JPH05289826A - Controller for magnetic recording and reproducing device - Google Patents
Controller for magnetic recording and reproducing deviceInfo
- Publication number
- JPH05289826A JPH05289826A JP4085293A JP8529392A JPH05289826A JP H05289826 A JPH05289826 A JP H05289826A JP 4085293 A JP4085293 A JP 4085293A JP 8529392 A JP8529392 A JP 8529392A JP H05289826 A JPH05289826 A JP H05289826A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic recording
- data
- reproducing
- recording
- reproducing apparatus
- 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.)
- Pending
Links
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、磁気記録再生装置と通
信を行い、磁気媒体のコピーを行うのに好適な磁気記録
再生装置の制御装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control device for a magnetic recording / reproducing device suitable for communicating with the magnetic recording / reproducing device to copy a magnetic medium.
【０００２】[0002]
【従来の技術】ＡＮＳＩ Ｘ３．１３１−１９８６ Ｓ
ＣＳＩ日本規格協会(Small ComputerSystem Interface)
によれば、ＳＣＳＩ装置間でコピーを行おうとしたと
き、ＣＯＰＹコマンドを使用することができる。ＣＯＰ
Ｙコマンドでは、ある論理ユニットから他の論理ユニッ
トへ、あるいは同一ユニット内へデータをコピーする。2. Description of the Related Art ANSI X3.131-1986 S
CSI Japanese Standards Association (Small Computer System Interface)
According to this, when a copy is attempted between SCSI devices, the COPY command can be used. COP
The Y command copies data from one logical unit to another logical unit or within the same unit.
【０００３】[0003]
【発明が解決しようとする課題】前記ＣＯＰＹコマンド
を磁気記録再生装置に使用した場合、１回のコマンドで
１本のテープしか作ることができない。該テープ作成時
間は、該磁気記録再生装置のデータ平均伝送速度により
制限を受ける。本発明の目的は、磁気記録再生装置によ
るコピーを該装置のデータ平均伝送速度より速い速度で
行うことにある。When the COPY command is used in the magnetic recording / reproducing apparatus, only one tape can be produced by one command. The tape production time is limited by the average data transmission speed of the magnetic recording / reproducing apparatus. An object of the present invention is to perform copying by a magnetic recording / reproducing device at a speed higher than the average data transmission speed of the device.
【０００４】[0004]
【課題を解決するための手段】磁気記録再生装置では、
通常データ平均伝送速度は該磁気媒体への記録再生速度
で決まる。該装置の通信速度がデータ平均伝送速度に比
較して倍以上速い場合、制御装置が再生データを一旦制
御装置内に記憶する記憶手段及び前記通信速度で通信可
能な通信手段を備え、該通信手段で受信し、該記憶手段
で記憶したデータをコピー先の複数の磁気記録再生装置
に送信するという動作を順次繰り返すことにより、該装
置のデータ平均伝送速度より速い速度でコピーを行うこ
とができる。 すなわち、データの受信時間と、１台の
磁気記録再生装置への送信時間の和がデータ平均伝送速
度より速い場合で、かつ受信したデータを複数の磁気記
録再生装置に送信する場合、データ平均伝送速度より速
い速度でコピーすることができる。In a magnetic recording / reproducing apparatus,
Usually, the average data transmission speed is determined by the recording / reproducing speed on the magnetic medium. When the communication speed of the device is more than twice as high as the average data transmission speed, the control device comprises a storage means for temporarily storing the reproduction data in the control device and a communication means capable of communicating at the communication speed. By sequentially repeating the operation of receiving the data stored in the storage means and transmitting the data stored in the storage means to a plurality of magnetic recording / reproducing devices that are copy destinations, copying can be performed at a speed higher than the average data transmission speed of the device. That is, when the sum of the data reception time and the transmission time to one magnetic recording / reproducing device is faster than the data average transmission speed, and when the received data is transmitted to a plurality of magnetic recording / reproducing devices, the data average transmission You can copy faster than speed.
【０００５】[0005]
【作用】磁気記録再生装置間でデータのコピーを行う場
合、該装置のデータ平均伝送速度に比較して該装置及び
該制御装置の通信速度が倍以上速く、通信データを記憶
する記憶手段を制御装置が備えていれば、再生側の磁気
記録再生装置から再生データを受信し、記録側の磁気記
録再生装置に複数回送信するという動作を繰り返すこと
により、データ平均伝送速度より速い速度でコピーする
ことができる。When copying data between magnetic recording / reproducing devices, the communication speed of the device and the control device is more than twice as fast as the average data transmission speed of the device, and the storage means for storing the communication data is controlled. If the device is provided, the reproduction data is received from the reproducing magnetic recording / reproducing device, and the operation of transmitting to the recording magnetic recording / reproducing device a plurality of times is repeated, thereby copying at a speed higher than the average data transmission speed. be able to.
【０００６】すなわち、磁気記録再生装置において、実
際に記録再生に要する時間からデータ通信に必要な時間
を引いた時間を用いて、本発明装置が複数の磁気記録装
置にデータを転送することにより、該時間を有効に使用
することができる。That is, in the magnetic recording / reproducing apparatus, the apparatus of the present invention transfers data to a plurality of magnetic recording apparatuses by using the time required for the data recording / reproduction minus the time required for the data communication. The time can be used effectively.
【０００７】[0007]
【実施例】以下、本発明の一実施例を図１、図２により
説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.
【０００８】図１は、本発明のコピーシステムの一実施
例を示すシステム構成図であり、１はコピー制御装置で
あり、コピー制御装置１は該装置の制御を行う制御部
２、通信データの記憶、再生を行うメモリ３、外部装置
と通信を行う通信部４で構成されている。コピー制御装
置１は、通信部４を介して、第１の磁気記録再生装置５
及び第２の磁気記録再生装置６、第３の磁気記録再生装
置７、第４の磁気記録再生装置８と接続されている。FIG. 1 is a system configuration diagram showing an embodiment of a copy system of the present invention. Reference numeral 1 is a copy control apparatus, and the copy control apparatus 1 is a control unit 2 for controlling the apparatus and communication data. It is composed of a memory 3 for storing and reproducing and a communication unit 4 for communicating with an external device. The copy control device 1 uses the first magnetic recording / reproducing device 5 via the communication unit 4.
It is also connected to the second magnetic recording / reproducing device 6, the third magnetic recording / reproducing device 7, and the fourth magnetic recording / reproducing device 8.
【０００９】図２は、本実施例におけるコピー制御装置
の制御フローを示したものである。FIG. 2 shows a control flow of the copy control apparatus in this embodiment.
【００１０】以下、図１および図２を用いて、本実施例
の動作を説明する。The operation of this embodiment will be described below with reference to FIGS. 1 and 2.
【００１１】本実施例では、第１の磁気記録再生装置５
で再生したデータを第２の磁気記録再生装置６及び第３
の磁気記録再生装置７、第４の磁気記録再生装置８にて
データを記録する場合を考える。なお、磁気記録再生装
置５〜８は該装置内にデータを記憶再生するデータバッ
ファを備えており、データ記録再生速度を２００Kbytes
／ｓ、データ通信速度を１Mbytes／ｓ、データは２００
Kbytes単位で通信を行うものとする。In this embodiment, the first magnetic recording / reproducing apparatus 5 is used.
The data reproduced by the second magnetic recording / reproducing device 6 and the third magnetic recording / reproducing device 6
Consider a case where data is recorded by the magnetic recording / reproducing apparatus 7 and the fourth magnetic recording / reproducing apparatus 8 of FIG. The magnetic recording / reproducing devices 5 to 8 have a data buffer for storing and reproducing data in the device, and the data recording / reproducing speed is 200 Kbytes.
/ S, data communication speed 1Mbytes / s, data 200
Communication shall be performed in units of Kbytes.
【００１２】コピー制御装置は、まず第１の磁気記録再
生装置で再生した２００Kbytesのデータを通信部を介し
受信し、メモリ内に記憶する。（手順１）コピー制御装
置は、次にメモリ内に記憶したデータを通信部を介し、
第２の磁気記録再生装置に記録データとして送信し、
（手順２）さらに、第３の磁気記録再生装置及び第４の
磁気記録再生装置に前記手順を繰り返すことで、記録デ
ータを送信する。（手順３、４）また、コピー制御装置
が前記手順１〜４を行っている間も磁気記録再生装置５
〜８はそれぞれデータの再生及び記録を行い、データ再
生、記録速度が２００Kbytes／ｓであることから、再
生、記録データの通信を行ってから１秒後に再び再生、
記録データの通信を行うことで、磁気記録再生装置５〜
８は停止することなく、最も効率の良い形で、データの
記録、再生を行うことができる。The copy control apparatus first receives 200 Kbytes of data reproduced by the first magnetic recording / reproducing apparatus via the communication section and stores it in the memory. (Procedure 1) The copy control device then transfers the data stored in the memory via the communication unit,
Transmitted as recorded data to the second magnetic recording / reproducing apparatus,
(Procedure 2) Further, the recording data is transmitted to the third magnetic recording / reproducing apparatus and the fourth magnetic recording / reproducing apparatus by repeating the above procedure. (Procedures 3 and 4) The magnetic recording / reproducing apparatus 5 is also operated while the copy control apparatus is performing the above-mentioned steps 1 to 4.
8 to 8 respectively perform data reproduction and recording. Since the data reproduction and recording speed is 200 Kbytes / s, reproduction and recording data communication is performed again 1 second later,
By performing communication of recorded data, the magnetic recording / reproducing apparatus 5 to
In No. 8, data can be recorded and reproduced in the most efficient manner without stopping.
【００１３】換言するならば、効率良くデータの再生、
記録を行うためには、手順１〜４を１秒以内に終了しな
ければならない。In other words, efficient data reproduction,
In order to perform recording, steps 1 to 4 must be completed within 1 second.
【００１４】本実施例では、データ転送速度が１Mbytes
／ｓであるので、手順１〜４のそれぞれのデータの動作
時間は０.２秒となり、累計しても０.８秒にしかなら
ず、効率良くデータの再生、記録を行っている。In this embodiment, the data transfer rate is 1 Mbytes.
/ S, the operation time of each data in steps 1 to 4 is 0.2 seconds, and the cumulative total is only 0.8 seconds, and the data is efficiently reproduced and recorded.
【００１５】コピー制御装置を用いず、再生側の磁気記
録再生装置から記録側の磁気記録再生装置にコピーする
場合は、データ再生、記録速度によりデータ平均伝送速
度が決まる、すなわち、２００Kbytes／ｓの速度でしか
データをコピーできないのに対し、本発明であるコピー
制御装置を介した場合、データ再生、記録速度より速い
速度で（本実施例では記録側に磁気記録再生装置を３台
接続しており、データ平均伝送速度は６００Kbytes／ｓ
となる）コピーできる。When copying from the magnetic recording / reproducing device on the reproducing side to the magnetic recording / reproducing device on the recording side without using the copy control device, the average data transmission speed is determined by the data reproduction and recording speed, that is, 200 Kbytes / s. While data can be copied only at the speed, when the copy control device of the present invention is used, the data reproduction and the recording speed are higher than those (in the present embodiment, three magnetic recording / reproducing devices are connected to the recording side). And the average data transmission speed is 600 Kbytes / s
Can be copied.
【００１６】[0016]
【発明の効果】コピー制御装置を用いず、再生側の磁気
記録再生装置から記録側の磁気記録再生装置にコピーす
る場合は、データ再生、記録速度により平均データ通信
速度が決まる、すなわち、データ再生、記録速度でしか
データをコピーできないのに対し、データ再生、記録速
度に対し最大データ通信速度が倍以上速く、本発明であ
るコピー制御装置を介すと、磁気記録再生装置間でデー
タ再生、記録速度より速い速度で、効率良くデータのコ
ピーを行うことができる。When copying from the magnetic recording / reproducing device on the reproducing side to the magnetic recording / reproducing device on the recording side without using the copy control device, the average data communication speed is determined by the data reproducing and recording speed, that is, the data reproducing. While the data can be copied only at the recording speed, the maximum data communication speed is more than twice as fast as the data reproduction and the recording speed. Through the copy control device of the present invention, the data reproduction between the magnetic recording and reproducing devices can be performed. Data can be efficiently copied at a speed higher than the recording speed.
【図１】コピーシステムのシステム構成図である。FIG. 1 is a system configuration diagram of a copy system.
【図２】コピー制御装置の制御フロー図である。FIG. 2 is a control flow chart of the copy control apparatus.
１…コピー制御装置、 ２…制御部、 ３…メモリ、 ４…通信部、 ５…第１の磁気記録再生装置、 ６…第２の磁気記録再生装置、 ７…第３の磁気記録再生装置、 ８…第４の磁気記録再生装置。 DESCRIPTION OF SYMBOLS 1 ... Copy control apparatus, 2 ... Control part, 3 ... Memory, 4 ... Communication part, 5 ... 1st magnetic recording / reproducing apparatus, 6 ... 2nd magnetic recording / reproducing apparatus, 7 ... 3rd magnetic recording / reproducing apparatus, 8 ... Fourth magnetic recording / reproducing apparatus.
Claims (4)
と該通信手段により通信を行ったデータの記憶再生を行
う記憶再生手段を備えた制御装置において、該通信手段
に接続された第一の磁気記録再生装置より得た再生デー
タを該磁気記録再生装置以外の複数の磁気記録再生装置
に順次記録データとして送信し、前記磁気記録再生装置
のデータ平均伝送速度の倍以上の通信速度で通信するこ
とを特徴とする磁気記録再生装置の制御装置。1. A control device comprising a communication means, a control means for controlling the communication means, and a storage / reproduction means for storing / reproducing data communicated by the communication means, a first device connected to the communication means. The reproduction data obtained from the magnetic recording / reproducing apparatus is sequentially transmitted as recording data to a plurality of magnetic recording / reproducing apparatuses other than the magnetic recording / reproducing apparatus, and communication is performed at a communication speed more than twice the average data transmission speed of the magnetic recording / reproducing apparatus. A control device for a magnetic recording / reproducing apparatus characterized by:
の磁気記録装置の機能または、データの記録を行う複数
の磁気記録再生装置のうちの１台としての機能を備えた
ことを特徴とする磁気記録再生装置の制御装置。2. The device according to claim 1, wherein the device has a function of a first magnetic recording device for reproducing data or a function as one of a plurality of magnetic recording / reproducing devices for recording data. Control device for magnetic recording / reproducing apparatus.
された磁気記録再生装置に一定のデータ量が該装置の最
大の通信速度で通信可能かどうかをきく通信コマンドを
備えたことを特徴とする磁気記録再生装置の制御装置。3. A magnetic recording / reproducing apparatus connected by the communication means according to claim 1, further comprising a communication command for determining whether or not a certain amount of data can be communicated at a maximum communication speed of the apparatus. Control device for magnetic recording / reproducing apparatus.
ＳＩ(Small Computer System Interface)を備えたこと
を特徴とする磁気記録再生装置の制御装置。4. The SC as the communication means according to claim 1.
A control device for a magnetic recording / reproducing apparatus, which is provided with SI (Small Computer System Interface).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4085293A JPH05289826A (en) | 1992-04-07 | 1992-04-07 | Controller for magnetic recording and reproducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4085293A JPH05289826A (en) | 1992-04-07 | 1992-04-07 | Controller for magnetic recording and reproducing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05289826A true JPH05289826A (en) | 1993-11-05 |
Family
ID=13854538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4085293A Pending JPH05289826A (en) | 1992-04-07 | 1992-04-07 | Controller for magnetic recording and reproducing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05289826A (en) |
-
1992
- 1992-04-07 JP JP4085293A patent/JPH05289826A/en active Pending
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