発明は、かかる従来技術の不都合を解消
するためになされたものであって、その目的は、記録す
るデータの種類によって最適なデータ書き込み速度又は
読みだし速度を得られる書換型光ディスクのデータ記録
方法を提供するにある。The present invention has been made in order to solve the disadvantages of the prior art, and an object thereof is to provide a rewritable optical disk capable of obtaining an optimum data writing speed or reading speed depending on the kind of data to be recorded. To provide a data recording method.
【０００９】[0009]
【課題を解決するための手段】本発明は、前記の目的を
達成するため、光ディスク又は光ディスクを回転可能に
収納するディスクカートリッジに付設されたＩＣメモリ
若しくは光ディスクのドライブ装置に付設されたＩＣメ
モリに、複数の交替処理方法を実行する複数のプログラ
ムを備えておき、ユーザがそれらのうちから適宜の交替
処理方法を選択できるようにした。In order to achieve the above object, the present invention provides an IC memory attached to an optical disc or a disc cartridge for rotatably storing the optical disc or an IC memory attached to a drive unit for the optical disc. A plurality of programs for executing a plurality of replacement processing methods are provided so that the user can select an appropriate replacement processing method from among them.
【００１０】[0010]
【作用】仮想追記型光ディスクは、書換型光ディスクを
用いて作製されるから、データの書換えを伴う交替処理
方法及びデータの書換えを伴わない交替処理方法のいず
れをも採用可能である。そこで、光ディスク又は光ディ
スクを回転可能に収納するディスクカートリッジに付設
されたＩＣメモリ若しくは光ディスクのドライブ装置に
付設されたＩＣメモリ等に複数の交替処理方法を実行す
る複数のプログラムを備えておくことによって、ユーザ
に適宜の交替処理方法を選択させることができる。した
がって、光ディスク等に書き込み速度優先の交替処理方
法を実行するプログラムと読みだし速度優先の交替処理
方法を実行するプログラムを備えておけば、必要に応じ
て書き込み速度の早いデータ記録又は読みだし速度の早
いデータ記録を実現でき、仮想追記型光ディスクの使い
勝手を格段に良くできる。Since the virtual write-once type optical disc is manufactured by using the rewritable type optical disc, it is possible to employ either the alternation processing method involving rewriting of data or the alternation processing method involving no data rewriting. Therefore, by providing a plurality of programs for executing a plurality of replacement processing methods in an IC memory attached to an optical disc or a disc cartridge that rotatably accommodates the optical disc or an IC memory attached to a drive device of the optical disc, The user can be made to select an appropriate replacement processing method. Therefore, if an optical disc or the like is provided with a program for executing the writing speed priority replacement processing method and a program for executing the reading speed priority replacement processing method, the data recording or reading speed of the writing speed can be increased as necessary. Data can be recorded quickly, and the virtual write-once optical disc can be much easier to use.
【００１１】[0011]
【実施例】以下、本発明の一実施例を図１〜図５に基づ
いて説明する。図１は光ディスクドライブ装置における
交替処理の手順を示すフローチャート、図２は交替処理
されたセクタのアドレス管理表の一例を示す表図、図３
は交替処理方法の第１例を示す説明図、図４は交替処理
方法の第２例を示す説明図、図５は交替処理方法の第３
例を示す説明図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a flowchart showing a procedure of a replacement process in the optical disk drive device, FIG. 2 is a table diagram showing an example of an address management table of the sector subjected to the replacement process, and FIG.
Is an explanatory diagram showing a first example of a replacement processing method, FIG. 4 is an explanatory diagram showing a second example of a replacement processing method, and FIG. 5 is a third replacement processing method.
It is explanatory drawing which shows an example.
【００１２】まず、本例における交替処理の手順を、図
１にしたがって説明する。交替処理が開始されると、ス
テップＳ−１で交替処理方法の選択が行なわれる。な
お、欠陥セクタの検出は、光ディスクにデータの書き込
みを行ない、書き込み直後に当該記録データの読みだし
を行ない、これら書き込みデータと読みだしデータとの
比較を行なって、正しいデータが読み出せないと判断さ
れた場合に開始される。この方法は、書換型又は追記型
の光ディスクで行なわれている通常の欠陥セクタ検出方
法である。交替処理方法の選択は、前記したように交替
処理方法によってデータの書き込み速度や読みだし速度
に差があることを考慮し、ユーザが記録しようとするデ
ータの種類に応じて適宜選択する。First, the procedure of the replacement process in this example will be described with reference to FIG. When the replacement process is started, a replacement process method is selected in step S-1. To detect defective sectors, write data to the optical disc, read the recorded data immediately after writing, and compare the write data with the read data to determine that correct data cannot be read. If started, it will be started. This method is a normal defective sector detection method performed on a rewritable or write-once optical disc. The selection of the replacement processing method is appropriately selected according to the type of data to be recorded by the user in consideration of the difference in the data writing speed and the reading speed depending on the replacement processing method as described above.
【００１３】例えば、ステップＳ−２の交替処理方法１
として前記の方法（欠陥セクタの次セクタにデータを
交替処理する方法）が備えられ、交替処理方法２として
前記の方法（データ記録領域とは別に設けられた交替
処理専用の領域に欠陥セクタのデータを交替処理する方
法）が備えられ、交替処理方法３として前記の方法
（同時に複数セクタずつデータを記録してゆき、記録し
た複数セクタ中に欠陥セクタを含む場合、同時に記録さ
れた複数セクタの次セクタに欠陥セクタのデータを交替
処理する方法）が備えられている場合において、データ
の書き込み速度をある程度犠牲にしても高速でデータの
読みだしを行ないたいという場合には、前記の方法が
選択される。逆に、データの読みだし速度をある程度犠
牲にしても高速でデータの書き込みを行ないたいという
場合には、前記の方法が選択される。さらに、データ
の書き込み速度をあまり犠牲にすることなくデータの読
みだしもある程度高速に行ないたいという場合には、前
記の方法が選択される。For example, the replacement processing method 1 in step S-2
As a replacement processing method 2, the above method (a method of replacing data in the sector next to the defective sector) is provided, and as a replacement processing method 2, the data of the defective sector is stored in a replacement processing dedicated area provided separately from the data recording area. Is used as the replacement processing method 3, and the replacement processing method 3 described above (when data is simultaneously recorded in a plurality of sectors at a time and a defective sector is included in the recorded plurality of sectors, the data is recorded next to the plurality of simultaneously recorded sectors. If a sector is equipped with a method of replacing data in a defective sector) and you want to read data at a high speed even if you sacrifice the data writing speed to some extent, the above method is selected. It On the contrary, when it is desired to write data at a high speed even if the data reading speed is sacrificed to some extent, the above method is selected. Further, when it is desired to read data at a high speed without sacrificing the data writing speed, the above method is selected.
【００１４】ステップＳ−２では、選択された交替処理
方法にしたがって、欠陥セクタの交替処理が行なわれ
る。この交替処理方法を実行するプログラムは、ドライ
ブ装置内に備えられたメモリに格納しておくこともでき
るし、データを記録しようとする光ディスクに記録して
おくこともできる。In step S-2, the defective sector replacement processing is performed according to the selected replacement processing method. The program for executing this replacement processing method can be stored in a memory provided in the drive device, or can be recorded in an optical disc on which data is to be recorded.
【００１５】次いでステップＳ−３にいって、欠陥セク
タに記録しようとしたデータが交替セクタに書き込ま
れ、ステップＳ−４で、当該交替セクタに書き込まれた
データの読みだしが行なわれ、ステップＳ−５で、交替
セクタに正しいデータが書き込まれたか否かの判断が行
なわれる。Next, in step S-3, the data to be recorded in the defective sector is written in the replacement sector, in step S-4, the data written in the replacement sector is read out, and in step S3. At -5, it is determined whether correct data has been written to the replacement sector.
【００１６】ステップＳ−５で、交替セクタに正しいデ
ータが書き込まれたと判断された場合には、光ディスク
上のセクタの配列（物理アドレス）と実際のデータの書
き込み順序（論理アドレス）とが異なることになるの
で、ステップＳ−６で、光ディスクの管理領域に記録さ
れた論理アドレスを変更して、書き込み順にデータが読
みだせるように処理した上で、動作を終了する。ステッ
プＳ−５で、交替セクタに正しいデータが書き込めなか
ったと判断された場合には、そのまま動作を終了する。
正しいデータの書き込みは、同一光ディスク内の別領域
にデータを書き直すか、あるいは光ディスクを交換する
ことによって行なわれる。If it is determined in step S-5 that correct data has been written in the replacement sector, the sector array (physical address) on the optical disk and the actual data writing order (logical address) are different. Therefore, in step S-6, the logical address recorded in the management area of the optical disc is changed so that the data can be read in the writing order, and then the operation is ended. If it is determined in step S-5 that the correct data could not be written in the replacement sector, the operation ends.
Correct writing of data is performed by rewriting data in another area within the same optical disc or by exchanging the optical disc.
【００１７】次に、前記，，の交替処理方法を図
３〜図５に基づいて説明すると共に、各交替処理方法を
実行した後に行なわれるアドレス管理表の論理アドレス
の変更方法について説明する。Next, the replacement processing method of the above, and will be described with reference to FIGS. 3 to 5, and the method of changing the logical address of the address management table performed after executing each replacement processing method will be described.
【００１８】図３は、前記の交替処理方法の説明図で
あって、０トラック−０セクタから以降がユーザ領域１
になっており、０トラック−０セクタからアドレス番号
の若い順にデータが書き込まれている。１０トラック−
５セクタに欠陥セクタ３を生じた場合、その次セクタす
なわち１０トラック−６セクタが交替セクタ４となっ
て、１０トラック−５セクタに記録しようとしたデータ
が書き込まれる。このとき、アドレス管理表には、図２
（Ａ）に示すように、欠陥セクタ３の物理アドレス（１
０トラック−５セクタ）と交替セクタ４の物理アドレス
（１０トラック−６セクタ）、それに交替セクタ４の論
理アドレス（５０６）が書き込まれ、光ディスクに対す
るデータの書き込み順序及び読みだし順序が管理され
る。かように論理アドレスは光ディスクに対する実際の
データ書き込み順序を表すから、１０トラック−７セク
タ以降の各セクタについては、物理アドレスから算出さ
れる０トラック−０セクタからのセクタ数よりも論理ア
ドレスが１つづつ少なくなる。したがって、１１トラッ
ク−５セクタに再度欠陥セクタを生じ、１１トラック−
６セクタに交替セクタが設けられたとき、２番目の交替
セクタの論理アドレスは図２（Ｂ）に示すように、（５
５５）となる。FIG. 3 is an explanatory diagram of the above-described replacement processing method, in which the user area 1 starts from 0 track-0 sector.
The data is written in the ascending order of address numbers from 0 track-0 sector. 10 tracks-
When defective sector 3 is generated in 5 sectors, the next sector, that is, 10 tracks-6 sectors becomes replacement sector 4, and the data to be recorded in 10 tracks-5 sectors is written. At this time, the address management table is shown in FIG.
As shown in (A), the physical address (1
0 track-5 sectors), the physical address of the replacement sector 4 (10 tracks-6 sectors), and the logical address of the replacement sector 4 (506) are written, and the writing order and reading order of data on the optical disc are managed. As described above, since the logical address represents the actual data writing order to the optical disk, the logical address of each sector after 10 tracks-7 sectors is 1 rather than the number of sectors from 0 track-0 sectors calculated from the physical address. It will decrease one after another. Therefore, a defective sector is again generated in 11 tracks-5 sectors, and 11 tracks-
When the replacement sector is provided in 6 sectors, the logical address of the second replacement sector is (5
55).
【００１９】図４は、前記の交替処理方法の説明図で
あって、０トラック−０セクタから１９９９９トラック
−４９セクタまでがユーザ領域１になっており、２００
００トラック−０セクタから２０００２トラック−４９
セクタまでが交替領域２になっている。そして、０トラ
ック−０セクタからアドレス番号の若い順にデータが書
き込まれ、１０１０トラック−５セクタに至って欠陥セ
クタ３を生じた場合、交替領域２の最初のセクタすなわ
ち２００００トラック−０セクタに欠陥セクタ３のデー
タが書き込まれる。このとき、アドレス管理表には、図
２（Ｃ）に示すように、欠陥セクタ３の物理アドレス
（１０１０トラック−５セクタ）と交替セクタ４の物理
アドレス（２００００トラック−０セクタ）、それに交
替セクタ４の論理アドレス（５０５０４）が書き込ま
れ、光ディスクに対するデータの書き込み順序及び読み
だし順序が管理される。交替処理されたデータ以後のデ
ータは、１０１０トラック−６セクタからアドレス番号
が若い順に書き込まれる。この場合には、交替領域２が
ユーザ領域１とは別に設けられているので、１０１０ト
ラック−６セクタ以降の各セクタについては、物理アド
レスから算出されるセクタ数の増加に応じて論理アドレ
スが１つづつ増加する。したがって、１０１１トラック
−５セクタに再度欠陥セクタを生じた場合、２００００
トラック−１セクタに交替セクタが設けられ、その交替
セクタの論理アドレスは、図２（Ｄ）に示すように、
（５０５５４）となる。FIG. 4 is an explanatory diagram of the above-described replacement processing method, in which the user area 1 is from 0 track-0 sector to 19999 track-49 sector.
00 track-0 sector to 20002 track-49
The spare area 2 is up to the sector. When data is written from the 0th track-0 sector in the ascending order of the address numbers, and the defective sector 3 is generated up to the 1010th track-5 sector, the defective sector 3 is generated in the first sector of the replacement area 2, that is, 20,000th track-0 sector. Data is written. At this time, in the address management table, as shown in FIG. 2C, the physical address of the defective sector 3 (1010 tracks-5 sectors), the physical address of the replacement sector 4 (20000 tracks-0 sectors), and the replacement sector 4 logical addresses (50504) are written, and the writing order and reading order of data on the optical disc are managed. The data after the data subjected to the replacement processing is written from the 1010 track-6 sector in ascending order of the address numbers. In this case, since the replacement area 2 is provided separately from the user area 1, the logical address is set to 1 in accordance with the increase in the number of sectors calculated from the physical address for each sector after 1010 tracks-6 sectors. It increases one by one. Therefore, if a defective sector occurs again in the 1011 track-5 sector, 20000
An alternate sector is provided in track-1 sector, and the logical address of the alternate sector is as shown in FIG.
(50554).
【００２０】図５は、前記の交替処理方法の説明図で
あって、０トラック−０セクタからアドレス番号の若い
順に２０１０トラック−７セクタまでデータが書き込ま
れた段階で、２０１０トラック−５セクタが欠陥セクタ
３であることが検出された場合、書き込み済みのセクタ
の次セクタすなわち２０１０トラック−８セクタに欠陥
セクタ３のデータが書き込まれる。このとき、アドレス
管理表には、図２（Ｅ）に示すように、欠陥セクタ３の
物理アドレス（２０１０トラック−５セクタ）と交替セ
クタ４の物理アドレス（２０１０トラック−８セク
タ）、それに交替セクタ４の論理アドレス（１００５０
４）が書き込まれ、光ディスクに対するデータの書き込
み順序及び読みだし順序が管理される。交替処理された
データ以後のデータは、２０１０トラック−９セクタか
らアドレス番号が若い順に書き込まれる。この場合に
は、前記の交替処理方法を選択した場合と同様に、２
０１０トラック−９セクタ以降の各セクタについては、
物理アドレスから算出される０トラック−０セクタから
のセクタ数よりも論理アドレスが１つづつ少なくなる。
したがって、２０１１トラック−５セクタに再度欠陥セ
クタを生じ、２０１１トラック−８セクタに交替セクタ
が設けられたとき、２番目の交替セクタの論理アドレス
は、図２（Ｆ）に示すように、（１００５５３）とな
る。FIG. 5 is an explanatory diagram of the above-mentioned alternation processing method. When data is written from 0 track-0 sector to 2010 track-7 sector in ascending order of address number, 2010 track-5 sector is written. When the defective sector 3 is detected, the data of the defective sector 3 is written to the sector next to the written sector, that is, the 2010 track-8 sector. At this time, in the address management table, as shown in FIG. 2E, the physical address of the defective sector 3 (2010 track-5 sectors), the physical address of the replacement sector 4 (2010 track-8 sectors), and the replacement sector 4 logical address (10050
4) is written, and the writing order and reading order of data on the optical disc are managed. The data after the data subjected to the alternation process is written from the 2010 track-9 sector in ascending order of address numbers. In this case, as in the case where the replacement processing method is selected, 2
For each sector after 010 track-9 sector,
The logical address is decreased by one from the number of sectors from 0 track-0 sector calculated from the physical address.
Therefore, when a defective sector is again generated in the 2011 track-5 sector and a replacement sector is provided in the 2011 track-8 sector, the logical address of the second replacement sector is (100553) as shown in FIG. ).
【００２１】前記した交替処理方法を実行するプログラ
ムは、光ディスク自体に記憶しておくこともできるし、
光ディスクを回転可能に収納するディスクカートリッジ
に付設されたＩＣメモリに記憶しておくこともできる。
また、ドライブ装置に付設されたＩＣメモリに記憶して
おくこともできる。The program for executing the above-described replacement processing method can be stored in the optical disk itself,
It can also be stored in an IC memory attached to a disc cartridge that rotatably stores the optical disc.
It can also be stored in an IC memory attached to the drive device.
【００２２】なお、前記実施例においては、欠陥セクタ
が検出された後に交替処理方法を選択したが、１枚の光
ディスクに同種のデータを記録する場合など、当該光デ
ィスクについて常に同種の交替処理方法が選択される場
合には、ドライブ装置を立上げた後、欠陥セクタが検出
される以前に交替処理方法を選択することもできる。In the above embodiment, the replacement processing method is selected after the defective sector is detected. However, when the same kind of data is recorded on one optical disk, the replacement processing method of the same kind is always applied to the optical disk. When selected, the replacement processing method can be selected after the drive device is started up and before the defective sector is detected.
【００２３】[0023]
【発明の効果】以上説明したように、本発明によると、
光ディスク又は光ディスクを回転可能に収納するディス
クカートリッジに付設されたＩＣメモリ若しくは光ディ
スクのドライブ装置に付設されたＩＣメモリ等に複数の
交替処理方法を実行する複数のプログラムを備えてお
き、ユーザがそれらのうちから適宜の交替処理方法を選
択できるようにしたので、仮想追記型光ディスクの使い
勝手を格段に良いものにすることができる。As described above, according to the present invention,
A plurality of programs for executing a plurality of replacement processing methods are provided in an IC memory attached to an optical disc or a disc cartridge that rotatably accommodates the optical disc, an IC memory attached to a drive device of the optical disc, and the like, and the user stores the programs. Since an appropriate replacement processing method can be selected from among them, the usability of the virtual write-once optical disc can be significantly improved.
【図１】実施例に係る交替処理の手順を示すフローチャ
ートである。FIG. 1 is a flowchart illustrating a procedure of a replacement process according to an embodiment.
【図２】交替処理されたセクタのアドレス管理表の一例
を示す表図である。FIG. 2 is a table showing an example of an address management table of a sector that has undergone a replacement process.
【図３】交替処理方法の第１例を示す説明図である。FIG. 3 is an explanatory diagram showing a first example of a replacement processing method.
【図４】交替処理方法の第２例を示す説明図である。FIG. 4 is an explanatory diagram showing a second example of a replacement processing method.
【図５】交替処理方法の第３例を示す説明図である。FIG. 5 is an explanatory diagram showing a third example of a replacement processing method.
１ ユーザ領域 ２ 交替領域 ３ 欠陥セクタ ４ 交替セクタ 1 user area 2 replacement area 3 defective sector 4 replacement sector
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｇ１１Ｂ 20/18 １０１ Ｇ 9074−5Ｄ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification number Office reference number FI technical display location G11B 20/18 101 G 9074-5D
Claims (4)
収納するディスクカートリッジに付設されたＩＣメモリ
若しくは光ディスクのドライブ装置に付設されたＩＣメ
モリに、複数の交替処理方法を実行する複数のプログラ
ムを記憶しておき、ユーザがそれらのうちから適宜の交
替処理方法を選択できるようにしたことを特徴とする書
換型光ディスクのデータ記録方法。1. An IC memory attached to an optical disc or a disc cartridge that rotatably accommodates the optical disc, or an IC memory attached to a drive unit for the optical disc, stores a plurality of programs for executing a plurality of replacement processing methods. A data recording method for a rewritable optical disk, characterized in that a user can select an appropriate replacement processing method from among them.
１つが、欠陥セクタの次セクタにデータを交替処理する
方法であることを特徴とする書換型光ディスクのデータ
記録方法。2. The data recording method for a rewritable optical disk according to claim 1, wherein one of the replacement processing methods is a method of replacing data in a sector next to a defective sector.
１つが、データ記録領域とは別に設けられた交替領域
に、欠陥セクタのデータを交替処理する方法であること
を特徴とする書換型光ディスクのデータ記録方法。3. The rewritable optical disk according to claim 1, wherein one of the replacement processing methods is a method of replacing data of a defective sector in a replacement area provided separately from a data recording area. Data recording method.
１つが、同時に複数セクタを記録し、記録した複数セク
タ中に欠陥セクタを含む場合、同時に記録された複数セ
クタの次セクタにデータを交替処理する方法であること
を特徴とする書換型光ディスクのデータ記録方法。4. The method according to claim 1, wherein one of the replacement processing methods simultaneously records a plurality of sectors, and when the recorded plurality of sectors include a defective sector, replaces data in a sector next to the plurality of simultaneously recorded sectors. A data recording method for a rewritable optical disc, which is a processing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25300192A JPH06103577A (en) | 1992-09-22 | 1992-09-22 | Method for recording data for rewiritable optical disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25300192A JPH06103577A (en) | 1992-09-22 | 1992-09-22 | Method for recording data for rewiritable optical disk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06103577A true JPH06103577A (en) | 1994-04-15 |
Family
ID=17245112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25300192A Withdrawn JPH06103577A (en) | 1992-09-22 | 1992-09-22 | Method for recording data for rewiritable optical disk |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06103577A (en) |
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