JP2599706B2 - Optical disk device - Google Patents
Optical disk deviceInfo
- Publication number
- JP2599706B2 JP2599706B2 JP60121994A JP12199485A JP2599706B2 JP 2599706 B2 JP2599706 B2 JP 2599706B2 JP 60121994 A JP60121994 A JP 60121994A JP 12199485 A JP12199485 A JP 12199485A JP 2599706 B2 JP2599706 B2 JP 2599706B2
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- data
- disk medium
- recording
- area
- 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.)
- Expired - Lifetime
Links
Landscapes
- Optical Recording Or Reproduction (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Description
【発明の詳細な説明】 〔概 要〕 本発明は光ディスク制御装置において、記録不良が発
生した時の代替データの記録方式及び該代替データ再生
をテーブルエリアを使用して高速に行なう方式である。DETAILED DESCRIPTION OF THE INVENTION [Overview] The present invention is a method of recording alternative data when a recording failure occurs and a method of reproducing the alternative data at high speed using a table area in an optical disk control device.
本発明は情報処理分野におけるデータの記録媒体であ
る光ディスク装置に係り、特に該光ディスクにデータ記
録時に書込み不良（記録媒体不良）を検出し、該データ
を別の領域に再書込みを行ない、更に該位置情報を別の
領域に書込むとともに速やかに該データを再生させる光
ディスク装置に関する。The present invention relates to an optical disk device which is a data recording medium in the field of information processing, and in particular, detects a writing defect (recording medium defect) when recording data on the optical disk, rewrites the data to another area, and further writes the data. The present invention relates to an optical disk device that writes position information to another area and quickly reproduces the data.
従来の光ディスク装置、特に一度しかデータを書き込
めない方式の追加記録型の光ディスク装置では、特開昭
60−74020号公報に示されるように、光ディスクの他に
一時的に記録する磁気ディスクにテストデータを記録
し、記録終了後それぞれに記録された前記データを再生
し、それらの比較によって記録状態を判別し、記録不良
であれば交代領域を割り当てて再記録させていた。A conventional optical disk device, especially an additional recording type optical disk device in which data can be written only once, is disclosed in
As shown in JP-A-60-74020, test data is recorded on a magnetic disk to be temporarily recorded in addition to the optical disk, and after recording is completed, the recorded data is reproduced. If it is determined that the recording is defective, a replacement area is allocated and re-recorded.
前記従来の装置は、データを記録した後前記データを
一旦再生比較して記録不良を検出し交代処理を行うの
で、データ処理に時間を要していた。本発明は光ディス
ク装置において記録不良が発生した場合の代替データの
記録、再生を高速に行なうことを目的とする。In the conventional apparatus, after data is recorded, the data is once reproduced and compared to detect a recording failure and perform a replacement process, so that data processing takes time. An object of the present invention is to perform high-speed recording and reproduction of substitute data when a recording failure occurs in an optical disk device.
該目的は、光ディスク装置において、上位制御装置５
から光ディスク媒体２にデータを記録（書込む）際に、
該書込みデータの不良を検出する記録不良検出回路15に
より不良が検出されたときは、該光ディスク媒体２の交
代領域18の所定の空白領域に該データを書き込むととも
に該データの位置情報をテーブルエリア21の位置情報と
して記録する。他方該データを再生する場合は、該テー
ブルエリア21の位置情報に基づき交代領域18内の所望の
データを読み出し上位制御装置５へ送信することを特徴
とする光ディスク装置により達成される。The purpose is to control the higher-level control device 5 in the optical disk device.
When recording (writing) data on the optical disk medium 2 from
When a defect is detected by the recording defect detecting circuit 15 for detecting the defect of the write data, the data is written into a predetermined blank area of the replacement area 18 of the optical disk medium 2 and the position information of the data is stored in the table area 21. Is recorded as position information. On the other hand, the reproduction of the data is achieved by an optical disk device characterized by reading out desired data in the replacement area 18 based on the position information of the table area 21 and transmitting the data to the host controller 5.
本発明は光ディスク媒体へのデータの書込みの際に、
記録不良を検出する回路により不良が検出されたとき、
該データを光ディスク媒体の別領域（正常領域）にも書
き込み、該データの再生の場合は該別領域の所望のデー
タを読み出すことによりデータの信頼度の向上を目指す
方式である。The present invention provides a method for writing data to an optical disc medium.
When a defect is detected by the circuit for detecting a recording defect,
In this method, the data is written in another area (normal area) of the optical disk medium, and in the case of reproducing the data, desired data in the other area is read to improve the reliability of the data.
以下図面を参照しつつ本発明を詳細に説明する。 Hereinafter, the present invention will be described in detail with reference to the drawings.
図は本発明の一実施例を示す原理ブロック構成図であ
る。FIG. 1 is a principle block diagram showing an embodiment of the present invention.
図において、１は光ディスク制御装置、２は光ディス
ク媒体、３は光ディスクドライブ装置、４は上位装置イ
ンタフェース、５は上位制御装置、６はインタフェース
制御装置、７は書込バッファ、８は書込制御回路、８′
は変調回路、９は発光ダイオード、10はレンズ、11はデ
ータ領域、12はデータ、13はレンズ、14は検出器、15は
記録不良検出回路、16は記録位置制御回路、17は台車、
18は交代領域、19はデータ、20は位置情報、21はテーブ
ルエリア、22は復調回路、23は読出しバッファ、24は読
出し制御回路である。In the figure, 1 is an optical disk control device, 2 is an optical disk medium, 3 is an optical disk drive device, 4 is a higher-level device interface, 5 is a higher-level control device, 6 is an interface control device, 7 is a write buffer, and 8 is a write control circuit. , 8 '
Is a modulation circuit, 9 is a light emitting diode, 10 is a lens, 10 is a data area, 12 is data, 13 is a lens, 14 is a detector, 15 is a recording failure detection circuit, 16 is a recording position control circuit, 17 is a cart,
Reference numeral 18 denotes a replacement area, 19 denotes data, 20 denotes position information, 21 denotes a table area, 22 denotes a demodulation circuit, 23 denotes a read buffer, and 24 denotes a read control circuit.
今、光ディスク制御装置１と光ディスク媒体２を含む
光ディスクドライブ装置３からなる図１の様な実施例で
説明する。光ディスク制御装置１は上位装置インタフェ
ース４を通じて上位制御装置５とインタフェース制御装
置６が接続されている。該上位制御装置５から送出され
たデータは上位装置インタフェース４、インタフェース
制御装置６、書込制御回路８の制御下にある書込バッフ
ァ７、変調回路８′を経由して光ディスクドライブ装置
３へ送信される。該データは発光ダイオード９により電
気信号から光信号へ変換され、レンズ10を経由して光デ
ィスク媒体２のデータ領域11へデータ12として記録され
る。と同時にレンズ13を経由して検出器14で検知される
反射光の状態を記録不良検出回路15でモニタし記録不良
が検出された場合、記録位置制御回路16が台車17を光デ
ィスク媒体２の交代領域の所定の記録可能な位置（空白
領域、未だデータが記録されていない位置）へ移動させ
データ19として該データを再記録する。更に後日におけ
るデータ19の再生の為、光ディスク媒体２のテーブルエ
リア21へ台車17を移動し、該データ19の書き込んだ位置
情報20（アドレス情報）を記録する。他方、後日、上位
制御装置５へ該データ12を送出する要求が発生した場合
は該台車17を光ディスク媒体２のテーブルエリア21へ移
動させ、該位置情報20より交代領域18内の該データ19の
位置を解読し、台車17を該交代領域18へ移動させ所望の
データ19を検出器14で受け取り復調回路22、読み出しバ
ッファ23、インタフェース制御装置６を経由して該上位
制御装置５へ送信するものである。Now, a description will be given of an embodiment as shown in FIG. 1 including an optical disk control device 1 and an optical disk drive device 3 including an optical disk medium 2. In the optical disk control device 1, a host control device 5 and an interface control device 6 are connected through a host device interface 4. The data sent from the host controller 5 is transmitted to the optical disk drive 3 via the host interface 4, the interface controller 6, the write buffer 7 under the control of the write control circuit 8, and the modulation circuit 8 '. Is done. The data is converted from an electric signal to an optical signal by the light emitting diode 9, and is recorded as data 12 in the data area 11 of the optical disk medium 2 via the lens 10. At the same time, the state of the reflected light detected by the detector 14 via the lens 13 is monitored by the recording defect detection circuit 15, and if a recording defect is detected, the recording position control circuit 16 replaces the carriage 17 with the optical disk medium 2. The data is moved to a predetermined recordable position of the area (blank area, a position where no data is recorded), and the data is re-recorded as data 19. Further, in order to reproduce the data 19 at a later date, the carriage 17 is moved to the table area 21 of the optical disk medium 2 and the position information 20 (address information) where the data 19 is written is recorded. On the other hand, when a request to send the data 12 to the host controller 5 is issued at a later date, the carriage 17 is moved to the table area 21 of the optical disk medium 2 and the position information 20 is used to store the data 19 in the replacement area 18. The position is decoded, the carriage 17 is moved to the alternation area 18, the desired data 19 is received by the detector 14, and transmitted to the higher-level control device 5 via the demodulation circuit 22, the read buffer 23, and the interface control device 6. It is.
以上説明した通り本発明によれば、光ディスク媒体に
データを記録する際に光ディスク媒体からの反射光の状
態をモニタすることで、記録不良を判定して、不良のと
きは迅速に同一データを別領域に記録するため、データ
処理の信頼性が向上する効果がある。As described above, according to the present invention, when data is recorded on an optical disk medium, the state of reflected light from the optical disk medium is monitored to determine a recording failure, and when there is a failure, the same data is quickly separated. Since the data is recorded in the area, there is an effect that the reliability of data processing is improved.
図は本発明の一実施例を示す原理ブロック構成図であ
る。 記号の説明、１は光ディスク制御装置、２は光ディスク
媒体、３は光ディスクドライブ装置、４は上位装置イン
タフェース、５は上位制御装置、６はインタフェース制
御装置、７は書込バッファ、８は書込制御回路、８′は
変調回路、９は発光ダイオード、10はレンズ、11はデー
タ領域、12はデータ、13はレンズ、14は検出器、15は記
録不良検出回路、16は記録位置制御回路、17は台車、18
は変化領域、19はデータ、20は位置情報、21はテーブル
エリア、22は復調回路、23は読出しバッファ、24は読出
し制御回路。FIG. 1 is a principle block diagram showing an embodiment of the present invention. Explanation of symbols 1 is an optical disk control device, 2 is an optical disk medium, 3 is an optical disk drive device, 4 is a higher-level device interface, 5 is a higher-level control device, 6 is an interface control device, 7 is a write buffer, and 8 is a write control. Circuit, 8 'is a modulation circuit, 9 is a light emitting diode, 10 is a lens, 11 is a data area, 12 is data, 13 is a lens, 14 is a detector, 15 is a recording failure detection circuit, 16 is a recording position control circuit, 17 Is a trolley, 18
Is a change area, 19 is data, 20 is position information, 21 is a table area, 22 is a demodulation circuit, 23 is a read buffer, and 24 is a read control circuit.
Claims (1)
る発光手段と、 前記発光手段からの光を前記光ディスク媒体（２）に導
き、かつ前記光ディスク媒体（２）からの反射光を導く
ためのレンズ（10）と、 前記光ディスク媒体（２）にデータを記録するように前
記発光手段に書込み動作させる書込手段と、 前記光ディスク媒体（２）からの反射光を検出する検出
手段（14）と、 前記レンズ（10）を経由して導かれた前記光ディスク媒
体（２）からの反射光を前記検出手段（14）に導く光学
部品と、 データの読み出し時に、前記検出手段（14）の出力に基
づいて前記光ディスク媒体（２）に記録されたデータを
再生する読み出し手段と、 データの書込み時に、前記検出手段（14）によってデー
タの書込みと同時に検出された前記光ディスク媒体
（２）からの反射光の状態をモニタすることで記録不良
を検出する記録不良検出手段（15）と、 前記記録不良検出手段（15）が記録不良を検出した際、
前記データを前記光ディスク媒体（２）の交代領域（1
8）に再記録させ、かつ再記録した位置情報を前記光デ
ィスク媒体（２）のテーブル領域（21）に記録させる交
代制御を行う制御手段と、 を備えてなることを特徴とする光ディスク装置。A light emitting unit for emitting light for irradiating the optical disk medium; and a light source for guiding light from the light emitting unit to the optical disk medium and guiding reflected light from the optical disk medium. A lens (10), writing means for writing to the light emitting means so as to record data on the optical disk medium (2), and detecting means (14) for detecting reflected light from the optical disk medium (2) An optical component for guiding reflected light from the optical disk medium (2) guided through the lens (10) to the detection means (14); and an output of the detection means (14) when reading data. Reading means for reproducing data recorded on the optical disk medium (2) based on the data, and the optical disk medium detected at the same time as the data writing by the detecting means (14) when writing the data. (2) the record defect detecting means for detecting a record defect (15) by monitoring the state of the reflected light from, when the record defect detecting means (15) detects a defective recording,
The data is stored in an alternate area (1) of the optical disk medium (2).
8) control means for performing a replacement control for re-recording on the table area (21) of the optical disk medium (2), and recording the re-recorded position information on the table area (21) of the optical disk medium (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60121994A JP2599706B2 (en) | 1985-06-05 | 1985-06-05 | Optical disk device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60121994A JP2599706B2 (en) | 1985-06-05 | 1985-06-05 | Optical disk device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61280075A JPS61280075A (en) | 1986-12-10 |
| JP2599706B2 true JP2599706B2 (en) | 1997-04-16 |
Family
ID=14824931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60121994A Expired - Lifetime JP2599706B2 (en) | 1985-06-05 | 1985-06-05 | Optical disk device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2599706B2 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5963032A (en) * | 1982-10-01 | 1984-04-10 | Nec Corp | Optical disk processing device |
| JPS601672A (en) * | 1983-06-17 | 1985-01-07 | Fujitsu Ltd | Processing method for defective block of magnetic disk device |
| JPS6069865A (en) * | 1983-09-26 | 1985-04-20 | Toshiba Corp | Disc device |
| JPS6074020A (en) * | 1983-09-30 | 1985-04-26 | Toshiba Corp | Storage device |
| JPS6095768A (en) * | 1983-10-31 | 1985-05-29 | Matsushita Electric Ind Co Ltd | Information recording and reproducing device |
| JPS60171677A (en) * | 1984-02-15 | 1985-09-05 | Yokogawa Hokushin Electric Corp | Method for processing fault of storing medium |
-
1985
- 1985-06-05 JP JP60121994A patent/JP2599706B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61280075A (en) | 1986-12-10 |
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