JPH01146383U - - Google Patents
Info
- Publication number
- JPH01146383U JPH01146383U JP4271488U JP4271488U JPH01146383U JP H01146383 U JPH01146383 U JP H01146383U JP 4271488 U JP4271488 U JP 4271488U JP 4271488 U JP4271488 U JP 4271488U JP H01146383 U JPH01146383 U JP H01146383U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disk
- index signal
- forming
- predetermined
- signal
- 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
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Description
第１図は本考案の一実施例のブロツク図、第２
図は第１図の装置により記録された磁気デイスク
上の信号の様子を示す図、第３図は従来装置によ
り記録された磁気デイスク上の信号の様子を示す
図である。
１……制御回路、２……インターフエイス回路
、３……ドライブ装置、４……モータ、５……駆
動力伝達部、６……磁気デイスク、７……最外周
信号発生回路、８……インデツクス信号発生回路
、９……リード／ライト回路、１０……磁気ヘツ
ド。
Fig. 1 is a block diagram of an embodiment of the present invention;
This figure shows the state of signals on a magnetic disk recorded by the apparatus of FIG. 1, and FIG. 3 shows the state of signals on a magnetic disk recorded by the conventional apparatus. DESCRIPTION OF SYMBOLS 1...Control circuit, 2...Interface circuit, 3...Drive device, 4...Motor, 5...Driving force transmission unit, 6...Magnetic disk, 7...Outermost circumference signal generation circuit, 8... Index signal generation circuit, 9...read/write circuit, 10...magnetic head.
Claims (1)
形成して信号を連続的に記録し、かつ記録された
信号を再生する磁気記録再生装置において、 該磁気デイスクの回転に同期したインデツクス
信号を発生するインデツクス信号発生手段と、 該インデツクス信号を参照して該磁気デイスク
の記録面上に所定の信号ブロツクを形成し、該信
号ブロツクと該磁気デイスクの回転角度とが所定
の関係を満たすよう該磁気デイスクをフオーマツ
テイングするフオーマツテイング制御手段と、 フオーマツテイングされた該磁気デイスクを回
転させ該インデツクス信号を参照して該信号ブロ
ツク中の所定の位置を識別する識別手段とを設け
てなる磁気記録再生装置。[Claims for Utility Model Registration] In a magnetic recording and reproducing device that continuously records signals by forming a spiral track on the recording surface of a magnetic disk and reproduces the recorded signals, an index signal generating means for generating an index signal synchronized with the index signal; and forming a predetermined signal block on the recording surface of the magnetic disk by referring to the index signal, and forming a predetermined signal block on the recording surface of the magnetic disk so that the rotation angle of the magnetic disk and the signal block are set to a predetermined rotation angle. a formatting control means for formatting the magnetic disk so as to satisfy the following relationship; and an identification device for rotating the formatted magnetic disk and identifying a predetermined position in the signal block by referring to the index signal. A magnetic recording/reproducing device comprising: means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4271488U JPH01146383U (en) | 1988-03-30 | 1988-03-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4271488U JPH01146383U (en) | 1988-03-30 | 1988-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01146383U true JPH01146383U (en) | 1989-10-09 |
Family
ID=31269121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4271488U Pending JPH01146383U (en) | 1988-03-30 | 1988-03-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01146383U (en) |
-
1988
- 1988-03-30 JP JP4271488U patent/JPH01146383U/ja active Pending
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