JPS62195262U - - Google Patents
Info
- Publication number
- JPS62195262U JPS62195262U JP8252286U JP8252286U JPS62195262U JP S62195262 U JPS62195262 U JP S62195262U JP 8252286 U JP8252286 U JP 8252286U JP 8252286 U JP8252286 U JP 8252286U JP S62195262 U JPS62195262 U JP S62195262U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- information
- elapsed time
- spindle motor
- writing
- 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
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Rotational Drive Of Disk (AREA)
Description
第1図は、本考案による装置の構成図、第2図
は、本考案による装置の動作を説明する図、第3
図は、モーターの速度制御信号の図、第4図は、
モーターの速度制御を行う周知の装置の図である
。
1……光デイスク、2……記録エリア、3……
光ピツクアツプ、4……トラツキング制御回路、
6……制御装置、7……モーター、8……D/A
変換器、9……VCO、11……位相比較器、2
1……グルーブ。
FIG. 1 is a block diagram of the device according to the present invention, FIG. 2 is a diagram explaining the operation of the device according to the present invention, and FIG.
The figure is a diagram of the speed control signal of the motor, and Figure 4 is:
1 is a diagram of a known device for speed control of a motor; FIG. 1... Optical disk, 2... Recording area, 3...
Optical pickup, 4...tracking control circuit,
6...Control device, 7...Motor, 8...D/A
Converter, 9...VCO, 11...Phase comparator, 2
1...Groove.
Claims (1)
いた記録時のCLV制御装置において、光ピツク
アツプの書き込み開始位置を検出する手段と、書
き込み開始からの経過時間を計測する手段と、書
き込み開始位置情報と経過時間情報からスピンド
ルモータの回転制御情報を演算する手段と、この
制御情報を基にスピンドルモータを制御する手段
とから成るデイスクの記録再生装置。 A CLV control device for recording using a writable disk with a pregroove includes a means for detecting a writing start position of an optical pickup, a means for measuring elapsed time from the start of writing, information on the write start position and elapsed time information. 1. A disk recording/reproducing device comprising means for calculating rotation control information of a spindle motor from a disk, and means for controlling the spindle motor based on this control information.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8252286U JPS62195262U (en) | 1986-06-02 | 1986-06-02 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8252286U JPS62195262U (en) | 1986-06-02 | 1986-06-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62195262U true JPS62195262U (en) | 1987-12-11 |
Family
ID=30935258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8252286U Pending JPS62195262U (en) | 1986-06-02 | 1986-06-02 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62195262U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5661064A (en) * | 1979-10-23 | 1981-05-26 | Matsushita Electric Ind Co Ltd | Recording device using disc shape recording medium |
-
1986
- 1986-06-02 JP JP8252286U patent/JPS62195262U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5661064A (en) * | 1979-10-23 | 1981-05-26 | Matsushita Electric Ind Co Ltd | Recording device using disc shape recording medium |
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