JPH06338139A - Alternate processing method in information recording of writing once type information recording medium - Google Patents

Alternate processing method in information recording of writing once type information recording medium

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Publication number
JPH06338139A
JPH06338139A JP12904593A JP12904593A JPH06338139A JP H06338139 A JPH06338139 A JP H06338139A JP 12904593 A JP12904593 A JP 12904593A JP 12904593 A JP12904593 A JP 12904593A JP H06338139 A JPH06338139 A JP H06338139A
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Japan
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region
area
information
data
recording
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JP12904593A
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Japanese (ja)
Inventor
Naoki Hosaka
尚樹 保坂
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Olympus Optical Co Ltd
オリンパス光学工業株式会社
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Priority to JP12904593A priority Critical patent/JPH06338139A/en
Publication of JPH06338139A publication Critical patent/JPH06338139A/en
Application status is Withdrawn legal-status Critical

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    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/12Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/18Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1883Methods for assignment of alternate areas for defective areas
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00Record carriers by type
    • G11B2220/20Disc-shaped record carriers

Abstract

PURPOSE:To extend a region on a medium freely, and to improve the efficiency of the utilization of an unused region by using a part of the unused region in the recording region of another application as an alternate-region extending section for data when there is no blank in a recording region. CONSTITUTION:When a file recorded in a region 12 for data is rewritten, an unused region in an alternate region 13 for data is investigated. Another region 12 is investigated when there is no blank in the region 13, and the procedure is set up so that a part of an unused region 12b can be employed as an extending section 13EXT in the alternate region for data when the region 12b is discovered in the region 12. Consequently, the unused regions of the region for data are decreased from 12b to 12b', but the blank region 13EXT formed by the decrease can be used as the alternate region 13 for data. The names of the extending region and a region to be extended and an extending range are recorded in a region 11 for a management region, and an operator is informed of the extension of the regions. Accordingly, the region on a medium can be extended freely, thus effectively utilizing the unused region.

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【産業上の利用分野】本発明は、追記型の情報記録媒体に対し、情報を記録する際の交代処理方法に関する。 The present invention relates to a relative write-once information recording medium, a replacement processing method for recording information.

【0002】 [0002]

【従来の技術】光ディスクや光カードのような追記型の情報記録媒体では、媒体表面に光記録材が設けられ、そこに螺旋状や同心円状の情報記録トラック(光ディスクの場合)あるいは互いに平行な情報記録トラック(光カードの場合)が設けられる。 The write-once information recording media, such as [Description of the Related Art An optical disk and an optical card, the optical recording material is provided on the medium surface, there (in the case of the optical disc) spiral or concentric information tracks, or parallel to each other information recording track (case of the optical card) is provided. 情報記録トラックは、1個または複数個のセクタに区切られ、情報の記録や再生は、このセクタを最小単位としている。 Information recording track is divided into one or more sectors, the recording and reproducing of the information is in the sector as a minimum unit.

【0003】一般に、情報記録媒体に情報(ファイル) [0003] In general, information on the information recording medium (file)
を記録する場合、実際に記録する情報(記録データ)とともに、それを管理するための管理情報(ディレクトリ)を記録するのが普通である。 When recording, along with information is actually recorded (record data), it is common to record the management information (directory) for managing it. この管理情報には、記録しようとする情報の名称(ファイル名)、情報量(ファイル長)、記録時刻、記録位置等の情報が含まれる。 The management information, the name (file name) of the information to be recorded, the amount of information (file length), recording time, and information of the recording position and the like.
そして、複数の情報が記録された情報記録媒体から特定の情報を得る場合には、この管理情報の一部または全部を用いて目的の情報を特定し、参照することになる。 When the from the information recording medium in which a plurality of information is recorded to obtain specific information identifies the desired information using some or all of the management information, the reference.

【0004】情報記録媒体に記録されたファイルに対し、その名称の変更、記録データ自身の変更・追加・削除等と云った情報の書き換えを行う必要が生じた場合、 [0004] to the information recording medium to the recorded file, if the change of its name, is necessary to carry out the rewriting of the information that went with the recording data itself of the change, addition, deletion, etc. occurs,
磁気ディスクのような書き換え可能な記録媒体の場合、 For rewritable recording medium such as a magnetic disk,
既に情報が記録されているセクタに上書きすることにより容易に書き換えが行えるが、追記型の情報記録媒体の場合、一度記録に用いられた情報記録セクタに新たに別の情報を上書き記録することは出来ないため、多くの場合、交代処理が行われる。 Although already information can be performed easily rewritten by overwriting the sector being recorded, if the write-once information recording medium, by newly overwriting other information on the information recording sector used once recording since that can not be, in many cases, a replacement process is carried out.

【0005】ここで交代処理と云うのは、後から記録しようとする更新後の情報を、まだ記録に用いられていない情報記録セクタに記録するとともに、どの更新前の情報をどこに記録したかと云う情報(交代情報)を併せて記録し、更新された情報を再生する際には、前記交代情報をもとに、更新前の情報の代わりに更新後の情報を再生し、あたかも情報が上書きされたかの様に振る舞わせるようにするものである。 [0005] here say the change process, the updated information to be recorded later, referred to as a still with be recorded on the information recording sector that has not been used for recording, or were recorded which updates previous information anywhere information is recorded together (replacement information), when reproducing the updated information, based on the replacement information, and reproducing the information after updating instead of the pre-update information, it is as if information is overwritten is to so as to behave in Takano like. こうすることで、追記型の情報記録媒体においても、通常の書き換え可能な情報記録媒体と同様に、ファイルのデータやディレクトリの書き換えが可能となる。 By doing so, even in the write-once information recording medium, like a normal rewritable information recording medium, it is possible to rewrite the file data and directory.

【0006】また、情報記録媒体上の欠陥やごみの付着により、部分的に書き込むことが出来ないような場合にも、上記と同様の交代処理を行い、所望のセクタに正しく情報が書き込めたかの様に処理する場合もある。 [0006] In addition, due to the adhesion of defects and dust on the information recording medium, in the case that can not be written partially also performs the same change process as described above, Kano like to correct information in the desired sector is written there is also a case to be processed.

【0007】追記型の情報記録媒体に対する一連の情報の記録・再生手続きの中では、このような交代処理は比較的低レベルの処理(OS(オペレーションシステム) [0007] Among the recording and reproducing procedure of a series of information to write-once information recording medium, such replacement process is relatively low-level processing (OS (operating system)
や各種ドライバソフトが行うようなハードウエアに対する直接的な処理)中で行われ、情報記録媒体に対する情報を読み書きするにあたり、オペレータが実施しなければならない実際の手続き(指令操作)は、ずっと簡略化されていることが多い。 And direct process for hardware such as various driver software does) done in, when to read and write information on the information recording medium, the actual procedure the operator must be performed (instruction operation) is much simplified often it is. すなわち、オペレータが行わねばならない操作内容は簡単なものとしてあることが多い。 That is, the operation contents of the operator must be carried out is often as simple.

【0008】例えば、一般ユーザがこのような情報記録媒体に記録されているファイルの名称を変更するような時には、ユーザは情報記録媒体中にどのような交代用の領域が確保され、どのような形式で交代情報が記録されるか、と云ったことは全く知らなくて良く、表面上は磁気ディスクに対するファイル名変更操作と同じ手続きをとるだけで、あたかも書き換えができたかの様に見えるのである。 [0008] For example, when a general user that change the name of a file recorded on such information recording medium, the user area of ​​what a substitute in the information recording medium is secured, what or format the replacement information is recorded, and it is well if you do not know at all that say, on the surface only take the same procedure as the file name change operation with respect to the magnetic disk, it is as if what looks like could be rewritten.

【0009】ところで追記型の情報記録媒体に対する交代処理では、一度交代されて不要になった情報は、敢えて書き潰して無効化したりせず、そのまま情報記録媒体上に残される場合が多い。 [0009] By the way the replacement process for the write-once information recording medium, the information that is no longer needed is once replaced, without or disable dare write crushed, in many cases it is left on the information recording medium. このような古い情報を残しておくことにより、情報の更新後に再び以前の古い情報が必要となった際に、容易に以前の記録状態に復帰させることが出来るのである。 By leaving such old information, when again the previous old information after update information is needed, it is able to be easily returned to the previous recorded state.

【0010】 [0010]

【発明が解決しようとする課題】追記型の情報記録媒体では、データを上書きすることができないから、ファイルを書き替える場合には変更のあったファイルを交代処理によりそっくり交代用の領域に記録し、元の古いファイルは使用しないようにすることにより、あたかもファイルが更新記録されたかのようにしている。 In [0005] write-once information recording medium, because it is impossible to overwrite data, when rewriting the files recorded in the area for entirely alternation by alternation processing the changed files , by which you do not want to use the original old files, though the file is as if it had been updated and recorded.

【0011】一方、情報記録媒体の異常やゴミ等の異物のために書き込みに失敗した場合、上記交代処理により記録すべき情報は別の場所へ再度書き込まれる(リトライ)。 Meanwhile, if the write fails because of foreign matter such as defects or dust information recording medium, information to be recorded by the changing process is written again to another location (retry).

【0012】ここで、追記型の情報記録媒体で交代処理を行うためには、予め交代処理のために必要な情報記録領域と交代後の情報を記録するための予備の領域を情報記録媒体上に確保しておくことになるが、当然その領域は有限であり、従って、交代できる回数には上限がある。 [0012] Here, in order to perform the replacement process in the write-once type information recording medium is previously alternation process on the information recording medium a spare area for recording information after replacement information recording area required for It becomes to maintaining the naturally that area is finite, therefore, the number of possible replacement has an upper limit. 特に、情報記録媒体の使用環境が悪いために書き込みエラーが多発するような場合には、リトライにより通常と比べて交代処理が多く発生し、そのために交代用の領域を使い切ってしまうことになる。 Particularly, in the case that a write error due use environment is poor information recording medium occurs frequently, alternation process in comparison with the normal number generated by a retry, so that the use up space for substitution therefor.

【0013】その場合、その情報記録媒体では以後一切の交代が出来なくなり、事実上、新たな書き込みが出来ないことになってしまう。 [0013] In that case, thereafter it can no longer be any change in the information recording medium, in effect, become can not be a new writing. 交代用の領域を十分に確保しておけば、前記のような事態を回避出来る確率は高くなるが、交代を多用しない場合には、それらの予備の領域は使われないままとなってしまい、全体的な情報記録容量が減少してしまうことになる。 Once you have sufficient space for the change, the probability that can avoid a situation such as the above becomes higher, if you do not intensive alternation, region of their spare becomes and remains not used, global information recording capacity will be reduced.

【0014】このような無駄を避けるための方法として、例えば情報記録媒体の先頭から後方に向かってデータを記録し、管理情報を媒体の後方から先頭に向かって記録することにより、最大記録可能データ容量と管理情報の占める容量のバランスをとるという手法も考案されているが、管理情報が複数種類存在する場合には、このような方法を用いることはできない。 [0014] As a method for avoiding such a waste, for example, to record the data from the head of the information recording medium toward the rear, by recording toward the first management information from the back of the medium, the maximum recordable data Although techniques have been devised that balance the volume occupied by the capacity and management information, is when a plurality of types exist, it can not be such a method management information.

【0015】そこでこの発明の目的とするところは、追記型情報記録媒体に情報を記録するにあたり、リトライ回数が増えても空き領域がある限り交代処理を可能にするようにして情報記録媒体の使用効率を良くした交代処理方法を提供することにある。 [0015] Therefore it is an object of this invention is the use of write-once information recording medium Upon recording information, the to the information recording medium so as to allow the replacement process as long as there is free space even if increasing the number of retries and to provide a well was replacement processing method efficiency.

【0016】 [0016]

【課題を解決するための手段】上記目的を達成するため、本発明はつぎのようにする。 To achieve the above object, according to an aspect of the present invention is as follows. すなわち、情報を記録するための情報記録領域と、その情報の記録に失敗した場合およびその情報の書き換えを行う場合に書き込みに用いる交代用情報記録領域と、情報の交代が行われた場合にその交代処理の履歴を管理するための情報を記録するための管理情報記録領域とを有する追記型の情報記録媒体に対する情報記録の際の交代処理方法において、ある用途の記録領域のうち、未使用領域が所要量以下となったとき、他の用途用の記録領域の未使用領域の少なくとも一部を前記ある用途の記録領域のための拡張領域として割り当て、記録に供することを特徴とする。 That is, such a case where the information recording area for recording information, and alternate information recording area used for writing in the case of performing the rewriting of Failure and the information on the record of that information, replacement information is performed in replacement processing method used for information recording for the write-once information recording medium having a management information recording area for recording information for managing the history of the replacement process, in the recording area of ​​a certain application, an unused area there when it becomes less than the required amount, allocating at least a portion of the unused area of ​​the recording area for other applications as an extension area for recording area of ​​said certain applications, characterized in that to be recorded.

【0017】 [0017]

【作用】本発明は追記型の情報記録媒体に対する交代処理において、ある用途の記録領域の空き領域が所要の量(任意に設定可能)以下になった場合に(空き領域不足となった場合に)、他の用途用の記録領域の未使用領域の少なくとも一部を空き領域不足となった前記ある用途の記録領域のために割り当てて用いることができる。 DETAILED DESCRIPTION OF THE INVENTION The present invention in alternation processing for write-once information recording medium, when the free space in the recording area of ​​a certain application is equal to or less than the required amount (arbitrarily set) (when it becomes a free area shortage ), can be used by assigning for said certain applications of the recording area has become insufficient space at least a portion of the unused area of ​​the recording area for other uses. これによれば、優先的に特定の用途用の記録領域を空き容量不足の心配が生じた段階で予め確保できるようになる。 According to this, it recording areas for preferentially specific applications to be secured beforehand at the stage of concern occurs lack space.

【0018】 [0018]

【実施例】以下、本発明の実施例について説明する。 EXAMPLES Hereinafter, Examples of the present invention will be described. (第1実施例)図1および図2は、本発明を適用可能な追記型情報記録媒体の一例である光カードの概要を示す図である。 (First Embodiment) FIGS. 1 and 2 are diagrams showing an outline of an optical card which is an example of applicable write-once information recording medium of the present invention. 光カード1の表面には、記録領域2が形成されている。 On the surface of the optical card 1, the recording area 2 are formed. この記録領域2は光学的に情報を記録するための光記録材層が形成されており、これによってこの記録領域2には光学的に情報を記録することができるようになっている。 The recording area 2 are formed optical recording material layer for recording information optically has become possible to record information optically in this way in the recording area 2.

【0019】記録領域2には、図2に示す拡大図のように、光カード1の長手方向に伸びる情報記録トラック3 [0019] recording area 2, as the enlarged view shown in FIG. 2, the information recording track 3 extending in the longitudinal direction of the optical card 1
が複数設けられている。 There has been provided with a plurality. 全てのトラック3には、トラックアドレス部4があり、それぞれのトラックアドレス部4には個々のトラックの物理的な位置情報を示すトラックアドレスT01〜T06が予め記録されている。 All of the tracks 3, there is a track address portion 4, each of the track address portion 4 is track address T01~T06 indicating the physical position information of the individual tracks is recorded in advance. なお、図2では、トラックアドレス領域4はトラック3の右側に位置しているが、これは左側あるいは左右両側に位置する場合もある。 In FIG. 2, a track address area 4 is located on the right side of the track 3, which is also when located on the left or right and left sides.

【0020】図2の各トラック3には、各々一つまたは複数のセクタ5が形成されている。 [0020] Each track 3 of FIG. 2, each one or more sectors 5 are formed. 例えば、トラックアドレスT01には1個の、トラックアドレスT05には12個のセクタが形成されている。 For example, the one in the track address T01, 12 sectors are formed on the track address T05. 図中のひとつのセクタに記録可能な光カードの場合、このように各トラック毎に異なるサイズのセクタを形成できるものとする。 For one sector on a recordable optical card in the figure and which can form a sector of a different size in this way in each track. また、各々のサイズのセクタに記録できる情報量は、図2 Further, the amount of information that can be recorded in each of the size of the sector, 2
で図示される各セクタの図中での大きさと同様の大小関係にあるものとするが、その面積比と必ずしも一致するとは限らない。 And it is intended to be similar magnitude relationship and the magnitude of the in the figures of each sector in the shown, not necessarily coincide with the area ratio.

【0021】図4は、情報記録媒体1上に取られる各種領域を説明する図である。 [0021] FIG. 4 is a diagram illustrating the various regions to be taken on the information recording medium 1. 情報記録媒体1上には、管理情報用領域11、データ用領域12、データ用交代領域13の3つの領域が設けられている。 Information on the recording medium 1, the management information area 11, data area 12, three areas of the data replacement area 13 is provided. 各領域は図の上から下に向かって順に使用されるものとし、データ用領域12の上半分は使用済みの領域12aを、また、下半分は未使用の領域12bを示している。 Each region is assumed to be used in order from top to bottom in the figure, a region 12a of the used upper half of the data region 12, also, the lower half shows the regions 12b unused.

【0022】いま、例えばデータ用交代領域13をすべて使い切ってしまった場合を考える。 [0022] Now, for example, consider the case you've used up all of the data for the alternate area 13. 従来は、このような場合には、以後一切のデータ領域の交代は出来なくなっていた。 Conventionally, in such a case, thereafter it was no longer possible to change of any of the data area. 図5は本発明による領域の拡張を説明する概念図であり、図6は領域の拡張方法を説明する流れ図で、新たに交代された情報を記録する際の手続きを示している。 Figure 5 is a conceptual diagram illustrating the expansion of the region according to the invention, FIG 6 is a flow diagram illustrating how to extend region, it shows a procedure for recording the information newly replacement.

【0023】以下、図6に従って、処理の流れを説明する。 [0023] Hereinafter, according to FIG. 6, the flow of processing. データ用領域12に記録されていたファイルに対する書き換えが発生したとすると、まず、ステップP20 When rewriting the recording once it was file in the data area 12 is generated, first, a step P20
1で書き換え後の情報を記録する所定の領域、すなわち、データ用交代領域13の空き容量を検査して未使用領域13bを調べる。 Predetermined area for recording information after the rewrite in 1, i.e., it checks the vacant capacity of the data for the alternate area 13 determine the unused area 13b.

【0024】領域13に空き領域がある場合には、ステップP204に進み、空き領域に交代データを書き込む。 [0024] If there is free space in the region 13, the process proceeds to step P204, and writes the replacement data in the free space. この時、既にこの領域13に空きが無いとすると(全てが使用済み領域13aであるとすると)、ステップP202において、他の領域(例えば、データ用領域12など)の未使用領域を検査する。 At this time, already When there is no space in the area 13 (When all is that the used area 13a), in step P202, the other region (e.g., data area 12) to inspect the unused space.

【0025】ここで他の領域に空きが無い場合には、ステップP205へと進み、交代処理を行えない場合のエラー処理を行い、処理を終了する。 [0025] If there is no space here to other areas, the process proceeds to step P205, error processing is performed in the case of not performing the replacement process, the process is terminated. 他の領域に未使用領域が発見された場合にはステップP203において、その未使用領域の一部をデータ用交代領域の拡張領域として使用できるように手続きを行う。 In step P203 if the unused area is found in other areas, it performs a procedure to use the part of the unused area as an extension region of the data replacement area. 例えば図4のようにデータ用領域12に未使用領域12bが発見された場合には、ステップP203において、図4におけるデータ用領域12の未使用領域12bのうちの一部、例えば、 If the unused area 12b in the data area 12 as shown in FIG. 4 is found, for example, in step P203, a portion of the unused area 12b of the data area 12 in FIG. 4, for example,
図5の斜線部分で示されるようなアドレスA2001以降をデータ用交代領域として用いるようにするための手続きを行う。 An address A2001 later as shown by the shaded portion in FIG. 5 performs a procedure to used as the data for alternative area. これによって、図5の斜線部分で示される領域はデ−タ用交代領域拡張部分13EXTとなり、データ用領域の未使用領域は12bから12b´と削減されるが、この削減によって捻出された空き領域(13E Thereby, the regions de shown by the hatched portion in FIG. 5 - for data replacement area extension 13EXT next, but unused space in the data area is reduced and 12b' from 12b, the free space which is worked out by the reduction (13E
XT)はデータ用交代領域13として用いることができるようになる。 XT) will be able to be used as a data for alternate area 13.

【0026】この手続きは例えば、図7に示されるようなデータフォーマットで、管理情報用領域11に、拡張領域及び被拡張領域の名称や拡張範囲を記録するのである。 [0026] The procedure for example, in a data format as shown in FIG. 7, the management information area 11, is to record the name and extension range of the extended region and the extension region. そして、領域が拡張されたならば、ステップP20 And if the area has been expanded, the step P20
4に進み、ステップP201でもともと空き領域があった場合と全く同様の処理を、新たに拡張された領域に対して行うのである。 Proceeds to 4, exactly the same processing as when there is originally free space in step P201, it is performed for the newly expanded area. すなわち、この例の場合はデータ用交代領域13にもともとあった未使用領域としてこの拡張領域13EXTを使用し、ここにファイルを記録する。 That is, in this example using the extended region 13EXT as unused area that was originally in the data replacement area 13, here recording a file.

【0027】このようにして領域が拡張された媒体を読む場合には、管理情報用領域11の中に記録されている前記領域の拡張を示す記録情報を読み込むことで、領域が拡張されたことを知ることができ、その後の記録再生を正しく行うことが可能になる。 [0027] If this way area is read by media expansion, by reading the recording information indicating the expansion that is recorded in the area in the management information area 11, the area is expanded it is possible to know, it is possible to perform the subsequent recording and reproducing correctly.

【0028】なお、本実施例は上記で説明に用いた図4 [0028] FIG. 4 embodiment is used in the description above
および図5、図6、図7に記載の通りのデータ管理方法に限定されるものではなく、各領域の名称、用途、記録位置等は、様々に変形可能である。 And FIG. 5, FIG. 6, is not limited to the data management method as described in FIG. 7, the name of each region, applications, recording position, etc. can be variously modified. また、拡張する領域はデータ用交代領域に限定するものではなく、かつまた拡張部分の領域を確保する領域はデータ用領域に限定するものではなく、例えば管理情報用の領域を使い切った後にデータ用交代領域の未使用部分に、管理情報用領域の拡張領域を確保して利用しても構わない。 The region to extend is not limited to data replacement area, and also a region to secure the area of ​​the extended portion is not limited to the data area, data for example after used up area for management information the unused portion of the replacement area, may be utilized to secure the extension area of ​​management information area. また、それぞれの領域の未使用領域を組み合わせて特定用途向けの拡張領域として利用したり、ある領域の未使用領域を拡張領域を確保する必要の生じたものにそれぞれ分配するようにしても良い。 You can also use as an extension area of ​​application specific combination an unused area of ​​the respective regions may be distributed respectively to that produced in the need to secure an unused area extended area of ​​a region. さらに、領域を拡張したことを示す情報の記録位置は、管理情報用領域に限定されるものではなく、同一媒体内であればどこに記録しても構わない。 Further, the recording position of the information indicating that the extended region is not limited for the management information area, may be recorded anywhere as long as the same medium.

【0029】例えば、図8に示される実施例のように最初に設定されていたデータ用交代領域13を使い果たした段階(残っていても、書き込もうとするファイルの容量に満たない場合も含む)で、データ用領域12の未使用領域12bを削って12b´に縮小し(新たなデータ用領域12´は使用済み領域12aと縮小された未使用領域12b´に縮小)、浮いた領域を管理情報用領域1 [0029] For example, in the first stage has run out of data for replacement area 13 that has been set (be left, including the case where less than the capacity of the file to be written) as in the embodiment shown in FIG. 8 , by cutting the unused area 12b of the data area 12 is reduced to 12b '(the new data for region 12' reduces the unused area 12b 'which is reduced the used area 12a), the management information floating region use area 1
1およびデータ用交代領域13の拡張領域11EXTおよび13EXTとして確保するようにすることも可能である。 It is also possible to secure the extension area 11EXT and 13EXT of 1 and the data for alternate area 13. さらに、同一の領域を複数回に分けて拡張しても良い(1回の拡張は最小限とし、拡張が必要になる都度、拡張を実施する方式)。 Further, it may be expanded separately by the same region a plurality of times (once extended is minimized, every time the expansion is required, a method of carrying out the extension). これをつぎに説明する。 This will now be described.

【0030】(第2実施例)図9は本発明に基づく第2 The second based on (second embodiment) FIG. 9 is the invention
の実施例を説明する図であり、図10は領域の拡張方法を説明する流れ図であって、新たに交代された情報を記録する際の手続きを示している。 Is a view for explaining the embodiment, FIG. 10 is a flowchart illustrating how to extend region, it shows a procedure for recording the information newly replacement. 上記第1実施例では、 In the first embodiment,
ある領域をすべて使い切った後でその領域の拡張を行っているが、この第2実施例ではある領域、例えばデータ用交代領域13の未使用領域13bが、ある量以下になった時に、前記の例と同様にデータ用領域12の未使用領域12bに予め拡張領域を確保する方式である。 Is performed the expansion of the area after all used up a certain area, the area which is in this second embodiment, for example, an unused area 13b of the data replacement area 13, when it is below a certain amount, of the examples and a method for securing a pre-expansion area in an unused area 12b of the data area 12 as well.

【0031】以下、図10に従って、処理の流れを説明する。 [0031] Hereinafter, according to FIG. 10, the flow of processing. まず、データ用領域12に対する書き換えが発生すると、まず、ステップP301で、書き換え後の情報を記録する所定の領域すなわちデータ用交代領域13の空き容量を検査する。 First, the rewriting for data area 12 is generated, first, in step P301, checking the free space of a predetermined area or data replacement area 13 for recording information after the rewrite. この時、予め設定された空き容量よりもこの領域13の空き容量が少なくなっていた場合にはステップP303へと進み、他の領域の未使用領域を検査する。 At this time, in the case than the free space that is set in advance free space of this region 13 had fewer proceeds to step P303, examining the unused area of ​​the other regions.

【0032】ここで他の領域に十分な空きがあった場合には、ステップP304で領域を拡張し、ステップP3 [0032] When there is sufficient free now to other regions, to an extended region in step P304, Step P3
02へと進む。 Proceeds to 02. 他の領域に空きがない場合には、領域の拡張を行わずにステップP302へと進む。 If there is no space in the other area, the process proceeds to step P302 without extension region.

【0033】ステップP302において、交代用の領域が全くないと判定された場合には、一切の交代ができないため、ステップP306へと進んでエラー処理を行い、処理を終了する。 [0033] In step P302, when the area for replacement is found not at all, because it can not any replacement, an error processing proceeds to step P306, the process ends. 交代用の領域がある場合にはステップP305において通常通りの、交代処理を行い、処理を終了する。 As usual in step P305 if there is an area for replacement performs replacement processing, the processing is terminated.

【0034】このように、第2実施例はある領域、例えばデータ用交代領域13の未使用部分13bが、ある量以下になった時に、前記の例と同様にデータ用領域12 [0034] Thus, the region where the second embodiment is, for example, unused portion 13b of the data replacement area 13, when it is below a certain amount, the examples as well as the data area 12
の未使用領域12bに予め拡張領域を確保するようにしたものである。 In which the it was to ensure the advance expansion area in an unused area 12b.

【0035】すなわち、図8で説明した第1実施例のように、データ用交代領域13をすべて使い切った後で領域を拡張するようにした場合、仮にその時点でデータ用領域12がすべて使い切られてしまっていたとすると、 [0035] That is, as in the first embodiment described in FIG. 8, if you choose to extend the area after used all data replacement area 13, if used up data area 12 are all at that time If you had gotten,
それ以上の領域拡張は出来ないことになり、既に記録されているデータを変更する必要がある場合に、一切の変更が出来なくなってしまうが、本実施例のように、データ用交代領域13の残量がある程度少なくなった時点で、データ用領域12の一部をデータ用交代領域の拡張部分13EXTとして確保しておけば、データ用領域1 More regions expansion will be impossible, already when it is necessary to change the data recorded, although it becomes impossible any changes, as in the present embodiment, the data replacement area 13 When the remaining amount becomes somewhat less, if securing a part of the data area 12 as an extension 13EXT of data replacement area, the data area 1
2を先に使い切った後でもデータの書き換えが可能となる。 2 it is possible to rewrite the data even after it has been filled up to the first.

【0036】このように、本実施例による交代方法を用いると、常に交代用の領域を確保しておくことが望ましい特定の領域に関しては、他の領域よりも優先的に交代用領域を確保することが出来るようになる。 [0036] Thus, use of the alternation method according to the present embodiment, always for specific regions it is desirable to secure an area for replacement, to ensure the preferential replacement area than in other regions it is to be able to. 例えば、一度書き込んだファイルを一部更新あるいは変更あるいはデータ追加して書き込む場合、同一ファイル名を用いると、これはデータ用交代領域に書き込まれることになり、データ用領域には書き込まれないことから、同一ファイル名を使用してファイルをたびたび書き替えるとデータ用交代領域のみが消費されることになる。 For example, when writing once written file part updated or changed or data added to, the use of the same file name, since it will be written in the data replacement area is not written to the data area , only often written replaced if data replacement area files using the same file name is consumed.

【0037】この場合、データ用領域は消費されないから、データ用領域の未使用領域をデータ用交代領域に逐次転用されることにより、バランス良く未使用領域は消費されるようになり、データ用交代領域の空き領域不足による書き込み不可の事態発生が少なくなる。 [0037] In this case, since the data area is not consumed by being sequentially diverting unused area of ​​the data area to the data replacement area, well-balanced unused region is to be consumed, alternate data situation occurrence of a non-writable by insufficient space in the area is reduced. 更にはデータ用の領域交代ばかりでなく、ディレクトリ領域(管理情報領域)の交代領域についても同様な拡張ができるファイル名の書き替えも所定回数以上に行うことが可能になる。 Furthermore not only the area change of data, it becomes possible to carry out a predetermined number of times or more rewriting file names that can be similar extended the replacement area in the directory area (management information area).

【0038】なお、本発明は上記実施例に限定されるものではなく、様々に変形可能である。 [0038] The present invention is not limited to the above embodiment and can variously modified. 例えば、図9ではデータ用交代領域について、その残量が一定量以下になったときに領域の拡張を行うようにしているが、他の領域に関しても拡張可能である。 For example, the alternate area for data in FIG. 9, but the remaining amount is to perform the expansion of the region when it is less than a certain amount, it can be extended with respect to other regions. また、ある領域はすべての領域を使い切ったときに拡張するようにし、別の領域はその残量が一定量以下になったときに拡張する、と言うように、異なる拡張方法を組み合わせることも出来る。 Further, there area so as to expand when used up all the space, another region is extended when the remaining amount is below a certain amount, and as stated, it is also possible to combine different expansion methods . また、本発明は、拡張領域を確保する際に、未使用領域の一部を割くようにしたが、これは未使用領域全部とすることも可能である。 Further, the present invention is to provide secure the extension area has been to devote a portion of the unused area, which is also possible to entirely unused area.

【0039】このように、任意の領域を任意の領域の未使用部分に拡張することで、追記型の媒体に対して情報を記録する際に、媒体上の未使用部分を有効に使用することが可能になる。 [0039] In this way, by expanding an arbitrary area in an unused portion of any region, when information is recorded on the write-once media, possible to effectively use the unused portion of the medium It becomes possible.

【0040】さてここで、上記交代処理でしばしば発生するリトライ処理について付言しておく。 [0040] Now here, keep additional remark about the retry processing that often occurs in the above replacement process. リトライとは、前述したように、交代処理により交代用の領域に記録されるべき情報が、情報記録媒体の異常や、ごみ等の異物のために所定のセクタに書き込めなかった場合、別の場所(セクタ)に再書き込みを行うことを云う。 Retry and, as described above, information to be recorded in an area for replacement by the replacement process, the information abnormality or the recording medium, if not written in a predetermined sector for foreign matter such as dust, another location It refers to carrying out the re-writing to the (sector).

【0041】そしてこのリトライ時の書き込みでも、同様の原因により書き込みに失敗すると云うことは、十分考えられる。 [0041] and also in writing at the time of retry, it is referred to as a failure to write the same cause, are fully considered. このような場合、リトライ回数の上限を設けなかったり、リトライ回数を非常に大きな数に設定した場合、書き込み失敗が生じたことによるリトライ処理毎に交代用の領域が消費されてしまうから、リトライが発生することで旨くいくまで書き込みのやり直しが繰り返された分、交代用の領域を無駄に消費してしまうことになる。 In such a case, or not an upper limit of the retry count, when set to a large number of retries very, because the area for replacement every retry processing by the writing failure occurs is consumed, retry amount that again writing to go well that occur is repeated, so that wastefully consumes the area for replacement. 従って、リトライ回数を多くすると、書き込みが旨くゆかない時には最大その上限値の回数まで繰り返されるので、その分、交代用の領域の消費の無駄に繋がる。 Therefore, when increasing the number of retries, since repeated until the maximum number of the upper limit value when the writing is not the floor well, correspondingly, leading to wasted consumption of area for replacement.

【0042】逆に、リトライ回数を少なく設定してしまうと、所定リトライ回数の中では正常に書き込めないという事態が生じて、ユーザが処理しなければならない手続きが増加し、ユーザの負担が重くなってしまうことになる。 [0042] On the other hand, if the result set reduce the number of retries, is within a given number of retries caused a situation that can not be written correctly, an increase in the procedures that the user does not have to be processed, the user's burden is heavier It will be thus.

【0043】従って、リトライすべき回数は慎重に決定する必要があるが、ごみ等によるエラーの発生状態は、 [0043] Accordingly, the number should be retried must be determined carefully, but occurrence of an error due to dust or the like,
情報記録媒体の管理状況、使用状況によっても大きく変るため、一律に決定できないものである。 Management of the information recording medium, since the changes largely even by usage, but which can not be uniformly determined.

【0044】図3はそのような事態に対して行うものであって、データの書き込みおよびリトライ回数の設定を可変にした処理手続きの一例を示すフローチャートである。 [0044] Figure 3 is a performs against such a situation is a flowchart illustrating an example of processing procedure in which the set of write and retry count data variable. 図に従ってその流れを説明すると、まずステップP To describe the flow in accordance with the figure, first, in step P
00でリトライ回数の設定を行うのか、実際にデータを書き込むのかを判定する。 00 how to set the number of retries, it is determined whether write the actual data. リトライ回数の設定の場合はP101において指定されたリトライ上限回数をnへと変更し、処理を終了する。 Retry limit number of times specified in P101 For the retry count setting changed to n, the process ends. ここでnとは、図示しない別の手段、例えば、キーボードのような入力装置によってユーザから装置に対して入力される任意の数で、少なくとも本手続きの開始以前に装置に入力されているものとする。 Here, n is a separate unit (not shown), for example, any number input to the device from the user by the input device such as a keyboard, and those that have been entered before the start the apparatus of at least the procedures to. データ書き込みの場合には、ステップP01でデータを通常のデータ記録領域に書き込む。 In the case of data writing, write data to normal data recording area in step P01. ステップP0 Step P0
2で前記書き込みが正常に行えたか否かを確認し、書き込みが正常に行えたならば、書き込み処理を終了する。 The writing 2 confirms whether performed normally, if writing is performed normally, and ends the writing process.

【0045】エラーの場合には、ステップP03において、交代用領域に前記デ−タを書き込む。 [0045] In the case of an error, in step P03, the de alternately area - writing data. この結果をステップP04で判定し、正常に書き込めていたならばステップP06において今回の交代処理の履歴情報を情報記録媒体上に記録し、処理を終了する。 The result was determined in Step P04, a history information of the current alternation process on the information recording medium in step P06 if had written normally, and ends the process. この場合、表面上は目的のデータが正しく記録されたものとして扱うと、書き込みを要求した上位の手続きが簡単になる。 In this case, when the surface is treated as the object of the data has been recorded correctly, the higher the procedure is simplified that requested the write.

【0046】一方、ステップP04で正常に書き込まれていないと判定された場合には、ステップP05において予め決められているリトライ回数を1だけ減じ、ステップP07においてそれが規定回数以内か否かを判定する。 Meanwhile, if it is determined that not normally written at step P04, it decreased by 1 the number of retries that are predetermined in step P05, determine whether it is within the specified number of times at step P07 to. その結果、限度内の場合には、再びステップP03 As a result, in the case of the limits, again step P03
に分岐し、交代用領域に対する書き込みを行う。 Branches to writes for alternate area.

【0047】このようにして、規定回数に達するまではリトライの書き込みを行う。 [0047] In this way, it is to write retry until it reaches the specified number of times. 規定回数以内でリトライが成功しない場合にはステップP08においてエラー処理を行う。 Error processing is performed in step P08 if the retry within the prescribed number of times is not successful. すなわち、この場合にはデータ書き込み処理が最終的に失敗したことになる。 That is, in this case is that the data writing process has been eventually fail.

【0048】このように、ステップP05において用いているリトライ回数の上限値を、ステップP101において任意に設定できるようにすることにより、例えば、 [0048] Thus, the upper limit of the retry count that is used in step P05, by can be arbitrarily set in step P101, for example,
データ書き込み時のエラー等をあまり考慮せずに、処理を簡略化したい場合には、リトライ回数も多目に設定し、書き込み時のエラー発生状態を把握したい場合にはリトライ回数を少な目に設定すると云った用法を可能になる。 Without considering the data write time of the error or the like so, if you want to simplify the process, set the number of retries is also versatile, setting the fewer the number of retries if you want to know the error condition at the time of writing made possible the kind of usage. すなわち、リトライ回数も多目に設定することで、書き込み時にエラーが発生しても、リトライ限度回数以内で書き込みが成功する確率が高くなるため、最終的な書き込みエラーの発生頻度は低下することになり、 That is, the number of retries also be set versatile, even if an error occurs during writing, the probability of the writing is successful within the retry limit number of times is high, that the frequency of occurrence of the final write error is reduced now,
データ書き込み時のエラー等を考慮せずに済み、処理が簡略化される。 Finished without considering an error or the like at the time of data write, the process is simplified.

【0049】逆に、リトライ回数を少な目に、例えば“1”といった数値に設定すると、データ用交代領域で発生した書き込みエラーを上位手続き中で把握できるため(すなわち、オペレータサイドで知ることができるために)、情報記録媒体の汚れ等といった異常ケースを検出するのに役立ち、書き込み時のエラー発生状態などをある程度克明に把握することができるようになる他、無駄な交代処理を省くことが可能になる。 [0049] Conversely, the number of retries to fewer, for example, set to a numerical value such as "1", for a write error generated in data replacement area can be grasped in the upper procedure (i.e., it is possible to know at the operator side in), help detect abnormal case such dirt information recording medium, in addition to comprising such an error state at the time of writing to be able to some extent Katsuaki grasped, it can be eliminated wasteful replacement processing Become.

【0050】 [0050]

【発明の効果】以上詳述したように、本発明の情報記録再生方法によれば、媒体上の各種領域を自由に拡張出来るため、媒体上の未使用領域を有効に利用することが可能となり、特に重要な領域に関しては、優先的にその領域を拡張できるため、情報記録時の信頼性が向上することになる。 As described above in detail, according to the information recording and reproducing method of the present invention, because it can extend the various regions on the medium freely, it becomes possible to effectively utilize the unused area on the medium , particularly for critical regions, since it is possible to extend the preferential that area, so that the reliability is improved at the time of information recording.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明の実施例を説明するための図であって、 [1] A diagram for explaining an embodiment of the present invention,
本発明が適用可能な光カードの概要を説明する図。 Diagram for describing the outline of the present invention is applicable optical card.

【図2】本発明の実施例を説明するための図であって、 [Figure 2] A diagram for explaining an embodiment of the present invention,
図1の光カードのトラック、セクタの構成例を説明する図。 Diagram describing a track of the optical card, an example of the structure of the sector of FIG.

【図3】トリライ回数設定手順を含めた交代処理の手順を説明する流れ図。 Figure 3 is a flow diagram illustrating the procedure of replacement process, including Torirai number setting procedure.

【図4】本発明の実施例を説明するための図であって、 [4] A diagram for explaining an embodiment of the present invention,
各種情報記録用領域の初期時での配分構成を説明する図。 Diagram for explaining the distribution structure of the initial time of various information recording area.

【図5】本発明の実施例を説明するための図であって、 [5] A diagram for explaining an embodiment of the present invention,
本発明によるデータ用交代領域の拡張を施した様子を説明する図。 Diagram for explaining a state subjected to data expansion for replacement area according to the present invention.

【図6】本発明の実施例を説明するための図であって、 [6] A diagram for explaining the embodiments of the present invention,
本発明による処理の流れを説明する流れ図。 Flow diagram illustrating the flow of processing according to the present invention.

【図7】本発明の実施例を説明するための図であって、 [Figure 7] A diagram for explaining the embodiments of the present invention,
本発明による記録領域の拡張情報の記録形式を説明する図。 Diagram for explaining the recording format of the extended information recording area according to the present invention.

【図8】本発明の実施例を説明するための図であって、 [8] A diagram for explaining an embodiment of the present invention,
本発明による記録領域の拡張方法の別の例を説明する図。 Diagram illustrating another example of how to extend the recording area according to the present invention.

【図9】本発明の実施例を説明するための図であって、 [9] A diagram for explaining the embodiments of the present invention,
本発明の第2実施例による記録領域の拡張方法の別の例を説明する図。 Diagram illustrating another example of how to extend the recording area according to a second embodiment of the present invention.

【図10】本発明の実施例を説明するための図であって、本発明の第2実施例の処理を説明するための流れ図。 [Figure 10] A diagram for explaining the embodiments of the present invention, a flow diagram for explaining a process of the second embodiment of the present invention.

【符号の説明】 DESCRIPTION OF SYMBOLS

1…追記型情報記録媒体(光カード) 2…記録領域 11…管理情報用領域 11EXT…管理情報用領域の拡張領域 12…データ用領域 12a…データ用領域の使用済み領域 12b…データ用領域の未使用領域 13…データ用交代領域 13a…データ用交代領域の使用済み領域 13b…データ用交代領域の未使用領域 13EXT…データ用交代領域の拡張領域 1 ... write-once information recording medium (optical card) 2 ... recording area 11 ... management information area 11EXT ... management information area extended area 12 ... of the data area 12a ... data area of ​​the used area 12b ... Data area extended area of ​​unused space 13 ... unused area 13EXT ... data replacement area of ​​the used area 13b ... data for replacement area of ​​the data replacement area 13a ... data alternation area

Claims (1)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 情報を記録するための情報記録領域と、 1. A information recording area for recording information,
    その情報の記録に失敗した場合およびその情報の書き換えを行う場合に書き込みに用いる交代用情報記録領域と、情報の交代が行われた場合にその交代処理の履歴を管理するための情報を記録するための管理情報記録領域とを有する追記型の情報記録媒体に対する情報記録の際の交代処理方法において、 ある用途の記録領域のうち、未使用領域が所要量以下となったとき、他の用途用の記録領域の未使用領域の少なくとも一部を前記ある用途の記録領域のための拡張領域として割り当て、記録に供することを特徴とする追記型情報記録媒体の情報記録における交代処理方法。 Recording a replacement for information recording area used for writing, the information for managing the history of the replacement process when a change of information is performed when rewriting the case and the information failed to record the information in replacement processing method used for information recording for the write-once information recording medium having a management information recording area for, in the recording area of ​​a certain application, when the unused area is equal to or less than the required amount, for other applications at least a portion of the assignment as an extension area for recording area of ​​said certain applications, replacement processing method in an information recording write-once information recording medium characterized by subjecting the recording of an unused area of ​​the recording area.
JP12904593A 1993-05-31 1993-05-31 Alternate processing method in information recording of writing once type information recording medium Withdrawn JPH06338139A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12904593A JPH06338139A (en) 1993-05-31 1993-05-31 Alternate processing method in information recording of writing once type information recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12904593A JPH06338139A (en) 1993-05-31 1993-05-31 Alternate processing method in information recording of writing once type information recording medium

Publications (1)

Publication Number Publication Date
JPH06338139A true JPH06338139A (en) 1994-12-06

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