JPS6435569U - - Google Patents
Info
- Publication number
- JPS6435569U JPS6435569U JP12944387U JP12944387U JPS6435569U JP S6435569 U JPS6435569 U JP S6435569U JP 12944387 U JP12944387 U JP 12944387U JP 12944387 U JP12944387 U JP 12944387U JP S6435569 U JPS6435569 U JP S6435569U
- Authority
- JP
- Japan
- Prior art keywords
- clock signal
- rotation control
- disk
- control device
- recording medium
- 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
- 238000010586 diagram Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Rotational Drive Of Disk (AREA)
Description
第１図は本考案実施例の要部を示すブロツク図
、第２図はデイスクの平面図、第３図はビームと
トラツクの関係を示す説明図、第４図は光学系を
示す説明図である。
Ｂ１……記録用ビーム、Ｂ２……再生用ビーム
、２……プリグルーブ部、３……プログラム領域
、３２……再生処理回路、３３……サーボ回路。
Fig. 1 is a block diagram showing the main parts of the embodiment of the present invention, Fig. 2 is a plan view of the disk, Fig. 3 is an explanatory drawing showing the relationship between the beam and the track, and Fig. 4 is an explanatory drawing showing the optical system. be. B1 ...recording beam, B2 ...playback beam, 2...pregroove section, 3...program area, 32...playback processing circuit, 33...servo circuit.
Claims (1)
いるデイスク状記録媒体の回転制御装置において
、このデイスク状記録媒体の径方向に移送される
ピツクアツプが、先行する記録手段と、後続する
再生手段を備えていて、記録開始時には前記クロ
ツク信号を前記再生手段により再生してこのクロ
ツク信号と基準信号を比較して回転制御を行なう
ことを特徴とする回転制御装置。 In a rotation control device for a disk-shaped recording medium in which a clock signal is pre-recorded on a portion thereof, a pickup that is transported in the radial direction of the disk-shaped recording medium is provided with a preceding recording means and a following reproducing means, A rotation control device characterized in that, at the start of recording, the clock signal is reproduced by the reproduction means and the rotation control is performed by comparing the clock signal with a reference signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12944387U JPS6435569U (en) | 1987-08-26 | 1987-08-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12944387U JPS6435569U (en) | 1987-08-26 | 1987-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6435569U true JPS6435569U (en) | 1989-03-03 |
Family
ID=31383723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12944387U Pending JPS6435569U (en) | 1987-08-26 | 1987-08-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6435569U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5968829A (en) * | 1982-10-06 | 1984-04-18 | Seiko Instr & Electronics Ltd | Information recorder and reproducer |
| JPS59198563A (en) * | 1983-04-25 | 1984-11-10 | Fujitsu Ten Ltd | Motor rotating speed control system |
| JPS6220147A (en) * | 1985-07-19 | 1987-01-28 | Ricoh Co Ltd | Optical disk device |
-
1987
- 1987-08-26 JP JP12944387U patent/JPS6435569U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5968829A (en) * | 1982-10-06 | 1984-04-18 | Seiko Instr & Electronics Ltd | Information recorder and reproducer |
| JPS59198563A (en) * | 1983-04-25 | 1984-11-10 | Fujitsu Ten Ltd | Motor rotating speed control system |
| JPS6220147A (en) * | 1985-07-19 | 1987-01-28 | Ricoh Co Ltd | Optical disk device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5848073U (en) | disc playback device | |
| JPS6435569U (en) | ||
| JPH035218U (en) | ||
| JPS6213259Y2 (en) | ||
| JPS61167007U (en) | ||
| JPH0197459U (en) | ||
| JPH0255408U (en) | ||
| JPS6280257U (en) | ||
| JPS61163384U (en) | ||
| JPH03115959U (en) | ||
| JPS6179839U (en) | ||
| JPS63109368U (en) | ||
| JPS62147192U (en) | ||
| JPH0320083U (en) | ||
| JPH0260958U (en) | ||
| JPH046822U (en) | ||
| JPS63142056U (en) | ||
| JPS6222721U (en) | ||
| JPH0284175U (en) | ||
| JPH0230131U (en) | ||
| JPS6267386U (en) | ||
| JPH02113857U (en) | ||
| JPH0384983U (en) | ||
| JPS5852693U (en) | Disc player program selection device | |
| JPS61158616U (en) |